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Help CenterScrew and Barrel for Film Blow Moulding Machine
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Specifications
Screw and barrel for blow molding machine, Extruder screw and barrel , feed screw.Customized Specifications are Accepted.New feed screws for the injection molding, blow molding or extruder machines would be
manufactured to exacting OEM specifications. Our feed screws in all configurations and
options are available up to 10" in diameter and over 200" long.
The propertise are summarized ;
1. Materials: 38crmoALA(this kind of material is applicable to double alloy and common molding screw), 42CrMo, SKD61(this material is abrasion resistance), SACM425, stainless steel(this kind of material is corrosion resistance, and applicable to PC,PVC, transparent material), and so on.
2. Treatment; quenching, nitriding,blackening, electroplated hard-chrome (according to clients' requirement).
If you have any questions or want more details of our products, please contact with us.
3.Technical parameter:
1):Depth of Nitration Layer:0.5-0.8mm
2):Hardness of Nitration:900-1000HV
3):Fragility of Nitration:Less than grade 1
4):Roughness of the surface:Ra0.4
5):Straightness of the screw:0.015mm
6):Surface hardness of Nitrated Cr coating Layer:≥950Hv
7):The thickness of Chrome-plating layer:0.025-0.085mm
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