| 摘要 |
PURPOSE: An automatic whetstone machine for sharpening a knife is provided to rapidly and precisely sharpen a knife using the rotation of a motor. CONSTITUTION: An automatic whetstone machine for sharpening a knife comprises a whetstone fixing frame and inner and outer pipe rods. Both end rods of the whetstone fixing frame are placed on a motor chamber(3-4). The bottom end of the whetstone fixing frame is connected to a motor. The inner and outer pipe rods are moved backward and forward when the motor is rotated. |
