2019年3月14日星期四

Solutions for PET bottle blow molding problems, Part 2.


Solutions for PET bottle blow molding problems, Part 2.



19, PET bottles are not fully /completely blown in the vertical direction
A, Causes:
   1, The temperature for the not-full part is too high
   2, Preforms cold spot on the not-full part
   3, Air pressure is not enough
   4, Air quantity is not enough
   5, Air extraction of the mold is not good
   6, Mold temperature is too high
   7, Preform is too thin
   8, Stretch ratio of the preform is not enough

B, Solutions:
   1, Reduce the temperature for the not-full part
   2, Do not touch the heated preforms body, incase the temperature drop by hand touching
   3, Increase the air pressure
   4, Increase the air quantity
   5, Increase the air extraction
   6, Use cooling water for the mold
   7, Fix the preforms mold
   8, Increase the stretch ratio in the vertical way.

http://www.sinobema.com/Difference-between-bottles-of-pure-water?article_id=197
From Sino Beverage Machinery Co., Ltd China
施诺机械设备有限公司中国
sinobema@gmail.com
www.sinobema.com 

www.sinobeveragemachinery.com
WhatsApp: 0086 137 28668423

没有评论:

发表评论

Bottling filling machinery.

Different machines/models for differnet bottles. Email: sinobema@gmail.com WhatsApp: 0086 137 2866 8423 www.sinobema.com Sino Beverage M...