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Multi-layer composite bearings are available in various combinations of sliding surface. These are available both as maintenance-free and requiring lubrication.

Multi-layer bearings

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Hydraulic bushing special materials

SF-1D hydraulic special materials

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Reciprocating motion

SF-1P reciprocating motion material

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Gear oil pump bushing

Special materials for SF-1T gear oil pump

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Multi Layered Sleeve Bearings

Characteristic

Multi Layered Bearings refer to plain bearings of thin walled with self-lubricating functions. They are high performance, high quality, lubrication-free .

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Characteristic

High quality cold rolling steel, with sintered porous bronze and compound of PTFE/PEEK

 offer good properties of self-lubricating, low friction coefficient, and wear resistance.

 

Application

Automobile and hydraulic industry, like shock absorbers, steering system, wipers, hydraulic pumps, and motors.

SF-1P reciprocating move material is a novel formula designed according to the special working conditions of reciprocating motion, and its performance is similar to that of foreign DD2. The utility model has the advantages of strong self-lubricating ability, good wear resistance and clear oil film under the condition of oil-cutting, and the material can better protect the surface of the grinding shaft from abrasion. At present, the material products have been widely used in automobile shock absorbers, motorcycle shock absorbers, various hydraulic cylinders, hydraulic motors, pneumatic components and the like.

  • Maximum load pressure: 140N/mm2
  • Friction coefficient μ: 0.04~0.20
  • Applicable temperature range: -195 ° C ~ 280 ° C
  • Maximum sliding speed: 2.5m/s
  • Allow the highest PV value (dry): 3.6N/mm2.m/s
  • Allowable maximum PV value (oil): 50N/mm2.m/s

Product Description:

SF-1P reciprocating composite oil-free self-lubricating bearing (known abroad as DU bearing), using low carbon cold-rolled steel plate as the matrix, modified PTFE as the friction surface layer, the middle plus layer of bronze powder as the bonding layer, the outer surface of tin plating, made by special process. The steel plate provides sufficient mechanical strength and dimensional stability; With high quality bronze powder as the medium of steel plate and plastic, the friction and wear performance can be better exerted. Teflon is by far the least friction coefficient of a plastic material, and has excellent chemical stability. In order to strengthen the corrosion resistance of steel base, corrosion resistant coating was added to improve the corrosion resistance of the product.

Product application:

At present has been widely applied to various mechanical sliding parts, such as automatic mechanical equipment (telescopic, swing, slide, bending, cyclotron, turning parts) hydraulic cylinder guide sleeve, gear pump pu, textile machinery, vending machines, plastic molding machine, die-casting machine, rubber machine, tobacco machine, fitness equipment, office machinery, hydraulic truck, automobile, motorcycle, forestry machinery, etc.

Model of similar products:

Oil-free bushings, datong dry oil-free bushings, oil-free bushings, steel bushing, DIN1494 standard oil-free bushings DU | | | FQ – 1 GS – 1 PAPZ – P10 | INA PAP – P14 | PGZ | | PC – Z TH | EGB – E40 | JH1 | FZF – 1…

Typical characteristics of bearings:

1, no oil lubrication or less oil lubrication, suitable for places that can not be refueled or difficult to refueling, can be used in no maintenance or less maintenance;
2, high mechanical strength, dimensional stability. Can withstand a large stable load;
3, good wear resistance, small friction coefficient, long service life;
4. The coefficient of static and static friction is similar. At low speed, there is no “crawling” phenomenon and the movement is stable. So as to ensure the working accuracy of the machine;
5, can make the machinery to reduce vibration, reduce noise, prevent pollution, improve working conditions;
6, in the process of operation can form a transfer film, play a role in protecting the grinding shaft, no shaft bite phenomenon;
7. The hardness requirement of grinding shaft is low. The shaft without tempering and tempering treatment can be used to reduce the processing difficulty of related parts;
8, the general structure is mostly thin wall, compact structure, light weight, small volume, can reduce the mechanical volume;
9, good corrosion resistance. Can be used in vacuum, water, air and various corrosive corrosive media;
10. Wide use temperature range. Applicable temperature is -200℃ ~ + 280℃;
11, small thermal expansion coefficient, good heat dissipation, no water absorption, oil absorption, stable size;
12, do not produce and do not gather static electricity. Suitable for all kinds of rotation, sliding, swinging, reciprocating movement.

SF-1D hydraulic special material is a material designed in combination with the working principle of oil cylinder and shock absorber. It is more wear-resistant under oil-free conditions. In addition to the advantages of SF-1P, this product is especially suitable for large reciprocating Tendency to the occasion.

Its performance is similar to that of foreign DP4. At present, this product gradually replaces SF-1P material and is suitable for use in automobiles, motorcycle shock absorbers, and various hydraulic cylinders. This material is lead-free and meets the requirements of the EU ROHS Directive.

  • Maximum load pressure: 140N/mm2
  • Friction coefficient μ: 0.04~0.20
  • Applicable temperature range: -195 ° C ~ 280 ° C
  • Maximum sliding speed: 3m/s
  • Allow the highest PV value (dry): 3.8N/mm2.m/s
  • Allowable maximum PV value (oil): 50N/mm2.m/s

Product Description:

SF-1D hydraulic special composite oil-free bearing (known abroad as DU bearing), using low carbon cold-rolled steel as the matrix, modified polytetrafluoroethylene as the friction surface layer, the middle plus layer of bronze powder as the bonding layer, the outer surface of tin plating, made by special process. The steel plate provides sufficient mechanical strength and dimensional stability; With high quality bronze powder as the medium of steel plate and plastic, the friction and wear performance can be better exerted. Teflon is by far the least friction coefficient of a plastic material, and has excellent chemical stability. In order to strengthen the corrosion resistance of steel base, corrosion resistant coating was added to improve the corrosion resistance of the product.

Product application:

At present has been widely applied to various mechanical sliding parts, such as automatic mechanical equipment (telescopic, swing, slide, bending, cyclotron, turning parts) hydraulic cylinder guide sleeve, gear pump pu, textile machinery, vending machines, plastic molding machine, die-casting machine, rubber machine, tobacco machine, fitness equipment, office machinery, hydraulic truck, automobile, motorcycle, forestry machinery, etc.

Model of similar Bushings Products:

Oil-free bushings, datong dry oil-free bushings, oil-free bushings, steel bushing, DIN1494 standard oil-free bushings DU | | | FQ – 1 GS – 1 PAPZ – P10 | INA PAP – P14 | PGZ | | PC – Z TH | EGB – E40 | JH1 | FZF – 1…

Typical characteristics of bearings:

1, no oil lubrication or less oil lubrication, suitable for places that can not be refueled or difficult to refueling, can be used in no maintenance or less maintenance;
2, high mechanical strength, dimensional stability. Can withstand a large stable load;
3, good wear resistance, small friction coefficient, long service life;
4. The coefficient of static and static friction is similar. At low speed, there is no “crawling” phenomenon and the movement is stable. So as to ensure the working accuracy of the machine;
5, can make the machinery to reduce vibration, reduce noise, prevent pollution, improve working conditions;
6, in the process of operation can form a transfer film, play a role in protecting the grinding shaft, no shaft bite phenomenon;
7. The hardness requirement of grinding shaft is low. The shaft without tempering and tempering treatment can be used to reduce the processing difficulty of related parts;
8, the general structure is mostly thin wall, compact structure, light weight, small volume, can reduce the mechanical volume;
9, good corrosion resistance. Can be used in vacuum, water, air and various corrosive corrosive media;
10. Wide use temperature range. Applicable temperature is -200℃ ~ + 280℃;
11, small thermal expansion coefficient, good heat dissipation, no water absorption, oil absorption, stable size;
12, do not produce and do not gather static electricity. Suitable for all kinds of rotation, sliding, swinging, reciprocating movement.

STANDARD METRIC FLANGE BUSHINGS

The special material of the SF-1T gear oil pump is specially formulated according to the high PV value condition of the gear pump. The material has a special anti-fatigue impact advantage. Applicable oil pump pressure: 16-25Mpa, line speed is 3.5-5m/s. The PV value can reach 120 N/mm2.m/s under the condition of fluid lubrication, which is the best choice for various gear oil pumps, plunger pumps, and vane pumps. The products made of this material successfully passed the 1 million impact test of pump of Changjiang Hydraulic Parts Factory, and the quality level is the leading position in China.

  • Maximum load pressure: 140N/mm2
  • Friction coefficient μ: 0.03~0.18
  • Applicable temperature range: -195 ° C ~ 280 ° C
  • Maximum sliding speed: 10m/s
  • Allow the highest PV value (dry): 4.3N/mm2.m/s
  • Allowable maximum PV value (oil): 60N/mm2.m/s

Product Description:

SF-1T gear pump composite oil-free bearing (known abroad as DU bearing), using low carbon cold-rolled steel as the matrix, modified PTFE as the friction surface layer, the middle plus layer of bronze powder as the binding layer, the outer surface of tin plating, made by a special process. The steel plate provides sufficient mechanical strength and dimensional stability; With high-quality bronze powder as the medium of steel plate and plastic, the friction and wear performance can be better exerted. Teflon is by far the least friction coefficient of plastic material and has excellent chemical stability. In order to strengthen the corrosion resistance of the steel base, a corrosion-resistant coating was added to improve the corrosion resistance of the product.

Product application:

At present has been widely applied to various mechanical sliding parts, such as automatic mechanical equipment (telescopic, swing, slide, bending, cyclotron, turning parts) hydraulic cylinder guide sleeve, gear pump pu, textile machinery, vending machines, plastic molding machine, die-casting machine, rubber machine, tobacco machine, fitness equipment, office machinery, hydraulic truck, automobile, motorcycle, forestry machinery, etc.

Model of similar sleeve bushing:

Oil-free bushings, datong dry oil-free bushings, oil-free bushings, steel bushing, DIN1494 standard oil-free bushings DU bushing | | FQ – 1 GS – 1 PAPZ – P10 | INA PAP – P14 | PGZ | | PC – Z TH | EGB – E40 | JH1 | FZF – 1…

Typical characteristics of bearings:

1, no oil lubrication or less oil lubrication, suitable for places that can not be refueled or difficult to refueling, can be used in no maintenance or less maintenance;
2, high mechanical strength, dimensional stability. Can withstand a large stable load;
3, good wear resistance, small friction coefficient, long service life;
4. The coefficient of static and static friction is similar. At low speed, there is no “crawling” phenomenon and the movement is stable. So as to ensure the working accuracy of the machine;
5, can make the machinery reduce vibration, reduce noise, prevent pollution, improve working conditions;
6, in the process of operation, can form a transfer film, play a role in protecting the grinding shaft, no shaft bite phenomenon;
7. The hardness requirement of grinding shaft is low. The shaft without tempering and tempering treatment can be used to reduce the processing difficulty of related parts;
8, the general structure is a mostly thin wall, compact structure, lightweight, small volume, can reduce the mechanical volume;
9, good corrosion resistance. Can be used in a vacuum, water, air, and various corrosive corrosive media;
10. Wide use temperature range. Applicable temperature is -200℃ ~ + 280℃;
11, small thermal expansion coefficient, good heat dissipation, no water absorption, oil absorption, stable size;
12, do not produce and do not gather static electricity. Suitable for all kinds of rotation, sliding, swinging, reciprocating movement.

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