Posted on 6/13/2016
Magnetic direct drives have advantages over the classical motorized, spindle-based solutions in particular with respect to wear and dynamics. Since direct drives largely dispense with moving parts in the drivetrain, there is less friction and play, and therefore more precision. At the same time, costs are lower and energy efficiency increases. In addition, their outstanding features include relatively large travel ranges, high velocities as well as longer lifetimes of the drives. In the case of linear stages for high-velocity industrial scanning applications, PI (Physik Instrumente), as solution supplier for drive technology and positioning systems, therefore makes use of magnetic direct drives.
With the PIMag® V-522, V-524 and V-528 ranges, there are now new ultracompact linear stages, which reach the highest velocities up to 250 mm/s and scanning frequencies of some 10 Hz. The friction-free drive works with travel ranges from 5, 10 or 20 mm and is particularly suitable for applications in industry and research that require 24/7 operation, for example, in metro...