Vacuum Chuck for Surface Grinder

Vacuum Chuck for Surface Grinder, It comes in two shapes. One is rectangular, used on a rectangular surface grinding machine. The other is round and used in rotary surface grinding machines. Using one independent valve in every suction hole. When the surface of the suction hole is not covered by the workpiece, the internal valve of the suction hole will automatically close. When the surface of the suction hole is covered by the workpiece, the internal valve of the suction hole will open. The air pressure difference is formed on upper and lower sides of the workpiece, the workpiece is firmly sucked on the surface of the vacuum chuck. The built-in valve is a non-spring valve to ensure that the vacuum chuck will not fail in the face of a lot of powdery debris from the grinding of ceramics, quartz, glass, glass fiber and other workpieces. It is also a good solution for non-magnetic thin sheet workpieces that cannot be clamped with magnetic chuck. Can be used in water surface grinder and dry surface grinder.