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My guess would be loose setscrews on the pulleys. Try rotating the design 90 and 180 degrees and running another cut to see what you come up with....
Personally, I favor Tony Thor's method. Easily cut from a Delrin(POM), nylon, or PTFE block if you already have a mill. It's far less expensive...
1. As they both work on basically the same system the difference would be negligible. 2. Slightly different dynamics but ultimately the...
You don't reverse wires on one Y-axis when using screws. Both should be wired the same as they should turn the same direction.
Contact the parts store and they will send a replacement. When you start assembling it again, spray some dry silicone or ptfe (teflon) lubricant...
There is no significant structural difference between this system and the WorkBee.
V-slot is functionally a 20 series rail so none of the choices will fit properly.
Consider turning your existing base framing crosswise to support the side rails. It'll not only provide both vertical and lateral rail support...
Not sure if you've seen the review video that points out some of the weaknesses in the MiniMill but I probably wouldn't stretch it out any farther...
The easiest solution is just to extend the spacer blocks. Looks like you could easily add 60mm to them. The additional leverage adds a fair...
We need some really good photos of what you have in order to offer suggestions on modifications. Also can you identify the specific point of...
A while back @Mark Carew sent me some Makerlink connectors and some 20x20x500mm extrusions to see what I could come up with. Adding a few...
Rick 2.0 published a new build: Minimalist laser platform built with Makerlink connectors and modified Nema 17 stepper mounts used as gantry...
BlackBox... in summer formal attire. [ATTACH]
Add some lubricant. I use a dry silicone spray, others use a PTFE (teflon) spray. Just don't use oil or any other lubricant that stays wet as...
Watch the video starting at 59:23 and that will show you how to get down to $23. Just pick your configuration from the list. [MEDIA]
The longer you make them the more flexible they get which will have a bad impact on the quality of the cut. If you do wish to make them that long...
Did you do a finishing pass?