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Converting to 24V

Posted by Chaparro1973 
Converting to 24V
March 13, 2022 12:28PM
Hi
I have a home made printer with this equipment

Board - BTT GTR v1 with M5 extender

4 - 42BYGW804 motors on Z Axis
2 - 42BYGW804 motors on y Axis
1 - 42BYGW804 motors on x Axis
1 - Pancake on extruder

All drivers are TMC2208

Extruder heater conected to board
Bed heater is 220V, conect to board via solid state relay

50A 12 Power supply

Recently i tryed to upgrade it to 24V, by simply changing the power suply (24V, 25A), fans and extruder heater.
But the printer started to show erratic movements, Y axis stops erraticly, 1 axis stoped working on the M5 extender, motors pausing during travel, etc.
So I changed back to 12V, and it runs fine.

Have i missed any steps on my convertion, or is it just not possible to make the conversion?
VDX
Re: Converting to 24V
March 13, 2022 02:03PM
... this "erratic stops" could be due to overheating -- try with better cooling and slightly lower current.


Viktor
--------
Aufruf zum Projekt "Müll-freie Meere" - [reprap.org] -- Deutsche Facebook-Gruppe - [www.facebook.com]

Call for the project "garbage-free seas" - [reprap.org]
Re: Converting to 24V
March 13, 2022 02:33PM
Do you mean Vref, if so i have already lowered to the point the motors barely have some force. Also i have checked the motor and drivers temp and they don't get hot.
Re: Converting to 24V
July 03, 2022 02:30PM
ERM...

[www.promoco-motors.com]

804 only rated for 3.6V operation.

801-5 only rated for 12V operation.
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