给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
设计了摆钩分型式、弹簧分型式、导柱定距式等双分型面模具的定距分型机构。
Given-distance parting mechanism in the mould with bi-parting surface was designed including pendulum-hooked parting, spring parting and given-distance leader parting.
前言：为了保证一种既有斜齿轮又有直齿轮零件在注塑成形后能顺利脱模，给出了一套一模两位，点浇口进料，旋转脱模，胶套式二次分型的双分型面注射模的设计。
To make sure that a plastic part with helical gear and spur gear can be demoulded successfully, an injection mould is designed with double parting faces, point gate feeding and rotating demould.
前言：为了保证一种既有斜齿轮又有直齿轮零件在注塑成形后能顺利脱模，给出了一套一模两位，点浇口进料，旋转脱模，胶套式二次分型的双分型面注射模的设计。
To make sure that a plastic part with helical gear and spur gear can be demoulded successfully, an injection mould is designed with double parting faces, point gate feeding and rotating demould.
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