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Product Application
Application
PVC profile（door&window）、WPC（PVC, PE）、PVC foam board、PVC pipe、PVC compound etc.
Specification
φ35/75 φ40/84 φ45/90 φ45/97 φ45/100 φ50/105 φ51/105
φ55/110 φ55/120 φ58/125 φ60/125 φ65/120 φ65/132 φ68/147
φ72/151 φ80/143 φ80/156 φ80/174 φ92/188 φ95/191 φ105/216
Products Description
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Production Process&Inspection
4. Borning barrel inside
5. Barrel feeding hole
6. Barrel holes punching
Barrel inside hardness will be checked after hardening & tempering and nitriding.
Screw hardness will be checked twice after heat treatment.
Each size will cheked during production and once again after finish.
Our heat treatment
72 hours hardening & tempering,hardness is HB280-320.
120 hours nitriding,hardness is HV900-1000.
Alloy Hardness:HRC 50-65
Alloy Depth:0.8-2.0mm
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Main Product:
Screw Barrel,
Conical Twin Screw Barrel,
Plastic Extruder Machine ,
Parallel Twin Screw Barrel,
Injection Screw Barrel,
Bimetallic Screw Barrel
