conical twin screw for extrusion for PVC

Specifications

Hardness after hardening&tempering:HB240-280

Hardness of nitride layer:HV850-1000

Nitrided brittleness:less than grade 1

Surface roughness:Ra0.4

Screw straightness:0.015mm

Surface chromiun-plating’s hardness after nitriding:≥900HV

Alloy hardness:HRC50-65

Alloy depth:0.8-2.0mm

Meterial&processes

Quality 38 CrMoALA

42CrMo

CW6Mo5Cr4V2

9Cr18MoV

Quality powder metallurgy raw materials

Cold/thermal spray hard metal process

Advanced nitriding process

Corrosion & abrasion resistance bimetallic spraying process

 The compression ratio of the screw canbe designed according to different products and mixtures.

As a professional manufacturer and supplier of screw and barrel, we can make any specifcation of injection molding screw barrel for Haitian, Demag, Engel, Klauss maffei, Nigro bossi, Arburg, NPM, BOY, Husky, Fanuc, Billion, Sumitomo, Nippon Steel, Toshiba, Nissei, Toshiba, Mitsubishi etc. We also can supply all types of screw and barrel according to clients' requirements.

If you have any inquiry, do not hesitate to inform us.

Rubber screw barrel has been presented above, want more similar products, please click Rubber screw barrel. 
    Our Rubber screw barrel is good in quality and competitive in price. We manufacture Rubber screw barrel and supply OEM, ODM service according to your requirement. 
    If you want more detailed information of this product or related problems, please contact with us, we will reply as soon as possible (general in 24 hours). 

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