To operate, users adjust proper width of the vamp edge, and then place the vamp between the sanding wheel and the rubber wheel on the machine.This machine grinds shoe vamps automatically.

• 操作时，只需将鞋面边缘依宽度调整，置于砂布带轮与橡胶轮之间，机器可自动将鞋面边缘磨粗。