rolling earth dam

This paper expounds the conditions and features of plastic deformation of the rediairolling ring, anaiyses the instantaneous maximum of the screwdown and derives the calculatingformulas for the rolling time and the feeding speed.

本文论述了径向辗环的塑性变形条件及其特点，分析了瞬时极限压下量，导出了辗压时间、进给速度的计算公式。

By using some simplification assumptions,a theoretical analysis of the local rolling forming load for the discal parts is presented.

在某些简化假设条件下,对盘型件局部辗压成形的载荷及其影响因素进行了理论分析。

CAD system development of rotary forging deformation process;

摆动辗压成形工艺CAD系统的研制

Preliminary FEM analysis of four-column rotary forging machine frame;

四柱式摆动辗压机机身有限元分析探讨

Research of precision form mechanism by torsion vibro-rotary forging;

扭转振动摆动辗压精密成形机理研究

Through analysing the course of metal deformation and the geometric relation when rolling, and according to the stress and strain theory of metal plastic deformation and rolling condition, we compute the rolling force and power and compressive quantity and operating time, which have practical value for the production technique.

通过分析辗压时的金属变形过程及其几何关系，根据金属塑性变形的应力应变原理及轧入条件，进行辗压力、功率、压下量及生产工时计算，对生产工艺有实用价值。