· Edges ground are smooth & without joint.
· With grinding stone automatic exchange control
· Grinding number of circles is selectable according to the quality.
· Grinder arms increase & decrease the pressure & speed automatically
in ascent & decline.
· Grinding shapes of glass sides. (attached drawings)
· Grinding long & short sides ratio: Ellinse-3:1、 shame of athletic
ground-2.5:l、 Chamfered rectangle-2: 1