MOTORS & DRIVES & CONTROLS
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of the AM3248; a multi-pole, two-phase stepper motor that performs 48 steps per revolution. Te motor starts with a high speed from the very first step; thanks to its low inertia, it can be used in applications that require very fast acceleration and quick changes of direction. Te motor features newly developed large ball bearings which further extend the long service life of this motor type. For its size class, the performance values that it achieves in combination with a 32GPT gearhead are ‘unrivalled’ on the market, Faulhaber claims. Te motor can also be combined with an IE3 magnetic encoder. “We see that this new stepper motor has a lot of success with our customers, especially when combined with our new geared linear actuator 32L, or with our planetary gearhead 32GPT,” continues Berger. “Te highly achievable speed of the stepper motor, combined with a high reduction ratio allows us to reach large torque or axial loads. Tis makes the motor extremely suitable for precise positioning applications that also require high torque, such as in the laboratory automation, semiconductor or aerospace industries. Additionally, the AM3248 can be combined with our incremental encoder IE3-1024 to allow high-resolution closed- loop feedback.” Let’s stick with the company’s new
geared linear actuator 32L for a moment, which offers high performance and a robust design alongside a large a modifiable selection of screw and nut types. Equipped with a full reduction ratio range, the actuator can be combined with a wide portfolio of motors to deliver continuous axial force up to 54N and peak axial force up to 3,700N. Te actuator is part of the company’s Linear Actuator L series, which is designed to provide high performance in compact dimensions by supporting large input speed and high output force. Te series is suited to a wide range of applications including robotics, industrial machines and laboratory equipment. A large number of reduction ratios, uniformly distributed, are available to select the most appropriate configuration to fit various force or speed operating points as required by the application.
HIGH-PERFORMANCE APPLICATIONS Te AM3248’s properties and options make it suited to a wide variety of demanding applications, such as the aligning of solar
The AM3248 stepper motor
The motor offers up to 10,000rpm
panels of satellites. In this example, the motors move the booms so that the panels are always directly facing the sun. In addition to working precisely and reliably over many years, the motors must also be able to withstand the extreme temperatures in outer space. In the semiconductor industry, meanwhile, very high dynamics and speed are required when positioning the wafers in very confined installation conditions in the machines. Tis is another application in which the highest level of precision and reliability are essential. Berger explains: “As with our
other products, we can adapt the AM3248 using the Faulhaber know- how and quality in order to match the
requirements of specific applications.” Expanding on this, Tomas Würgler of
Faulhaber Precistep, the company’s corporate unit specialising in stepper motors, adds: “Our new AM3248 model meets all requirements and is ideally suited for high-performance applications of this kind. We are able to adapt the product to the requirements of the respective application, even in small production runs. We provide our customers with the entire drive package, including technical advice and support from a single source.”
For more information visit
www.faulhaber.com
www.engineerlive.com 47
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