Screw diameter:Ø25~Ø250
Nitriding depth:0.5mm-0.7mm
Bimetal screw:Alloy layer hardness HRC>60
Surface layer hardness: HV960-1100
Alloy layer depth:1.2mm-2.03
Screw Straightness:0.015mm
Chrome plated screws : Chromium layer thickness:0.03-0.06mm
Surface Roughness:0.04Ra/um~0.08Ra/um
L/D:(23~30):1
Description
The new plastic wire drawing machine screw produced by Jed company has a shaft head part and a thread part, and the middle part of the thread part is provided with a mixing head. The discharging end of the thread part is provided with a mixing head. The feed end of the thread portion have double leads. The plastic wire drawing machine using the above technical scheme solves the problem that plastic raw materials can not be drawn without drying. It has the characteristics of high efficiency, energy saving and labor saving, and can ensure smooth feeding of various raw materials and uniform thickness of plastic film.
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