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Hi.
I am having problem of spindle speed fluctuation. My rpm goes +-500 to +-800 up and down always amd doesn't remain constant
My machine have 1.5kw 400hz water cool spindle with ae-200 vfd.
Need help as this problem effect my aluminum milling jobs.
One thing more. It doesn't fluctuates when rpm set to 24000
Also i check. My spindle is ground correctly my machine is ground correctly and my vfd main 220v is ground correctly
https://youtu.be/6-l8fr6J8lo
Here is the link of my problem. I set it 10000rpm but rpm doesn't remain constant it increase and decrease by itself
At 10,000 RPM you don't have much torqueQuote:
Originally Posted by Chmfhm
How many amps is your mains power supply to the machine??
The VFD Drive you have is not very good as well so you can't expect very much from it, try lighter cuts and see it it does the same thing.