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Wire and cable extruder screw barrel
Technical specifications of extruder screw: Screw diameter: 15-300, aspect ratio: 15-46. Product type: For different plastic products, screws can be s
Product details
Technical parameters of extruder screw
Specifications:
Screw diameter: Ø 15- Ø 300
Length to diameter ratio: 15-46
Product type:
For different plastic products, screws can be selected from: ordinary type, pin type, barrier type, separation type, exhaust type, etc.
Base material:
1)38CrMoAlA（JIS SACM645）
2)42CrMo（AISI 4140）
Processing technology:
heat treatment
Nitriding treatment
Technical parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness:<=Level 1
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Hardness of surface chrome plating after nitriding: ≥ 950HV
Chrome plating thickness: 0.025-0.085mm
Double alloy depth: 3mm
Specifications:
Screw diameter: Ø 15- Ø 300
Length to diameter ratio: 15-46
Product type:
For different plastic products, screws can be selected from: ordinary type, pin type, barrier type, separation type, exhaust type, etc.
Base material:
1)38CrMoAlA（JIS SACM645）
2)42CrMo（AISI 4140）
Processing technology:
heat treatment
Nitriding treatment
Technical parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness:<=Level 1
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Hardness of surface chrome plating after nitriding: ≥ 950HV
Chrome plating thickness: 0.025-0.085mm
Double alloy depth: 3mm
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