rubber machine screw and barrel

Payment Terms: T/T,L/C,D/A,D/P,WU
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Basic Info.
  • Brand Name: JHscrew 
  • screw: barrel 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Ocean, Air, Land
Supply Capacity

Material Available:
Nitrided Steel: 42CrMo, 38CrMoALA, etc
Cool work steel: D2, SKD61, 9Cr18MoV etc.
Heat resistant steel: SKH51, GH113 etc.

Working process:
Raw Material - Quenching & Tempering - Rough Machining - Semi finish Machining - Finish Machining - Nitriding Treatment - Bimetallic Casting - Inspection - Finish Products
Technology Index:

Barrel Surface RoughnessRa0.4umNitriding Layer HardnessHRC950-1020
Barrel Straightness0.015mmNitriding Fragility< = Grade one
Inner DiameterΦ14-Φ300 X 8000mmScrew Straightness0.0015mm
L/D RatioL/D=8-20Cr-Plating Layer Depth0.03-0.08mm
Screw Surface RoughnessRa0.4μmBimetallic Layer Depth>2.0mm
Nitriding Layer Depth0.5-0.8mmBimetallic Layer HadnessHRC55°-72°

Material: Cold feed rubber screw and barrel: Specification: Ф40-Ф300MM
L/D Ratio: 8-20
Hot feed rubber screw and barrel: Specification: Ф30-Ф250MM
L/D ratio: 4-8
Pin-rubber screw and barrel: Specification: Ф60-Ф250MM
L/D ratio: 12-18
Screw types:
You can choose different structures of the screw according to different plastic material, which can increase the plasticizing effect, such asgradual, mutant, wavy, double-screen, distributary, separating, exhausting, pin type, mixed, double screws, three screws.

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Ms. Eva Yu
Tel: 86-580-8803979
Mobile: 13567431804
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Contact Method
Zhoushan Jianghai Screws Manufacture Co., Ltd
No. 599 Xingzhou Road, Dinghai District, Zhoushan, Zhejiang, China (Mainland)
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