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精密的或淬硬的花键轴,一般要用专门的花键轴磨床作最后精加工。我厂在加工一批汽车变速箱花键轴时,由于没有花链轴磨床,发生了困难,经小组同志研究后改装了一台3A64型工具磨床而得到解决。具体改装见附图,将工件安装在机床原有的头尾架之间,在头架顶尖上装一旧的插齿刀6作为分度盘,并在头架上加装—插肖座3,由插肖5将插齿刀定位。利用机床原有砂轮经适当修整后,即可进行磨削。磨完一槽后把插肖5拔出,并把工件连同插齿刀6转过一个等分,再将插肖插入,即可磨第二槽。这样继续下去,直到全部花键槽磨削完毕为止。利用此装置磨削的工件,其分度精度可达0.015
Precision or hardened spline shaft, usually with a special spline shaft grinder for final finishing. I plant a group of automobile transmission spline shaft, because there is no chain shaft grinder, a difficult situation, the group comrades studied after the conversion of a 3A64-type tool grinder and be resolved. The specific modification see the attached drawings, the workpiece is installed between the original head and tail of the machine frame, the top of the head frame installed an old gear shaper 6 as a sub-index plate, and the head frame to install - plug sockets 3, Insert pinion 5 by insert pinion knife positioning. The use of the original grinding wheel machine after proper trimming, you can carry out grinding. After grinding a slot pull the plug Shaw 5, and the workpiece with the gear shaper 6 turn an equalizer, and then inserted into the shaw, you can mill the second slot. This continues until all the spline grooves have been ground. With this device grinding workpiece, the indexing accuracy of up to 0.015