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Dewey79
(@dewey79)
Honorable Member
New Enclosure Video

Logged into Youtube and found a new video on 5 Tips for Building a 3D Printer Enclosure. They have some good ideas in there.

Posted : 22/11/2018 2:44 am
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(@)
Illustrious Member
Re: New Enclosure Video

First I've ever heard electronics and motors deteriorate with heat... lol. Derate maybe...

Posted : 22/11/2018 3:44 am
Migamix
(@migamix)
Trusted Member
Re: New Enclosure Video

degradation is the word best used for standard components at above ambient temps. some components are not typically heat generating, some are and can be run at about 70ºC for longer durations (but not forever) . common capacitors are not able to handle this heat. some motors can handle the heat, but remember there windings are usually enamel coated wire, get enough extreme fluctuating temps and you risk cracking and shorting failure. unless we are all willing to pay for industrial or mill-spec components, we will have to find a civi way to keep the components cooler. when your build chamber can easily reach 35ºC and an idle RPi would typically run at 35º-40ºC at ambient, you will quickly see throttling and other issues. SD cards have a typical operation rating of -25ºC to 85ºC. general rule, if you want longer life , give it a cooler life (this is why i dont overclock my computer systems)

im looking into a creating simple low cost and easy to get the parts mod that will be able to keep all boards and PSU outside of an enclosure (LACK at the moment), with overrated plugs and adapters. i actually run a thermal sensing fan under my einsy to push cooler air up but also circulates the air to heat up the entire chamber. i know it sounds self defeating, but its what i have running right now to keep airflow around the board. im working on introducing a small 5v-12v fan to push fresh air into the controller box, and back out of the build chamber (already created a mount for it with a charcoal filter, now for an enclosed einsy box). i would also like to mod the hotend cabling to be from the back and not having to flex in a cable killing way. i already usa an Adafruit Circuit playground for bed motion detection that lights up the build deck with ANY movement (for the RPI camera), but i added a piece of code that detects a temp level above a certain amount and changes the light to another colour. this board has many sensors built in, and is perfect low cost device for monitoring our enclosures. i would have worked on it this past vacation week, but nooooo i had to socialize with the in-laws. i already have the early versions and code for it online. https://www.thingiverse.com/thing:3071319

and we’ll be saying a big hello to all intelligent life forms everywhere … and to everyone else out there, the secret is to bang the rocks together, guys.

Posted : 25/11/2018 8:24 pm
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