Rotary 4th axis for CNC (MPCNC)

Rotary 4th axis for CNC (MPCNC)

thingiverse

UPDATE: 08-Nov-2016 Models are now perfectly aligned with the buildplate. Scorchworks G-Code Ripper (Marlin Firmware-Friendly Version) has been successfully integrated. I created this for use with my Mostly Printed CNC, a fantastic design by Allted featured on Thingiverse at http://www.thingiverse.com/thing:724999 and also available at http://www.vicious1.com/. This 4th axis works exceptionally well with laser and light cuts on wood using a router. Assembly views show exactly how everything is put together. You can use my collet design or simply attach a 3-jaw chuck like bobwombles' design here on Thingiverse at http://www.thingiverse.com/thing:624625. I have modified Scorchwork's excellent G-code ripper software to wrap rotary toolpaths on Marlin firmware-based CNCs. The software will be posted on the Vicious 1 website soon. ROTATE MODELS TO SIT FLAT ON PRINT BED BEFORE PRINTING - I FORGOT TO DO THIS AND AM NOW TOO LAZY... https://youtu.be/ihawzSSQpxg https://youtu.be/ZUUMavkeaf8 Print settings and BOM are shown below: Prices based on PLA $22/KG Collets - 15% infill - no support 3 inch - 39.85grams $0.88 2.5 inch 58.29grams $1.28 2 inch 75.82 grams $1.67 1.5inch 91.17grams $2.01 1 inch 103.94grams $2.29 Collet Body - 20% infill - no support 91.9 grams $2.02 Collet Nut - 20% infill - no support 54.65grams $1.20 Headstock - 25% infll - Use support for 90 degree overhang (stepper housing) 152.47 grams $3.35 Tailstock - 25% infll - 90 deg support buildplate only 124.3grams $2.73 Headstock BOM (1) Nema17 stepper 84oz.in. recommended $13 (1) 4 pin xlr connector (optional) $2.50 (2) KFL000 10mm pillowblock bearings $3.60 / pair (1) 25XL037 10mm bore aluminum timing belt pulley $6.33 (1) 5mm bore XL 10 tooth timing belt pulley $2.00 (1) 80XL037 80XL 40 tooth timing belt $4.00 (1) M10 x 1.25 x 100mm hex bolt $3.64 (1) M10 nut $0.50 (1) M10 washer $0.50 (4) M8 x 1.25 x 20mm hex bolt $0.50/ea (4) M8 nuts $0.30 /ea (4) M3 x 8-10mm socket head screws $0.12/ea Tailstock BOM (2) KFL000 10mm pillowblock bearings $3.60 / pair (4) M8 x 1.25 x 20mm hex bolt $0.50/ea (4) M8 nuts $0.30 /ea (1) M10 nut $0.50 (1) M10 washer $0.50 (1) M10 x 1.25 x 90mm hex bolt $3.20

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