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我厂某产品中的调整圈,其特点是薄而精度要求较高,见图1。由于工件太薄,在加工时极易变形,我们经过摸索、试验最终解决了磨削中工件变形问题,同时还大大提高了工效。现将具体加工方法介绍如下: 最初我们在普通平面磨床上加工,砂轮选用白刚玉,粒度180号、砂轮外径400mm。磨削余量0.3mm,横向进给量0.1mm,垂直进给量为0.03～0.05mm,当厚度磨至0.4mm左右时,因翘曲变形太大,无法继续加工。分析其原因,主要有下列几点:
I adjust the product in a circle, which is characterized by thin and high precision requirements, shown in Figure 1. As the workpiece is too thin, very easy to deformation during processing, we groping, the test finally solved the deformation of the workpiece in the grinding, but also greatly enhance the work efficiency. The specific processing methods are introduced as follows: Initially we are in the ordinary surface grinder processing, white corundum grinding wheel, particle size 180, wheel diameter 400mm. Grinding allowance 0.3mm, horizontal feed 0.1mm, vertical feed 0.03 ~ 0.05mm, when the thickness of grinding to about 0.4mm, due to warping deformation is too large, can not continue processing. Analysis of the reasons, mainly the following points: