Sample screw barrel parameter:
Screw Size: D60*1893mm
Barrel Size: D120*1685mm
Design for: PET
L/D :27:1
In order to cool the screw barrel well, we process circular groove on the whole barrel.
In order to make the plastic material well-proportioned, we design mixing section on the screw
Tteatment of this set: Nitrided.
Depth of Nitrated Layer: 0.5-0.8mm
Heat treatment: Nitriding 96 hours
Fragility of nitration: Less than grade 2
Hardness of nitration:HV900-1060 (HRc56°-65°)
Roughness of the surface:Ra 0.4μm
Screw straightness: 0.015mm/m
Chrome plating thickness: 0.01-0.1mm
Alloy Hardness:HRC58-62
Alloy Depth:>2mm
Common Nitrided:1-2years;Bimetallic: much longer lifetime.
Inspectionfor screw barrel:
Our bimetallic and nitrogen oven:
Our Certificate:
Our Company:
As the best supplier in China,HUACHEN SCREW aslo make any specifcationof screw barrel for Haitian, Demag, Engel, Klauss maffei, Battenfeld,Nigro bossi,Arburg, NPM, BOY, Husky, Fanuc, Billion, Sumitomo, NipponSteel,Toshiba, Nissei, Toshiba, Mitsubishi KMD,Cincinati,Battenfeld etc.
Any questions, please send me mail or talk with me on line. SKYPE: lillianyao0421
