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Zhejiang Jinhai Plastic Machinery Co., Ltd. [Zhejiang,China] Business Type:Manufacturer , Trade Company Main Markets: Africa , Asia , Europe , Middle East , North Europe , Oceania , Worldwide Exporter:61% - 70% Certs:ISO9002, CE
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Zhejiang Jinhai Plastic Machinery Co., Ltd.

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screw damage causes

2022-05-13
Screw damage causes:



The temperature of plasticizing of raw materials is low.



The material mixed with metal foreign matter or raw material impurities.



The screw running time is too long.



manufacturing screw material selection is not reasonable.



The screw manufacturing accuracy is low, the thread working face heat treatment hardness is low.

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