Theprofessional automatic valve type multi-hole vacuum table(Professional Vacuum Table), we can also call it non-gasket vacuum table. Used in CNC machining centers and engraving machines, There is an independent automatic 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 automatically closes. When the surface of the suction hole is covered by the workpiece, the internal valve of the suction hole opens. Form an air pressure difference on the upper and lower sides of the workpiece, and the workpiece is firmly sucked on the surface of the vacuum table. The Irregular shaped thin sheet workpiece can also be sucked easily. Even though the workpiece is milled through, which does not affect the normal work of the suction hole in other places that are not milled through. The internal valve is a non-spring valve, to ensure that the vacuum table suction hole will not be blocked in the face of a lot of powdery debris which produced by ceramic, quartz, glass, glass fiber and graphite. The comprehensive suction force is higher than that ofPrimary Vacuum Table, but lower than that ofPremium VacuumTable.