Printrbot LC X Axis Stiffener
thingiverse
This brace is designed for Printerbot LC's X axis, combating warping due to belt tension in its current design. The stiffener parts 1 and 2 must be printed with strong material like ABS at 100% infill. For an alternative option, print part 1 alternate, which replaces the X stepper mount with a threaded rod-accepting part. Use a 9-inch long 1/4x20 threaded rod and attach the parts accordingly. File the holes if necessary for smooth insertion of the threaded rod. Attach part 2 to the X belt pulley, then place part 1 minimal on the plywood stepper mount part. Adjust nuts on the threaded rod to square the X pulley shaft and eliminate bridge warping.
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