oh yeah? with being totally deaf in my left ear and 60% loss in my right ear I never heard anything like that!
On Fri, Jul 1, 2022 at 7:30 PM Jon Elson <el...@pico-systems.com> wrote: > On 6/26/22 00:13, m...@mattshaver.com wrote: > > On 2022-06-25 18:30, Jon Elson wrote: > >> On 6/25/22 15:56, Jon Elson wrote: > >>> Hello, all, > >>> > >>> I just got an R2E3 Bridgeport mill in my basement, and > >>> will be doing a LinuxCNC retrofit. > >>> > >>> I seem to recall the NC400 servo amps create a maddening > >>> squeal, is that correct, or an I remembering some other > >>> system? > > > > The V2E3 I started with used to squeal mightily when the > > amps were enabled. > > Just an update. I am jury-rigging power to various things > and finally got enough stuff set up so I had analog/logic > power on the servo amps and could put 84 V DC on the power > section. I did hear a 5 KHz whine from the one amp that was > actually connected to a motor, but it was not very loud. > I'm guessing that with the cabinet closed and fans running, > it won't be all that bad. Going from 60 - 84 V did not > seem to make it much louder. I was able to turn the offset > pot and make it move faster or slower or go the other > direction. I'm only moving the Y axis as the lube metering > orifices seem to be clogged up, and Y is the only one that > is getting any visible oil. I have ordered a bunch of > missing handles, way wipers, Kwik-Switch tooling and a > bigger VFD. I think Stuart Stevenson's Dah-Lih at MPM had > NC400 amps, and the whine was astoundingly loud, even with > ear protectors on. I was worried about that, and if it had > been even 20 dB less than that machine, I would have had to > replace my servo amps. > > Jon > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Addressee is the intended audience. If you are not the addressee then my consent is not given for you to read this email furthermore it is my wish you would close this without saving or reading, and cease and desist from saving or opening my private correspondence. Thank you for honoring my wish. _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
