产品

Single screw and barrel 获取报价

Jinhailuo is the best screw brand since 1978 . Nearly 40 years of experience and history in the manufacture of screw and barrel .

We have more than 10 groups furnace that depth can up to 12.5m , and a number of advanced screw and barrel professional processing equipment to meet the larger scale equipment’s high quality demand . We have processed the diameter of the screw and barrel can be reached 350mm.

Jwell will continue to keep innovation and improvement . Using high quality alloy steel as the base material, controlling the whole process of the quenching and tempering , qualitative , nitriding , surface alloy process .

The Main Applications

  • Tempering hardness : 270~300 HV
  • Nitride hardness : 900~1020 HV
  • Nitride layer hardness : 0.5~0.8mm
  • Nitride brittleness : less 1 grade
  • Surface roughness : Ra 0.4um

Screw Material and Manufacturing Range

  • Screw material : 38CrMoAlA(JIS SACM645) , 42CrMo(JIS SCM440) SKD61
  • Screw diameter range : 12~350mm
  • Maximum length of the screw : 9000mm
  • Surface treatment : PTA , lon Nitride , heatment , gas Nitride , hard chrome plating , phosphor nickel alloy plating

Barrel Material and Manufacturing Range

  • Screw material : 38CrMoAlA(JIS SACM645) , 42CrMo(JIS SCM440) SKD61
  • Screw diameter range : 12~350mm
  • Maximum length of the screw : 12000mm
  • Surface treatment : Centrifugal casting , medium frequency , gas oxidation , Nitride , hard chrome plating , phosphor nickel alloy plating

Processing Workshop

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