Hebei Hongxintai Industry Trading Co., Ltd.
Main products:Christmas Tree
Products
Contact Us
  • Contact Person : Mr. Bo Hao
  • Company Name : Hebei Hongxintai Industry Trading Co., Ltd.
  • Tel : 86-311-87895003
  • Fax : 86-311-87890013
  • Address : Hebei,Shijiazhuang,Room 304, 18 Beihe Street, Shijiazhuang City, Hebei Province. China
  • Country/Region : China
  • Zip : 050070

Buffer Bushing & Buffer Piston

Buffer Bushing & Buffer Piston
Product Detailed
Applicated in engineering machine.

Buffer Bushing & Buffer Piston

Item

Material

Mechanical behavior

 Buffer Bushing

45

Surface High frequence quenching, hardness 52 to 60HRC hardening depth 1.0 to 2.0mm

40Cr,42CrMo

Quenching, hardness 45 to 52HRC

HBsC4

220-270HB

Spheroidal graphite cast iron

≥230HB

Buffer Piston

15CrMo,20CrMo

Carburizing and quenching, hardness 56 to 62HRC

Using feature

To efficiently absorb impact from hydro-cylinder with special designed floating buffer zone. It is a significant part for High-speed and High pressure buffer zone.Polishing out surface, fulfill the requirement of ABBOTT curve.Distinctive grinding process be used for machining of buffer bevel, to guarantee the requirement of the dimensions and angle.Rolling treatment be used for R grooves of buffer piston, roughness can be up to Ra0.4, tensile strength highly improve.Application to hydro-cylinder for digger.

Buffer Bushing & Buffer Piston



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