surface grinding magnetic chucks
- TOP 3 Technologies

surface grinding magnetic chucks

Permanent Surface Grinding Chucks

No electricity is needed for a permanent magnetic chuck. These surface grinding magnets are activated mechanically.


Electromagnetic surface grinding chucks

The main advantage to this type of chuck on a surface grinder is being able to feather the magnetic strength variation up or down.

Fine pole electro-permanent magnetic chuck type epefine2

electro-permanent surface grinding chucks

You know the importance of keeping your part cool. Use as a Surface grinding or Sinker EDM magnetic chuck. Produces zero heat.


Magnetic TechnologyAdvantagesDisadvantages
ElectromagneticStrong and deep magnetic field, adjustable magnetic force with use of a potentiometer, easy to turn on and off, great option for junk yard magnets and certain surface grinding applicationsHigh power consumption, requires a constant power source, can generate heat during use, potential for electromagnetic interference
ElectropermanentStrong and powerful holding force, does not require a continuous electrical source, does not generate heat, adjustable magnetic force via remote control, easy to turn on and off, great option for all workholding and many lifting applicationsCan be more expensive than some electromagnetic systems and regular permanent magnets
PermanentNo power source required, lower cost, low maintenance, no risk of electromagnetic interference, long-lasting magnetic forceFixed magnetic force, may not be strong enough for some applications, may not be suitable for all workpiece shapes and sizes, difficult to turn on and off
Each Technology has its upside and down side, it is important to pick the right one for your application. Braillon Magnetics manufactures all 3 technologies for the manufacturing industry. Give us a call today and we will put you in the right directions.

Permanent Surface Grinder magnetic chucks

surface grinding magnetic chucks

fine pole permanent magnetic chuck TYPE PF2

The PF2's are our top selling permanent magnetic chucks for grinding , available in multiple sizes. A brass and steel fine pole top plate. Made with very strong rare earth magnets.

Permanent magnetic chuck on sine table


This is our state of the art, a fine pole permanent chuck. Available on a customized sine table or double sine. Angle the magnet to your specific needs.

Electromagnetic surface grinding chucks


Type ICA

A classic electromagnet for your surface grinder. it comes in 3 standard pole pitches of 13, 18 and 25mm. Uniform force over full top plate.

Fine pole electromagnetic chuck type BJP


The BJP is often considered the rolex of electromagnetic chucks for surface grinding due to the many coils it is was designed with.

Electromagnetic chuck type EMU for surface grinding


The EMU is a superb fine pole electromagnet. Great for thin and small parts due to its 5mm pole pitch made of 1mm brass and 4mm of steel.

Electro-permanent surface grinding chucks



The EPICA is the electropermanent version of the ICA chuck as seen above. Available in 13/18/25mm pole pitches.

Electro-Permanent Magnetic chuck type BLU for surface grinding


A great 19mm pole pitch for this BLU electro-permanent magnetic grinding chuck. A great option for your surface grinder.

Fine pole electro-permanent magnetic chuck type epefine2


5mm fine pole magnetic chuck. The Epefine2 is top of the line when it comes an electro-permanent option for thin or small parts.

Control units



Need to know if you your chuck is still in good? Give us a call about testing.

What is the use of magnetic chuck in surface grinding?

It is used to hold a workpiece in place while it is being ground on a surface grinder. This is a machine tool that uses an abrasive wheel to smooth the workpiece. The magnetic chuck provides a secure and stable grip on the workpiece, allowing it to be held in place while it is being ground to the desired shape and size. They come in various sizes and configurations to accommodate different types of workpieces and grinding applications. The use of magnetic chucks in grinding improves the accuracy and efficiency of the grinding process, as it eliminates the need for manual clamping and reduces the chances of workpiece movement during grinding.

Does a magnetic chuck produce heat?

Electro-Permanent Magnetic chucks do not generate heat on their own. However, with certain electromagnets, heat generated by the coils can be transferred to the customers part and cause some distortion. In such cases, it is important to monitor the temperature of the magnetic chuck and take appropriate measures to cool it if necessary, such as using a cooling system or allowing it to rest between grinding cycles. Some electromagnetic chucks are designed with heat dissipation features to help reduce the buildup of heat during prolonged grinding operations. However, the best option is to use an electro-permanent magnetic chuck as there is zero heat produced by the magnet itself.

What it is the difference between electromagnet and electro-permanent magnetic chucks?

Both types of magnetic chucks are used to hold workpieces in place during the Grinding operation. However, they differ in the way they generate and maintain the magnetic field that holds the workpiece.An electro-permanent magnetic chuck uses a combination of electrical and permanent magnetism to generate and maintain the magnetic field. It has a permanent magnet core and a coil of wire around it. When the coil is energized with a pulse of electrical current, it creates a magnetic field that attracts the workpiece to the chuck. When the electrical current is turned off, the permanent magnet retains its magnetic field, allowing the workpiece to be held securely in place.An electromagnetic chuck, on the other hand, generates its magnetic field solely from electrical current. It has a coil of wire that, when energized, creates a magnetic field strong enough to hold the workpiece in place. The strength of the magnetic field can be adjusted by controlling the amount of electrical current flowing through the coil. However, when the electrical current is turned off, the magnetic field disappears, and the workpiece is no longer held by the chuck.Both types of magnetic chucks have their own advantages and disadvantages. Electro-permanent magnetic chucks provide a more secure and stable grip on the workpiece, as they can hold it even when the electrical power is turned off. They are also more energy-efficient as they require power only during the actuation and de-actuation of the magnetic field. On the other hand, electromagnets have the advantage of being able to adjust the strength of the magnetic field, making them suitable for a wider range of applications.

What surface grinders are these installed on commonly?

Horizontal-spindle (peripheral) surface grinders are one of the most common types of surface grinding machines used in the manufacturing industry.These machines have a horizontal spindle that operates with a grinding wheel that rotates on its own axis. The workpiece is held in place on a magnetic chuck or a vacuum chuck and the grinding wheel moves back and forth across the workpiece to remove material.These machines are typically used for grinding large flat surfaces, such as the top of a cast iron table or the top of a steel plate. They are also used for precision grinding of smaller parts, such as die plates, gauges, and precision shafts.One advantage of horizontal-spindle surface grinders is that they are capable of grinding large surfaces with high precision and accuracy. The horizontal orientation of the spindle and the grinding wheel allows for a larger grinding area than other types of surface grinders. Additionally, the use of a magnetic chuck or a vacuum chuck to hold the workpiece in place allows for easy and precise positioning of the workpiece.However, one disadvantage of horizontal-spindle surface grinders is that they are not as versatile as other types of surface grinders. They are typically only used for flat surface grinding and are not well-suited for grinding complex shapes or features. Additionally, the horizontal orientation of the spindle can make it difficult to grind parts with deep recesses or small features.