Prusa Wilson TS 8mm Leadscrew Conversion
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8mm leadscrew upgrade for old Prusa Wilson TS
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Took some time but I finally got around to an upgrade!
So for some history - the 5mm threaded rod for the Prusa Wlison TS was so so frustrating so rather than rework it, I built another printer in 2018. And then my first printer sat on the shelf collecting dust for 5 years until I decided to pull it out of the proverbial mothballs. I went and reprinted all the parts and to my dismay, the 5mm threaded rods were even worse than before. Rather than just sending it to the junkyard in the sky, I redesigned the motor mounts, x-axis, and z-top mounts so that it would work well with 8mm leadscrews and bearings. So far, the printer works okay - maybe not as fast as a Delta or core-xy but it works!
The leadscrews were 400mm in length but I did not favor cutting them down. They also came with pillow bearing block so I popped out the bearing and snapped them in on the Z-top to keep the leadscrew aligned.
https://www.amazon.com/dp/B01H1QNSAE?psc=1&ref=ppx_yo2ov_dt_b_product_details
To attach the trapezoidal threaded nuts, I used threaded inserts on the bottom, ~ M3 x 6mm in length and they work.
https://www.amazon.com/gp/product/B0B46YBNV4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Printer works much better now!