巴赫曼空模块LM201，LM201

LM201

LM201

凸模的固定安装方式

凸模的安装是在凸模固定板上进行的，有定位与固定两方面的要求。凸模定位是通过凸模与固定板上孔的配合来实现，固定可通过挂肩、螺栓、铆接、环氧树脂胶、侧销、横销和压板等完成。直通型凸模由于外形不规则，所以需要在安装部位加设一个长方体的凸模镶件进行辅助。

固定板固定凸模位置与凸模刃口工作位置有距离，易使凸模失稳造成失效，如果凸模刃口尺寸较小，根本不可能正常量产。凸模做成压板固定时加设一个卸料镶件，凸模穿过卸料镶件与凹模进行冲裁时，卸料镶件可以引导凸模进入凹模，保护凸模免受侧向力。

该凸模与卸料镶件的单边间隙设计成0.003～0.005mm甚至更小，凸模工作时露出卸料镶件3mm左右，不易受到损害。凸模安装部位尺寸设计成与固定板方孔尺寸一致或者略小一点，压板槽比固定板低0.02～0.05mm，让凸模在固定板里有一点活动余地，真正定位依靠卸料镶件，避免固定板与卸料镶件二者定位产生相互干涉。

由于卸料镶件定位处就是凸模刃口工作位置，因此效果佳。卸下压板螺钉，拔出压板就可以取出凸模，凸模拆卸方便，能实现凸模的快速保养与维修。

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