锥形双螺杆机筒
- Product Services:
塑料机械设备螺杆和机筒
- Category:
Supply > screw
- Unit price:
0.00
- Minimum order quantity: 0
- Total supply volume:
0/台
- Period for dispatch:
3
- Validity until:
Long term effectiveness
- Final update:
2016-04-20
Detailed product description
螺杆压缩比可根据不同产品和配方进行设计
技术指标:
调质硬度:HB280-320
氮化硬度:950-1100HV
氮化深度:0.50-0.80mm
氮化脆性:≤2级
表面粗糙度:Ra 0.4μm
螺杆直线度:0.015mm/m
合金层硬度:HRC60-72
合金层深度:≥3mm
氮化后表面镀铬层硬度:≥950HV
镀铬层厚度:0.025~0.10mm
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