How to control the size of NdFeB magnet during the production process?

For customers who have higher requirements on the dimensional tolerance of NdFeB magnets, how to control the size in the production process of NdFeB magnets is a problem that every NdFeB magnet manufacturer must solve.

Common specifications include: round, square, with holes, and special shapes.

How to control the size of Disc NdFeB magnets in the production process?

• 1. The size of the finished product must be obtained.
• 2. The size of the diameter is controlled in the process of cylindrical grinding, usually plus or minus 3 wires, especially the required plus and minus 2 wires, and there is room for coating requirements.
• 3. The size of the thickness is controlled in the two processes of inner circle slicing and double end grinding. If the size requirement is plus or minus 5 wires, it can be realized by inner circle slicing. If it is plus or minus 3 wire and below, it should be realized by double end grinding. And leave room for tolerance according to the size of the finished product.
• 4. The final coating control is a very important process. It is necessary to prepare a micrometer to frequently measure the size of the finished product to meet the special tolerance requirements.

How to control the size of the NdFeB block magnet during the production process?

On the premise of obtaining the finished product specifications, the size of the NdFeB block magnet is controlled by: slicing, double-end grinding, and electroplating. In the production process, production scheduling must accurately arrange the product tolerances of each process to meet the special requirements of product tolerances.

How to control the size of the NdFeB tube magnet during the production process?

The size control of the NdFeB tube magnet is realized by the stop gauge. The size control of countersink is realized by angle ruler and vernier caliper. It is important to leave room for tolerance for the electroplating process.

How to control the size of the special-shaped NdFeB magnet during the production process?

Determine the size control of each process according to the product drawings.