Contact Us

Zhejiang Jiayue Machinery Manufacturing Co.,Ltd
Add:No.7 Changxin Road, Yancang Subdisctrict, Dinghai, Zhoushan, Zhejiang, China
Tel:+86-0580-8808828
Fax:+86-0580-8808829
Mobile: +86-15958098091(Wechat, WhatsApp)

Contact Person: Jade Le

E-mail:Jiayuescrew@aliyun.com

Cause Of Screw Break

- Sep 26, 2018 -

1. The screw itself is of poor quality.

2. The temperature of the barrel is set low, and the shearing force of the screw rotation is too large.

3. The length-to-diameter ratio of the screw is not suitable and is large.

4. There is a problem with the screw installation

5. There are too hard metal or non-metallic impurities in the raw materials used.

6. The injection molding machine is cold-started, and the viscosity of the raw material in the barrel is too high.

Single Screws .jpg

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