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我厂二车间二连车床班老师傅根据多年来生产实践在加工φ55×8螺纹长度800毫米 T 型螺纹时,改进 T 型螺纹车刀,增大纵向前角,横向前面改成屋脊形负角,这样增强了刀具强度。根据螺纹齿形大小选择见下表:
I plant two workshops Erlian lathe bed master based on years of production practice in the processing of φ55 × 8 thread length 800 mm T-type thread, the T-type thread turning tool to increase the longitudinal rake, transverse front into a negative angle This enhances the tool’s strength. According to the size of the thread to select the following table: