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提高薄壁注塑的技巧有哪些?

来源:http://www.maramnaga.com 日期:2019-08-29 发布人:admin 浏览次数:
塑胶件的应用范围越来越广泛,从简单的餐具,厨具到复杂的机械零部件,电子产品外壳等都有用到塑胶件,然而对于电子产品外壳等精密度要求较高的塑胶件,注塑加工在注塑制造的时候从模具制造开始就要重视其精度要求。而在塑胶件注塑加工阶段的精度由哪些因素决定,我们又该如何来提高薄壁注塑加工件的精度呢。下面济南注塑加工厂家就给大家总计一下常用的提高薄壁注塑的技巧
Plastic parts are more and more widely used, from simple tableware, kitchenware to complex mechanical parts, electronic products shell and so on. However, for plastic parts with high precision, such as electronic products shell, injection processing should pay attention to its precision requirements from the beginning of injection molding manufacturing. 。 What factors determine the precision of plastic parts in the injection processing stage, and how can we improve the precision of thin-walled plastic parts? Now Jinan Injection Molding Manufacturer will give you a total of commonly used techniques to improve thin-walled injection molding.
1,关模压:原则上应该大于塑胶射入模内的总压,以不出毛边为基准。
1. Mold closing pressure: In principle, it should be greater than the total pressure of plastic injection into the mold, with no edge as the benchmark.
2,压力和速度有部分相同的关系作用于模内的目的是使原料进入模内能均匀,彻底,适量的充满各角落.太低会短射,缩水,太高有毛头,过饱,粘模,烧焦,易损模具及内应力高等不良现象。
2. The purpose of pressure and speed acting on the die is to make the material enter into the die evenly, thoroughly and properly, filling every corner. Too low will shoot short, shrink, too high with hair, too full, viscous die, burning, vulnerable die and high internal stress.
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3,速度的快慢是决定原料在模具浇道内及成品中之状况,快有毛边,过饱,烧焦,慢了就会出现短射,缩水,结合不良易断等。
3. The speed determines the condition of raw materials in the runner of the die and the finished products. If the raw materials are burred, saturated, burnt, and slow down, short shot, shrinkage, poor combination and easy to break will occur.
4,温度原料不同,温度各不相同,太低熔胶不透而导致颜色不均,成品的内应力增大.因温度过低增压过高,可能会引起螺杆断裂,过高,产品有毛边,又因冷却而产生温差,引起收缩.原料会分解,变黄,变色,易断裂.冷却时间变长,气不容易排出。
4. Temperature raw materials are different, temperature is different, too low melt glue impermeability leads to uneven color, the internal stress of finished products increases. Because of too low temperature and too high pressure, it may cause screw fracture, too high, product with fur edge, and temperature difference caused by cooling, resulting in shrinkage. Raw materials will decompose, yellowing, discoloration, easy to break when cooled. As time goes on, gas is not easily discharged.
今天就暂且和大家聊到这里,希望这篇由济南注塑加工的小编整理知识可以帮助到您,如果您对此还有疑问,详情请咨询我们的官方。http://www.maramnaga.com
Today I'm going to talk to you for a moment. I hope this little Tidy-up knowledge from Jinan Injection Molding Processing can help you. If you have any questions about this, please consult our official for details. Http://www.maramnaga.com

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