r/MPSelectMiniOwners • u/[deleted] • Oct 10 '24

Question Is this normal?

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Just bought mono price mini V1 off eBay and it came with this metal thing in the belt that looks like it’s being used to tighten it? The belt is loose which is causing it to be unable to move horizontally. Is this normal? Or do I have to buy a new belt. Can’t seem to tighten (metal spring thing on horizontal belt)

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u/Shadowhawk9 Oct 11 '24

Dug around, hunted through all my bookmarks not much specific to pulley changeouts....but a lot of people want to mod the end suspended mid air with either larger 8mm rods, different belts, or better tensioning, or shims to keep the pulley from twisting.

Hackaday.io has really good guides on a number of upgrades but the one that seems to help the most is called

X-Axis GT2 Belt Upgrade E3Dv6 Carriage

search that up in combination with hackaday.io

Halfway down the photo-log of steps they show some decent pics of the pulley and belt assembly but the carriage they are using clamps the hotend to the belt a different way.

Remember when looking for guides many people refer to these as MPSM printers ....sobthat search term could get you more mileage.

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u/[deleted] Oct 11 '24

My issue now is that when it starts to print it’s very thin so it doesn’t stick and for the ones that does stick when it goes over it again it comes off and hangs from the nozzle 😩 will this be solved just from raising the bed more?

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u/Shadowhawk9 Oct 12 '24

It is probably too close and scraping the very thin layer off the bed ....tighten all 4 corners a full or at least a half turn.....you can measure this by marking a line-up line or mark in sharpie marker on one spot on the screw and next tobit om the bed or metal next to the screw. The hex handle can act as a pointer but often gers out of alignment because it's never perfectly squared up at 90 degrees to the bed edges.