Polystruder Filament Tractor

prusaprinters

Here is a filament tractor bench that I built for testing purposes of polystruder XR3 filament extruder. You will need following electronic parts to built.Stepper controller with built-in driver: https://www.aliexpress.com/item/3256803404019655.html?spm=a2g0o.productlist.0.0.322c5542PK3bU9&algo_pvid=6a252a78-12e5-4dbe-a04c-2df4ac5adf30&algo_exp_id=6a252a78-12e5-4dbe-a04c-2df4ac5adf30-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000026401733320%22%7D&pdp_npi=2%40dis%21USD%21%2118.34%21%21%21%21%21%402101d8b516558511907132534e4ff8%2112000026401733320%21seaBuck boost converter to adjust cooling fan speeds: https://www.aliexpress.com/item/3256803646535528.html?spm=a2g0o.productlist.0.0.3ca3113e3Xi0xb&algo_pvid=1adc5a57-3a2c-4e97-86ba-eb69f37d5bff&algo_exp_id=1adc5a57-3a2c-4e97-86ba-eb69f37d5bff-32&pdp_ext_f=%7B%22sku_id%22%3A%2212000027299669444%22%7D&pdp_npi=2%40dis%21USD%21%2113.32%21%21%21%21%21%402101e9d116558512516463046e2d7b%2112000027299669444%21sea24V 120mm computer fan: https://www.aliexpress.com/item/2251832432252612.html?spm=a2g0o.store_pc_groupList.8148356.3.5f36551008npNk&pdp_npi=2%40dis%21USD%21US%20%245.70%21US%20%245.70%21%21%21%21%21%400b0a050116558513652936929eda91%2159310379487%21shBMG extruder to use as a filament puller: https://www.aliexpress.com/item/3256803237535390.html?spm=a2g0o.productlist.0.0.7b7f1b3cKXPmU6&algo_pvid=3bbdd6d1-ec2f-4277-9682-bebfe704a816&algo_exp_id=3bbdd6d1-ec2f-4277-9682-bebfe704a816-8&pdp_ext_f=%7B%22sku_id%22%3A%2212000025721494267%22%7D&pdp_npi=2%40dis%21USD%21%218.03%21%21%21%21%21%40210318c216558514571816646ef021%2112000025721494267%21seaV-Groove wheels: https://www.amazon.com/gp/product/B082PP6SGR/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1Dowel pins: https://www.amazon.com/gp/product/B01MRT7ILF/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1Compression screw: https://www.amazon.com/gp/product/B07FY47BX7/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1Ball bearings for measurement device: https://www.amazon.com/gp/product/B0824WBHXK/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1Dial indicator: https://www.amazon.com/gp/product/B07R8T4M6T/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1M2-15mm socket head screwsM3-8mm socket head screwsM3-20mm socket head screwsM3-35mm socket head screwsM4-45mm hex head screwM2-M3-M4 various heat insertsAny Nema 17 stepper motor for BMG extruderAny 24V power supply to power all electronics.Various sizes of 2020 aluminum extrusions and fastener hardware. You need a CAD program to open the STP file to view all the needed parts and export the 3d printable files.