Model QJ877D ,Straight Circular Edge Glass Grinding Machine is developed by customers’ new requirements. Its nip&transmission parts and up parts all use timing belts reducing glass grinding broken rate and scratch rate. Grinding parts choose composition type wheels and polishing wheels which can be adjusted up and down, right and left. .Rough and fine grinding, polishing will be finished at one time. Its smallest width is 25mm, the smallest thickness is 1mm. It is the highest precision rounding glass grinding machine in the international market.