concial twin screw and barrel
产品技术参数 Technical specification
|
技术参数 |
Technical Specification |
|
调质硬度: HB280-320 |
Hardness After Hardening & Tempering: HB280-320 |
|
氮化硬度: HV850-1000 |
Nitrided Hardness: HV850-1000 |
|
氮化层深度: 0.50~0.80mm |
Nitrided Case Depth: 0.50~0.80mm |
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氮化脆性: ≤二级 |
Nitrided Brittleness: Less Than Grade 2 |
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表面粗超度: Ra 0.4 |
Surface Roughness: Ra 0.4 |
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螺杆直线度: 0.015mm |
Screw Straightness: 0.015mm |
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氮化后表面镀铬层硬度: ≥900HV |
Surface Chromium-Plating’s Hardness After Nitriding: ≥900HV |
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镀铬层厚度: 0.025~0.10mm |
Chromium-plating Depth: 0.025~0.10mm |
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双合金硬度: HRC50-65 |
Alloy Hardness: HRC50-65 |
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双合金深度: 0.8~2.0mm |
Alloy Depth: 0.8~2.0mm |
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材料和工艺 |
Materials & Processes |
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优质38CrMoAlA(JIS SACM645) |
Quality 38CrMoAlA(JIS SACM645) |
|
优质双相不锈钢 |
Quality Duplex Stainless Steels |
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42 CrMo(JIS SCM440) |
42 CrMo(JIS SCM440) |
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40Cr |
40Cr |
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锌3#钢 |
GH113 |
|
SKD11 |
SKD11 |
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SKD61(H13) |
SKD61(H13) |
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Cr12MoV |
Cr12MoV |
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优质粉末冶金材料 |
Quality Powder Metallurgy Raw Materials |
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冷、热喷涂硬金属工艺 |
Cold/Thermal Spray Hard Metal Process |
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先进渗氮工艺 |
Advanced Nitriding Process |
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耐腐蚀、耐磨双金属喷涂工艺 |
Corrosion & Abrasion Resistance Bimetallic Spraying Process |
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