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E-mail
sales@jhscrew.com
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Address
No. 599 Xingzhou Avenue, Yancang, Dinghai District, Zhoushan City
Product Categories
Zhoushan Jianghai Screw Machinery Manufacturing Co., Ltd
Bimetallic screw
NegotiableUpdate on 02/19
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Overview
Product specifications: Screw diameter: φ 12- φ 300, length limit: 5000mm
Product Details
Technical indicators:
Our technology and engineering departments have decades of experience in the fields of plastic machinery and screw design. We have developed our own screw design and can also customize it according to your needs. We efficiently and quickly complete orders, providing you with high-quality products quickly and promptly.
| material | 38CrMoALA， SKD61，SKD11，D2 |
Screw straightness | 0.015mm |
| Hardness of chrome plating layer | 850 HV | ||
| Screw diameter | D12-D300 mm | Thickness of chrome plating layer | 0.03-0.10mm |
| Draw Ratio of Screw | L/ D=10-50 | Hardness of chrome plated surface after nitriding treatment | ≥900HB |
| Depth of nitride layer | 0.5-0.8mm | Hardness after heat treatment | HB240-280 |
| Hardness of nitride layer | 950-1020HV | Nitriding treatment time | ≥ 96 hours |
| Nitride brittleness | <Level 2 | Bimetallic layer hardness | 58-65 HRC |
| Surface roughness | Ra0.4μm | Depth of bimetallic layer | 0.8-2.0mm |
Our technology and engineering departments have decades of experience in the fields of plastic machinery and screw design. We have developed our own screw design and can also customize it according to your needs. We efficiently and quickly complete orders, providing you with high-quality products quickly and promptly.
