By the way. Could a not so good earth grounding of the machine cause this failure? Although the machine is grounded as always and the VFD was working perfectly for more than 6 months.
El jue., 16 de marzo de 2023 11:47, Leonardo Marsaglia < ldmarsag...@gmail.com> escribió: > Hi again guys, > > Some news about the problem. I just cut 1 board with the spindle working > perfectly. > > Now with the second board we have problems again. Now we don't have > overcurrent but full rotor slipping. > > The VFD reaches the frequency and the whining sounds good but absolutely > no rotor movement. When I touch by hand I can feel it a little hard to turn > and also I can feel the vibration. When I command the VFD to stop the rotor > feels like always smooth and with no resistance. > > I think I'm going to purchase a new VFD because I don't know how much I > can play with this one without a solution. I mean an hour ago it was > working perfectly. And between starts and stops this happens and nothing > seems to fix it. The spindle is even colder now than when it was working > ok. > > Just wanted to tell you so you can let me know your thoughts, but I guess > this VFD is the problem. > > El mar., 14 de marzo de 2023 21:07, Leonardo Marsaglia < > ldmarsag...@gmail.com> escribió: > >> I can imagine marginal settings push a system over the edge into failure >>> at extreme temperatures. Just for example, I was setting up a Yaskawa F7 >>> hi-frequency drive for a 13kw 24k rpm spindle a couple weeks ago. The >>> drive was starting and running the spindle seemingly fine while I was >>> testing it. But when we started production we ran into an issue. Normally >>> the drive would only take a few seconds to spin the spindle up to cutting >>> speed. But once it was warmed up it would start to over current on >>> accelerating and pause the acceleration to try to prevent the overload. >>> The result was the spindle wasn't up to speed when the control started the >>> cut and snapped off the bit. The settings were close enough to prevent the >>> drive overloading and shutting down but not close enough to get the spindle >>> running right. The problem ended up being that the minimum frequency and >>> voltage were not set to the defaults (used drive) and the min-volt setting >>> was too high causing the drive to overload when starting up the spindle. >>> When I was testing it, I was only seeing a brief blip of twenty some odd >>> amps of current when the spindle was accelerating from stopped. I didn't >>> think that seemed out of place. But once the spindle warmed up it was >>> enough to freak out the drive and cause it to slow the spindle acceleration >>> way down. I can't remember what I changed the minimum voltage from, but I >>> lowered it significantly. After doing that the current output to the >>> spindle when accelerating from stopped stays in the mid-teens, and it >>> always accelerates quickly at the programmed rate. >>> >>> Is your drive a Yaskawa? What exactly are the drive fault messages? >>> >> >> This is a Simphoenix E580 (or E280 depending on the market) chinese VFD. >> >> The fault I'm getting is overcurrent during operation. There's an >> overcurrent during acceleration but that's not the one I'm getting although >> the VFD is failing to get to the working speed. There's a parameter I can >> try tomorrow that's called revolution tracking start. The manual says the >> following: >> >> 1: Revolution tracking start >> It is applicable to the occasion of fault resetting and restart and >> restart after power-off. The inverter >> will automatically judge the running speed and direction of the motor, >> and starts the rotating motor in >> a smooth and impact-free way according to the detection and judge >> results; see below figure for the >> revolution tracking start sketch. >> >> I'll keep reading to see If I can find a way to modify the voltage during >> acceleration to avoid overcurrent also. >> >> >> El mar, 14 mar 2023 a las 18:06, Todd Zuercher (<to...@pgrahamdunn.com>) >> escribió: >> >>> I can imagine marginal settings push a system over the edge into failure >>> at extreme temperatures. Just for example, I was setting up a Yaskawa F7 >>> hi-frequency drive for a 13kw 24k rpm spindle a couple weeks ago. The >>> drive was starting and running the spindle seemingly fine while I was >>> testing it. But when we started production we ran into an issue. Normally >>> the drive would only take a few seconds to spin the spindle up to cutting >>> speed. But once it was warmed up it would start to over current on >>> accelerating and pause the acceleration to try to prevent the overload. >>> The result was the spindle wasn't up to speed when the control started the >>> cut and snapped off the bit. The settings were close enough to prevent the >>> drive overloading and shutting down but not close enough to get the spindle >>> running right. The problem ended up being that the minimum frequency and >>> voltage were not set to the defaults (used drive) and the min-volt setting >>> was too high causing the drive to overload when starting up the spindle. >>> When I was testing it, I was only seeing a brief blip of twenty some odd >>> amps of current when the spindle was accelerating from stopped. I didn't >>> think that seemed out of place. But once the spindle warmed up it was >>> enough to freak out the drive and cause it to slow the spindle acceleration >>> way down. I can't remember what I changed the minimum voltage from, but I >>> lowered it significantly. After doing that the current output to the >>> spindle when accelerating from stopped stays in the mid-teens, and it >>> always accelerates quickly at the programmed rate. >>> >>> Is your drive a Yaskawa? What exactly are the drive fault messages? >>> >>> 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 14, 2023 3:30 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. >>> >>> About the configuration. I don't know how to post that without making a >>> mess but I just used the parameters that the spindle manufacturer sent me. >>> With that config I was working ok for more than 6 months. So unless >>> something was right there at the limit too far from the correct one. The >>> main change here is ambient temperature. It's been almost 3 weeks with >>> temperatures of about 38°C. >>> >>> El mar, 14 mar 2023 a las 16:04, Todd Zuercher (<to...@pgrahamdunn.com>) >>> escribió: >>> >>> > Most of the big VFD manufactures do offer high frequency versions of >>> > their VFDs but you might have to call and ask for it. For most it is >>> > simply loading in a special firmware version at the factory that >>> > allows the drive to be set to the higher frequency. There is usually >>> > a compromise though and a number of other normal features must be >>> > disabled because they don't work at the high frequency. For example >>> > with the current Yaskawa V1000 drive, the high frequency version goes >>> > up to 1000hz (1500hz under certain circumstances), but it loses all >>> > auto tuning features, flux vector control and a list of other things >>> > are disabled. (Comes with a 10page or so supplement to the manual >>> > covering all of the changes from the stock >>> > firmware.) But they can be difficult to order. We tried to order a >>> > new Yaskawa drive more than a year ago, finally last month, after the >>> > 3rd time of the shipping date getting pushed back, we got tired >>> > waiting, canceled the order and bought a used drive off Ebay. Also >>> > they won't sell them to just anyone, you can't live in the wrong >>> > country and have to offer some proof you have a legitimate use for it. >>> > >>> > PS, I'm still more inclined to thinking either there is a problem with >>> > the VFD's configuration, or the spindle bearings are going bad. I've >>> > never had a drive cause problems like you're describing (not that I >>> > have that much experience with drives going bad.) Usually either they >>> > work or they don't. I've had rectifiers go bad and was able to >>> > replace them and put the drive back in service. Others that just died >>> > I was not able to pinpoint the failure and just had to replace them. >>> > This last drive I had to replace, I could see being a capacitor >>> > problem. It would fail to power up for a couple of hours after first >>> turning on the machine in the morning. >>> > It would run fine all week as long as it was left on, or if only >>> > turned off for a few seconds but over night or the weekend it was wait >>> > for the power LED on the drive to turn on, then cycle the power to the >>> > machine to clear the alarms and you were good to go. >>> > >>> > 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 14, 2023 1:32 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. >>> > >>> > Hi guys, hope you are doing well. >>> > >>> > Well, today I tested it again and had the same behaviour as before. It >>> > works perfectly at the beginning but then it fails and gives me an >>> > overcurrent alarm. >>> > >>> > I took it apart and nothing seems to be wrong at first sight. I'm >>> > thinking about replacing the capacitors module but for that I'll have >>> > to wait a couple of weeks for the new module to arrive. I can desolder >>> > and install new capacitors on this module, but I can't find something >>> > as big as these ones here in Argentina. So I think I'll get a new VFD >>> > and with that solved I'll repair this one. >>> > >>> > The best VFD I can get here in terms of cost benefit is a YASKAWA >>> > GA500 that reaches up to 590 Hz. It's more than ok for me since I >>> > don't usually go more than 500 Hz with this one so that's my solution >>> at this point. >>> > >>> > >>> > El mar, 14 mar 2023 a las 9:16, Todd Zuercher >>> > (<to...@pgrahamdunn.com>) >>> > escribió: >>> > >>> > > No, they are not. Yes most small high speed router spindles (less >>> > > than >>> > > 10hp) are 2 pole. But all of the big HSK-63f tool changer spindles >>> > > on our big routers at work (9kw+) are 4 pole. Which by the way >>> > > makes getting a suitable VFD to run them much much more difficult. >>> > > Most VFDs are limited to max output frequencies of about 500hz. >>> > > (Something about preventing people from building high speed >>> > > centrifuges I think.) >>> > > >>> > > Todd Zuercher >>> > > P. Graham Dunn Inc. >>> > > 630 Henry Street >>> > > Dalton, Ohio 44618 >>> > > Phone: (330)828-2105ext. 2031 >>> > > >>> > > -----Original Message----- >>> > > From: Viesturs Lācis <viesturs.la...@gmail.com> >>> > > Sent: Tuesday, March 14, 2023 6:18 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. >>> > > >>> > > Leonardo, are you sure about those Hz vs. RPM numbers? AFAIK all >>> > > high speed spindles are 2-pole motors (correct me if I am wrong on >>> > > this), then you should have 200 Hz for 200 RPS = 12000 RPM and 400 >>> > > Hz for 400 RPS = >>> > > 24000 RPM >>> > > >>> > > Viesturs >>> > > >>> > > pirmd., 2023. g. 13. marts, plkst. 18:55 — lietotājs Leonardo >>> > > Marsaglia (< >>> > > ldmarsag...@gmail.com>) rakstīja: >>> > > > >>> > > > By the way, the nominal frequency is 400 hz at 12000 rpm. Nominal >>> > > > voltage is 380 volts but that varies of course when the VFD is >>> > > > working. Max frequency is 800 hz at 24000 rpm but I never came >>> > > > close to >>> > > that. >>> > > > >>> > > > El lun, 13 mar 2023 a las 13:50, Leonardo Marsaglia >>> > > > (<ldmarsag...@gmail.com>) >>> > > > escribió: >>> > > > >>> > > > > Hi Todd, and thanks for the response! >>> > > > > >>> > > > > Well the manufacturer only gave nominal and max speed for the >>> > > > > spindle and a couple of graphics to see the u.f. and p.f. curves >>> > > > > to >>> > > have some guidance. >>> > > > > I'm always using the spindle at 15000 rpm so I think that's ok. >>> > > > > Also I've been using it like this for more than 6 months with no >>> > > > > troubles and it was working almost 10 hours straight each day. >>> > > > > >>> > > > > The spindle sounds right when at high speed and with no cutting >>> > > > > forces involved, I can't feel any difference from the first time >>> > > > > I tested it. Also by hand it feels the same as always but that >>> > > > > could be my perception off course. >>> > > > > >>> > > > > Anyway, last Saturday we tested it again. First 25 minutes of >>> > > > > warming up without cutting. The temperature settled at 55°C at >>> > > > > the body of the spindle. Then we cut a board for about 40 >>> > > > > minutes. We monitored the spindle temperature at the bearings >>> > > > > and stator and never exceeded the 65°C at the stator / 57°C at >>> > > > > the bearings. VFD current, voltage and internal temperature were >>> > > > > ok (no more than 43°C when working at full load on the VFD). >>> > > > > Then we started to cut another board and that's when the VFD >>> > > > > started giving problems. At the moment we tried to accelerate >>> > > > > the spindle to 15000 rpm (I'm using a 10 seconds ramp >>> > > > > approximately to reach 15000 rpm) the overcurrent alarm started >>> . There was no way of making it to work. >>> > > > > It >>> > > looks to me that the VFD could be the problem because everything >>> > > else was ok. >>> > > > > >>> > > > > Today I'm going to test it again before taking it apart, and >>> > > > > then I'll open it and check the capacitors and all the joints to >>> > > > > see if I see an evident problem there. But I'm almost 100% sure >>> > > > > the problem is >>> > > in the VFD. >>> > > > > >>> > > > > >>> > > > > >>> > > > > El lun, 13 mar 2023 a las 13:19, Todd Zuercher >>> > > > > (<to...@pgrahamdunn.com>) >>> > > > > escribió: >>> > > > > >>> > > > >> The wrong VFD settings can cause an overheat due to overcurrent. >>> > > > >> Were you running the spindle at lower RPMs? Router spindles >>> > > > >> generally don't like running at speeds less than 6000rpm, >>> > > > >> especially if the VFD settings aren’t right. The VFD needs to >>> > > > >> be set so that it reduces the voltage applied with reduced >>> frequency. >>> > > > >> If this volt/hz reduction curve isn't right, either you can >>> > > > >> over current and overheat the motor at lower speeds, or if set >>> > > > >> too low you lose what little torque the spindle has. To know >>> > > > >> what these settings need to be set to you need to know the >>> > > > >> motor's rated speed and voltage at those speeds and current >>> > > > >> ratings. If the spindle manufacturer didn't supply a midrange >>> > > > >> voltage setting, you may need >>> > > to find that setting experimentally. >>> > > > >> >>> > > > >> That said, high speed spindle bearings can be failing and the >>> > > > >> spindle still spin mostly freely by hand, but the spindle will >>> > > > >> be loud at speed due to vibration and will overheat if run for >>> > > > >> extended periods of time at speed. A high speed spindle should >>> > > > >> be very quiet at speed (not sound like a conventional router >>> > > > >> motor.) Check for any slightest notchy-ness, when turning the >>> > > > >> spindle by hand. It is often more cost-effective to have a >>> > > > >> loud spindle rebuilt before it totally fails, than to run it >>> > > > >> till it won’t run anymore and then try to rebuilt it or have to >>> > > > >> replace it because >>> > > damage to the spindle is too severe. >>> > > > >> >>> > > > >> What are your spindle motor’s rated speed, voltage and current? >>> > > > >> What do you have the VFD set up for minimum, maximum, base and >>> > > > >> mid-range voltages, and frequencies? Yes, those are 8 separate >>> > > > >> settings that most VFDs need to have configured to run a high >>> > > > >> speed spindle correctly. Unfortunately many times the spindle >>> > > > >> manufacture will only provide you with the spindle’s rated >>> > > > >> frequency and voltage (use this for the “Base” frequency and >>> > > > >> voltage in the VFD) and the maximum frequency and maybe >>> voltage. >>> > > > >> If you are lucky and the spindle manufacture provided you with >>> > > > >> some numbers to use for the mid-range settings if so, use them. >>> > > > >> They may not be called that, it might just look like a low or >>> > > > >> minimum speed setting with a reduced voltage (might be 5-7k >>> rpm). >>> > > > >> If you don’t have a recommendation from the spindle >>> > > > >> manufacture, experiment with different mid-range voltage >>> > > > >> settings to find one that >>> > > keeps the VFD’s current output safely below the spindles rated >>> > > continuous current. >>> > > > >> >>> > > > >> For example I was just working at replacing a VFD for an HSD >>> > > > >> spindle that had recommendations for 7k rpm @ 220v for the >>> > > > >> mid-range, but I also had to set the minimum frequency and >>> > > > >> voltage to 0.5Hz and 1.0v, to prevent the motor from >>> > > > >> occasionally stalling on acceleration when starting from >>> > > > >> stopped. When those settings were incorrect the drive would >>> > > > >> overcurrent and shut down. When they were close but not quite >>> > > > >> right the drive would run at high current and not always >>> > > > >> accelerate correctly (stalling). With them correct the drive >>> > > > >> accelerates the spindle quickly and only shows peak >>> > > currents of about 15amps while doing it. >>> > > > >> >>> > > > >> PS I meant to send this last week, but forgot to click send, so >>> > > > >> it sat on my work computer till this morning. >>> > > > >> >>> > > > >> 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: Wednesday, March 08, 2023 9:20 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. >>> > > > >> >>> > > > >> In fact, the day the rotor slipped, when the spindle cooled >>> > > > >> down a bit, it started to work ok until I had the problem >>> > > > >> again. What I'm mostly worried about is, if this was caused due >>> > > > >> to an overheat, why did that overheat occur in the first place? >>> > > > >> >>> > > > >> El mié, 8 mar 2023 a las 11:17, Leonardo Marsaglia (< >>> > > > >> ldmarsag...@gmail.com>) >>> > > > >> escribió: >>> > > > >> >>> > > > >> > Most high speed spindles (such as router spindles) are rather >>> > > > >> > particular >>> > > > >> >> about how the VFD is configured because of their low >>> inductance. >>> > > > >> >> What are your settings for base frequency and voltage? You >>> > > > >> >> may need to adjust the settings for midrange frequency and >>> voltage. >>> > > > >> >> What these settings will do is adjust the volts/hertz curve >>> > > > >> >> to help keep the motor from overcurrent when running at >>> > > > >> >> lower RPMs, and help prevent stalls/excessive slippage on >>> acceleration. >>> > > > >> >> These settings usually need to be significantly different >>> > > > >> >> from most VFD's default setting (which are usually >>> > > > >> >> configured for a 60hz >>> > > > >> >> motor.) >>> > > > >> > >>> > > > >> > >>> > > > >> > Hi Todd, >>> > > > >> > >>> > > > >> > I'll take a look and attach my settings as soon as possible >>> > > > >> > for you to see. But this setup was working well until the >>> > > > >> > extreme heat days >>> > > > >> started. >>> > > > >> > >>> > > > >> > Could it be that the ambient temperature (40ºC or more) could >>> > > > >> > have made the rotor slip effect worse? Maybe I was on the >>> > > > >> > limit before and the extreme heat conditions triggered the >>> effect? >>> > > > >> > >>> > > > >> > Thank you! >>> > > > >> > >>> > > > >> > El mié, 8 mar 2023 a las 10:57, Todd Zuercher >>> > > > >> > (<to...@pgrahamdunn.com>) >>> > > > >> > escribió: >>> > > > >> > >>> > > > >> >> Most high speed spindles (such as router spindles) are >>> > > > >> >> rather particular about how the VFD is configured because of >>> > > > >> >> their low inductance. What are your settings for base >>> > > > >> >> frequency and >>> > voltage? >>> > > > >> >> You may need to adjust the settings for midrange frequency >>> > > > >> >> and voltage. What these settings will do is adjust the >>> > > > >> >> volts/hertz curve to help keep the motor from overcurrent >>> > > > >> >> when running at lower RPMs, and help prevent >>> > > > >> >> stalls/excessive slippage on acceleration. These settings >>> > > > >> >> usually need to be significantly different from most VFD's >>> > > > >> >> default setting (which are usually configured for a 60hz >>> > > > >> >> motor.) >>> > > > >> >> >>> > > > >> >> 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 07, 2023 10:05 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. >>> > > > >> >> >>> > > > >> >> Well, I tested it for almost an hour with no load at 15000 >>> > > > >> >> RPM and the temperature settled at 55ºC in the bottom side >>> > > > >> >> where the bearings for the tool holder are, and almost 65º >>> > > > >> >> in the body part where the >>> > > > >> stator is. >>> > > > >> >> According to one of the Chinese suppliers of these spindles, >>> > > > >> >> 75ºC it's a pretty common working temperature. I'm still >>> > > > >> >> waiting for a detailed answer from the factory. This time, >>> > > > >> >> the VFD worked fine, no whining with no rotor spin. Now I >>> > > > >> >> need to cut some wood while monitoring the temperature >>> > > > >> >> during the process and hope the temperature >>> > > > >> doesn't go too high. >>> > > > >> >> >>> > > > >> >> Anyway, I'm looking for new VFD drives just in case. From >>> > > > >> >> what I can tell the problem could be the VFD as Gene and Jon >>> > > > >> >> pointed >>> > out. >>> > > > >> >> >>> > > > >> >> I'll let you know how it goes when cutting wood again. >>> > > > >> >> >>> > > > >> >> Thanks to all for your help! :) >>> > > > >> >> >>> > > > >> >> El dom, 5 mar 2023 a las 18:11, gene heskett >>> > > > >> >> (<ghesk...@shentel.net>) >>> > > > >> >> escribió: >>> > > > >> >> >>> > > > >> >> > On 3/5/23 12:59, Leonardo Marsaglia wrote: >>> > > > >> >> > > By the way, one subtle thing I noticed too that leads me >>> > > > >> >> > > to the bearings >>> > > > >> >> > as >>> > > > >> >> > > a problem. >>> > > > >> >> > > >>> > > > >> >> > > Normally when the spindle is off and the dust removal >>> > > > >> >> > > vacuum system is working, the spindle tends to spin by >>> > > > >> >> > > itself because of the vacuum action on the impeller I >>> > installed. >>> > > > >> >> > > This almost never happened yesterday. So, to sum up: I >>> > > > >> >> > > was able to free turn the spindle by hand at all times, >>> > > > >> >> > > but the vacuum was not always able to make it spin the >>> > > > >> >> > > impeller and if it did it wasn't nearly as fast as days >>> > > > >> >> > > before. This is what makes me suspect about the bearings. >>> > > > >> >> > > Also, almost all the problems I experienced yesterday >>> > > > >> >> > > were with cutting forces involved, never with the >>> > > > >> >> > > spindle turning free. Could >>> > > > >> >> > it >>> > > > >> >> > > be that the extra heat and torque that's building up >>> > > > >> >> > > because of a damaged bearing is what's making the VFD >>> > > > >> >> > > triggering for >>> > > > >> overcurrent? >>> > > > >> >> > > >>> > > > >> >> > > What puzzles me still is when the spindle was too hot >>> > > > >> >> > > and with no load >>> > > > >> >> > the >>> > > > >> >> > > VFD only whined and couldn't make the spindle turn. >>> > > > >> >> > > This, as Jon pointed out, recovered on its own a few >>> minutes later. >>> > > > >> >> > > >>> > > > >> >> > > I'll be there doing some tests in a few hours so I'll >>> > > > >> >> > > let you know if I >>> > > > >> >> > can >>> > > > >> >> > > note anything new. >>> > > > >> >> > > >>> > > > >> >> > > Again a lot of thanks to you guys for being so kind and >>> > > helpful! >>> > > > >> >> > > :) >>> > > > >> >> > > >>> > > > >> >> > > El sáb, 4 mar 2023 a las 15:51, Leonardo Marsaglia (< >>> > > > >> >> > ldmarsag...@gmail.com>) >>> > > > >> >> > > escribió: >>> > > > >> >> > > >>> > > > >> >> > >> Hi guys. >>> > > > >> >> > >> >>> > > > >> >> > >> Sorry for the OT but I'm having a strange behavior with >>> > > > >> >> > >> my spindle and >>> > > > >> >> > I'm >>> > > > >> >> > >> a little worried. >>> > > > >> >> > >> >>> > > > >> >> > >> The problem I had today for the first time is the >>> > > > >> >> > >> spindle was getting really hot and started to slip (you >>> > > > >> >> > >> could hear the frequency from the inverter was on spot >>> > > > >> >> > >> but the rotor sometimes wasn't even turning).After >>> > > > >> >> > a >>> > > > >> >> > >> few seconds of slipping the VFD triggered the over >>> > > > >> >> > >> current alarm and the spindle was stopped. Once the the >>> > > > >> >> > >> spindle cooled down it worked >>> > > > >> >> > perfectly. >>> > > > >> >> > >> This never happened before but also I must clarify that >>> > > > >> >> > >> today the >>> > > > >> >> > ambient >>> > > > >> >> > >> temperature reached 40⁰C and I'm sure that under that >>> > > > >> >> > >> roof where the >>> > > > >> >> > router >>> > > > >> >> > >> is placed there were 45⁰C so I suspect this has >>> > > > >> >> > >> something to do with the problem. >>> > > > >> >> > >> >>> > > > >> >> > >> The spindle is rated 11kw of max power output and is >>> > > > >> >> > >> air >>> > > cooled. >>> > > > >> >> > >> It has >>> > > > >> >> > a >>> > > > >> >> > >> built in fan motor so it doesn't rely on spindle speed >>> > > > >> >> > >> for >>> > > > >> cooling. >>> > > > >> >> > >> It always gets warm (there are several labels on the >>> > > > >> >> > >> spindle’s body for caution because of the heat) but >>> > > > >> >> > >> nothing >>> > > like today. >>> > > > >> >> > >> >>> > > > >> >> > >> Could this be normal because of the extremely hot days >>> > > > >> >> > >> I'm having >>> > > > >> >> here? >>> > > > >> >> > >> Should I think about changing bearings or even rewind >>> > > > >> >> > >> the >>> > > motor? >>> > > > >> >> > >> I've >>> > > > >> >> > only >>> > > > >> >> > >> had the over current alarms when the spindle was too >>> hot. >>> > > > >> >> > >> >>> > > > >> >> > >> I will be really thankful if you can share your >>> > > > >> >> > >> thoughts about >>> > > > >> this. >>> > > > >> >> > >>> > > > >> >> > I think I'd want to look at the solder joints on the big >>> > > > >> >> > capacitors in the vfd, keeping in mind that they can hold >>> > > > >> >> > quite a charge for quite a while when turned off, and that >>> > > > >> >> > is definitely a lethal voltage. When I said look, I'm >>> > > > >> >> > looking with an old camera lens for a magnifying glass, >>> > > > >> >> > checking for hairline cracks in the solder, particularly >>> > > > >> >> > at the edge of the solder puddle where the copper foil >>> > > > >> >> > begins, that is a favorite place for some seemingly crazy >>> > > > >> >> > thermal effects. And you can't just scrape it down to >>> > > > >> >> > clean copper & bridge it with solder, you must bridge the >>> > > > >> >> > crack with a piece of suitable gauge copper wire when >>> > > > >> >> > patching such. And for future crack development >>> > > > >> >> > protection, a 2% silver bearing solder is much stronger >>> > > > >> than the usual eutectic mix. >>> > > > >> >> > >>> > > > >> >> > Same inspection comments apply to the semi's soldered >>> > > > >> >> > joints, heat sinks can exert joint breaking forces as they >>> > > > >> >> > heat. I have a couple of old 16mm projector lenses that >>> > > > >> >> > get me up close and >>> > > > >> personal views. >>> > > > >> >> > An rch looks like a saw log to them. >>> > > > >> >> > >> >>> > > > >> >> > >> Thanks for your help as always! >>> > > > >> >> > >> >>> > > > >> >> > >> Leonardo. >>> > > > >> >> > >> >>> > > > >> >> > > >>> > > > >> >> > > _______________________________________________ >>> > > > >> >> > > Emc-users mailing list >>> > > > >> >> > > Emc-users@lists.sourceforge.net >>> > > > >> >> > > https://nam04.safelinks.protection.outlook.com/?url=http >>> > > > >> >> > > s% >>> > > > >> >> > > 3A >>> > > > >> >> > > %2F%2< >>> > > > >> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F >>> > > > >> %2 >>> > > > >> 52 >>> > > > >> > >>> > > > >> >> > > Fli%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Ca716ced2 >>> > > > >> >> > > cd >>> > > > >> >> > > 8b >>> > > > >> >> > > 45443 >>> > > > >> >> > > b1208db1fe039ab%7C5758544c573f47cebee96c3e0806fb43%7C0%7 >>> > > > >> >> > > C0 >>> > > > >> >> > > %7 >>> > > > >> >> > > C6381 >>> > > > >> >> > > 38820129481532%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM >>> > > > >> >> > > DA >>> > > > >> >> > > iL >>> > > > >> >> > > CJQIj >>> > > > >> >> > > oiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C >>> > > > >> >> > > &s >>> > > > >> >> > > da >>> > > > >> >> > > ta=rj >>> > > > >> >> > > 6R%2BZb94rpPdzr%2F32kOery9rQ%2Ft47LLFaSdSWYo5h4%3D&reser >>> > > > >> >> > > ve >>> > > > >> >> > > d= >>> > > > >> >> > > 0 >>> > > > >> >> > > sts.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data= >>> > > > >> >> > > 05 >>> > > > >> >> > > %7 >>> > > > >> >> > > C01%7 >>> > > > >> >> > > Cto >>> > > > >> >> > > ddz%40pgrahamdunn.com%7C7c75dca8021a427b281508db1f821107 >>> > > > >> >> > > %7 >>> > > > >> >> > > C5 >>> > > > >> >> > > 75854 >>> > > > >> >> > > 4c5 >>> > > > >> >> > > 73f47cebee96c3e0806fb43%7C0%7C0%7C638138415730530106%7CU >>> > > > >> >> > > nk >>> > > > >> >> > > no >>> > > > >> >> > > wn%7C >>> > > > >> >> > > TWF >>> > > > >> >> > > pbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1 >>> > > > >> >> > > ha >>> > > > >> >> > > Ww >>> > > > >> >> > > iLCJX >>> > > > >> >> > > VCI >>> > > > >> >> > > 6Mn0%3D%7C3000%7C%7C%7C&sdata=s1%2FMmGIe%2BOIgMMj1IgKv6O >>> > > > >> >> > > Ts >>> > > > >> >> > > DF >>> > > > >> >> > > xMuEk >>> > > > >> >> > > 7ms >>> > > > >> >> > > t4mMsD%2FGE%3D&reserved=0 >>> > > > >> >> > >>> > > > >> >> > 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% >>> > > > >> >> > 3A >>> > > > >> >> > %2 >>> > > > >> >> > F%2Fg%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C5c61d550 >>> > > > >> >> > a0 >>> > > > >> >> > 93 >>> > > > >> >> > 493cecaf08db2475a685%7C5758544c573f47cebee96c3e0806fb43%7C >>> > > > >> >> > 0% >>> > > > >> >> > 7C >>> > > > >> >> > 0%7C638143859985022697%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4 >>> > > > >> >> > wL >>> > > > >> >> > jA >>> > > > >> >> > wMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000 >>> > > > >> >> > %7 >>> > > > >> >> > C% >>> > > > >> >> > 7C%7C&sdata=48s1PKOthDl3Q%2FskZ3UcRsFQM51BkvwWffsflmJwVI0% >>> > > > >> >> > 3D >>> > > > >> >> > &r >>> > > > >> >> > eserved=0 >>> > > > >> >> > ene%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Ca716ced2cd >>> > > > >> >> > 8b >>> > > > >> >> > 45 >>> > > > >> >> > 443b1 >>> > > > >> >> > 208db1fe039ab%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7 >>> > > > >> >> > C6 >>> > > > >> >> > 38 >>> > > > >> >> > 13882 >>> > > > >> >> > 0129481532%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJ >>> > > > >> >> > QI >>> > > > >> >> > jo >>> > > > >> >> > iV2lu >>> > > > >> >> > MzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=q >>> > > > >> >> > og >>> > > > >> >> > Bf >>> > > > >> >> > XcZjM >>> > > > >> >> > 79r1NazIK82mCzsnrm4jJaRwbSLdvvPMg%3D&reserved=0 >>> > > > >> >> > slinuxbox.net%3A6309%2F&data=05%7C01%7Ctoddz%40pgrahamdunn >>> > > > >> >> > .c >>> > > > >> >> > om >>> > > > >> >> > %7C7c >>> > > > >> >> > 75d >>> > > > >> >> > ca8021a427b281508db1f821107%7C5758544c573f47cebee96c3e0806 >>> > > > >> >> > fb >>> > > > >> >> > 43 >>> > > > >> >> > %7C0% >>> > > > >> >> > 7C0 >>> > > > >> >> > %7C638138415730530106%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w >>> > > > >> >> > Lj >>> > > > >> >> > Aw >>> > > > >> >> > MDAiL >>> > > > >> >> > CJQ >>> > > > >> >> > IjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C >>> > > > >> >> > &s >>> > > > >> >> > da >>> > > > >> >> > ta=3X tFc >>> > > > >> >> > wOSBSFmFW5t2k9Bzfka64mLqLY4LnhinVrTrWY%3D&reserved=0> >>> > > > >> >> > >>> > > > >> >> > >>> > > > >> >> > >>> > > > >> >> > _______________________________________________ >>> > > > >> >> > Emc-users mailing list >>> > > > >> >> > Emc-users@lists.sourceforge.net >>> > > > >> >> > https://nam04.safelinks.protection.outlook.com/?url=https% >>> > > > >> >> > 3A >>> > > > >> >> > %2 >>> > > > >> >> > F%2Fl%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C5c61d550 >>> > > > >> >> > a0 >>> > > > >> >> > 93 >>> > > > >> >> > 493cecaf08db2475a685%7C5758544c573f47cebee96c3e0806fb43%7C >>> > > > >> >> > 0% >>> > > > >> >> > 7C >>> > > > >> >> > 0%7C638143859985022697%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4 >>> > > > >> >> > wL >>> > > > >> >> > jA >>> > > > >> >> > wMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000 >>> > > > >> >> > %7 >>> > > > >> >> > C% >>> > > > >> >> > 7C%7C&sdata=9WxxwxeFG4mKKZhND%2BOxJCfZRJDzNb%2FWQo0ICNHy%2 >>> > > > >> >> > Fm >>> > > > >> >> > w% >>> > > > >> >> > 3D&reserved=0 >>> > > > >> >> > ist%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Ca716ced2cd >>> > > > >> >> > 8b >>> > > > >> >> > 45 >>> > > > >> >> > 443b1 >>> > > > >> >> > 208db1fe039ab%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7 >>> > > > >> >> > C6 >>> > > > >> >> > 38 >>> > > > >> >> > 13882 >>> > > > >> >> > 0129481532%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJ >>> > > > >> >> > QI >>> > > > >> >> > jo >>> > > > >> >> > iV2lu >>> > > > >> >> > MzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=d >>> > > > >> >> > Au >>> > > > >> >> > IK >>> > > > >> >> > CeZqg >>> > > > >> >> > NHtCWkxG4a%2Bi7p332%2FkPW%2FQNlxo85am7o%3D&reserved=0 >>> > > > >> >> > s.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7 >>> > > > >> >> > C0 >>> > > > >> >> > 1% >>> > > > >> >> > 7Ctod >>> > > > >> >> > dz% >>> > > > >> >> > 40pgrahamdunn.com%7C7c75dca8021a427b281508db1f821107%7C575 >>> > > > >> >> > 85 >>> > > > >> >> > 44 >>> > > > >> >> > c573f >>> > > > >> >> > 47c >>> > > > >> >> > ebee96c3e0806fb43%7C0%7C0%7C638138415730530106%7CUnknown%7 >>> > > > >> >> > CT >>> > > > >> >> > WF >>> > > > >> >> > pbGZs >>> > > > >> >> > b3d >>> > > > >> >> > 8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXV >>> > > > >> >> > CI >>> > > > >> >> > 6M >>> > > > >> >> > n0%3D >>> > > > >> >> > %7C >>> > > > >> >> > 3000%7C%7C%7C&sdata=s1%2FMmGIe%2BOIgMMj1IgKv6OTsDFxMuEk7ms >>> > > > >> >> > t4 >>> > > > >> >> > mM >>> > > > >> >> > sD%2F >>> > > > >> >> > GE% >>> > > > >> >> > 3D&reserved=0 >>> > > > >> >> > >>> > > > >> >> >>> > > > >> >> _______________________________________________ >>> > > > >> >> Emc-users mailing list >>> > > > >> >> Emc-users@lists.sourceforge.net >>> > > > >> >> >>> > > > >> >> https://nam04.safelinks.protection.outlook.com/?url=https%3A >>> > > > >> >> %2 >>> > > > >> >> F% >>> > > > >> >> 2Flis%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C5c61d550a0 >>> > > > >> >> 93 >>> > > > >> >> 49 >>> > > > >> >> 3cecaf08db2475a685%7C5758544c573f47cebee96c3e0806fb43%7C0%7C >>> > > > >> >> 0% >>> > > > >> >> 7C >>> > > > >> >> 638143859985022697%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM >>> > > > >> >> DA >>> > > > >> >> iL >>> > > > >> >> CJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7 >>> > > > >> >> C& >>> > > > >> >> sd >>> > > > >> >> ata=5uvf8vSaMWJ7BHGVWpA370oom4NAkomVmqW3r1Cigro%3D&reserved= >>> > > > >> >> 0 >>> > > > >> >> ts.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C >>> > > > >> >> 01 >>> > > > >> >> %7 >>> > > > >> >> Ctodd >>> > > > >> >> z%40pgrahamdunn.com%7Ca716ced2cd8b45443b1208db1fe039ab%7C575 >>> > > > >> >> 85 >>> > > > >> >> 44 >>> > > > >> >> c573f >>> > > > >> >> 47cebee96c3e0806fb43%7C0%7C0%7C638138820129481532%7CUnknown% >>> > > > >> >> 7C >>> > > > >> >> TW >>> > > > >> >> FpbGZ >>> > > > >> >> sb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJ >>> > > > >> >> XV >>> > > > >> >> CI >>> > > > >> >> 6Mn0% >>> > > > >> >> 3D%7C3000%7C%7C%7C&sdata=WUmFbAPwypt9tfFngQOn0ADiTlgp1bXQ7IF >>> > > > >> >> g5 >>> > > > >> >> dm >>> > > > >> >> HEL0% >>> > > > >> >> 3D&reserved=0 >>> > > > >> >> >>> > > > >> >> _______________________________________________ >>> > > > >> >> Emc-users mailing list >>> > > > >> >> Emc-users@lists.sourceforge.net >>> > > > >> >> https://nam04.safelinks.protection.outlook.com/?url=https%3A >>> > > > >> >> %2 >>> > > > >> >> F% >>> > > > >> >> 2Flis%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C5c61d550a0 >>> > > > >> >> 93 >>> > > > >> >> 49 >>> > > > >> >> 3cecaf08db2475a685%7C5758544c573f47cebee96c3e0806fb43%7C0%7C >>> > > > >> >> 0% >>> > > > >> >> 7C >>> > > > >> >> 638143859985022697%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM >>> > > > >> >> DA >>> > > > >> >> iL >>> > > > >> >> CJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7 >>> > > > >> >> C& >>> > > > >> >> sd >>> > > > >> >> ata=5uvf8vSaMWJ7BHGVWpA370oom4NAkomVmqW3r1Cigro%3D&reserved= >>> > > > >> >> 0 >>> > > > >> >> ts.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C >>> > > > >> >> 01 >>> > > > >> >> %7 >>> > > > >> >> Ctodd >>> > > > >> >> z%40pgrahamdunn.com%7Ca716ced2cd8b45443b1208db1fe039ab%7C575 >>> > > > >> >> 85 >>> > > > >> >> 44 >>> > > > >> >> c573f >>> > > > >> >> 47cebee96c3e0806fb43%7C0%7C0%7C638138820129481532%7CUnknown% >>> > > > >> >> 7C >>> > > > >> >> TW >>> > > > >> >> FpbGZ >>> > > > >> >> sb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJ >>> > > > >> >> XV >>> > > > >> >> CI >>> > > > >> >> 6Mn0% >>> > > > >> >> 3D%7C3000%7C%7C%7C&sdata=WUmFbAPwypt9tfFngQOn0ADiTlgp1bXQ7IF >>> > > > >> >> g5 >>> > > > >> >> dm >>> > > > >> >> HEL0% >>> > > > >> >> 3D&reserved=0 >>> > > > >> >> >>> > > > >> > >>> > > > >> >>> > > > >> _______________________________________________ >>> > > > >> Emc-users mailing list >>> > > > >> Emc-users@lists.sourceforge.net >>> > > > >> >>> > > > >> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F >>> > > > >> %2 >>> > > > >> Fl%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Cba8844617fcb4048 >>> > > > >> ef >>> > > > >> 7c08db24b24e99%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7C638 >>> > > > >> 14 >>> > > > >> 4120480147571%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQI >>> > > > >> jo >>> > > > >> iV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=u >>> > > > >> mF >>> > > > >> NRv%2FW3ImwxEsH7Hd9z%2F1lDlNIH2fPWILFwh%2FGnNE%3D&reserved=0 >>> > > > >> ists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C0 >>> > > > >> 1% >>> > > > >> 7C >>> > > > >> toddz%40pgrahamdunn.com%7C5c61d550a093493cecaf08db2475a685%7C57 >>> > > > >> 58 >>> > > > >> 54 >>> > > > >> 4c573f47cebee96c3e0806fb43%7C0%7C0%7C638143859985022697%7CUnkno >>> > > > >> wn >>> > > > >> %7 >>> > > > >> CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW >>> > > > >> wi >>> > > > >> LC >>> > > > >> JXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2xfG6S5CCgkzhkmbXtQmWqZcwq02 >>> > > > >> Om >>> > > > >> ih >>> > > > >> 1B2iVvFgNzw%3D&reserved=0 >>> > > > >> >>> > > > >> _______________________________________________ >>> > > > >> Emc-users mailing list >>> > > > >> Emc-users@lists.sourceforge.net >>> > > > >> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F >>> > > > >> %2 >>> > > > >> Fl%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Cba8844617fcb4048 >>> > > > >> ef >>> > > > >> 7c08db24b24e99%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7C638 >>> > > > >> 14 >>> > > > >> 4120480147571%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQI >>> > > > >> jo >>> > > > >> iV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=u >>> > > > >> mF >>> > > > >> NRv%2FW3ImwxEsH7Hd9z%2F1lDlNIH2fPWILFwh%2FGnNE%3D&reserved=0 >>> > > > >> ists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C0 >>> > > > >> 1% >>> > > > >> 7C >>> > > > >> toddz%40pgrahamdunn.com%7C5c61d550a093493cecaf08db2475a685%7C57 >>> > > > >> 58 >>> > > > >> 54 >>> > > > >> 4c573f47cebee96c3e0806fb43%7C0%7C0%7C638143859985022697%7CUnkno >>> > > > >> wn >>> > > > >> %7 >>> > > > >> CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haW >>> > > > >> wi >>> > > > >> LC >>> > > > >> JXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=2xfG6S5CCgkzhkmbXtQmWqZcwq02 >>> > > > >> Om >>> > > > >> ih >>> > > > >> 1B2iVvFgNzw%3D&reserved=0 >>> > > > >> >>> > > > > >>> > > > >>> > > > _______________________________________________ >>> > > > Emc-users mailing list >>> > > > Emc-users@lists.sourceforge.net >>> > > > https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2F >>> > > > li%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C90f8aee037a840a406d >>> > > > f08db24c2c374%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7C6381441 >>> > > > 91179607968%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2 >>> > > > luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=QsEWfzv >>> > > > IBtJ6gJVkoTY16jGGwd9IH3zP3Q5Ia6fN9D4%3D&reserved=0 >>> > > > st%2F&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7Cba8844617fcb4048ef7 >>> > > > c0 >>> > > > 8db24b24e99%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7C638144120 >>> > > > 48 >>> > > > 0147571%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMz >>> > > > Ii >>> > > > LCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=MCwLlA%2F10o4 >>> > > > 4V >>> > > > dZgW0yqG6au2SrAgwcad6J9kbwlVZM%3D&reserved=0 >>> > > > s.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C01%7Cto >>> > > > dd >>> > > > z% >>> > > > 40pgrahamdunn.com%7C5c61d550a093493cecaf08db2475a685%7C5758544c573 >>> > > > f4 >>> > > > 7c >>> > > > ebee96c3e0806fb43%7C0%7C0%7C638143859985022697%7CUnknown%7CTWFpbGZ >>> > > > sb >>> > > > 3d >>> > > > 8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3 >>> > > > D% >>> > > > 7C >>> > > > 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https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=05%7C01%7Ctoddz%40pgrahamdunn.com%7C90f8aee037a840a406df08db24c2c374%7C5758544c573f47cebee96c3e0806fb43%7C0%7C0%7C638144191179607968%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=26GmY42l7yF1fTcYTyf8JsNLTh9n1BEjiVvZyseE0oo%3D&reserved=0 >>> >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
