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18th Nov 2021, 08:19 PM #1Novice
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Cigweld wire feed motor kaput - New welder recommendations or fix
G'day Everyone
My Cigweld Transmig 250 (circa 2001) wire feed motor died today. There is voltage getting to the motor but motor operation/rotation is very eccentric and quite often not at all. The motor is completely non serviceable.
After numerous phone calls to Cigweld, welding repair companies, welding repair parts suppliers etc it appears that i am basically stuffed. The problem is that this era of welders uses a 12v motor whereas everything nowadays and most others historically are 24v or even higher. Using the incorrect voltage motor would upset my motor speed. The general consensus from everyone I have spoken to is that if I cant get the part then the welder is now scrap. The motor I require is a KSV 4030-215 12v. Cigweld have 1 drive unit assembly in stock for about $700. I don't need the full assembly, just the motor and at $700 I don't think the welder is worth that much.
http://www.weldtronic.com.au/wp-cont...ve-Systems.pdf
The above document has the motor I require but unfortunately they do not stock them any more and are unable to get them.
As the collective knowledge here is quite formidable i am hoping that I can get the following questions answered.
1) Does anyone know where I could get the correct motor from for a reasonable price?
2) If the welder does end up as scrap then the age old question gets asked. What welder do I get? I would love a mig/ac&dc tig/plasma unit but the only one I can find is Token tools and there prices have gone up a lot since I last looked. I am looking at around $2000 for a new unit but within reason happy to buy individual units but i think that might blow the budget. Any suggestions on brands etc.
Looking forward to hearing what the think tank come back with
Thanks
Yorin
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18th Nov 2021, 08:31 PM #2
Have you looked if the motor is a standard brushed DC motor.
If so maybe the brushes are worn out.
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18th Nov 2021, 08:55 PM #3Novice
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18th Nov 2021, 09:19 PM #4Senior Member
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You could try your luck with AliExpress, Wish etc.
Like this: https://www.aliexpress.com/item/4001199058866.html
This one is in Australia: https://www.ebay.com.au/itm/111135995700
Jack
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18th Nov 2021, 10:12 PM #5
Perhaps a bit of out of the box thinking then?
Can the original 12v transformer be substituted for a 24 volt model ?
If so, it is simple to use the wire driver motor of your choice.
Grahame
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18th Nov 2021, 10:42 PM #6Novice
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I have considered converting to 24v, my biggest concern is that the wire speed adjustment is linked with the current, increase wire speed has a current increase as well, so i need the speed to be correct when compared to the current. seeing as i dont know what the original speed v's knob setting is it makes it tricky. I have checked the voltage driving the feeder and at the lowest setting it is a bit below 1v and at full speed it is 10.5v. The original wife feeder looks very similar to a windscreen wiper motor. It is a worm drive arrangement.
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19th Nov 2021, 02:28 PM #7
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19th Nov 2021, 08:00 PM #8Most Valued Member
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I see a difference between motor disassembly being destructive (as in requires reconstructing) and being destroyed.
Cases can be cut open and then re-welded or a new case built etc.
whether that’s worthwhile - only you can make that call.
Quite a few 12 wire feed motors on AliExpress/eBay.
Or perhaps a car windscreen wiper motor or power window motor could be adapted?
Steve
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19th Nov 2021, 09:51 PM #9Most Valued Member
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