Product Details

Triple layered series PTFE overlay BK-1W BK-1D BK-1T friction and wear character BK-1 bush

Lubrication
BK-1 bushes have various lubrication methods. Lubricating media include water, lubrication oil (machinery oil, turbine oil, hydraulic oil,
etc.), cooling liquid etc.
Generally, if the liquid does not erode PTFE or bronze, it is accepted that the bush can be used in this liquid. If it is doubtful weather
BK-1 series bushes may be used in a kind of liquid, we suggest a simple test, put the bush into the liquid for 1-2 weeks, keep the
liquid temperature range at 15-20 C. It is determined that the bush is not suitable for the liquid when any one of the following
happens.
Great change on bush wall thickness
Visible change on bush surface, which is different from discolouration or staining
Change on bronze layer microstructure structure
Grease lubrication
BK-1 bushes need no grease lubrication in normal conditions. Carefully adopt grease lubrication on following conditions.
Bush sustains dynamic load
If lubricants containing EP additives or having Pb or MoS2 , they will speed up the wear of BK-1 bushes.

Introduction:

Model	Material	Photo	International Mode
DYB100	TYPE: FLANGE, WASHER, SLEEVE MATERIAL: CARBON STEEL,STAINLESS STEEL,BRONZE -(TIN-COATING, COPPER-COATING,ZINC-PLATING)		DU,PAP,PAF,P10,P20, PTFE TEFLON BUSHING
DYB200	TYPE: FLANGE, WASHER, SLEEVE		DX,PAP,P20,POM
DYB101	Carbon steel+Bronze powder+PTFE+Polymer		DU,PAP,P10,LFB
DYB105	Bronze+Bronze powder+PTFE+Polymer		DU-B,PAP,P11
DYB106	Steel+Bronze powder+PTFE+Polymer		DP4,DP-4
DYB107	Stainless steel+Bronze powder+PTFE+Polymer		DU PAP P10 - SS
DYB202	Steel+Bronze powder+POM (yellow)		DX, PAP, P20

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DYB100 Technical Data:

Items	Value	Unit
Thermal Conductivity	40	W/mK
Maximum Operating Temperature Tmax	280	°C
Minimum Operating Temperature Tmin	-200	°C
Compressive Yield Strength	350	N/mm2
Maximum Static Load Psta,max	250	N/mm2
Maximum Dynamic Load Pdyn,max	140	N/mm2
Maximum Sliding Speed V-dry	2.5	m/s
Maximum PV Factor-dry, continuous operation	1.8	N/mm2 * m/s
Maximum PV Factor-dry, intermittent operation	3.5	N/mm2 * m/s
Coefficient of friction f-dry	0.02-0.25
Coefficient of friction f-oil lubricated	0.02-0.12

Feature:

1).Good load capacity and anti-wear.

2).It is in high load capacities and low speed with rotational,oscillationg or frequent stop-start motion.

3).It can work for a long time without oil in the condition of boundary lubrication,under oil or grease lubrication interval, the working-life will be longer.

4).It is machinable for the thicker of PTFE.

Drawing and Size:

Technology & Procedure:

Application:

Automotive:
McPherson struts and shock absorbers, doors, bonnets and tailgate hinges, steering columns, clutches, gearbox selector fork guides, wiper arms, power steering pumps, pedal bushes, ABS equipment, etc.

Industrial:
Aerospace, agricultural equipment, construction equipment, material handling equipment, forming machines-metal, plastic and rubber, office equipment, medical and scientific equipment, packaging equipment, pneumatic and hydraulic cylinders, pumps and motors, railroad and ramways, textile machinery, valves, etc.

Factory Shows:

Large various bushings manufacture.

Click the following and view more details

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