V-Minion Z-Offset, first layer, chamber problem

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31 Replies
Night
Night•2y ago
Cold
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Night
Night•2y ago
after heating to 100*C bed in chamber (11:22)
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Night
Night•2y ago
after 10 minutes (11:32)
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Night
Night•2y ago
after 30 minut from heating up (11:52)
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Night
Night•2y ago
after 1h from heating up (12:32)
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Night
Night•2y ago
after 1h and 10 minutes from heating up (13:42)
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Night
Night•2y ago
After another hour (15:48)
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Night
Night•2y ago
After another three hours (17:22)
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Night
Night•2y ago
When printing ABS in the chamber, I have a problem with the first layer, When I run another printout, the first layer is higher or lower. This is very inconvenient because I would have to calibrate the first layer before each printout When I print PLA without a chamber, the first layer is always perfect probe: SuperPINDA How to fix it? Replace the probe with something else?
Night
Night•2y ago
No description
Night
Night•2y ago
This is bed heating without printing
Night
Night•2y ago
printed one after the other.
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miklschmidt
miklschmidt•2y ago
I have my minion enclosed, printing ASA all the time, similar chamber temps and i have no such issue. It looks like your X arm might be lifting with heat, which doesn't really make any sense.
vicious-gold
vicious-gold•2y ago
This is interesting - So it's possible to enclose the minion within a heated chamber (65-70... 80degC) without any issues to the printer? The reason I'm asking is because I was going to enclose the VCore3.1 but I'd rather enclose a minion as I'll only be printing smaller mechanical parts in ASA etc.
miklschmidt
miklschmidt•2y ago
Yes if you print the parts in ABS or ASA. If you go above 60 i'd get high temp steppers though, they won't last long in there. You're gonna need active heating to get above 50. Its the same concerns as with everything else. The V-Core 3.1 is designed to be enclosed, the v-minion is not (to the same degree), but it's still doable. And of course you want the electronics outside.
vicious-gold
vicious-gold•2y ago
Many thanks for this info - What's your target ambient temp for the chamber for smaller (ie 100x100x30mm) mechanical parts in ASA?
miklschmidt
miklschmidt•2y ago
50 works well for 3DO ASA. 45 works too, but 50 is better
vicious-gold
vicious-gold•2y ago
Excellent - thanks
weust
weust•2y ago
@miklschmidt Not to hijack the topic here, but your chamber is the still-not-released enclosure for V-Minion, or a self build one?
miklschmidt
miklschmidt•2y ago
still-not-released enclosure for v-minion
weust
weust•2y ago
😦
Night
Night•2y ago
Will I get help or will you write about some other printer?
miklschmidt
miklschmidt•2y ago
I'm not sure how to help you, something is sagging, check your x gantry bolts.
Night
Night•2y ago
Everything is tightened. I even replaced the aluminum profile
miklschmidt
miklschmidt•2y ago
possibly make sure your x-rail screws aren't overtorqued. like, go easy on them
Night
Night•2y ago
The entire X-axis is reassembled including the EVA Please help me. I want to finally print ABS parts
wee-brown
wee-brown•2y ago
which material are your v-minion parts made of? PETG? ASA? ABS? something is getting loose or soft in the heat maybe the probe mount?
Night
Night•2y ago
ABS it's probably not possible. even if something happened to the handle, the result would still be good. it's more like something with the X axis but I don't know what exactly. @McAbra masz jakiś pomysł?
fascinating-indigo
fascinating-indigo•2y ago
let's take it to the #polish channel if you need aid in Polish that said I'm not sure I will be able to help you, as I understand you were printing between the tests, I'd look for mechanical fault rather than anything thermal would have been helpful if you tested the level after everything cooled down - does it go back to the desired level once everything is cool? PINDA is a proper one or something from Ali? Although I would not blame it (maybe but maaaybe the wire acting up when it's bent while being closer to X0)
Night
Night•2y ago
I didn't print between tests. After cooling down it returns to 0.05mm. PINDA is original from Prusa ???????????
miklschmidt
miklschmidt•2y ago
I’m sorry, none of us has seen this before. Short of the suggestions we’ve told you for debugging, there’s not much we can do. Have you tried printing?
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