Compound pulley and bearing plate for slowing a drill press
Description
I Made These Pulleys In An Attempt To Use A Standard 12K/8K Wood Drill Press For Drilling Stainless Steel. I Had Previously Been Controlling The Pressure By Hand To Partially Stall The Motor And Slow It Down To The Requisite Speed For Drilling Steel, But Wore Down A Number Of Hss-Co Drill Bits In The Process. The Original Drill Press Had Two Compound Pulleys: - Driving Pulley Attached To The Motor: 17Mm And 22Mm - Output Pulley Attached To The Drill Head: 22Mm And 33Mm This Thing Adds A Bearing Plate Holding Two Standard 625 Bearings (5X16X5) And Compound Pulleys That Can Be Attached Using M5 Cap Screws. Sources Are Here: Https://Github.Com/Hyperair/Drill-Press-Pulleys
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