Originally Posted by
lukaspanic
@CreviceReamer You mention a speed control circuit in the G540, what is that?
The G540 has a built-in spindle-speed-controller for either a VFD motor or a DC motor with a speed-control potentiometer. This is not usually used for routers.
I thought about getting a bigger powersupply to run it cooler but that is put into the "update later" corner.
A bigger PSU itself MIGHT run a little cooler, but it will not affect cooling of anything else. (Anyway, the 7.3A PSU is equipped with a cooling fan and does not ever get very warm.
The G540 must either be heat-sinked or fan cooled though.
Some of this basic CNC info and motor cable info may be helpful to you:
Page 2
CR.
http://crevicereamer.com
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