abyssal injection

Depending on the sheet metal forming properties experiment testing system, the relationships between friction and lubricant of automobile plate drawing forming were studied using a physical simulation.

借助板料拉深成形性能实验测试系统 ,应用物理模拟的方法研究了覆盖件拉深成形过程中摩擦与润滑的关系 ,并通过自行配置的油基润滑剂和水基润滑基研究了汽车覆盖件拉深成形过程中压边力与不同润滑状态的关系 。

The study of load curve of critical wrinkless variable blank holder force in the process of deep drawing cylinder parts;

圆筒件拉深成形临界防皱变压边力加载曲线研究

Technology and die design for the deep drawing of the reflector of light vehicle headlamp reflector;

轻型车前照灯反光镜拉深成形工艺及模具设计

Analysis of nonaxisymmetric phenomenon of titanium alloy cupulated specimen in deep drawing process;

钛合金杯形件拉深成形非轴对称现象的分析

The hypometamorphism can be invided into persistent depositi.

深成变质可以划分为持续沉积变质阶段、回返褶皱继续变质阶段和回返期后继续（停止）变质阶段，具有长期性发展和阶段性变化的特点；根据岩浆侵入深度，区域岩浆热变质可划分为浅成岩浆热变质和中深成岩浆热变质，前者煤变质带分布主要与岩浆热液通道相关，后者主要受煤层与岩体之间的距离影响，深成变质奠定了鸡西煤变质的基础，而区域岩浆热变质是煤田形成大部分中、高变质程度烟煤的主要原因。