Gear rack sources for small quantities?
Ned,
Timing belts would also be my choice for this application. They are
remakably strong....steel cable reinforced...and quite accurate. They
can be obtained in a variety of widths. Properly pre-tensioned they
work well with good life expectancy. Industrial application is in the
X,Y,Z axes drives for rectilinear robots and pick & place automated
devices.
Wolfgang
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