Bambulab Motor Drive and Spool Adapter for AMS Filament Spool Switch

Seeking to diversify my filament sources, particularly utilizing cardboard spools or refills, I recognized the necessity for a filament rewinding solution. Unimpressed by existing options, I opted to craft my own. Rejecting manual methods or archaic hand drill-powered systems, I procured a motor, speed controller, and repurposed spare parts to engineer an aesthetically pleasing and functional design. Recently, this one got published:

https://makerworld.com/en/models/110521

It has a manual hand crank or a drill attachment. However, I was determined not to rely on outdated methods, so I repurposed components from my original design to create this upgraded version.

No alterations are necessary for the Spool Switcher mentioned earlier. This motor unit effortlessly snaps into place, seamlessly engaging its spur gear with the small gear on the spooler.

I'd suggest applying a touch of lubrication to the spool spindle, depending on the filament being used. I encountered some issues with my take-up spool as the weight increased and the speed heightened, causing it to occasionally dislodge from its holder. A small amount of silicone lubricant effectively resolved this inconvenience for me.

I engineered an adapter for the source spools, aiming to streamline the process. Many variations of the original design and several adaptations necessitate distinct adapters for various spool sizes. However, the conical adapters provided here boast universality, accommodating all the diverse spool sizes I've encountered to date.

Beyond the printed components, a few additional components are essential. Here are the specific ones I utilized:

Motor:

https://amzn.to/4aBJ0Zi

Speed controller:

https://amzn.to/4aBJ4s0

Screws: 6x M3x12 Flat Head

The power supply was just a brick on a leash I had in my junk drawer. It was an AC/DC adapter, 100-240vac input, 12VDC output. Positive Center pin, Negative outer barrel. ⊖-☪-⊕

The socket also came out of my junk drawer. I think it was something like:

https://amzn.to/3NFqyW0

Occasional soldering might be necessary to connect wires to specific components. Personally, I utilized crimped connectors for wire endings that interface with the speed controllers, and heat shrink tubing was applied where needed, leveraging the tools available to me. Your approach to neatness or messiness is entirely at your discretion. However, I cannot assume responsibility for any potential hazards you might encounter.

Should you require adjustments to the design to suit your assortment of parts, TinkerCad offers a relatively simple way to modify the holes.

If this design resonates with you, enjoy its benefits. At the very least, I hope it sparks creative inspiration for your own endeavors.

The model is available for free download and use.
If you still want to invite me for a coffee for my effort, troubles and time (I ran out of filaments a couple of times), you can do it via:

https://paypal.me/mikloskiszely

Cheers.