模具设计的难点在于几个关键部位的抽芯，在此采用了斜导柱抽芯机构、和侧滑块抽芯机构等。

Difficulty lies in mold design several key parts of the core pulling, this USES a bevel pillar core-pulling mechanism, and side slider pulling mechanism and so on.

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分析了平行对称曲柄滑块机构由于两侧机构的不对称性而引起的防卡可靠性。

The reliability of the parallel symmetric crank and block mechanism caused by the non symmetry of the two mechanisms is analyzed.

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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 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.

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