belt) can be slow, noisy or inaccurate, and pneumatic or hydraulic
linear actuators can introduce possible contamination while providing less than optimum position and speed control. Direct drive
linear electric
motors, on the other hand, have tended to be expensive, difficult to install or less than ideal in applications where temperature, hygiene, noise or low maintenance are important. There are essentially three types of
linear motor:
flat-bed, U-channel and tubular. The
flat-bed delivers...
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