The paper narrates parts structure and technology for PLR CTR-OTR, introduces structure and character of TR-PI CAM PI die, at last also analyzes kinetic relationship between double wedge and slide block.

• 叙述了中立柱外板的零件结构及工艺分析，介绍了修边冲孔斜楔冲孔模的结构及其特点，阐述了双斜楔与滑块的运动关系。