The expiration of large injection mold has three forms of nature expiration, artificial damage and unusual breaks.
大型注塑模具失效有自然失效、人为损坏和异常破坏三种形式。
The injection mold structure of the front shell of large screen color TV is introduced, and design of side core-pulling large slide, improvement of ejector mechanism and gating method are introduced.
介绍大屏幕彩色电视机前壳注射模结构，重点介绍侧抽芯大滑块的设计， 顶出机构和进浇方法的改进。
The reasons for filling shortage of injection molding large products were analyzed from product design, mold design, injection molding technology and other aspects.
从制品设计、模具设计、注射成型工艺等方面分析了大型注塑制品充填不足的原因，运用现代注射成型理论提出了相应的解决方法。
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