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Zhoushan Vanscrew Machinery Co.,Ltd.
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Price: | 10000.0~15000.0 USD |
Payment Terms: | T/T,L/C |
Place of Origin: | Zhejiang, China (Mainland) |
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Parallel barrel
For single screw, we have various kinds of quality for customer choices. We also have suit for many famous machinery manufacturers like Chenhsong and Yizumi. Can suit for lots of existing machinery.
Parallel twin screw and barrel type
Φ40/2 | Φ50/2 | Φ65/2 | Φ80/2 | Φ90/2 | Φ105/2 |
Φ125/2 | Φ130/2 | Φ150/2 | Φ180/2 | Φ200/2 |
Max L/D:1/36
Compressing rate of screw can be designed according to different raw materials and product.
Material
Alloy-Steel of High-quality
1)38CrMoALA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)9Cr18MoV
4)CW6Mo5Cr4V2
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching
Technical data
Hardness After Hardening &Tempering: | HB240 -280 |
Nitrided Hardness: | Hv850-1000 |
Nitrided Depth: | 0.45-0.7mm |
Nitrided Brittleness: | ≤Grade 2 |
Surface Roughness: | Ra0.4 |
Screw straightness: | 0.015mm |
Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
Chromate-plating Depth: | 0.05-0.10mm |
Bimetallic-alloy Hardness: | HRC56 -65 |
Alloy Depth: | 0.8-2.0mm |
Parallel twin screw barrel