They don't even always have the extra sticker. Most of the ones we have that came in machines here don’t.
Todd Zuercher P. Graham Dunn Inc. 630 Henry Street Dalton, Ohio 44618 Phone: (330)828-2105ext. 2031 -----Original Message----- From: Stuart Stevenson <stus...@gmail.com> Sent: Tuesday, March 21, 2023 8:15 PM To: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net> Subject: Re: [Emc-users] OT: Air cooled router spindle problem [EXTERNAL EMAIL] Be sure links are safe. Dark thought remove the extra sticker and ship the drive anywhere On Tue, Mar 21, 2023 at 11:38 AM Todd Zuercher <to...@pgrahamdunn.com> wrote: > As far as the firmware goes, it is not an option for the end users to > change a Yaskawa drive's firmware. (At least that is what I was told > when I was shopping for a new drive.) The drive's firmware can't be > re-flashed by the end user and I don't even think they will give out > the HF code or the equipment for their techs to reflash them at a > dealer or repair facility. It all seems rather fishy to me. Most of > the HF Yaskawa drives I have, are labeled like the regular low freq. > drives, and list 400hz as their max freq. on the drive's label. They > just have a sticker stuck on above the old printed label showing the > part number for the HF firmware (the regular drive's part number with > 1F-056 stuck on the end). There is no other outward difference in > appearance between the regular and the HF drives. (see attached > picture if it goes through.) I really don't think there is any real > difference in the actual hardware. (It does seem odd that they > wouldn't just reprint the whole label with the correct output freq. > and any other applicable differences.) > > Todd Zuercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > -----Original Message----- > From: Leonardo Marsaglia <ldmarsag...@gmail.com> > Sent: Tuesday, March 21, 2023 9:07 AM > To: Enhanced Machine Controller (EMC) > <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] OT: Air cooled router spindle problem > > [EXTERNAL EMAIL] Be sure links are safe. > > Thanks a lot Todd! > > That works perfect. I didn't mess around with the firmware yet but > since 590hz of max frequency is doing fine for me I didn't worry. > > > > El lun., 20 de marzo de 2023 10:30, Todd Zuercher > <to...@pgrahamdunn.com> > escribió: > > > You're minimum frequency and voltage don't seem right. You won't be > > able to command a speed below 6000RPM. Which might not be all bad, > > but that may also mean that the 0.1v from the analog command input > > may = 6000rpm and 10v = 590hz. This might through off your speed > > command output from your controller. The bigger problem might be > > that your volt hz curve output will be 16.2v @ 200hz then linearly > > to interpolated to 0 below that and linearly interpolated up from > > that point to your mid-range setting of 32.2v @ 300hz, and then > > linearly from there up to 380v @ 400hz. With those settings I'm > > going to guess > that you will have almost no torque below about > > 350rpm. (Maybe not even enough to get the spindle running.) 162.0v @ > > 200hz and 322.0v @ 300hz would sound more normal for a 380v high > > speed spindle to me. Attached are some example Yaskawa VFD settings > > from a CNC router manufacturer for some of their spindles used in the past. > > (These are for an older 626 model drive, and some of those charts > > are not high speed router spindles, but the parameter numbers are > > usually similar for the newer model drives.) > > > > You might also be able to run the drive's auto tuning feature. It > > may or may not work. Usually auto tuning in a VFD is geared towards > > setting up 50-60hz motors. I suspect it often doesn't work for high > > speed spindles designed to operate above 300hz. (All of the drive's > > I've set up using the high speed firmware option have the auto > > tuning feature disabled and it can't be used.) > > > > The GA500 drive series is available with the high speed firmware > > option, Did you try to get one of those? > > > > Todd Zuercher > > P. Graham Dunn Inc. > > 630 Henry Street > > Dalton, Ohio 44618 > > Phone: (330)828-2105ext. 2031 > > > > -----Original Message----- > > From: Leonardo Marsaglia <ldmarsag...@gmail.com> > > Sent: Sunday, March 19, 2023 6:18 PM > > To: Enhanced Machine Controller (EMC) > > <emc-users@lists.sourceforge.net> > > Subject: Re: [Emc-users] OT: Air cooled router spindle problem > > > > [EXTERNAL EMAIL] Be sure links are safe. > > > > By the way, the red ones are the ones I modified to suit what I > > think the motor should be. Please correct me if I'm wrong. > > > > El dom, 19 mar 2023 a las 19:17, Leonardo Marsaglia (< > > ldmarsag...@gmail.com>) > > escribió: > > > > > Hi guys, and thanks for all the responses! > > > > > > Well, we tested another cable and the problem seems to be the same > > > so I got a yaskawa GA500 vfd which goes up to 590 hz so it's fine > > > for me since I rarely went above 500 hz with the other VFD. > > > > > > Is there any consideration about how to set up this VFD? Because > > > it seems more complex than the one I've been using, so your > > > experience will be more than useful to me. > > > > > > I attached a pic of the motor parameters. Those are the ones I'm > > > most worried about. > > > > > > > > > > > > El sáb, 18 mar 2023 a las 23:43, Ryan McIntosh (<r...@pebkac.ca>) > > > escribió: > > > > > >> You can get a cable tracer and ring it as well. Lock out the VFD > > >> and you don't even have to disconnect anything if you can reach > > >> in and get clips on the UVW wires. A break in the insulation > > >> will show up as a bright spot and a break in the conductors will > > >> be marked by a sharp drop off. > > >> > > >> If that is what happened, I'd recommend getting a high quality > > >> _drag_ cable for future. They'll be marked TRVVP > > >> > > >> > > >> *Ryan McIntosh* > > >> E4F Designs > > >> (204)770-3682 > > >> r...@pebkac.ca > > >> > > >> > > >> On Sat, Mar 18, 2023 at 7:22 AM Roland Jollivet < > > >> roland.jolli...@gmail.com> > > >> wrote: > > >> > > >> > A break in one of the wires would cause it be on two phases, > > >> > vibrate and not run. Definitely intermittent as it flexes. A > > >> > piece of cable is so > > >> cheap > > >> > compared to another VFD. Just strap another cable onto the > > >> > cable chain > > >> and > > >> > run it for a few hours. > > >> > If it doesn't fail, it's not conclusive, but if it does, then > > >> > you know > > >> for > > >> > certain it's the VFD. > > >> > > > >> > Cables that flex are a consumable, unless it's very high > > >> > quality Lapp > > >> cable > > >> > or other. > > >> > > > >> > Roland > > >> > > > >> > > > >> > On Fri, 17 Mar 2023 at 02:50, Leonardo Marsaglia > > >> > <ldmarsag...@gmail.com > > >> > > > >> > wrote: > > >> > > > >> > > Hi Gene, > > >> > > > > >> > > Well, it's a little tricky because of the amount of cables I > > >> > > have > > >> running > > >> > > next to the ones of the spindle. But I checked the integrity > > >> > > of the > > >> cable > > >> > > and by visual inspection it all looks alright. It's a 3 wire > > >> > > cable > > >> with > > >> > the > > >> > > black insulating cover so it's pretty well protected. > > >> > > > > >> > > I really doubt the cable is the problem from what I've > > >> > > experienced and > > >> > from > > >> > > the condition of the cable in general. > > >> > > > > >> > > El jue., 16 de marzo de 2023 16:52, gene heskett < > > >> ghesk...@shentel.net> > > >> > > escribió: > > >> > > > > >> > > > On 3/16/23 12:44, Leonardo Marsaglia wrote: > > >> > > > > I've checked that the terminals are connected well but I > > >> > > > > didn't > > >> check > > >> > > for > > >> > > > > the entire cable to be alright. > > >> > > > > > > >> > > > > I thought about it but I really didn't think such an > > >> > > > > intermittent > > >> > > failure > > >> > > > > could be caused by the cable alone. Do you recommend to > > >> > > > > install a > > >> new > > >> > > > cable > > >> > > > > just in case? > > >> > > > > > > >> > > > That depends on how old that cable is, and how much flexing > > >> > > > it has endured in its time. And in some instances, what > > >> > > > color the plastic > > >> > used > > >> > > > for insulation is. Magenta, aka hot red or hot pink, > > >> > > > contains a > > >> > chemical > > >> > > > I can't name but it destroys the copper in the wire by > > >> > > > converting > > >> it to > > >> > > > a fine, rust colored powder that may, or may not, properly > > >> > > > conduct electricity. That color is most often found in > > >> > > > two-way radio > > >> microphone > > >> > > > cords as the connection to the tx button, or today, more > > >> > > > commonly as > > >> > the > > >> > > > outer jacket of a sata drive cable in your computers. In > > >> > > > either > > >> case, > > >> > > > the failure rate by the time its 5 years old, is well up > > >> > > > the far > > >> end of > > >> > > > the well known bathtub curve. I long ago changed all of > > >> > > > mine out for > > >> > any > > >> > > > color but hot red/aka magenta. End of drive errors. > > >> > > > > > >> > > > I have serious doubts that is the problem in this case, > > >> > > > since the currents involved are definitely capable of > > >> > > > starting a noticeable > > >> fire. > > >> > > > But a hand, run along the length of the cable, looking for > > >> > > > hot spots when the failure is in evidence might not be a > > >> > > > bad > idea. > > >> > > > Or better > > >> yet, > > >> > > > tracing the wire with an IR thermometer or infra-red camera. > > >> > > > > > >> > > > > El jue., 16 de marzo de 2023 13:37, Todd Zuercher < > > >> > > to...@pgrahamdunn.com > > >> > > > > > > >> > > > > escribió: > > >> > > > > > > >> > > > >> Have you checked your cabling between the motor and VFD? > > >> > > > > > >> > > > And please folks, take a break on the mail server, and trim > > >> > > > your > > >> posts > > >> > > > down to the context of your reply. > > >> > > > Cheers, Gene Heskett. > > >> > > > -- > > >> > > > "There are four boxes to be used in defense of liberty: > > >> > > > soap, ballot, jury, and ammo. Please use in that order." > > >> > > > -Ed Howdershelt (Author, 1940) If we desire respect for the > > >> > > > law, we must first make the law > > >> > respectable. > > >> > > > - Louis D. Brandeis > > >> > > > Genes Web page > > >> > > > <https://nam04.safelinks.protection.outlook.com/?url=http%3 > > >> > > > A% > > >> > > > 2F > > >> > > > %2Fgeneslinuxbox.net%3A6309%2F&data=05%7C01%7Ctoddz%40pgrah > > >> > > > am > > >> > > > du > > >> > > > nn.com%7C84619b285bd44f15c74b08db28c7c421%7C5758544c573f47c > > >> > > > eb > > >> > > > ee > > >> > > > 96c3e0806fb43%7C0%7C0%7C638148610702080880%7CUnknown%7CTWFp > > >> > > > bG > > >> > > > Zs > > >> > > > b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJ > > >> > > > XV > > >> > > > CI > > >> > > > 6Mn0%3D%7C3000%7C%7C%7C&sdata=1PPFNEHl6OnJ%2FhNLBnp8jB%2BLR > > >> > > > VA > > >> > > > %2 BqTlxItC84EdFPAo%3D&reserved=0> > > >> > > > > > >> > > > > > >> > > > > > >> > > > _______________________________________________ > > >> > > > Emc-users mailing list > > >> > > > Emc-users@lists.sourceforge.net > > >> > > > 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