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Features:
·Suitable for light cutting progress of small vertical plane grinder,outside cylindrical and internal grinder.
·No power supply, easy to operate,
·no heating deformation,no affection at the processing accuracy
·Suction up to 180 N/cm2.
| Suitable for clamping of various workpieces without deformation | 1 | Clamping tends to deform the workpiece |
| Uniform suction, improve processing accuracy | 2 | During the machining process, the workpiece generates vibrations, which reduces the machining accuracy and the surface flatness. |
| Accurate positioning, convenient clamping | 3 | Difficult clamping and inaccurate positioning reduce work efficiency |
| No interference position, workpieces can be fmachined on five sides at one time | 4 | clamping with processing interference positions, workpieces can not be processed in one operation |
| Item | Permanent magnetic chuck | Electromagnetic magnetic chuck | Electro permanent magnetic chuck |
| Magnetic source | NdFeB | Coil and core | NdFeB,Alnico |
| Magnetic force principle | Internal magnetic fields | Constant current | Conversion by electronic control device |
| Control method | Manual | Electric control device | Electric control device |
| Precision | About 0.02-0.05 (the error increased by sizes) | About 0.02-0.05 | About 0.002-0.005 |
| Potential risk | safe | Prone to security incidents | Absolute safe |
| Magnetic regulation | Unable to adjust | Electric control device to adjust suction | Electric control device to adjust suction |
| Residual magnetism | Few remanence | Few remanence | Automatic surface demagnetization |
| Thermal deformation | None | Few heat generation and thermal deformation after continuous power o n | None |
| Serive life | 6-10 years | 3-5 years | Above 10 years |
