PM-728VT Spindle Encoder Mount
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Spindle encoder mount from PM-728VT CNC conversion for rigid tapping.
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- Printables
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- Tools
- License
- Creative Commons — Attribution — Noncommercial
Encoder mount for the Omron E6B2-CWZ1X on the PM-728VT.
Use shaft coupler and encoder mounting screws that come with the encoder.
Requires 2x 100T or 60T GT2 Pulleys or equivalent 1:1 ratio that is larger than the spindle top pulley diameter.
Requires 2x 1/2 x1-1/8 x5/16 inch R8-2RS Double Rubber Sealed Roller Bearings which take the load from the belt tension.
Requires lathe work to make the shaft for the pulley / bearings and to modify one of the GT2 pulleys to bolt onto the PM728 spindle belt pulley. A printable drill fixture is included for use with a drill press.
M4 x 14mm to improve bracket strength depending on print settings / direction.
Print PETG or PC in 4 walls w/ 25%+ infill. Top section (encoder mount side) is designed to be “cut” and then bolted back together with the M4x14mm screws for easier printing.