The utility model discloses a cable chamfer ware, it sets up the blade bearing on the supporting seat and is used for promoting blade bearing gliding thrust unit on the supporting seat to include thesupporting seat, slide, and the supporting seat includes strip base frame and the perpendicular gyro wheel support that sets up in strip base frame one end, and the axial is provided with the spout onthe up end of strip base frame, the lower extreme of blade bearing insert perpendicularly in the spout and with spout sliding connection, the one end that the strip base frame was provided with the gyro wheel support is provided with the screw hole that is linked together with the spout, thrust unit includes the lead screw and sets up the adjusting knob in lead screw one end that the free end oflead screw rotates with the lower extreme of blade bearing to be connected, from the top down has set gradually first gyro wheel and second gyro wheel on the gyro wheel support, and first gyro wheel,second gyro wheel and blade constitute the three point support mechanism that is used for the carrying cable surface, this device simple structure, low cost can improve work efficiency and the chamferquality of staff when carrying out cable chamfer operation.