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zhichengjin company has been adhering to the iso management system for production and manufacturing.
2019-01-03
on october 30, 2014, the company passed the iso9001:2008 quality management system standard requirements.
热流道厂家志成金:高温下的注塑压力问题分析
2019-07-19
热流道厂家志成金厂家告诉你:热流道系统中的注塑压力损失不可忽视。许多热流道模具客户有一种误解:位于热流道里的塑料溶体一直是热的,因此热流道的注塑压力损失比冷流道要小很多。其实不然,为适应热流道结构设计的需要,溶体在热流道系统里的流动距离会大大增加,因此热流道系统中的注塑压力损失也不可小窥。在实际应用中,由于热流道系统中……
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