Using ATX power supply for power a Delta Printer

[MK-X]

The ATX power supply I am using is the Corsair TX 650 Watt psu. It has 12V 52A on a single rail. My question is that the connectors have multiple single 12V wires. If I am powering my controller board with say just 1 wire and a separate heatbed with another single wire, is this appropriate to wire the the circuit in this manner?

[old man emu]

If you have converted an computer ATX PSU to power your printer, you will know that you had a bundle of yellow wires which are the 12V wires. When I did my set up, I connected only one (1) yellow wire to an output socket. Then I connected three wires to the output pin.

Two of these output wires are connected to my RAMPS board. The third wire runs to my heat bed (via a relay which is switched from the RAMPS board).

Basically, what you have done is OK. The reason that I have wired my PSU the way I have is so that I can eaasily disconnect it from the printer if I have to move things around. Here's a picture of my connections (the negative wires from the RAMPS board and heat bed appear towards the top side of the PSU, and the 12V wires are below. I used heavy duty speaker cable (goldish coloured) just to reduce the amount of resistance in the wiring.


Lights Off - flashlit.jpg

52A is a lot of grunt. My PSU is 18A and runs everything quite OK.


Old Man Emu

[MK-X]

Ah my 52A is because I'm running really advanced stuff as well. Heated Chamber, Dual Extruders, 400mm diameter heated bed, so on and so forth. Thanks emu