PTFE Metric Sleeve Self Lubricating Bronze Bushings
As a professional high quality Lubrication free PTFE Metric Sleeve Self Lubricating Bronze Bushings manufacturers, you can rest assured to buy Lubrication free PTFE Metric Sleeve Self Lubricating Bronze Bushings and we will offer you the best after-sale service and timely delivery.
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Product Description
As a professional high quality Lubrication free PTFE Metric Sleeve Self Lubricating Bronze Bushings manufacturers, you can rest assured to buy Lubrication free PTFE Metric Sleeve Self Lubricating Bronze Bushings and we will offer you the best after-sale service and timely delivery.
Product Parameter
|
Material: |
Tin-Bronze + Porous Bronze + PTFE |
Types: |
Wrapped Bushes, Flanged Bearing, Thrust Washer |
|
Application: |
Metallurgy Machine And Casting Machines, Consecutive Casting Machines, Cemetery Machines, Spiral Transporting Machines, Etc. |
Working Temperature: |
-200~+280℃ |
|
Max. Load: |
Static Load 250N/mm², Dynamic Load 140N/mm² |
Max. PV Value: |
Grease 3.6 N/mm²·m/s, Oil 50 N/mm²·m/s |
|
High Light: |
self lubricating bushings, self lube bearings |
||
PTFE Metric Sleeve Bearings / Self Lubricating Bronze Bushings
It is backed with tin-bronze with porous bronze sintered on it and polymers imbedded into the bores of the bronze. The tin-bronze back provides the bush with stronger mechanic strength and load capability. By combining the metals and the polymers together, the products are endowed with the lower friction coefficient and good capacity of anti-abrasion and self-lubrication. Moreover, the tin-bronze back is good heat conducting capability. This series are widely applied in metallurgy machine and casting machines, consecutive casting machines, cemetery machines, spiral transporting machines, etc.
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | ||
| Max. Load | Static Load | 250N/mm² | Friction Coefficient | Grease Lubrication | 0.08~0.20 |
| Dynamic Load | 140N/mm² | Oil Lubrication | 0.02~0.07 | ||
| Oscillation Load | 60N/mm² | Mating Axis | Hardness | >120 HB | |
| Linear Velocity | Grease Lubrication | 2.5 m/s | Roughness | Ra=0.4~1.25 | |
| Oil Lubrication | 5 m/s | Working Temperature | -200~+280℃ | ||
| Max. PV value | Grease Lubrication | 3.6 N/mm²·m/s | Heat-conducting Coefficient | 60 W/(m*k) | |
| Oil Lubrication | 50 N/mm²·m/s | Heat-expansion Coefficient (Axial) | 18*10^-6k | ||
Physical and Mechanical Performance
Normally, the surface polymer is chemical-erosion resistant quality. However it can be eroded by fused alkali metal and high temperature fluorine compounds. But tin-bronze back can prevent air-erosion.
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