ball bearings-stainless steel ball bearings: October 2010

Tuesday, October 19, 2010

Rolling Machine Classification

Bending the field due to the use of different species will be different.
Large upper roller universal-type rolling machineLarge upper roller universal-type rolling machine Main features: superior products, unique precision bending technology, high-precision end pre-bending, straight after bending angle without bending machine dialogue process control digital control interface, and efficient operation of the physical bending process intelligence software, human-machine dialog window, automatic compensation of the bending process. Single operation, efficient and safe and convenient with a wealth of bending roll O-shape, U-type, multi-stage R and so many different shapes ...

Medium on the roller-type rolling machine universal
Universal-type rolling machine roll medium on the main features: superior products, unique precision bending process, high-precision end pre-bending, straight after bending angle without bending machine dialogue process control digital control interface, and efficient operation of the physical bending process intelligence software, human-machine dialog window, automatic compensation of the bending process. Single operation, efficient and safe and convenient with a wealth of bending roll O-shape, U-type, multi-stage R and so many different shapes ...
Small upper roller universal-type rolling machine
Small upper roller universal-type rolling machine Main features: superior products, unique precision bending process, high-precision end bending, straight after bending angle without bending machine dialogue process control digital control interface, and efficient operation of the physical bending process intelligence software, human-machine dialog window, automatic compensation of the bending process. Single operation, efficient and safe and convenient with a wealth of bending roll O-shape, U-type, multi-stage R and so many different shapes ...
Ships Three Roller Symmetrical Bending Machine-specificShips Three Roller Symmetrical Bending Machine Special Features: superior products, unique precision bending process, high-precision end pre-bending, straight after bending angle without bending machine dialogue process control digital control interface, and efficient operation of the physical bending of Intelligent Software Technology man-machine dialog window, automatic compensation of the bending process. A single person, efficient and safe and convenient with a wealth of bending roll O-shape, U-type, multi-stage R, such as different forms ...
CNC universal-type tanker spend Roller Bending MachineCNC universal-type tanker spend Roller Bending Machine Main features: superior products, unique precision bending process, high-precision end pre-bending, straight after bending angle without bending machine dialogue process control digital control interface, and efficient operation of the physical bending intelligence technology software, human-computer dialogue window, automatic compensation of the bending process. Single operation, efficient and safe and convenient with a wealth of bending roll O-shape, U-type, multi-stage R and so different ...
W11 Series Mechanical Three Roller Symmetrical Bending MachineW11 Series Mechanical Three Roller Symmetrical Bending Machine Features: This machine structure pattern three roller symmetrical type, the roller in two central symmetrical position under the roller moves vertically through the screw worm and silk mother, The two lower roller rotates through the gear reducer output gear meshing with the next roll, the roll sheet to provide torque. The machine disadvantage is that end plate bending requires the use of other devices. Main technical parameters ...
W11 Series Mechanical Three Roller Asymmetrical Bending Machine
W11 Series Mechanical Three Roller Asymmetrical Bending Machine Features: This machine structure pattern three roller asymmetrical, mainly on the roller transmission, the next roller moves vertically to clamp plate, and through the next roller and the roller gear gears meshing at the same time as the main drive; side roller for tilting down movement, with pre-bending and rolling a double feature. Compact structure, easy operation and maintenance. Technical parameters: Model specifications most Thickness mm coil volume ...
W11 Series Hydraulic Three Roller Symmetrical Bending Machine
W11 Series Hydraulic Three Roller Symmetrical Bending Machine Features: The machine on the roll can be vertically, vertical lifting of the hydraulic transmission, hydraulic oil through hydraulic cylinder piston rod and get the role; lower rollers rotates driven by the output gear reducer engagement, to provide torque coil, roll under the lower part of a roller, and can be adjusted. The roller is drum shape, enhance product straightness, suitable for long cross-section shapes of various specifications can ...

Related Keywords: Plate Rolling Machine Steel Rolling Machine Bending Rolls Machine

Bending Machine forging machinery techniques and technologies

Bending Machine Forging is used to put pressure on the metal billets to produce plastic deformation, to obtain a certain mechanical properties, a certain shape and size of the forging of the processing methods. Forging and stamping are both the nature of plastic processing, collectively forging. Forging is commonly used in forming machinery manufacturing methods. Eliminate the metal by forging cast loose, welding holes, the mechanical properties of forgings generally better than the same materials the castings. Machines with high load, severe working conditions, the important parts, in addition to the shape of the available simple rolled sheet, profiles or welded parts, the multiple use of forgings.
Bending Machine forging billets in the processing time according to the temperature can be divided into cold and hot forging. Cold forging process is generally at room temperature, forging a billet of metal above the recrystallization temperature of the process. Sometimes also in a heated state, but the temperature does not exceed the recrystallization temperature for the forging as warm forging. However, this division in production is not entirely uniform.

Recrystallization temperature is about 460 ℃, 800 ℃, but generally used as a demarcation line, higher than 800 ℃ is Hot; at between 300 ~ 800 ℃ as warm forging or semi-hot forging.
Bending Machine forging press forming method can be divided into free forging, die forging, cold forging, radial forging, extrusion, forming rolling, roll forging, rolling and so on. Billets produced by deformation under pressure from external constraints is called the basic freedom of forging, also known as open forging; other methods of deformation forging dies are subject to the restrictions, called the closed mode of forging. Forming rolling, roll forging, rolling and other forming tools and billets relative rotation between the movement of the billet-by-point, the asymptotic pressure, and forming, it is also known as rotary forging.
Bending Machine forging material is mainly of various components of Carbon and Alloy Steel, followed by aluminum, magnesium, copper, titanium and its alloys. Material to its original state with bar, ingot, metal powder and liquid metal.
Small forgings are generally round or square bar used as a blank. Bar grains and uniform mechanical properties, good, accurate shape and size, surface quality, easy to organize mass production. As long as the reasonable control of heating temperature and deformation conditions, no large forging forging can produce high quality forgings.
Ingot used only for large forgings. Ingot is cast, there is a large columnar grains and loose center. Therefore, a large plastic deformation must be broken to fine columnar crystal grain, the loose compaction, to get good metal structure and mechanical properties.
The repression and sintered powder metallurgy preform, in the hot state by forging without flash can be made of powder forging. Powder forging die forging close to normal density, good mechanical properties, and high precision machining can reduce the follow-up. Powder forging internal organization of the uniform, not segregation, can be used in the manufacture of small gears and other parts. However, the price of powder is much higher than normal bar prices, the production has limited application.
On pouring the liquid metal in the mold chamber to exert static pressure, so that solidification under pressure, crystallization, flow, plastic deformation and shape, you can obtain the required shape and properties of die forgings. Between liquid metal die casting and forging die forging is formed between the methods, especially suitable for forming the general complexity of forging difficult to thin pieces.
The forging of different methods in different processes, including hot forging process with the longest general order: Forging blanking; forging heating; roll forging equipment blank; die forging; trimming; intermediate test, test forging The size and surface defects; forging heat treatment, forging to eliminate stress, improve metal cutting; clean up, mainly to remove the surface oxide; correction; inspection, the general appearance and hardness of forging checks to go through, it is important to go through the chemical composition forging analysis, mechanical properties, residual stress and other testing and nondestructive testing.
Related Keywords: Plate Bending Machine Bending Rolls Machine Bend Machine Roll

Hydraulic Three Roller Symmetrical Bending Machine Features

Machine on the roll can be vertically, vertical lifting of the hydraulic transmission, hydraulic oil through the role of hydraulic cylinder piston rod and received; lower rollers rotates driven through the reducer output gear mesh, to provide torque coil, roll under the lower part roller, and can be adjusted. On the shape of drum roll and improve products, straightness, suitable for long cross-section shapes of various specifications can
The machine is up-style symmetrical 3-roller bending machine, metal sheet can be rolled round, curved and tapered parts within a certain range, the two models for the active roll under the roller, the roller follower roller. It is widely used in shipbuilding, boiler, air, water, electricity, chemicals, metal structures and machinery industries.
This machine is suitable for sheet metal bending, can be rolled round, curved and tapered parts within a certain range, and a pre-bent end plate function, this model under two levels of roll can be moved to take the initiative to roll , the roller follower roller can be moved up and down, moving methods are mechanical and hydraulic, transmission shaft with universal couplings are connected.
W11 Series Mechanical 3 Roller Symmetrical Bending Machine
W11 Series Mechanical 3 Roller Symmetrical Bending Machine Features: This machine structure pattern three roller symmetrical type, the roller in two central symmetrical position under the roller moves vertically through the screw worm and silk mother, The two lower roller rotates through the gear reducer output gear meshing with the next roll, the roll sheet to provide torque. The machine disadvantage is that end plate bending requires the use of other devices.
W11 Series Hydraulic 3 Roller Symmetrical Bending Machine Features: The machine on the roll can be vertically, vertical lifting of the hydraulic transmission, hydraulic oil through the role of hydraulic cylinder piston rod and received; lower rollers rotates driven by the output gear reducer engagement, to provide torque coil, roll under the lower part of a roller, and can be adjusted.
Related Keywords: 3-Roller Plate Bending Machine 3-Roller Rolling Machine Bending Machine

Hydraulic Shearing Machine (QC12Y Series)

HYDRAULIC SHEARING MACHINE

FEATURES:

-- Frame welded, vibration to eliminate stress, high in rigidlty, sturdy and durable.

-- Hydraulic drive, swing beam, return of knife beam is smooth and prompt by accumulator or nitrogen cylinder, stead & reliable perfoman.

-- The postion oflow blade can be adjusted to ensure the epuilibrium of the gap after regrinding.

-- The protable and prompt adjusted of the blades gap, the value of gap is indicated by dial, positioning reliable.

-- Setting the backgauge by motor, The displessly devices used to the backgauge value and the shearing times are on the front of the machine.

--The stroke of knife or cbeam can be adjusted steplessly. Conveniently and fast.

-- Preselection of single or continous strokes, Preselection of cutting number and cutting strokes.

-- Roller guide to ensure the quality of cutting sheet-metal.

-- Equipped with lighting-alignment, so as to align when shearing.

--Protection fence and the electric interlocker to ensure the operation safety.

For the detail specification, welcome to visit our website.

Specification	Shearing Thickness (mm)		Shearing Width (mm)			Shearing Angel (°)		Number of Stroke (Min)	Back gauge Range (mm)		Motor Power (KW)		Size (LxWxH)
QC12Y-4x2500		4		2500	1°30’		20			20-600		4		3110x1430x1450
QC12Y-4x3200		4		3200	1°30’		18			20-600		5.5		3840x1675x1620
QC12Y-4x4000		4		4000	1°30’		16			20-600		5.5		4640x1850x1700
QC12Y-4x5000		4		5000	1°30’		14			20-600		7.5		5655x1850x1850
QC12Y-6x2000		6		2000	1°30’		20			20-600		7.5		2580x1530x1600
QC12Y-6x2500		6		2500	1°30’		18			20-600		7.5		3130x1530x1600
QC12Y-6x3200		6		3200	1°30’		14			20-600		7.5		3840x1675x1620
QC12Y-6x4000		6		4000	1°30’		14			20-600		7.5		4630x1850x1620
QC12Y-6x5000		6		5000	1°30’		8			20-600		11		5690x2000x2100
QC12Y-6x6000		6		6000	1°30’		10			20-800		11		6715x2130x2710
QC12Y-8x2500		8		2500	1°30’		12			20-600		11		3148x1850x1760
QC12Y-8x3200		8		3200	1°30’		10			20-600		11		3848x1900x1760
QC12Y-8x4000		8		4000	1°30’		8			20-600		11		4648x2650x1760
QC12Y-8x6100		8		6100	1°30’		10			20-600		22		6900x1850x2405
QC12Y-10x2500		10		2500	1°30’		10			20-600		18.5		3200x1850x1760
QC12Y-10x3200		10		3200	1°30’		10			20-600		18.5		3900x1800x1760
QC12Y-12x2500		12		2500	1°30’		8			20-800		18.5		3225x1800x1940
QC12Y-12x3200		12		3200	1°30’		10			20-800		18.5		3925x1800x1940
QC12Y-12x4000		12		4000	1°30’		10			20-800		18.5		4725x2000x2040
QC12Y-12x5000		12		5000	1°30’		8			20-800		18.5		5750x2260x2240
QC12Y-16x2500		16		2500	2°		8			20-800		22		3350x2000x1890
QC12Y-16x3200		16		3200	2°		8			20-800		22		4050x2050x1890
QC12Y-16x4000		16		4000	2°		6			20-800		22		4850x2190x2250
QC12Y-20x2500		20		2500	2°30’		5			20-800		30		3325x2265x2200
QC12Y-20x3200		20		3200	2°30’		5			20-800		37		4025x2265x2350
QC12Y-25x2500		25		2500	3°		5			20-800		37		3365x2260x2430

Hydraulic Shearing Machine (Cutting Machine)

The performance of our metal sheet cutting machine(shearing machine):
1. The frame is steel-welded construction, vibrating to eliminate stress, with high strength and good rigidity.
2. Hydraulic driven and returning stroke is activated by the accumulator or nitrogen cylinder smoothly and promptly.
3. The sheet is moved easily through rolling ball equipped on worktable and protect the surface of sheet plate.
4. Closed loop control system is composed of NC controller and the encoder. It has the automatic function of inspection and compensation.

5. The back gauge driven by servo motor adopts rolling ball screw, rolling guiding way, so it's positioning precision could reach 0.10mm.
6. There is a display to count the number of cutting, the stroke of beam could be adjusted stepless.
7. The clearance of blades could be adjusted by hand wheel, the value adjusted is display on the indicating plate.
8. Full machine is guarded with safety guard with interlocker to prevent the operator from injured.

Model	Shear size	Shear Angle	Strodes	Backgauge Range	Main Motor	Weight	Overall Dimensions L×W×H
QC12Y-4×2000	4×2000	1 ° 30’	≥21	20-600	7.5	4,650	2540×1610×1650
QC12Y-4×2500	4×2500	1 ° 30’	≥18	20-600	7.5	5,500	3140×1610×1650
QC12Y-4×3200	4×3200	1 ° 30’	≥14	20-600	7.5	6,600	3840×1610×1650
QC12Y-4×4000	4×4000	1 ° 30’	≥10	20-600	7.5	7,550	4680×1705×1700
QC12Y-4×5000	4×5000	1 ° 30’	≥10	20-600	7.5	16,000	5786×2200×2160
QC12Y-6×2000	6×2000	1 ° 30’	≥22	20-600	7.5	5,100	2540×1960×1650
QC12Y-6×2500	6×2500	1 ° 30’	≥18	20-600	7.5	5,500	3140×1610×1650
QC12Y-6×3200	6×3200	1 ° 30’	≥14	20-600	7.5	6,600	3840×1610×1650
QC12Y-6×4000	6×4000	1 ° 30’	≥10	20-600	11	8,500	4640×1705×1700
QC12Y-6×5000	6×5000	1 ° 30’	≥10	20-750	11	19,700	5786×2200×2160
QC12Y-6×6000	6×6000	1 ° 30’	≥7	20-800	15	25,000	6900×2570×2280
QC12Y-8×2500	8×2500	1 ° 30’	≥14	20-600	11	5,500	3140×1610×1650
QC12Y-8×3200	4×2000	1 ° 30’	≥12	20-600	11	6,600	3840×1610×1650
QC12Y-8×4000	8×4000	1 ° 30’	≥8	20-600	11	8,500	4680×1705×1700
QC12Y-8×5000	8×5000	1 ° 30’	≥7	20-750	15	21,000	5786×2252×2310
QC12Y-8×6000	8×6000	1 ° 30’	≥5	20-750	15	28,000	6900×2570×2280
QC12Y-10×2500	10×2500	2 °	≥10	20-600	15	7,500	3350×1750×1950
QC12Y-10×3200	10×3200	1 ° 48’	≥10	20-600	15	9,500	3975×1750×1950
QC12Y-10×4000	10×4000	2 °	≥12	20-800	18.5	15,000	4800×2280×2100
QC12Y-12×2500	12×2500	2 °	≥11	20-600	15	7,500	3350×1750×1950
QC12Y-12×3200	12×3200	1 ° 30’	≥10	20-800	18.5	12,500	4020×2050×2230
QC12Y-12×4000	12×4000	2 °	≥7	20-800	18.5	18,000	4820×2300×2300
QC12Y-16×2500	16×2500	2 °	≥8	20-800	18.5	15,000	3400×2060×2350
QC12Y-16×3200	16×3200	2 °	≥7	20-800	18.5	16,300	4062×2300×2350
QC12Y-16×4000	16×4000	2 °	≥5.7	25-800	30	20,000	4850×2300×2300
QC12Y-20×2500	20×2500	2 ° 30’	≥6	20-800	37	14,000	3440×2088×2570
QC12Y-20×3200	20×3200	2 ° 30’	≥5	35-800	37	20,000	4150×2310×2730
QC12Y-20×4000	20×4000	2 ° 30’	≥5	30-1000	37	25,000	4920×2400×2770
QC12Y-20×5000	20×5000	2 ° 30’	≥4	20-800	37	30,000	5900×3000×3300
QC12Y-25×2500	25×2500	3 °	≥5	40-800	37	16,500	3450×2300×2730
QC12Y-25×3200	25×3200	3 °	≥4	40-1000	37	26,000	4100×2400×2770
QC11K-8×60000		0.5 ° —2 °	≥7	20-750	22	25,500	6700×2270×2620
QC11K-12×60000		0.5 ° —2 °	≥6	20-1000	30	29,000	6750×2405×2850
QC11K-16×60000		0.5 ° —2.5 °	≥6	20-1000	37	36,000	6800×2555×3000

CNC Hydraulic Swing Shearing Machine (QC12K)

Features:
1) The machine employs hydraulically-driven swing beam, steel plate. weldedstructure, and accumulator-based pullback cylinder with steady and reliableoperation.
2) Indicator-based adjustment of gap of blade is convenient and fast.
3)The machine is equipped with lighting alignment device, and uses stepless control for the stroke of up tool carrier.
4) The machine uses protection fence forsafe operation.
5) Digital display device for size of back gauge and shearing timesavailable.

\’s name of the specification	Can cut thick mm of board	Can cut wide mm of board	Shear the angle	Number of times of the journey 1 / mm	And then gear material range mm	Power kw of the motor	Net weight kg	External dimension mm
4*2000	4	2000	1° 30 ’		600	4	3500	255014301560
4*2500	4	2500	1° 30 ’		600	4	4000	310014301560
4*3200	4	3200	1° 30 ’		600	5.5	5300	384016801670
6*2500	6	2500	1° 30 ’	18	20-600	7.5	6000	304016161620
6*3200	6	3200	1° 30 ’	14	20-600	7.5	7.200	384016101620
6*4000	6	4000	1° 30 ’	10	20-600	7.5	10000	464017051700
8*2500	8	2500	1° 30 ’	14	20-600	11	6.500	324016101620
8*3200	8	3200	1° 30 ’	10	20-600	11	7.800	401016101620
8*4000	8	4000	1° 30 ’	8	20-600	11	11000	468017051700
10*2500	10	2500	1° 48 ’	12	20-600	15	8000	335020501950
10*3200	10	3200	1° 48 ’	10	20-600	15	1000	405020501950
12*2500	12	2500	1° 30 ’	12	10-800	18.5	11000	332020502230
12*3200	12	3200	1° 30 ’	10	10-800	18.5	12500	402020502230
12*4000	12	4000	2°	8	10-800	22	16000	485024002200
16*2500	16	2500	2° 30 ’	8	10-800	18.5	15000	485024002200
16*3200	16	3200	2° 30 ’	7	10-800	22	18000	410020602010
16*4000	16	4000	2°	6	10-800	30	23000	490024002250
20*2500	20	2500	2°	6	10-800	37	16000	344020882570
20*3200	20	3200	2°	5	10-800	37	25000	410023502710
20*4000	20	4000	2° 30 ’

Guillotine Shearing Machine

QC12Y-8× 3200
Hydraulic swing shearing machine
Performance and price
1. Working setting:
Power: 380V (AC)± 10% 50HZ± 1HZ 3PH
Temperature: -10 - 45
Humidity ≤ 95%
Working condition: Can work 24 hours continuously

3. Main performance:
3-1. Steel-welded construction, vibration to eliminate stress with high strength and good rigidity
3-2. Adopted ATOS valves from Italy.
3-3. Fitted with manual operation, semi-automatically operation, full-automatically operation three working mode.
3-4. Blade clearance adjusted by number marked plate, quickly, accurate, convenient
3-5. The edge of upper knife carrier is forming into a curved surface to ensure the clearance identity between upper and lower blades during the shearing process.
3-6. The upper carrier derived by right and left oil cylinders and with the support of fulcrum eccentric sleeve to fulfill shearing function.
3-7. It has also equipped with light to overlapping the draw line on the plate.
3-8. Main electrical parts adopted SCHNEIDER
3-9. Hydraulic system oil sealing import from Japan NOK
4. Sell service:
4-1. The suppliers offer operation manual and quality certification
4-2. The suppliers offer one set of wear Annex and one set of installation and maintenance tools.
4-3. Guarantee: One year as from the date of installation and acceptance.
5. Payment:
This machines is special machine. The buyer should pay 35% of total payment advanced then the supply confirm the contract and start produce.

6, delivery time 30 days.

2. Main technical data:

Name	Data	Unit	Remarks
Max cutting thickness	8	mm
Max cutting width	3200	mm
Intensity of the sheared material	500	N/mm2
Shearing angle	1° 30
Max stroke of backgauge	20-600
Times of stroke	14	Per/min
Distance between vertical columns	3590	mm
The length of blade	3300	mm
Height of the work bench	800	mm
Thickness of bench support plate	40	mm

Main motor	Model	Y132M-4	China
	Power	7.5	KW
	Speed	1450	rpm
Backgauge motor	Model	Y802-6	B5
	Power	0.55	KW
	Speed	900	rpm
Axial piston Pump	Model	25MCY14-1B	China
	Power	25	L/min
	Pressure	31.5	MPa
Dimensions	Length	3850	mm
	Width	1700
	Height	1800
Weight	7500	KG

Q11-A Shearing Machine

Functions and Characteristics
It can be sensitively operated and easily maintained with reasonable design and compact construction.
With welded frame, stable performance, big cutting force, low noise and beautiful appearance.
The hold-down pressure is very big but the surface of sheet-plate will not be damaged with butterfly spring hold-down device and non-metal unwearable hold-down washer.
Multi protection circuit can ensure the long service life of all electric elements. SIEMENS brand main electric elements and control switch voltage 24V can ensure the good safety performance.
Q11-A series guillotine shear is widely used in motor, electrical, automobile industries and all shops of other industries where sheet metal cutting is required. It is replacing Q11-3mm guillotine shear.

Hydraulic Shearing Machine (QC12Y-12X3200)

QC12Y Series Hydraulic Swing Beam Shear(Hydraulic shearing machine, cutting machine)

MAIN FEATURES:
1. The frame adopts whole steel welded construction, which the internal stress is eliminated by vibration and heat treatment process.
2. It is adopted hydraulic driving, hold-down force will change according to the shearing force.
3. The machine is equipped with a power-driven back-gauge and manual fine-adjustment device, the numeral value can be displayed by a counter on operation panel.
4. The fast-adjusting mechanism for blade clearance.
5. The shadow light device convenient for lineation cutting operation.
6. Steel ball working table.
7. Safety guards which meet the safety norms.

NOTE:
1)You special requirement can be meet;
2)No notice if any change of the below data.

Model	Cutting Size (Mild steel) (T*W) (mm)	Cutting Angle	Stroke Number (time/min)	Adjustment Range of Back-gauge(mm)	Depth of the throat (mm)	Main Motor Power (KW)	Dimension LWH (mm)	Gross Weight (KG)
QC12Y-4*2000	4*2000	1 º 30 ´	16	20-600	140	5.5	259015201450	3500
QC12Y-4*2500	4*2500	1 º 30 ´	16	20-600	140	5.5	314015201450	4500
QC12Y-6*2000	6*2000	1 º 30 ´	16	20-600	140	7.5	264016101620	4800
QC12Y-6*2500	6*2500	1 º 30 ´	14	20-600	140	7.5	314016101620	5500
QC12Y-6*3200	6*3200	1 º 30 ´	12	20-600	140	7.5	401016101620	6200
QC12Y-6*4000	6*4000	1 º 30 ´	9	20-600	140	7.5	464017051700	8500
QC12Y-8*2500	8*2500	1 º 30 ´	14	20-600	140	11	315016501650	6200
QC12Y-8*3200	8*3200	1 º 30 ´	10	20-600	140	11	402016501650	7000
QC12Y-8*4000	8*4000	1 º 30 ´	8	20-600	140	11	465017051750	9000
QC12Y-10*2500	10*2500	1 º 48 ´	10	20-600	140	15	335020501790	7500
QC12Y-10*3200	10*3200	1 º 48 ´	9	20-600	140	15	402021001790	8500
QC12Y-10*4000	10*4000	1 º 48 ´	7	20-600	80	15	492022002050	11500
QC12Y-12*2500	12*2500	1 º 48 ´	10	20-750	140	18.5	335021001800	8500
QC12Y-12*3200	12*3200	1 º 48 ´	9	20-750	140	18.5	405021001800	9500
QC12Y-12*4000	12*4000	1 º 48 ´	7	20-750	80	18.5	495022502050	12500
QC12Y-16*2500	16*2500	2 º	6	20-750	170	30	330022502150	12000
QC12Y-16*3200	16*3200	2 º	6	20-750	170	30	405022702100	14000
QC12Y-16*4000	16*4000	2 º	5	20-750	170	30	480022702100	16000
QC12Y-20*2500	20*2500	2 º	6	20-750	170	37	340023002250	15000
QC12Y-20*3200	20*3200	2 º 30´	5	20-750	170	37	410023002250	17500
QC12Y-20*4000	20*4000	2 º 30 ´	4	20-750	170	37	484031902450	22000

QYI metal hard seal ball valve

QYI integrated forged valve adopts a one-piece body structure without leakage points in the middle. With its advanced forging process, its packing design is more reasonable, thus ensuring its zero leakage. This valve series is especially applicable for harsh working conditions, like high temperature, high pressure and severe erosion, in the power industry. Its unique structural design and hardening treatment technology of sealing surface ensure its safety, reliability and long life.
Pressure class: Class150-4,500
Diameter range:
Socket welding: DN15-65(1/2-2 1/2)
Butt weld: DN15-100(1/2-4)
Socket welding: 1/2-2 1/2(15~65mm)
Butt weld: 1/2-4 (15~ 100mm)
Class: 900-4500

Technical characteristics of KENENG QYI: ● Integrated forged one-piece body
● Design of reinforced packing ring assembly
● Secondary blowout-proof design of stem
● Sealing surface adopting HVOF technology for spraying coating of ultra-hard metal ceramic
● One-to-one matching and grinding between seat and ball
● Firm mounting bracket
● Design of dynamic load packing set
● Design of resistance to expansion and seizure at super-high temperature
● Zero leakage
Application scope in power plants: Exhaust valve of steam trap
Cut-off valve of feed-water heater
Steam trap of feed-water reheater
Recycling by-pass valve of condensation pump
Recycling by-pass valve of boiler feed-water pump
Cut-off valve of boiler feed-water pump
Continuous blowdown valve
Main steam globe valve
Electronic safe relief valve
Electromagnetic relief valve/cut-off valve
Regulating switch valve of hydrogen system
Boiler steam trap

Valve body material:

Metal Hard Seal Ball Valve

Overview:
The metal hard seal ball valve series has been updated continually in its hard surface improvement and structure optimal design in accordance with different working conditions of users since it was developed and put into production. At present the available seal hard surface types include: nickel-based, cobalt-based, metal ceramic coating (WC, Cr3C2, etc.) and the modification treatment of sealing surfaces. With a patent structural design developed independently, it’s especially applicable for harsh working conditions in such industries as power, coal chemical industry and poly-silicon.
Main performance:
Resistance to abrasion and erosion --- hardness;
Hardened layer, avoiding shedding and cracking --- bonding strength and stress control;
Low sealing rate and leak rate --- machining precision;
Reliable use ---reasonable design of process and structure.

Characteristics:
●Multiple options for hard surface treatment
●Targeted structural design
●Protection function of elastic valve seat
●Design of special medium scraping and sweeping
●Design of dynamic load packing set
●Design of reinforced packing ring assembly
●Split seat design with patented technology, easy for maintenance and replacing
●Ultra-precision machining of closing member
●Hole sealing technology of coating
●Stress treatment technology of hard surface coating
●One-to-one valve design with simulated working conditions

Advanced coating treatment technology
　　　　　　-High-Velocity Oxygen Fuel (HVOF)
The hard surface treatment adopts the spray coating system of the world-famous SUCZER METCO, namely the high-velocity oxygen fuel (HVOF) in aerospace technology with the world patent: the spraying gun, designed with patented technologies, sprays the metal powder onto the metal surface with high-velocity air at 3 machs to form a high-strength coating. The hardness of the surface’s hardened layer is different subject to the sprayed material and the Rockwell hardness can exceed HRC70, thus playing a big role in preventing the granular medium from washing the sealing surface.

Leakage class
Zero leakage when less than or equal to DN100; conforming to API598 or ASME b16.104 when more than DN100
Related Keywords: Metal Hard Seal Ball Valve Forged Steel Ball Valve Cast Steel Ball Valves

Cast steel ball valve

Class 150~1500 Forged Steel Trunnion Ball Valve

1-PC Wafer Type Ball Valve

Wafer Ball Valve

Wafer Ball Valve
Name: 1-PC Wafer Type Ball Valve
Product Explanation :
1PC WAFER BALL VALVE
One piece wafer ball valves are suitable for use on pipelines of medium or low pressure to turn off or switch on pipeline medium. Operation manners are in general of manual, and pneumatic or electric actuators are available.
Applicable Standards
Working Pressure:PN16/40
Temperature Range:-20-350℃
Suitable medium:Water,Oil,Gas,and some corrosive liquid
Design:GB/T12237/1989
End Flange:JB79
Fire Safe:API 607 th 1993
Inspection & Testing:GB/T13927-1992

2PC High Platform Thread Ball Valve

2PC High Platform Thread Ball Valve
Product Explanation :

Product name:2pc thread ball valve
ISO5211 Direct mounting pad
Full silicasol technology
Detailed Product Description
1)Size:1/4"-4"
2)Max pressure:Class 400,PN64,1000WOG
3)Temperature Range:-20℃~300℃
4)Suitable medium:Water,Oil,Gas,and Some corrosive liquid
5)Thread type:G.NPT.BSPT.BSP DIN259/2999
Main Materials
1)Material: WCB, , CF8, CF3, CF8M, CF3M,
2)Ball and Stem: SS304, SS316,SS304L,SS316L,SS410,SS416.etc.
3)Valve Seat: PTFE / RPTFE / PPL,etc
The specifications can be designed and satisfied for customers' special requirements
Related Keywords: Ball Check Valve Pvc Ball Valves High Pressure Ball Valves Wafer Ball Valves

Trunnion Mounted Flanged Ball Valve

Trunnion Mounted Flanged Ball Valve
Name: Cast Steel Trunnion Mounted Ball Valve
Product Explanation :
Product Category:Ball Valve
Detailed Product Description:
CLASS 150~1500 CAST STEEL TRUNNION MOUNTED BALL VALVE
Bolted cover,Two-piece or three-piece Body,fixed Ball
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Dual seat with injection and drain & outlet
ASTM A216 WCB,A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M

Standards compliance
Design and Manufacture: API 6D
Face to face(end to end): API 6D
Flanged connection:2"~24" to ANSI B16.5
Fire-safe: API 607,API 6FA
Butt welded end: ANSI B16.25
Test and inspection: API 6D
Product Category:Ball Valve
Detailed Product Description:
CLASS 150~1500 CAST STEEL TRUNNION BALL VALVE
Bolted cover,Two-piece or three-piece Body,fixed Ball
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Dual seat with injection and drain & outlet
ASTM A216 WCB,A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M
Standards compliance
Design and Manufacture: API 6D
Face to face(end to end): API 6D
Flanged connection:2"~24" to ANSI B16.5
Fire-safe: API 607,API 6FA
Butt welded end: ANSI B16.25
Test and inspection: API 6D
CLASS 150~1500 CAST STEEL FIXED BALL BALVE

Related Keywords: Flanged Ball Valve Cast Steel Ball Valve Trunnion Ball Valve Fixed Ball Valve

Trunnion Mounted Ball Valves

Ball of trunnion ball valve is fixed, it does not move with medium pressure. Trunnion ball valve has floating seats. The seats move with the medium pressure to tight the ball and seal ring to ensure sealing reliability. Bearings could be mounted in top shaft and bottom shaft, which reduces operation torque. This is widely used in valves with high pressure and big sizes. To decrease the operation torque and increase sealing reliability, lubricated ball valves are adopted in recent years. A special sealant is injected between sealing faces of lubricated ball valve to create a layer. This increase the sealing reliability while decreasing the operation torque, which is better for high pressure, big sized ball valve.
WINDMILL trunnion mounted ball valve series featuring with 2-PC or 3-PC split body, trunnion mounted ball, It is ideal for frequent on-off flow control in big size and high pressure pipeline. WINDMILL trunnion mounted ball valve are fire safe test.

Design Features

·Urgent grease injection device
·Full port or Reduce port
·Fire safe design and certified
·Double block & bleed
·Emergency sealant injection
·Cacity pressure self relief
·Blowout-proof stem
·Anti-static
·Optional double piston design
Sealant Injection DeviceTrunnion ball valves are provided with devices for Sealant injection, which are on both the stem and seat for the trunnion ball valves of DN>150mm (NPS6), and in the body cavity for the valve of DN<125mm. When the O ring of stem or the body seat ring is damaged due to accident, the medium leakage between body and stem can be prevented by injecting the Sealant through the device.
Double Block and Double Bleed (DBDB or DBB)
Trunnion ball valve features the front ball sealing design structure. Each seat of the ball valve can separately cut off the medium at both upstream and downstream to achieve double block function. When the ball valve is closed, body cavity is segregated from both upstream and downstream even there is pressure at both ends. The medium left in the body cavity could increase the pressure to propel the seats. The medium could be bled out through the relief valve to ensure valve safety.
Anti-static Design Except for the anti-static features floating ball valve has, the trunnion ball valve has more. The ball of the trunnion ball valve gets close contact with each other through the trunnion, adjusting cushion, and down-end cap, the passage of static electricity thus forms together with the valve, which may lead the static electricity caused by sparks generated by friction between the ball and seat during on and off performance to the ground to prevent the possible risk of fire or explosion.
Fire Safe DesignWith the valve heated in a fire application, the nonmetal material parts such as seat sealing ring of PTFE,O ring for the stem, and sealing gasket for body and bonnet, might be damaged due to high temperature. special design of auxiliary metal to metal or the graphite seal is designed for the trunnion ball valve to effectively prevent both internal and external leakage of the valve in case of fire As required by customers, FBV's fire safe design for the trunnion ball valve meets the requirement of API 607, API 6Fa and BS 6755.

Products Range:

Size: 2"~24"
Rating: ANSI Class 150LB-1500LB
Materials: WCB, LCB,LCC,CF8,CF8M,CF3,CF3Mor Equivalent.
Actuation: Lever, Gear, Motor, Pneumatic operator
Related Keywords: Trunnion Ball Valves Brass Ball Valves Stainless Steel Ball Valve Steel Ball Valves

WCB 2PC Flanged Ball Valve

Name: WCB 2PC Flanged Ball Valve
Detailed Product Description:

CLASS 150~300 FLOATING BALL VALVE
Two-piece Body,Floating Ball,Buint-in ISO5211 direct mounting pad
Full silicasol technology
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Anti-static devices for ball-stem body
Double stem sealing to comply with TA-LUFT requirements
Pre-Load 2 belleville washer to self-adjust packing
Carton Steel Material
WCB
Stainless steel
CF8(304) CF3(304L) CF8M(316) CF3M(316L)
Standards compliance
Design and Manufacture: API 608,ASME B16.34
Face to face(end to end): ASME B16.10
Flanged connection:ASME B16.5
Fire-safe: API 607,4th 1993
Test and inspection: API 598,API 6D

Full welded ball valve

1.Bow-out proof stem

For the purpose of preventing the stem from flying off resulting in abnormal rising of the inner pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the contact position of the shoulder at lower part of the stem and valve body.Thus an inverse seal seat is formed which will prevent leakage and avoid accident.

2.Anti-fire safe design

When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.

3.Anti-static device

In order to prevent friction among ball,stem and PTFE that generates static electricity which may light the combustibles and explosives that cause an accident,in this ball valve,static-conduction spring is set between the stem and the ball,the stem and the body.Thus static electricity is conducted to ground and system safety is secured.

4.Free leakage of body Sealed construction

The connective position of valve body and bonnet is double sealed by gasket and O-ring,on this base,such factors as fire,high temperature,shock and uneven opening or closing of the torque all can't induce external leakage.

5.Low torque in operation

The self-lubricated bearings are installed at the friction of stem,resulting in wear resistance,fiexibility of operation and low torque.

6. Double block&bleed(DBB)

When ball is full open or close position,the transmitter substance in center cavity of body can be released by drainage and emptying devices.In addition,the over loaded pressure in the center cavity of valve can be released to low pressure end by self relief seat.

7.Emergency sealing

Compound injection holes are designed and compound injection valves are installed at locations of stem/cap and body support of side valve.When sealing of stem or seat is damaged to induce leakage,the compound can be used to do the second time sealing.A concealed check valve is installed in side of each compound injection valve to prevent compound from out flowing due to the action of transmitter substance.The top of the compound injection valve is the connector for fast connection with compound injection gun.

8.Extension stem

For the underground installed valve,the stem can be lengthened and for the convenience of operation the corresponding compound injection nozzle and drainage valve can be extended to the top of valve.

9.Automatic body cavity relief

When the body pressure going up un-normally as the unstable factor,the trunnion ball valve downstream seat will be pushed by un-normally pressure,and the release the unnormal pressure automatically,it doesn't damage to the sealing of upstream seat.

10.Various driving types

The top pad of valve designed according to ISO 5211,which is convenient for connection and exchange of various drivers.The common driving types are manual,electrical,pneumatic and pneumatic/hydraulic

Top entry ball valve

TOP ENTRY BALL VALVE is mainly used in pipeline and industry system and it has a top entry and on line maintenance function.It has a lot of advantages,such as small fluid resistance,simple structure,small volume,light weight,reliable saaling,convenience for operation and maintenance,open and close quickly,as well as start and close flexibly.

One piece body

One piece body is used for the body to guarantee sufficient strength and rigidity under maximum rated operating pressure.The internal parts of valve are carefully designed and selected to ensure reliability under all kinds of operating condition.Enough margin wall thckness and adaptation of high strength connective bolts are convenient for valve maitenance and sufficiency to support the stress from piping.

Top entry

Its most difference from common ball valve is that its maintenance can be made on pipe line and without dismounting from the pipe line.The back space seat structure is adopted for the seat and the rear portion of seat retainer is oblique angle to prevent accumulation of impurity from affecting back space of seat.

Low operation torque

WINDMILL top entry series ball valve has a trunnion mounted ball,whose surface is ground,polished and hard face treated.The ball and stem is integrated,sliding bearing is installed on the external bore so that the friction radius is small and operation torque is very low.

Emergency sealing

Reliable sealing

The seat sealing is formed by seat sealing and metal retainer component.The seat retainer floats axially and low pressure sealing of valve seat is reached by pre-pressure of spring.In addition,the piston effect of valve seat is designed reasonably,which realized high pressure sealing by the pressure of operating medium and realize the interception of retainer to form the sealing of the body.The expansion graphite ring is designed to realize sealing under fire condition.

Double block&bleed(DBB)

Anti-static and fire safe design

The fire prevention design of valve meets the requirement in API6FA/API607 standard and the design of the anti-static conforms to regulations in API6D and BS5351.

Extension stem

For the underground installed valve,the stem can be lengthened and for the convenience of operation the corresponding compound injection nozzle and drainage valve can be extended to the top of valve.

Various driving types

The top pad of valve designed according to ISO 5211,which is convenient for connection and exchange of various drivers.The common driving types are manual,electrical,pneumatic and pneumatic/hydraulic.

Related Keywords: Brass Ball Valves Forged Steel Ball Valve Stainless Steel Ball Valves

Pneumatic Single Control Valve

ZJHP type pneumatic single seat adjusting valve composed of multi-springs film actuator and low flux single valve. New actuator have low height, low weight, easy installance and checking. The new impact body structure have free path and large flow modulus.
This product operates steadly, action characteristic is reliablely, with exiguity seat leakage, precise flow characteristic, and wide adjusting range, etc. We believe that by right of special strongpoint, this product will achieve high quality controling effect in wide area.

Body: ZG230-450 ZG1Cr18Ni9Ti ZG0Cr17Ni12Mo2
Ball: 1Cr18Ni9Ti
Seat: 1Cr18Ni9Ti
Diaphragm: Nitrile rubber
DN: 20~1000MM
Rated journey: 16 25 40 60
Actuator: ZH AB-22 ZH AB-23 ZH AB-34 ZH AB-45
Diaphragm effective area(cm20: 350 560 900
NP: 0.6 1.6 4.0 6.4
Working temp: -20~200 -40~250 -60~450
Surrounding temp: -40-85
Gas supply pressure: 0.14 0.25 0.4
Spring scope: 20~100 40~200 80~240 20~60 60~100
Gas take-over size: Internal thread: M10*1
Input signal: Air: 0.02~0.1Mpa elecric: 0-10, 4~20mA (with positioner)
Intrinsic error: 5% with positioner, 5% without positioner
Return Difference: 3% without positioner 1% (with positioner)
Dead Zone: 1% without positioner 0.8% (with positioner)
Leakage: GB/4213/T IV
Related Keywords: Control Valve Flow Control Valve Flow Control Solenoid Valves

Construction of rolling bearings

Rolling bearings are developed based on the bearing, its working principle is based on rolling friction instead of sliding friction, generally by two rings, a set of rolling elements and cage consisting of a highly generic, standardized, serialized high degree of machine parts. A variety of machinery have different working conditions, on the load bearing capacity, structure and performance, etc. have put forward different requirements. To this end, bearing the need for a wide range of structures. However, the basic structure is the inner ring, outer ring, rolling elements and cage components - often referred to as the four pieces. For sealed bearings, together with lubricants and seals (or dust cover) - also known as the six pieces. Type the name of a variety of bearing rolling elements are mostly based on the name of the corresponding named.

Various parts in the bearing role are: For radial bearings, inner ring is usually a tight fit with the shaft and running along with the shaft, usually bearing outer ring or mechanical transition fit into the shell hole, play supporting role. However, in some situations, there are outer operation, the inner fixed play supporting role or inner and outer rings are also functioning. For thrust bearings, and shaft tight and together with the movement of said shaft washer, and bearing or mechanical shell holes into the transition and play supporting role with the said seat. Rolling body (ball, roller or needle) with the bearing cage is usually arranged evenly between the two rings as a rolling motion, its shape, size and number of direct impact on the load bearing capacity and performance. In addition to be able to roll cage separated evenly outside the body, but also from the guide rollers bearing internal rotation and improve the lubricity and so on.

Comparative advantages and disadvantages of rolling bearings and plain bearings
Compared with sliding bearings, rolling bearings and sliding bearings compared to the advantages, disadvantages of a rolling bearing, the general conditions, the efficiency and fluid dynamic bearings lubricated bearings are equivalent, but higher than the number of mixed-lubricated bearings;
1, less able to withstand impact loading;
2, the radial clearance is relatively small, angular contact bearings can be used to preload cardiac preload can be used to eliminate clearance, operation and high precision; 2, high-speed heavy load bearing lower life; 3, for the same size shaft, Rolling bearing smaller than the width, the axial machine can compact; can simplify the structure of bearing supports; 3, vibration and noise is relatively large; 4, most of the rolling bearing can be subject to both radial and axial load, so the bearing combination of simple structure; 4, the radial size than the sliding bearing; 5, the rolling high transmission efficiency, less heat, less lubricant consumption, easy to seal, easy to maintain; 6, no useful in non-ferrous metals; 7, the high degree of standardization, mass production, low cost; suitable for mass production and supply, use and maintenance is very convenient.
Cage Cage
W: Steel Crown Type J: Plate wave RJ: plate type with stainless steel rivets forming a stamping, press the wheel design, in the case of low-speed rotation and low torque of the good available to play. Ball pocket part of the design according to the shape of balls, side by the cover side and claws of two parts. Spin the ball in the general direction of friction torque is small. Larger bearings in high load operation, the waveform of the two parts of the rivets, to keep the intensity of vibration and acceleration, the ball-oriented smaller friction torque. TW: Nylon Crown Type V: full-ball type rotary molded nylon retainer little change in torque is high temperature of the ball orientation. Have joined the 66 nylon and glass fibers of high strength materials. Temperature (-30 ~ +120 ℃). Not maintain, because the inside and outside round opened a rectangular slot of the axial not small. Loaded design allows the maximum number of balls for heavy-duty low-speed operation.
Shield ring
ZZ: stamping steel plate dust cover ZZS: ring-type steel dust cover
TTS: ring-type Teflon ring to the metal stamping on the steel reinforcement in the outer structure. Less oil leakage, external intrusion rarely refuse. The stamping of metal plates fixed to the outer ring with a spring on the structure. Minimal intrusion of garbage outside. Mainly used in small, thin type bearings. Rotation, sound, temperature rise less. The addition of glass fibers with a Teflon ring fixed to the outer ring on the structure. Minimal intrusion of garbage outside. Mainly used in small, thin type bearings. Ring to the corresponding changes in internal pressure. Operating temperature range (-100 ~ +260 ℃).
2RS: contact rubber seals
2RU: Non-contact rubber seals the outer rubber ring embedded in the structure. Light contact with the wheel seals to prevent intrusion of outside trash. The main material is a ring NBR, temperature range (-40 ~ +120 ℃). The outer rubber ring embedded in the structure. No contact with the wheel seals to prevent intrusion of outside trash. Rotation, sound, temperature rise less. The main material is a ring NBR, temperature range (-40 ~ +120 ℃).
Related Keywords: Linear Bushing Linear Roller Bearing Linear Ball Bearing

Rolling ring forming

Although many types of bearings, their structure type, tolerance level, material selection and processing methods differ, but the basic manufacturing process contains the following:
     Bearing parts manufacturer - bearing parts inspection - bearing parts demagnetization, cleaning, rust - bearing assembly - Bearing Final inspection - bearing product demagnetization, cleaning - grease the bearings packed fighting finished product storage.
Rolling ring is an important part, due to a wide variety of rolling bearings, bearing rings made of different types of size, structure, manufactured using the equipment, technology and methods vary. Also, because the ring machining process more complex process, requiring high precision, therefore, the quality of the bearing ring machining accuracy, service life and performance have a significant impact.
Rings of raw materials for the manufacture or possession of cylindrical bar stock material, now under different molding process, bearing rings generally have the following manufacturing process.
1) (bar), the material - forged - annealed (or normalized - Turning (Cold Rolling Forming) - heat quenching and tempering - grinding - Part Inspection - demagnetization, cleaning - Submit assembly
2) (bar, tube feeding), the material - cold rolling forming - heat quenching and tempering - grinding - Part Inspection - demagnetization, cleaning - submit assembly
3) (tube material), the material - turning molding - heat quenching and tempering - grinding - Part Inspection - demagnetization, cleaning - Submit assembly
4) (bar), the material - cold (warm) extrusion - Turning - heat quenching and tempering - grinding - Part Inspection - demagnetization, cleaning - Submit assembly
Ferrule molding method
Ring current processing, forming methods are the following: forging molding, turning forming, cold rolling and cold forming (warm) extrusion. In the above molding method, the forging forming most widely used, the total production of about 80%, for some generic products can be used a small rod (tube) feeding directly turning shape. 80 years since the 20th century, China's small and medium enterprises in the production of small and medium rings using a cold rolling and cold (temperature) compression molding process.
1) Forging Forming
Through the inner metal forging to eliminate defects and improve the metal structure, a reasonable distribution of the metal flow lines, metal, close is good. Forging forming process widely used in bearing molding processing to be completed from the small diameter of ~ 20mm diameter 5000mm products to the large product processing. Forging a common molding method are: hot forging process, cold working, warm forging process, the forging of the main.
Hot molding processing equipment because of their different processing is divided into: free forging process, forging presses, forging machines flat upsetting forging process and high-speed machine forging process.
      2) Cold Rolling Forming
Is a cold rolling process to improve material utilization, improving metal tissue density, keeping the metal advanced techniques of linear flow, which is a non-chip processing methods. In theory, the cold rolling forming the products were not turning the heat treatment directly and grinding. At present, the cold rolling process is mainly used in medium and small deep groove ball bearings, the main process is:
Rough forging (the ring) - Turning (except Channel) - Rolling (groove and chamfer) the entire path - Polishing both ends of the surface
By cold rolling process and forging forming process, the product besides the precision accuracy of equipment, but also by the precision of mold.
3) Turning Shaping
In the bearing industry, the traditional molding technology is the use of dedicated turning lathe, a centralized method to complete forming process. However, the equipment used to adjust the method is difficult, low-precision machine tools, material utilization is low, so the process method is being phased out.
With the development of science and technology, CNC turning, and rapid development of increasingly sophisticated tools. Currently, a number of complex shape, high precision products are increasingly using CNC turning molding technology.
In summary, the direction of forming rings should be toward the high utilization of metallic materials, high efficiency, high precision molding direction. Therefore, high-speed technology upsetting, cold rolling, CNC forming technology will be turning more and more applications.
Related Keywords: Steel Linear Bearing  Large Linear Bearings  Linear Ball Bearings  Precision Linear Bearing

Bearing processing heat treatment process and technology

Treatment History
(1) Clean the heat treatment
The formation of heat production of wastewater, waste gas, waste salt, dust, noise and electromagnetic radiation Dengjun causes environmental pollution. Solve the heat problem of environmental pollution, the implementation of clean heat (or green heat treatment) is a technology developed in the direction of heat treatment. In order to reduce SO2, CO, CO2, emissions of dust and cinders, has basically put an end to the use of coal as fuel, the use of heavy oil less and less in favor of the majority of light oil, natural gas is still the best fuel.
Steel Linear Bearing Large Linear Bearings Linear Ball Bearings Precision Linear Bearing
Waste heat from the burner has reached a high level of use of the burner structure optimization and air - fuel ratio, combustion strict control to ensure reasonable under the premise of the NOX and CO decreased to a minimum; use of gas carburizing, carbonitriding and vacuum heat treatment technology alternatives to reduce the salt treatment with CN-waste salt and toxic contamination of water sources; use of synthetic water-soluble quenching oil instead of part of the quenching oil, the use of biodegradable vegetable oil instead of part of mineral oil to reduce oil pollution.
(2) Precision Heat Treatment
Precision heat treatment has two meanings: one is based on requirements of parts, materials, structure size, the use of physical metallurgy knowledge and advanced computer simulation and testing technology to optimize process parameters to achieve the required performance or to maximize the material potential; the other hand, fully guarantee the stability of optimization process to achieve product quality and dispersion of small (or zero), and heat distortion is zero.
(3) energy-saving heat
Scientific production and energy management is the most efficient use of energy has the potential factors, the establishment of specialized treatment plant to ensure full capacity, the ability to give full play equipment, scientific management of choice. Energy structure in the heat treatment, the preferred choice of primary energy; full use of waste heat, waste heat; with low energy consumption, short cycle process instead of a long cycle, energy-consuming process and so on.
(4) Heat a small non-oxidation
Alternative protective atmosphere heating by the use of heat to the precise control of oxidation of the atmosphere carbon potential, nitrogen potential of the controlled atmosphere heating, heat treatment to improve the performance of parts, heat treatment defects such as removal, crack greatly reduced, leaving the finishing heat treatment reduced to improve the utilization of materials and machining efficiency. Vacuum plus hot quenching, vacuum or low pressure carburizing, nitriding, Nitrocarburizing and boron penetration can significantly improve quality, reduce distortion and improve life.
Effect of heat treatment technology
(1) expanded the scope of application GCr15 steel, generally M quenching GCr15 steel rings 12mm wall thickness less effective, but the nitrate BL quenching cooling capacity, the use of a stirring, string action, water and other measures, ring effective thickness can be extended to 28mm or so.
(2) hardness and stability, good uniformity
Because change is a slow process of BL, the general GCr15 steel to be 4h, GCr18Mo steel to be 5h, ring in the nitrate in the long isothermal, Ministry of the surface of the heart changes in almost the same time, so the hardness and stability, good uniformity, the general BL GCr15 steel after quenching hardness 59 ~ 61HRC, uniformity ≤ 1HRC, not as quenching ring appeared slightly larger wall thickness of low hardness, soft spots, and poor uniformity.
(3) to reduce quenching, grinding cracks
In the railways, rolling mill bearing production, due to large ring size and weight, oil quenching M tissue brittleness, in order to obtain high hardness after quenching cooling measures often take strong, resulting in quenching cracks; and BL quenching, due to BL is much better organized than the M tissue toughness, while the surface of up to -400 ~-500MPa compressive stress, which greatly reduces the tendency of quenching cracks; in the surface grinding stress partly offset by a grinding stress, and the overall stress level down, greatly reducing the grinding cracks.
(4) bearing service life
Withstand large impact loads for the railway, rolling mill bearings, hardened by the M main failure mode when used as follows: when the inner sleeve assembly cracking, use the process off by the impact of outer wall blocks, inner ring fragmentation, while bearing Austempering the impact toughness, and surface stress, both sets of cracks within the assembly, or the use of the process out of the block wall jacket, inner sleeve fracture orientation greatly reduced, and the roller can reduce the edge stress concentration. Therefore, the isothermal quenching, after quenching than the average life span of M and increased reliability.

Bearing lubrication and the relationship between bearing life

Bearing life is basically divided into fatigue life, life, wear life, the failure life.
    1. Fatigue life: bearing the main moving parts of the material to the limit, resulting in a cumulative time prior to bearing failure.
    Rated dynamic load: life of 10000 rpm, the bearings can bear the load.
    Equivalent dynamic load: refers to the actual load bearing dynamic load operation in accordance with conditions determined to convert the assumption that load.

    2. Life: is life refers to the three sexual references, in theory, it refers to the bearing fatigue life, under normal conditions to the performance of the bearing wear life, the conditions are not normal, no manufacturing defects, failure life of the representative .
    3. Wear life: bearing due to normal wear, clearance increased to the limit before the cumulative working time. Bearing on today's industrial level, it should wear life> fatigue life, but in fact the opposite traction motor.

    4. Fault life: bearing failure is the incapacity of working time accumulated before.
    And bearing lubrication and bearing life and have to do it, we see the purpose of bearing lubrication to know:

    The purpose of bearing lubrication:

    1. Extend the fatigue life.
    Rolling bearing fatigue life, in the rotation, good lubrication rolling contact surface is extended. This is the greatest advantage of bearing lubrication, can increase the fatigue life and prolong bearing life.
    2. To reduce friction and wear.
    Constitute the bearing rings, rolling elements and maintain contact with each other part of the device to prevent the metal contact, reducing friction, wear and tear.
    3. Discharge of frictional heat, cooling
    Cycle oil to the oil law can be discharged place by friction heat, or heat coming from the external cooling. Prevent bearing overheating and prevent its aging oil.
    4. Other
    Members are also able to stop lubricating bearings bearing's internal foreign body, or to prevent the bearings rust, corrosion effect.

Composed of basic components of rolling bearings

Rolling bearings usually consists of the following four basic components:
    Inner ring, outer ring, cage and rolling - on the heart or the heart to the thrust bearing (inner or outer rings may be referred to), axes ring, seat ring, cage and rolling - on the thrust or radial thrust bearing (shaft washer or seat may be referred to as washers).
    Rolling bearings with the rolling body is the basic structural features, a small number of species of rolling positions in order to save space, or for rolling into more, you can not take the outer ring or inner ring, without inner and outer rings, with or without cage , but all must have a rolling element bearing.
    Inner ring is usually installed in the shaft or shaft, the outer ring or bearing seat installed in the hole, and rolling the assembly including the outer ring or the shaft, between the seat ring. External load or through the rolling axis by the inner circle or ring passed out seat, or seat by the outer or inner ring or shaft to the transmission cycle, the two sides achieved by rolling the relative rotation. Cage used to be rolling off to avoid contact between rolling elements, because direct contact with the rolling body is roughly at the relative speed of rolling single to 1 times the scrolling speed, which can cause abrasions rolling.
    Most of the strengths and weaknesses of rolling and rolling to the existence of, for example, constitute a rolling friction with rolling elements, the static and dynamic friction coefficient is low, high transmission efficiency, the axial size is small, but it also constitutes a higher pair contact ("point" contact or "line" contact), making the bearing stiffness, vibration and noise is less than the quality of some types of plain bearings, radial size as well.

Rolling bearing lubrication and sealing

Rolling mill bearing performance can be effectively used, to a large extent depends on the lubrication, lubricants, known as "the fifth-largest bearing parts." Causes of damage to rolling bearing more than 40% caused by poor lubrication, so to reduce the consumption of rolling bearings, we must choose suitable conditions of use and high quality lubricants lubrication methods, but also designed and installed to prevent water and oxide reliability of such foreign body seal.
Currently the main use of grease lubrication of rolling mill bearing and oil lubrication. Most manufacturers are now using the easy way of lubricating grease lubrication, oil lubrication if possible, can make ideal rolling bearing lubrication in the work, which will greatly reduce the bearing consumption.

Instances of bearing parts of the heat treatment

First, the working conditions and material and heat treatment requirements
1. Condition:
Work in the sliding bearings, υ Week <2m / S, requires a higher surface hardness of the small axis spindle. Such as machine tool path box, small gear shafts ..
Requirements: 45,50, complex shape shaft 40Cr, 42MnVB. Conditioning, HB228-255, the journal at the high-frequency quenching, HRC45-50
2. Conditions: work in the sliding bearings, υ Week <3m / S, required high hardness, deformation, such as the middle of a small shaft with gear
Requirements: 40Cr, 42MnVB conditioning, HB228-255, journal high frequency quenching, HRC45-50.
3. Condition: υ Week ≥ 2m / S, a large bending load and friction conditions, a small shaft, such as a small machine transmission shaft.
Requirements: 15,20,20 Cr, 20MnVB carburizing, quenching, tempering, HRC58-62.
4. Conditions: high load spline shaft, requiring high strength and wear resistance, deformation
Requirements: 45 high-frequency heating, cooling, low temperature tempering, HRC52-58.
5. Conditions: work in rolling or sliding bearings, light or medium load, low speed, less precision, a slight shock, fatigue, the main axis of the load can be neglected, or work in the rolling bearing, light load, υ <1m / s secondary spline shaft.
Requirements: 45 quenched and tempered, HB225-255 (such as general summary spindle)
6. Conditions: work in rolling or sliding bearings, light or moderate load speed slightly. Ρυ ≤ 150N.m / (cm ^ 2.s), high precision, shock, fatigue load small.
Requirements: 45 normalizing or quenching and tempering, HB228-255, a journal or assembling parts of surface hardening, HRC45-50.
7. Conditions: work in the sliding bearings, or overloading, high speed ρυ ≤ 400N.m/cm ^ 2.S, high precision, shock, fatigue load small.
Requirements: 40Cr quenching, HB228-255 or HB248-286, the journal surface hardening, HRC ≥ 54, the assembly parts of the surface quenching HRC ≥ 45.
8. Condition: Other above, but speed and high accuracy compared with the previous cases, such as the grinding wheel spindle.
Requirements: 45Cr, 42CrMo other above the surface hardness of HRC ≥ 56.
9. Conditions: work in the sliding or rolling bearings, contained, high speed, the center intensity of less demanding, precision is not too high, the impact is not, but the fatigue stress is large, such as grinders, milling machines and other heavy gear spindle.
Requirements: 20Cr carburizing, quenching, tempering, HRC58-62.
10. Conditions: work in the sliding or rolling bearing, heavy duty, high-speed (ρυ ≤ 400N.m/cm ^ 2.s) the impact of fatigue stress are high.
Requirements: 18CrMnTi 20Mn2B 20CrMnMoVA carburizing and tempering HRC ≥ 59.
11. Conditions: sliding bearing in turn, heavy, high-speed, high precision ≤ 0.003mm, high fatigue stress, such as high-precision grinding spindle boring machine.
Requirements: 38CrAlMoA quenched hardness of HB248-286: journal nitriding, the hardness HV ≥ 900.
12. Conditions: the motor shaft, the main torsion.
Requirements: 35 and 45 are fights normalizing or tempering, HB187 and HB217.
13. Conditions: water pump, requiring adequate torsional strength and resistance to corrosion.
Requirements: 3Cr13 and 4Cr13 1000-1050 ℃ oil, the hardness was HRC42 and HRC48.
14. Condition: C616-416 lathe spindle, 45 steel
(1) under alternating bending stress, torsional stress, and sometimes also by the impact load.
(2) big end of the spindle taper and taper at the inner circle, often with the chuck, a relative friction thimble.
(3) take part regularly bump key or relative sliding (4) in the rolling of moving forward, medium speed, medium load.
Requirements:
(1) the overall tone quality of the hardness HB200-230, the microstructure is sorbite.
(2) inside the cone and outer cone surface at the hardness of HRC45-50, the surface microstructure of 3-5mm wind and a small amount for the troostite tempered martensite.
(3) The hardness of the spline part HRC48-53, ibid microstructure
15. Condition: leap -130 type truck (2.5 tons)
Vehicle axle to withstand impact, repeated bending and torsional fatigue, the main transient overloading is broken, require adequate bending, torsion, fatigue strength and good toughness
Requirements: 40Cr 35CrMo 42CrMo40CrMnMo 40Cr quenched after the intermediate frequency surface hardening, the surface hardness of HRC ≥ 52, the depth of 4-6mm, static torque 6900N.m, fatigue ≥ 30 million, life expectancy ≥ 30 万 km microstructure: sorbite + troostite (original and quenched plus high-frequency quenching life expectancy was only 40 000 km)
Second, note:
1. (1-8) Notes:
Spindle and shaft materials and heat treatment selection must take into account the force size, shape and bearing type and spindle defects may be caused by heat treatment. Or journal on the bearing sleeve in the rotary bearing, the journal need not particularly high hardness, available 45,45 Cr, quenched and tempered, HB220-250, 50Mn, normalizing or quenching and tempering HRC28-35. in the work bearing the bearing should be hardened, can be 15,20 Cr, carburizing, quenching and tempering to a hardness of HRC56- 62, the journal at the carburizing depth 0.8-1mm. diameter or larger spindle carburizing weight is difficult, requires deformation is small, the journal is available at 45 or 40Cr for high frequency quenching. high precision and high speed (> 2000r/min) spindle yet to nitriding steel by nitriding treatment, a higher hardness. the heavy work of the large section under the main shaft, available 20SiMnVB or 20CrMnMoVBA, carburizing, quenching, tempering, HRC56-62.
2. (9) Notes:
Inner strength is not high, easily distorted by the force of the surface of high hardness, low load spindle speed should be. Heat a large deformation.
3. (10) Notes:
Ministry of higher heart αk σb and value of high surface hardness and wear resistance. There heat deformation.
4. (11) Notes:
Ministry of high heart strength, high hardness, wear and deformation is small.
5. (12) Notes:
860-880 ℃ normalizing
6. (13) Notes:
Or 1Cr13 1100 ℃ oil quenched ,350-400 ℃ tempered, HRC56-62.
7. (14) Notes:
Processing and heat treatment steps:
→ cutting → forging quenching and normalizing → → → semi-rough finish turning cylindrical, drill the center hole, fine cars cylindrical, keyway milling → cone and cone at the local quenching ,260-300 ℃ tempered → the space vehicle groove, rough grinding at a round, rolling mill spline grooves of the spline → high frequency quenching ,240-260 ℃ plus fire → grinding.

Please send me quote and report delivery time FOB your headquarters, size packing, total weight of merchandise and HS code: Quantity: 2 Description: Roller Bearings 24164 CCW33 ,FAG, SKF Quantity: 2 Roller Bearing 240/600ECA/W33 SKF FAG Quantity: 2 Roller Bearing NU 2252 MAC3 SKF