采用链条传动，适用于加工各种平板玻璃的直线平底边及棱角，且调整玻璃加工厚度时，前倒棱磨头能随前梁同步移动。

　　Chain transmitting，suitable for straight-line edging with arris for various flat glass. Front arrisspindles moving with the fore beam synchronously when processing various thickness ofglass.