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  Item No.: JDB series bushings
  Size: JDB series bushings
  • JDB-1 Can be used low,middle and high load. When under

high load, wear peformance degrades accordingly.
It's a general-purpose product and be applied under low or high pressure, low or high temperature, and oil, water or dry lubrication.
Can be applied in consistent cast machine, rolling machine, conveyor equipment; plastic injection machine, high voltage switch; hoisting supporter, hydraulic gate supporter; paper-making machine, automobile die etc.

Base material CuZn24AL6Mn4
Base hardness HB230(HB270)
Friction coef <0.16
Temp limit 300C
Dynamic load limit 100N/mm2
Load limit under lm/min 25N/mm2
Sliding velocity limit dry 0.4m/s
oil 5m/s
PV limit 3.8N/mm *m/s

  • Suitable for low load position,wear performance
    worsens greatly when under middle or high load.
    Can be applied in furnace door lindge, furnace, conveyor, tool machines, light industries, etc.

 

Base material CuSn6Zn6Pb3
Base hardness HB90
Friction coef <0.15
Temp limit 350C
Dynamic load limit 60N/mm2
Load limit under lm/min 15N/mm2
Sliding velocity limit 2m/s
PV limit 0.5N/mm*m/s

  • JDB-3

Suitable for lowload position,wear performance

worsens when under middle or high load. The mating layer is same as JDB-2 so that more cost-saving than JDB-2 whereas compression strength increases and weldable. Most suitable for dry position in construction, metallurgical machines, conveyor machines etc.

Base material CuSn6Zn6Pb3
Base hardness HB80
Friction coef <0.14
Temp limit 300C
Dynamic load limit 70N/mm2
Load limit under lm/min 20N/mm2
Sliding velocity limit 2m/s
PV limit 0.6N/mm *m/s

  • JDB-4

Very good performance when under low load. Not suitable for middle and high load.
A typical cost saving material, can substitute JDB-2 to be applied in the position without high requirements such as die guider, plastic injection machines etc.

Base aterial HT-250
Base hardness HB210
Friction coef <0.17
Temp limit 400C
Dynamic load limit 60N/mm2
Load limit under lm/min 15N/mm2
Sliding velocity limit 0.5m/s
PV limit 0.8N/mm *m/s

  • JDB-5

Can be used under low,middle and high load.


Due to its superb high hardness, when under high load, it overperforms than other JDB type.
Not suitable for water,acid,ahkili circumstances.
Most suitable for the supporting position of hoisting machine, e.g. bulldozer supporter, hoister supporter, reeling machine supporter etc.

Base material GCr15
Base hardness HRC60
Friction coef <0.17
Temp limit 350C
Dynamic load limit 250N/mm2
Load limit under lm/min 70N/mm2
Sliding velocity limit 0.1m/s
PV limit 2.5N/mm*m/s

 



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