oil-free bushing slide bearing with good quality

oil-free bushing slide bearing with good quality System 1

oil-free bushing slide bearing with good quality

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 pc

Supply Capability:: 200000 pc/month

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Specifications

oil-free bushing
1,can be work without oil condition
2,low wear,low friction and with long life.
3,low vibration,low noise

oil-free bushing

Material

1.PTFE with fibre 0.01~0.03mm

2.Porous bronze 0.2~0.3mm

3.Steel backing 0.7~2.3mm

4.Tin-plating 0.005mm or copper plating 0.008mm

Technical

Load capacity 140N/mm2

Temperature -195°C ~ +280°C

Speed limit 5m/s

Friction coef(u) 0.04~0.20

PV Limit(Dry) 3.6N/mm2 .m/s

Application

1.PTFE and fibre can protect the shaft while in operation.

2.It is suitable for the machine required harmless to people because

of Lead-free.

3.Goodload capacity and anti-wear.

4.Bronze and steel have good thermal conductivity.

5.Anti-corrosion because of surface plating.

6.It is widely used in general machines,and suitable for food machine,pharmaceutical

machine,tobacco machine etc.It will subsitute SF-1 series bushings in future because of environment protection.

oil-free bushing slide bearing with good quality

Q:Is the high or low pair of plain bearings and shafts?: The element of the moving pair of sliding bearings is surface contact, which is low pair!

Q:Which is better for plain bearings, copper sleeve and linear bearing?: The copper sleeve and the linear bearing do not have the same working condition, the morning Han bearing introduces to you the copper sleeve and the linear bearing characteristic:Copper sleeve - mainly used in low speed, heavy load occasions, with lubrication effect, good toughness, strong impact resistance, in the operation process will not pull the shaft.Linear bearings - high accuracy, mainly for high speed, light load occasions. No lubrication effect, no toughness, no impact resistance, because of its high hardness of steel balls, in the absence of oil conditions will be greater degree of strain axis.

Q:Which foreign brands are good for self lubricating sliding bearings?: their advantage is rolling oil lubrication;Self lubrication words: THORDON in Canada, DRIE in the United States, GGB in Japan, OILERS in japan;These brands;Specific words, each brand has a concentrated market and areas, but also depends on your specific application!

Q:What is the bearing force value, how to determine, how to adjust, what is the effect?: Bearing preload value of the end is lower level put a root diameter of 1mm length 100mm wire (A1, A2), motor or pump mechanical corresponding middle bearing upper same diameter and length of wire (B1), and then fasten the bearing shell and lid, with a screw tightening, then open remove the flat wire, so the bearing force value of s=b1- (a1+a2) /2, mm.

Q:lead and antimony, because of its good wear resistance, high plasticity, good running performance. What is meant by running fit here? Thank you!: That is, with the rotation of the shaft, it can produce a consistent shape

Q:On what occasions are plain bearings used?: 3, heavy load occasions;4, under the condition of tremendous impact and vibration;5, need to be made into split bearing occasions;

Q:What are the consequences of not hammer sliding bearing: The range of viscosity selection is L - ANl5 to L - AN68. High speed, big journal diameter bearings, oil viscosity can be lower, and conversely, oil viscosity should be a little higher.For machine tools, the sliding rails in general working conditions should be lubricated by mechanical oil. The viscosity of the oil shall be determined according to the magnitude, speed, horizontal or vertical temperature of the rail. Horizontal guideway should choose L - AN32 ~ L - AN68 viscosity of lubricating oil, and vertical guide rail should choose L - AN46 ~ L - ANl00 viscosity of lubricating oil.For gear transmission, the actual contact stress between the teeth are often very high, with each point on the tooth surface and the short time, but also engaged in sliding and rolling at the same time, therefore, the formation of liquid film is weak. The lubrication of gears depends mainly on the boundary oil film. The greater the gear load, the higher the viscosity of the selected oil; the higher the speed, the lower the viscosity of the selected oil; the higher the working environment temperature, the higher the viscosity of the selected oil. Under normal circumstances, the gear drive using L - AN46 viscosity of mechanical oil can meet the requirements.

Q:How is the axial clearance of plain bearings large?: The sliding bearing has a barrel type, has several pieces of tile type, the barrel type general outer circle has the taper, adjusts the back cap to complete the gap adjustment, monolithic tile's general to a tile adjustment can eliminate the gap.

Q:Establishment of oil film bearing capacity of dynamic sliding bearing and several conditions to ensure full liquid lubrication: Establish three conditions: relative speed, reasonable wedge, adequate lubrication. This is a necessary condition.There is only one condition for complete liquid lubrication: the minimum oil film thickness is greater than the sum of the roughness of the shaft and bearing table.

Q:How to choose the aspect ratio of plain journal bearings: The common diameter ratio of plain journal bearings is usually 0.5~1.5. When the width diameter ratio is selected, the shaft stability can be increased by selecting the hour.

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