On 07/15/2020 08:51 PM, John Dammeyer wrote:
For that price, rip out the guts and replace the works with COTS units. You
end up with single phase. Possibly only a 3HP spindle but do you need a bigger
one? The Chinese AC Servos appear to be pretty good. Even the squeal problem
from my spindle 1.8kW motor was a parameter error. Quickly solved.
That's a SERIOUSLY large machine! Various units may have
different spindle motors, but at least one was 10 Hp.
Probably several HP axis motors. Note the nameplate shows a
29 KVA load!
Jon
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