Oilless Wrapped Brass Bush For Punching Tooling

Oilless Wrapped Brass Bush For Punching Tooling

Punch Die Bushing is used for pressing mould , it can make sure the mould up and down smoothly, and much longer service. We add copper sleeve into the bushing , then no need to oil the guide pillars during working. We can custom make the bushing according to your CAD, IGS or PDF drawings, all...
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Product Details

Oilless Wrapped Brass Bush For Punching Tooling

TECHNICAL DATA:

Density

8.0 g/cm3

Hardness

>210 HB

Tensile strength

>750 N/mm2

Yeild strength

>450 N/mm2

Elongation

>8

Coefficient of linear expansion

1.9x10-5/°C

Operating temperature

-40°C~+300°C

Max. Dynamic Load

120

Max. Speed

Dry

0.4 m/s

Oil

1.0 m/s

Max. PV limit

Dry

1.5 N/mm2.m/s

Oil

3.25 N/mm2.m/s

Friction

Dry

0.12~0.16 μ

Oil

0.03~0.08 μ

 


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