An overview of my new 4th axis for my CNC G0704 milling machine!
Stuff I used (or at least more reliable resources for them)
Mini Lathe Headstock Assembly: https://littlemachineshop.com/products/product_view.php?ProductID=2299&category=1023914534
Nema 23 Stepper Motor: https://www.automationtechnologiesinc.com/products-page/nema-23/kl23h286-20-8b/
Stepper Motor Driver:https://www.automationtechnologiesinc.com/products-page/kl-stepper-drivers/kl5056/
Power Supply: https://www.automationtechnologiesinc.com/products-page/switching-power-supply/kl-350-36/
Tapered Roller Bearings (The Ones I used) https://amzn.to/2Zz6db8
Tapered Roller Bearings (The Nicer Ones) https://amzn.to/2VHwPWk
GX16 Connectors: https://amzn.to/2YZZkR7
120T GT2 Timing Pulley: http://shop.sdp-si.com/catalog/product/?id=A_6A51M120NF0910
20T GT2 Timing Pulley: http://shop.sdp-si.com/catalog/product/?id=A_6A51M020DF0906
Timing Belt Length Calculator: https://sdp-si.com/eStore/CenterDistanceDesigner
The Endcap I designed for this slightly larger “NEMA23” (NEMA24?) Stepper Motor: https://www.thingiverse.com/thing:4521100
http://www.PracticalRenaissance.com
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