Spindle Lock And Knob, Grizzly G0758 Milling Machine
thingiverse
Spindle lock for Grizzly G0758 milling machine secures hand freeing it to grip bit, collet or R8 tool holder preventing drops and damage. Stronger, more rigid alternative to lightweight factory quill DRO spacer provides steadier readings. Use with factory-supplied pin tool. As safety feature, when pin tool is inserted and spindle locked, chip shield cannot be closed, machine from being turned on. Used with 2-7/8" ID, 4-1/4" OD, 7/8" H shaft collar on quill that needs to be drilled and tapped for mounting. Second model is knob fitting 17mm flats of drawbar adjustment nut at top of spindle. Use knob to turn spindle into position for inserting pin tool. Aids grip when hands are oily. Knob can remain on machine during operation, fits under dust cover and does not interfere with quill lowering. Works well combined with socket knob: https://www.thingiverse.com/thing:2802475
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