How do we judge no magnetic force of the magnetic chuck

Encounter this problem, you must first determine the electromagnetic chuck and the machine connected

demagnetization controller is not damaged, if there is no damage, then the workpiece on magnechuck

Surface, pay attention here, to step onto the pole more than two demagnetization controller magnetization, overband magnetic separator magnetic

magnechuck If the workpiece can be sucked, such as

Fruit can not be sucked, not magnetic. General magnechuck magnetic, magnetic name tagselectromagnetic coil inside the sucker broken,

this is the most serious, it could be electromagnetic

Sucker internal wires loose, or damp, or poor contact