问题 问答题 简答题

找正模具间隙的方法有哪些?分别简述其做法。

答案

参考答案:

(1)测量法:将凸模和凹模分别用螺钉固定在上下模板的适当位置后,将凸模合入凹模内,然后用塞尺检查凸模和凹模间的间隙。

(2)透光法:用灯光透过凹、凸模之间的间隙,观察透过来的光线的强弱,判断间隙的大小。

(3)试切法:当凸、凹模之间的间隙小于0.1mm时,可以在其装配后,用薄钢板或纸板进行试切,根据切下的制件四周毛刺分布是否均匀一致,可判断出模具间隙是否合适。

(4)利用工艺定位器来调整间隙:根据模具结构,可做成各种样的工艺定位器来调整间隙。

(5)镀层法和涂层法:就是在凸模的工作表面镀或涂上一层较软的材料,使其达到配合尺寸要求。

阅读理解

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判断题