The types and operating principle of the hydraulic clamp are briefly described, and the structural and parametric designs of the single jaw, normally closed compound hydraulic clamp are detailed.

简述了液压夹持器的类型及其工作原理，并对单卡瓦动作常闭型复合式液压夹持器的结构设计和参数设计作了详细的介绍。

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Heaping on the clamp force, makes the mold harder to "breathe" or vent, and over time, can permanently hob closed the vents on the parting line.

多余的锁模力，可能让模具无法“呼吸”或排气，周期超时等，对模具分模线的挤压。

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