Sainsmart Genmitsu 3018 CNC upgrades
Description
I frequently upgrade 3D printers so why not improve a small CNC router? Through these upgrades you will: - 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. - Implement closed loop S42B stepper motors. These can supply more torque than the standard steppers, are much quieter and will improve accuracy. - Switch to an open source 32 bit mainboard running Marlin including an LCD display/controller. No laptop needed anymore. - Delete the separate power brick. Less clutter. - Have the Dremel controlled directly by the firmware via relay. Video guide: https://youtu.be/Q4TrzshXV10 Designed to be used in conjunction with this LCD case (minus base): https://www.thingiverse.com/thing:2813298 and this Dremel 3000 mount: https://www.thingiverse.com/thing:3938914 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 BTT S42B closed loop steppers: https://s.click.aliexpress.com/e/_dVyzQEN BTT SKR mini V1.1 mainboard: https://s.click.aliexpress.com/e/_ABpcY7 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 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 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 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 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 My Marlin firmware for this setup: https://github.com/teachingtechYT/Marlin/tree/3018-cnc-skr-mini Wiring diagrams: https://imgur.com/a/ICJgvhc
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