Conical twin screw-Zhoushan Qingxiang screw < Runxiang screw > machinery factory

Conical twin screw

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Specifications:

24/52, 35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 105/213

The above are standard specifications, can be customized according to customer requirements.

The screw compression ratio can be designed according to different products and different formulations.

 

Base material:

1)38CrMoAlA(JIS SACM645)

2)42CrMo(AISI 4140)

3)4Cr5MoSi V1 (JIS SKD-61)

 

 

Treatment process:

heat treatment

Nitriding treatment

 

Technical parameters:

Nitriding depth: 0.50mm-0.80mm

Nitriding hardness: 900-1000hv

Nitriding brittleness: < grade 1

Surface roughness: RA 0.4

Straightness of screw: 0.015mm

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