Features of gear cutters

Writer： admin Time：2024-01-29 13:31:40 Browse：78℃

    Like hard alloy scraping cutters used for hard tooth surface machining, hard alloy slotting cutters used for hard tooth surface machining are also made in the form of top edge negative rake angles, allowing the cutting edges on both sides to obtain corresponding negative rake angles, and the slotting process has the characteristics of oblique cutting. This cutting characteristic is not only successful in hard gear hobbing, but also equally effective in hard gear hobbing. The experimental results indicate that as the negative rake angle of the top edge increases, the wear after cutting decreases.

Based on the results of the hard tooth surface hobbing experiment and the experience of hard tooth surface hobbing, the hard alloy hobbing cutter used for hard tooth surface machining should use a larger top edge negative rake angle. However, unlike the hard alloy scraping cutter, in order to ensure the shape accuracy of the cutting edge of the hobbing cutter, the manufacturing and inspection conditions of the hobbing cutter do not allow the use of a larger top edge rake angle. In order to balance the tooth shape accuracy and cutting performance of the hard alloy hobbing cutter, The front angle of the top blade is generally selected as -5 °