Anet AM8 Y Axis Lead Screw Drive System

thingiverse

This is the Y axis part designed to complement my [X Axis Lead Screw](https://www.thingiverse.com/thing:4002442)\r\n\r\n#This is fully functional and ready for installation!\r\n\r\n[See it in action!](https://www.youtube.com/watch?v=Uzjt3DoRUuU)\r\n\r\nTo fit the cross bar under the bed, the Y axis lead screw must be mounted on top of the side bars that have bearings attached. The nut can move freely up and down and from side to side in its mount but there should be no play in the Y axis.\r\n\r\nI recommend my [AM8 Full Travel Y Rod Holders](https://www.thingiverse.com/thing:4028536) for use with this mod. These restore full travel to the Y axis on standard AM8 frames.\r\n\r\nThis is a tight fit! However, the bed can move freely in both directions. You will need your wires on the side and not out the back. I have a [Narrow Y Axis Chain](https://www.thingiverse.com/thing:3539350) that helps.\r\n\r\n#BOM:\r\n\r\n- [400mm Lead Screw with Anti-Backlash Nut](https://www.amazon.com/gp/product/B07W88HB8N/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1)\r\n- [Couplers](https://www.amazon.com/Befenybay-Aluminium-Flexible-Coupling-Connector/dp/B07RMZCLZ3/ref=sr_1_3?keywords=lead+screw+coupler&qid=1575012793&sr=8-3)\r\n- [608RS Bearings X2](https://www.amazon.com/608-2RS-Precision-Shielded-Greased-Bearings/dp/B01L7PIURQ/ref=sr_1_2?keywords=22x7x8+bearing&qid=1574809049&sr=8-2&tag=tv-auto-20)\r\n- [Locking Collars](https://www.amazon.com/gp/product/B012T3FHXK/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1)\r\n\r\n-[BTT S42B Closed Loop Control](http://www.bigtree-tech.com/shop/product/show/id/4)\r\n\r\n\r\n#Installation notes!\r\n\r\nMount the Y axis crossbar on top of the side plates that have bearings attached for a little extra clearance and make sure your wires come out the side, not the back. My [Y axis narrow chain for AM8](https://www.thingiverse.com/thing:3539350) is highly recommended. The stop collar and bushing go on the front side to the inside of the machine, on the back side you don't need a stopper if you use the linked motor coupler from Amazon. If you use a spring coupler, use a stop collar on this end too.\r\n\r\n\r\nI have printed these in PLA with 20% infill. You need closed loop control to make this work properly. You can see more about this in the [3DLS](https://www.thingiverse.com/thing:4031698).\r\n\r\n\r\nThis will take some work to install, but if you're willing to tolerate a bit of noise, you'll get a super smooth and accurate machine that you won't believe was once an Anet A8!\r\n\r\n#Thank you!\r\n\r\n\r\n- Update 12/6/19 - All files reloaded and ready to go! Released to the public.