Stepper motors offer design flexibility
An
Astrosyn International Technology product story
Edited by the Engineeringtalk editorial team
Jul 29, 2009
Astrosyn International Technology has announced that its hollow shaft stepper motors are available in Nema 17, 23, 34 and 42 frame sizes and with full step angles of 0.9 or 1.8 degrees.
The hollow shafts offer design engineers increased flexibility and enable more compact designs for rotating assemblies where a 'split-ring' type connection is required.
Wires, fibre-optics, laser beams, pneumatics, liquids and more can cross the plane of rotation through the shaft.
The motors have environmental protection ratings up to IP68, with the option of special protective coatings.
Low noise, ultra-precision bearings can be specified where smooth operation is critical.
Depending on the frame size, shaft internal diameters range from 6.6mm to 22mm, with holding torques from 1Nm to 17Nm.
The two smaller motor sizes are also available with double shafts (front and rear).
A variety of applications are possible, including scientific instruments, radar systems, electro-optical assemblies, printers, and aerospace equipment.
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