An LM317 voltage regulator can do the trick if you want to pin it to a 10V output, you just need to calibrate it to output only 10V.
Hello. I bought a cnc 6040, 2.2KW on aliexpress from Chinacnczone.
The cnc works well enough only that I have a problem.
The spindle speed is about 20% greater than the one set as shown in the following graph:
s1000 -> 23.60
s2000 -> 40
s4000 -> 74
s6000 -> 114
s8000 -> 150.80
S10000 -> 187.60
S12000 -> 230.80
S14000 -> 270
S15000 -> 290
S16000 -> 309.6-310
S18000 -> 356
S20000 -> 400
It should go to 400Hz when I set s24000 and not with s20000.
I opened the controller and found that they connected the output of the inverter (Nowforever D100S2R2B) that is 12v to a board input (MKS-V-V02 ???????????) that instead expects10v, as shown in the following scheme.
How can I solve the problem? Where to get 10v?
Thank you.
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An LM317 voltage regulator can do the trick if you want to pin it to a 10V output, you just need to calibrate it to output only 10V.
Hi. Thanks for your reply.
I need +10v power supply not AVI 0 to 10v...
Well im sure you can step down your existing power supply on your unit, dropping from it 12VDC to 10VDC, it depends on your electronics skills though, (I can ) or you can simply use LM338 high amperage regulator to drop down the main power supply 12V to 10V
Can I put 4 1N4007 diodes in series? I should have 13.1-4 * 0.7 = 10.3 v.
What do you think about it? Or is it better to use the UA78L10 for example?
Thanks
Yep you can do that too dropping output voltage through diodes in series
Is it ok to test with 20mA?
Thanks
Thanks to a suggestion I managed to improve the situation clearly only through the mach3 software.
I set the spindle speed on mach3 at 28800 so at 24000 the right frequency is 400Hz.
Is it possible to further improve the inverter's response?
Thanks so much.