Motion Control Products Ltd supply a wide range of brushless linear servo motors. Linear motors are direct drive servo motors, with the magnet track being statically mountable to a solid baseplate and the coil directly coupled to the moving load. The magnet tracks can be butted together to give almost unlimited length travel and operate in a similar way to standard rotary brushless servo motor technology. However, linear motors have key advantages over rotary servo motors such as higher precision, velocity, acceleration, accuracy and repeatability. There are only two fundamental parts to a linear motor:
- Moving Coil
- Fixed Magnet Track
There are two types of Linear Motor - Iron Core, and Ironless Core each of which have features that offer different performance characteristics dependent on the application. Iron core Linear Motors operate in conjunction with a single magnet track and are ideal for general automation applications whereas Ironless core Linear Motors are usually matched with a 'U' shape magnet track and offer superb smooth velocity/positioning control for high end applications.
The Motion Control Products Ltd Linear Motors come in two product family formats, Iron Core (ACM Series) and Ironless Core (AUM Series).
ACM Series: Iron Core Brushless Linear Motors
The ACM series of linear motors consist of a moving coil, which is mountable to the moving load, and magnet tracks of various lengths dependent on travel required. The motors have advantages of low cogging, compact form factor, high force achievable and are ideal for general automation applications.
ACM1 Series Main Features:
- Iron core, direct drive brushless linear motors
- Low cogging design
- Compact form factor (coil length 96 mm; overall height 34 mm)
- Maximum peak force 794 N, maximum continuous force 174N
ACM2,3,4,5 Series Main Features:
- Iron core, direct drive brushless linear motors
- Low cogging design
- 4 models (ACM2, 3, 4, 5) with coil lengths from 200 mm to 704mm
- Maximum peak force of 10,500 N, maximum continuous force 7379N
AUM Series Ironless Brushless Linear Motors
The AUM series linear brushless motors are U-chanel ironless direct drive linear motors. This means that the moving coil contains only copper wire and no iron. The motor has advantages of zero cogging, zero hysteresis, low moving mass and high force to mass ratios. These motors are suitable for high accelerations (up to 10G) and high speed applications, which are typically up to 5 metres per second, due to the limitation of the bearings. They are also suitable for low speed applications where high precision or low velocity ripple is important. When used with air bearings, these motors provide the ultimate in performance for high precision applications. AUM series of linear brushless motors have the unique advantages of relatively short coils, with large forces compared with other ironless linear motors.
Main Features:
- Zero cogging
- Low moving mass and high force to mass ratio
- 4 models (AUM 1, 2, 3, 4, 5)
- Suitable for high accelerations (10G or more) and high speed
- Also suitable for high precision applications with air bearings
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