Moving Magnet Systems

For applications that require non-contact, particle-free transport, such as clean rooms, vacuums, or chemical environments, a moving magnet linear motor meets the most demanding process requirements.

In the case of clean room and vacuum applications, any particle-generating components must be positioned outside of the controlled environment to avoid degrading the environment. For applications that involve the presence of hazardous chemicals, safety requirements demand that electrical components be located outside of the work area. The moving magnet system, jointly developed by HSMAG and a motion control partner, provides the perfect solution to these requirements.

Moving Magnet Systems

Moving Magnet Systems

Here is an balanced dual-sided “U” shaped magnet channel. This is in excellent functional and cosmetic condition and are guaranteed in perfect working order with a 30 day right of return. These are designed for ironless linear motors. We have these motors available in a seperate listing.

This assembly includes an iron core linear motor with a moving magnet plate (secondary part), which is installed in the working environment and provides transport. The unique feature of the moving magnet system is that the coils (primary part), along with the electrical components, are located outside the process area and remain stationary. As with standard iron core linear motors, the magnet plate and coils are separated by an air gap, but in this case, the gap is larger than that of a standard linear motor, to allow room for the vacuum chamber wall that separates them. The air gap is one of the factors that affects linear motor performance, including the motor’s K-factor. HSMAG specifies the K-factor of its linear motors at 0.5mm air gap and a heat sink temperature of 20 degree Celsius.

Customized Motors

In case our standard motor series are not sufficient for your application, it is also possible to have these motors customized in a variety of ways. This can range from simple modifications, like a different connector, to fully custom motors designed from scratch. Thanks to our in-house R&D department, the possibilities are virtually endless. Below you will find examples of the different levels of customization we can provide.

The moving magnet system offers all the traditional advantages over rollers, chains, or belt transport systems – higher stiffness, better accuracy, and higher acceleration. But it also allows the use of multiple, independently controlled carriages and a high level of scalability and flexibility for cost-effective integration with a machine or production line. One down side of the moving magnet system is that the cost-per-meter can be high due to the separate coils and electric drives required for each coil. But the main advantage of this system is the location of the electrical components and particle-generating parts outside of the working environment, which ensures safety and production reliability.

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