Circular Permanent Magnetic Chuck

What are circular permanent magnetic chucks?

In order to maximize the gripping force and for easy release, circular magnetic chucks use ceramic magnets as a foundation to build the whole device. The rest of the tool is usually made up of steel plates. In the device, the concentric ring works like a key to achieving maximum resistance to coolant. Also, with the help of it, the accuracy of the working process can be assured as well. The workpieces on the chuck can thus be operated in a more stable model. Removable handles are also used in the circular permanent magnetic chucks.

However, there is surely a lot of types of similar products on the market. How can the customers choose the best one for themselves? Here are some facts about circular permanent magnetic chuck that can help customers to make better and smarter decisions. For further information, please read the following content.


Operation

Magnetic force is what the circular permanent magnetic chucks use to hold workpieces in place. The mechanisms work by inducing magnetic polarity into the ferrous work material. Thus, the magnetic connections are built within the chuck. Because of the electromagnetic power, a workpiece induces flux when it is placed across the poles of the magnet. And since the ferrous components have poles, the opposite polarity attracts to each other. When applying magnetic force on the workpieces, amplifying and controlling the induced flux is what users have to put the focus on.

If users want to increase the gripping force or the attraction of the pull of the tool, they can achieve the goal by closing the gap between the workpiece and the magnet. For workpieces with smoother surfaces, they can be held more tightly compared to those have a rougher surface. The strength of the magnetic attraction increases as the amount of magnetic flux gradually develops into the workpieces.


Features

1. Work holding device for surface grinding machines
2. There is a separate coil for each pole.
3. Magnetic flux is generated as the pole being introduced.
4. A finely adjusted pitch can help the holding work on thin or small objects.
5. Max holding/gripping power: 170 LBS per square inch.


Advantages of circular permanent magnetic chucks

One of the circular permanent magnetic chucks is that there is no heat generated during the work. Thus, the risk of deformation is gone. The safety of the whole device and the life of the pole plate and workpieces are secured. The other advantage is that during the use of the tool, the level of danger is really low since the design of the tool has been undergoing a million times of tests. Also, since there is no heat generated, the danger of having an over-heated working plate is eliminated. Higher gripping power is what circular permanent magnetic chucks stands out the most. Usually, the gripping power of the tools is about 170 to 180 pounds/square inch. Compared to a traditional permanent magnetic chuck, the holding power of a circular permanent magnetic chuck is almost 8 times more.


Specifications of circular permanent magnetic chuck

When selecting an expensive tool like this, it would be best for buyers to consider the specification of these products. The following terms can help customers to understand more about the products.

1. The geometry determines the number of workpieces that can fit on the chuck.

● Round chucks:
They are used for applications that require the workpiece to be rotated during machining

● Rectangular/square chucks:
Because of its supreme ability to hold many workpieces, theses circular permanent magnetic chucks are used for most applications.

2. Holding force (or gripping force) defines the force that holds the workpiece to the chuck.
3. When replacing, designing, or buying a new machine, the compatibility of the new device with existing equipment or tools is important. If the new devices do not work along with the machine, the value will be wasted.

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