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Zhangjiagang Chenxing Machinery Co., Ltd.

Screw, Twin Screw, Screw Barrel manufacturer / supplier in China, offering Twin Conical Screw Barrel -2, HDPE Multilayer Composite Pipe Production Line, Spring Loading Machine for PVC Powder (ZJF) and so on.

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Supplier Homepage Product Others Twin Conical Screw Barrel -2

Twin Conical Screw Barrel -2

FOB Price: Get Latest Price
Min. Order: 1 set
Production Capacity: 30, 000sets/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Trademark: JH
  • Origin: Zhejiang of China
  • Specification: International Standard
  • HS Code: 84779000
Product Description
Technical Parameter:
1. Material is 38CrMoAlA, tempering hardness: 260-290HBS, Metallurgical structure: More than 95% sorbite, crystal particle degree: 6-8 grade, Nitridation layer depth: 0.4-0.7, Nitridation rigidity on surface: 940-1050HV, brittleness less than 2 grade; Linear degree meet national rubber&plastic machinery industry standard; Roughness degree: The surface which is touched with material shall be processed with fine honing, and the fine polishing can reach Ra value of 0.4-0.2; The screw spray welding's nickel-base alloy+WC, thickness: 2.6-3mm; Hardness: HRC62± 2, without crack and flaw; Make bottom part nitridation treatment;
2. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.4
3. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;
4. Diffluencece combing, backflow parts material: Imported SKD61 quenching hardness: Above HRC55 or double alloy structure;
5. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;
6. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;
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