介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。
The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.
该系统的通用模块是译码模块、人机交互模块、刀具轨迹仿真模块等，它们适用于各种结构并联机构。
The nc system's universal modules include the decipher module, the human-computer interaction module and the tool track simulation module which can be used in common by parallel mechanisms.
该技术在机电液通用仿真系统的元件模型库创建中得到应用，友善性良好。
The technology can be applied in creating components model base in the general simulation system of the mechanism, electron, hydraulic pressure, and has high friendliness.
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