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General Workshop Discussion
Wood Turning - Lathes
I have a problem with a Poolewood lathe VSD
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<blockquote data-quote="Ttrees" data-source="post: 1523493" data-attributes="member: 15676"><p>Hello</p><p>I can't help with finding your lathe, but question that your VSD is...</p><p>Yes a variable speed drive, I get that, but whether it's a single phase or three phase that it is running.</p><p>I've seen a few new (Rikon?) bandsaws which has this feature, but couldn't get proper a look at the motor to see if it was a three phase or single phase motor.</p><p></p><p>If it is a special VFD varaible frequency drive/inverter with some blocked of parameters</p><p>(the important motor commands blocked off relating to speed settings within the RPM i.e safe range of the motor speed) so the average consumer can plug and play, and not mistakenly program it wrong..</p><p></p><p>I would guess this might be the case, but have never seen nor glossed over these, and I ain't too knowledgeable about these.</p><p>I'd still guess that these have large capacitors which can give a lethal voltage with stored juice long after being unplugged from the wall, like half an hour.</p><p></p><p>If it's a regular VFD/inverter, then you'd better do some studying of Bob's induction motor document </p><p>so you can make sure the parameters are correct so the motor doesn't let the magic smoke out.</p><p></p><p>Can we see the motor nameplate to see whether it's a single phase or three phase motor, to find out more, </p><p>There doesn't seem to be a start or run capacitor on the side of the motor, like you would normally find on a single phase induction motor. (from your pics so far we can't see)</p><p>Have you looked for the junction box bolted to the side, sometimes the capacitor will fit inside.</p><p></p><p>I would guess the speed control dial pot (potentiometer) could be an on button in itself. </p><p>It won't go if you've the pot set at 0 hz or RPM whichever the dial reads.</p><p></p><p>I doubt you can program these, but if you can, it might explain why it won't run.</p><p>Can we see what the display says.</p><p>If all fails then go looking for [USER=16090]@Myfordman[/USER] or find him at "the other place" </p><p></p><p>@mods...do we still need to keep up this farce with not naming names, its a bit childish </p><p>and horrible, tis only another wee forum.</p><p></p><p>Hope that helps somehow</p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="Ttrees, post: 1523493, member: 15676"] Hello I can't help with finding your lathe, but question that your VSD is... Yes a variable speed drive, I get that, but whether it's a single phase or three phase that it is running. I've seen a few new (Rikon?) bandsaws which has this feature, but couldn't get proper a look at the motor to see if it was a three phase or single phase motor. If it is a special VFD varaible frequency drive/inverter with some blocked of parameters (the important motor commands blocked off relating to speed settings within the RPM i.e safe range of the motor speed) so the average consumer can plug and play, and not mistakenly program it wrong.. I would guess this might be the case, but have never seen nor glossed over these, and I ain't too knowledgeable about these. I'd still guess that these have large capacitors which can give a lethal voltage with stored juice long after being unplugged from the wall, like half an hour. If it's a regular VFD/inverter, then you'd better do some studying of Bob's induction motor document so you can make sure the parameters are correct so the motor doesn't let the magic smoke out. Can we see the motor nameplate to see whether it's a single phase or three phase motor, to find out more, There doesn't seem to be a start or run capacitor on the side of the motor, like you would normally find on a single phase induction motor. (from your pics so far we can't see) Have you looked for the junction box bolted to the side, sometimes the capacitor will fit inside. I would guess the speed control dial pot (potentiometer) could be an on button in itself. It won't go if you've the pot set at 0 hz or RPM whichever the dial reads. I doubt you can program these, but if you can, it might explain why it won't run. Can we see what the display says. If all fails then go looking for [USER=16090]@Myfordman[/USER] or find him at "the other place" @mods...do we still need to keep up this farce with not naming names, its a bit childish and horrible, tis only another wee forum. Hope that helps somehow Tom [/QUOTE]
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General Workshop Discussion
Wood Turning - Lathes
I have a problem with a Poolewood lathe VSD
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