Product Details
Specification:
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 and 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)
Processing process:
Heat treatment
Nitriding treatment
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 900-1000HV
Nitrided brittleness: <= 1 level
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Zhejiang Qijia Machinery Co., Ltd. all rights reserved
Address: No. 14, Shantan Road, Xitun Industrial Zone, Jintang Town, Dinghai District, Zhoushan, Zhejiang, China
Mobile phone：13758004288
fax：0580-8592567
E-mail：stjxc@163.com Technical Support : HWAQ
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