介绍了塑胶模具复杂型腔采用CNCEDM的拷贝法和展成法加工技术，使镶拼式模腔改为整体式模腔；
Duplication and generation technologies with CNCEDM in machining complicated cavity of plastics dies, resulting in integral cavity instead of mosaic one, are stated.
分析比较了预绞丝螺旋线的特点和成型工艺，介绍了绞丝模具结构和型腔加工工艺。
The processes of corresponded moulds are introduced in order to analyze and compare the characteristic and the production process of mould of performed helix.
其切削力平稳的特性更适合于模具型腔的高速数控加工，可以克服高速加工用刀具刚性差的不足。
The cutters used in high speed machining(HSM) have poor rigidity, therefore the method fits to HSM of die cavity due to the unfluctuating cutting force characteristic.
对O形圈模具型腔精确加工中的工艺、测量及加工偏差等几个关键问题进行了分析，并针对实例进行了计算机辅助设计。
The text analyses some key problems of accurately machining of O circle mould cavity, including its technology, measurement, and machining error, and then puts forward a CAD example for it.
气辅注塑家具的加工方法是：①塑料注射，熔 融的塑料注入模具型腔，熔融热塑料遇到温度较低的模壁在周围形成薄 壁凝固层；
The production process of the inflation aided injection molded furniture includes the following steps: 1. injecting molten plastic into mold cavity to form thin wall solidified layer at the mold wall;
在球面刀具干涉处理算法的基础上 ，对模具型腔自由曲面NC三轴加工中平头刀的刀具轨迹的干涉处理技术进行了分析。
The interference problems and existing methods in 3 axis NC machining of surfaces are analyzed, and a new strategy of interference detection is proposed.
在球面刀具干涉处理算法的基础上 ，对模具型腔自由曲面NC三轴加工中平头刀的刀具轨迹的干涉处理技术进行了分析。
The interference problems and existing methods in 3 axis NC machining of surfaces are analyzed, and a new strategy of interference detection is proposed.
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