Sainsmart Genmitsu 3018 CNC upgrades
prusaprinters
<p>I frequently upgrade 3D printers so why not improve a small CNC router?</p> <p>Through these upgrades you will:</p> <ul> <li>Switch to a higher power and RPM Dremel 3000. It improves the performance of the router and still still be removed to use by hand.</li> <li>Implement closed loop S42B stepper motors. These can supply more torque than the standard steppers, are much quieter and will improve accuracy.</li> <li>Switch to an open source 32 bit mainboard running Marlin including an LCD display/controller. No laptop needed anymore.</li> <li>Delete the separate power brick. Less clutter.</li> <li>Have the Dremel controlled directly by the firmware via relay.</li> </ul> <p>Video guide: <a href="https://youtu.be/Q4TrzshXV10">https://youtu.be/Q4TrzshXV10</a></p> <p>Designed to be used in conjunction with this LCD case (minus base): <a href="https://www.thingiverse.com/thing:2813298">https://www.thingiverse.com/thing:2813298</a></p> <p>and this Dremel 3000 mount: <a href="https://www.thingiverse.com/thing:3938914">https://www.thingiverse.com/thing:3938914</a></p> <p>Shopping list: Sainsmart 3018 CNC: https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>BTT S42B closed loop steppers: <a href="https://s.click.aliexpress.com/e/_dVyzQEN">https://s.click.aliexpress.com/e/_dVyzQEN</a></p> <p>BTT SKR mini V1.1 mainboard: <a href="https://s.click.aliexpress.com/e/_ABpcY7">https://s.click.aliexpress.com/e/_ABpcY7</a></p> <p>Reprap Fullgraphic smart controller: https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>Dremel 3000: https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>Active low twin relay as used: https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>24V 5A PSU (I sourced mine locally but this looks identical): https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>Mains input switch: https://www.amazon.com/gp/product/B07P6K9BL3/ref=as_li_tl?ie=UTF8&tag=teachingtech-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07P6K9BL3&linkId=eefeba0ab371b02b5ecac4e8f721e625</p> <p>My Marlin firmware for this setup: <a href="https://github.com/teachingtechYT/Marlin/tree/3018-cnc-skr-mini">https://github.com/teachingtechYT/Marlin/tree/3018-cnc-skr-mini</a></p> <p>Wiring diagrams: <a href="https://imgur.com/a/ICJgvhc">https://imgur.com/a/ICJgvhc</a></p> Category: Machine Tools
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