Convergent main and auxiliary composite thread cold feed extruder screw

Zhoushan Changjia Plastic machinery Co.,Ltd.

Screw diameter:Negotiable
Application:Extruder, Injection molding machine
Material：38CrMoAlA，SACM645,42CrMo
Birthplace: Zhejiang Province, China (mainland)

Email : [email protected] Phone : +86 15957056012

Convergent main and auxiliary composite thread cold feed extruder screw Details

Material and specifications:

1, cold feed rubber screw and barrel;
Specifications; Ф40-Ф300MM
Aspect ratio; L / D = 8-20
2, hot feed rubber screw and barrel;
Specifications; Ф30-Ф250MM
Aspect ratio; L / D = 4-8
3, pin machine rubber screw and barrel;
Specifications; Ф60-Ф250MM
Aspect ratio; L / D = 12-18

Screw type:

Different plastic properties, you can choose different structures of the screw, can improve the plasticizing effect] Gradient, mutant, wave type, barrier type, double screen type, split type, separate type, exhaust type, pin type, mixed type , Double-headed, three-head, long type and so on.

Screw Use Material:

Raw materials	Finished product requirements
The finished product processing requirements 38CrMoAlA，SACM645，42CrMo	Nitriding treatment
42CrMo，AISI 4140	Electroplated hard chrome layer
Cr12MoV，SKD11，SKD61，YXMI，EFZD，DC53，SKH55，SKH59，SKH58，SKH51，SKH-9，ASP60，ASP30，ASP25，CW6Mo5Cr4V2	Sprayed bimetallic alloy layer re - nitriding treatment
Spraying bimetal alloy layer and nitriding treatment YPT72，DAC-MAGIC，4 Cr5MoSiV1	Double alloy overall coating
PM38，SI36，SUS440，9Cr18MoVH	Stainless steel, high frequency quenching
GHII3	High temperature work naturally hardened