CUSTOMIZED SCREW BARREL

1. 20 YEARS OF PRODUCION EXPERIENCE 2. CUSTOMIZE SPECIFIED SCREW BARREL 3. COMPETITIVE PRICE

Screw and Barrel  Parallel, Conical, Twin 

We are the manufacture professional in produce screw and barrel located in Zhoushan, China

all the screw and barrels are made according to the standard of JB/T8538-1997 and ISO9002

1.Material: 38CrMoALA

 38CrMoALA(JIS SACM645)

 42CMo(JIS SCM440)

 SKD61

2.Specification and Techincal Data:

  Screw Dia   :Ø20-Ø300

  L/D Ratio: 15-55

  Clamping Force:100KN~35000KN  Injection Volum:30~30000g  Quenched and tempered hardness HB240°~280°  Nitriding Hardness:HV850°~1000°  Nitriding Depth:0.45~0.7mm  Nitriding Brittleness:≤2 grade

  Surface Roughness:Ra0.4  Linearity of the screw :0.015mm  Chrome Degree after Nitriding :HV≥900HV  Chroming Depth:0.05~0.10mm  Alloy Depth:0.8~2.0mmThe Hardness of the Dual Alloy :HRC56°~65°

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