Be used for processing special milling cutter of governing valve inner wall chamfer

The utility model provides a be used for processing special milling cutter of governing valve inner wall chamfer, it relates to a milling cutter. The utility model provides a governing valve inner wall chamfer because the restriction of processing position and working space can't adopt normal processing mode to carry out the problem of processing. Teper -shank (1) is no. 3 teper -shanks of mo shi,the tip processing of teper -shank (1) has the tang, there is location waist hole at the middle part of teper -shank (1) along its length direction processing, milling cutter tool (2) are four toothstructure cutters, four teeth of milling cutter tool (2) set up along the circumferencial direction equipartition, milling cutter tool (2) are the anti - bladed knife structure of signing an undertaking, milling cutter tool (2) cutting edge is located the cutter inboard, the anterior angle of milling cutter tool (2) is 3~8, the relief angle of milling cutter tool (2) is 10, the radius (R) of milling cutter tool (2) slot is