Analysis of the reasons for the unqualified size of magnets

Magnets come in many shapes, whether standard or customised, but they all have specific dimensions and are manufactured by magnet producers according to drawings provided by customers. Some internet users have asked what the reasons are for magnets failing to meet dimensional specifications. Below is an analysis of some common causes compiled by our editorial team.

1. Manufacturing process errors

During the manufacture of magnets, errors may occur during the cutting, forming, grinding or machining of the material. These errors can result in the magnets failing to meet dimensional specifications. For example, a machine operator may have failed to set up or calibrate the machine correctly, or the material may have been subjected to compression or tension during processing, leading to dimensional variations.

2. Issues with machining tools and equipment

The use of heavily worn or poorly maintained tools and equipment may result in uneven machining, thereby affecting the dimensions of the magnets.

3. Mould accuracy issues

Problems with moulds, such as non-compliance with tolerances, wear and deformation, can lead to dimensional deviations in the moulded products. This is particularly relevant for magnets that require mould pressing.

The illustration shows are convex stepped circular magnet

4. Quality control issues

A lack of rigorous quality control measures may result in substandard magnets entering the market. Quality control encompasses inspection, measurement and testing to ensure products comply with specifications.

5. Errors in dimensions by sales staff or production schedulers

This also occurs from time to time; for example, a sales representative may enter incorrect dimensions into the system, and the production department may then manufacture the magnets according to these incorrect dimensions.

Resolving the issue of non-conforming magnet dimensions typically requires meticulous quality control and quality assurance procedures. These may include re-inspecting every stage of the manufacturing process, calibrating measuring equipment and ensuring material quality, with the ultimate aim of ensuring that magnet products are manufactured to the correct dimensions.

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