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.
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 spline tube differs greatly from the spline shaft parts in the cold roll forming process, which has a complex process with large blank deforming quantity.
花键管冷滚轧精密成形过程不同于花键轴类零件，其坯料金属变形量大，成形过程较为复杂。
This paper expounds the test results of the freezing Process of sea water, the excessive cold temperature of sea water, the frozen water temperature, sea water frost heaving force and the tube strain.
文中介绍了管内海水冻结过程、海水过冷温度、结冰水温、轴向冻胀力以及管体应变测量结果。
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