1、little suction, suction cup |
A、used for a long time, magnetic aging
B、due to various reasons lead to chuck table
C、chuck great, small workpiece
D、workpiece, low permeability
E、milling, planing in processing work-piece displacement |
A、back to factory for repair
B、check regularly, after a period of use for surface grinding
C,D、selection of very dense type permanent magnetic chuck or very dense type electromagnetic chuck
E、external processing fixture or baffle plate adopts the strong permanent magnetic chuck |
2.no suction suction |
A、internal structural damage, can generate a magnetic field, so no suction
B、a workpiece is a non-magnetic materials |
A、back to factory for repair
B、permanent magnet sucker cannot hold |
4. Chuck has remanence |
A、the workpiece in the retention process resulting in magnetic
B、since the process of cooling liquid so that the workpiece is adsorbed on the suck。 |
A、on the workpiece demagnetizing
B、promote the workpiece to move |