Chamber preheating, is it usable? - Hardware, firmware and software help

RE: Chamber preheating, is it usable?

lancer enkor — Fri, 25 Apr 2025 14:52:53 +0000

Thank you for your feedback. I was used to my previous custom enclosure with active heating, where I could reach the desired temperature within minutes before print.

I will try to use it as it is. I can always add the PTC heater anyway.

RE: Chamber preheating, is it usable?

cryptomilk — Fri, 25 Apr 2025 11:02:35 +0000

I'm printing ASA right now and the chamber temperature is 50°C. I will print corner plugs next for better chamber temperatures.

https://www.printables.com/model/1266139-prusa-core-one-magnetic-corner-plugs

RE:

FoxRun3D — Thu, 24 Apr 2025 23:31:38 +0000

I've been printing a lot of ASA with my Core ONE since it arrived, no problems at all. I don't actually preheat, I just say Print, and it will heat the chamber as part of the startup process...

RE: Chamber preheating, is it usable?

Kachidoki — Thu, 24 Apr 2025 17:56:44 +0000

Preheating should be done with the build plate at the top position. It is useless to heat the bottom of the chamber while printing at the very top during several hours. Just do an auto-home and then preheat.

But yes, there is a safety timeout (that saved me more than once). No need to preheat during hours, it is not even strictly necessary to preheat at all, the chamber will be heated up way before to have printed a multiple centimeters tall part. Moreover the print profile specify a minimum temperature to reach before to start printing plus there is a "heat absorption" delay, so no babysitting needed.

My CORE One can reach 57°C with a room temperature of 19°C during a PC-ABS print without preheating, I click print and go live my life.

Chamber preheating, is it usable?

lancer enkor — Thu, 24 Apr 2025 13:03:12 +0000

Has anybody managed to preheat the printer for ASA/ABS? I used preheat for ASA, and after 30 minutes, it shut off due to inactivity. And it has only 35°C after 30 minutes.. Is it even possible to preheat the chamber?

I'm thinking of cutting a hole in the left panel and putting in a PTC heater controlled by hackerboard for initial temperature boost. Otherwise, it's useless, I don't want to wait half a day before I can print something from ASA.