Permanent Chuck Magnet – Oil Proof For Surface Grinder & EDM

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Permanent Chuck Magnet – Oil Proof For Surface Grinder & EDM  Specifications:
Model: MP-PMF Series
Use: General purpose low profile grinding magnet
Features:
PMF with pole pitch 0.5+1.5 mm
Highest uniform magnetic clamping force up to 120 N/cm²
Coolant and water proof structure
Easy to activate and de-activate
High precision with no residual magnetism

This Magnetic Chuck is made of copper material, with a powerful magnetic force, mainly used in various surface grinding machine, tool grinding machine as a workpiece positioning processing. The magnet’s handle features a lock-on/lock-off mechanism that requires no electricity. Rectangular Permanent Magnetic Table / Chuck for Surface Grinder

Permanent Magnetic Chuck is an ideal choice for general surface grinding and light milling EDM applications. It adopts high quality neodymium magnets as the power core, which provides a clamping force of 120N/cm², make the grinding process safe and convenient.

For small and thin workpieces, we have 0.5+1mm ultra fine pole pitch version, which maintains a low magnetic penetration to the work piece. This allows for superior holding of thinner workpieces.

And for medium and large parts, we prepared 0.5+1.5mm ordinary fine pole pitch and 1+3mm coarse pole pitch.  Permanent Magnetic Grinding Chuck

we offers a wide active work area range from 70mm*160mm to 400mm*600mm, can be fitted on most sizes of surface grinders.

Features of Permanent Magnetic Chuck

As we know the biggest difference between a permanent and an electromagnetic chuck is the way they generate the magnetic field. And the independence from electrical power of permanent magnet chucks brings them below advantages:

Less power consumption;
Easy installation and transfer from one to another;
Uniform magnetic field, and will not cause danger due to the sudden power failure;
Will not generate heat, which can cause deform of some precision workpiece.

However, permanent magnetic chucks also have below disadvantages:

Due to their mechanical magnetic switch control, not efficient for automated work;
Due to the nature of the magnet, it is not suitable for processing parts with a temperature higher than 80°C.   Powerful Sealed Magnetic Rectangular Chuck for Grinding Machine

Unit: mm(in)