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Washing machine motor

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Andrew Tinsley12/01/2017 20:15:19
1630 forum posts

I am scrapping out a washing machine. I have taken off the pump as I have a use for that.

Is the electric motor worth saving? I could do with a motor to power a linisher that I have sitting on the shelf. I can probably work out the connections to motor. Is there any reason why it is inadvisable to use it for the linisher? I appreciate that it would need to be shielded, as they are hardly electrically safe as they stand.

Andrew.

Edited By Andrew Tinsley on 12/01/2017 20:15:58

Les Jones 112/01/2017 20:47:27
2257 forum posts
156 photos

All the washing machine motors that I have seen have been series wound (Universal.) motors with a speed controller that uses tachometer feedback. These motors run a very high speeds. Do not be tempted to run one without it's speed controller as it will probably destroy itself doing other damage in the process. I have read that there are some new washing machines that use brushless DC motors. I think one of these motors would be usefull.

Les.

Andrew Tinsley12/01/2017 20:57:58
1630 forum posts

Hello Les,

I am familiar with the fact that it is series wound and needs a speed controller, or at least a "power" controller. I have run smaller series wound motors with an SCR control.

Andrew.

Neil Wyatt12/01/2017 21:11:19
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19037 forum posts
734 photos
80 articles

I recall a very interesting article on cannibalising and using the speed controller and motor from washing machines that appeared in MEW while David Clark was editor.

Neil

Edited By Neil Wyatt on 12/01/2017 21:11:45

Speedy Builder512/01/2017 21:23:54
2613 forum posts
212 photos

Just be aware of the explosive force of dust and open ventilated motors.
BobH

Robbo12/01/2017 22:09:28
1504 forum posts
142 photos

Andrew

There were some articles on washing machine motor speed control in MEW in 2003, but these may now be too old for your machine.

Feel free to contact me should you want more details.

the artfull-codger12/01/2017 22:34:30
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295 forum posts
28 photos

Not really an answer to you Andrew but does anyone remember the old washing machines with the 1/4hp foot mounted induction motors? I was friendly with Harkers scrapyard in middlesbrough "over the border" & I used to strip them out for a quid apeace, really useful for all sorts of things,I have one driving a "skomo" spindle that I've used for nearly 50 yrs & it's still going strong,one driving a belt sander one driving a disk sander, now they fetch big money.

Graham.T.

Mike Poole12/01/2017 22:47:16
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3343 forum posts
74 photos

Yes, used to get them off the dump, 1/4hp British Thompson Houston, still got a couple in the garage.

Mike

not done it yet13/01/2017 00:09:42
6812 forum posts
20 photos

Not really enough information. Washing machine motors, over the years, have changed. The really old ones were more easily adapted for alternative uses. Modern ones might be more useful as a generator than a drive motor for a small powered machine.

thaiguzzi13/01/2017 03:54:03
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704 forum posts
131 photos

Got one on my Stent T&CG. Fixed speed. I can check rpm if anyone is interested. I do know with my largest pulley set up that it is a bit less than 6000 rpm, and my normal pulley set up around 3,500- 4000 rpm. Easy to wire fwd and reverse.

Andrew Tinsley13/01/2017 11:44:05
1630 forum posts

Thanks gentleman for your replies. I am not too bothered about the electronic side of controlling a series wound motor. I have enough experience to cope with that. It was other nasty things such as the caution about explosion risks with fine dust and series wound motors. I had not thought of that one!

The MEW articles sound interesting as it might well be better than my usual SCR type of control. I will contact Robbo on that one, unfortunately I don't have the said articles.

Regards,

Andrew.

john fletcher 113/01/2017 14:05:54
794 forum posts

The article in MEW used the original speed board components and the tacho, but beware the board needs enclosing in either a plastic box or an earth metal type, as the piece of aluminium on which the Triaca is mounted is alive at 240 volts. I have the article some where, perhaps some one with the index or Neil will provide the issue number. The motors are well made, well balanced and have a couple of good ball bearings which might be useful for another project. Save the carbon brushes as your next washing machine might need a pair in the future. John

Neil Wyatt13/01/2017 19:29:25
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Moderator
19037 forum posts
734 photos
80 articles

It was MEW 89, April 2003 page 55 "Washing Machine Motor Speed Control".

The only article in MEW that has the word 'washing' in the titles, now what does that tell us...?

Neil

P.S. sorry for the delay, we have been hand-polishing MEW 251 for your future appreciation today

Edited By Neil Wyatt on 13/01/2017 19:30:18

Frances IoM13/01/2017 19:44:09
1268 forum posts
28 photos
is that when we learn what the competition touted for #250 was all about? or was it just hexxed as well as gone
Robbo14/01/2017 23:31:45
1504 forum posts
142 photos

"It was MEW 89, April 2003 page 55 "Washing Machine Motor Speed Control"."

Sorry Neil, that was a letter in 'Scribe a Line' expressing concern about the articles.  It is of course relevant to the subject and asks for more information.

The articles were in MEW 86 page 16 Nov 2002 "Motor Speed Control" and MEW 88 page 38 Feb/Mar 2003 "More Information on Motor Speed Control"

I have sent copies to the OP

 

 

 

Edited By Robbo on 14/01/2017 23:34:14

Michael Gilligan14/01/2017 23:58:59
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20185 forum posts
1053 photos
Posted by Neil Wyatt on 13/01/2017 19:29:25:

The only article in MEW that has the word 'washing' in the titles, now what does that tell us...?

.

I regret to say ... it probably tells us that the article titles in MEW do not always include the best keywords to facilitate future searches.

MichaelG.

Robbo15/01/2017 09:27:43
1504 forum posts
142 photos
Posted by Michael Gilligan on 14/01/2017 23:58:59:
Posted by Neil Wyatt on 13/01/2017 19:29:25:

The only article in MEW that has the word 'washing' in the titles, now what does that tell us...?

.

I regret to say ... it probably tells us that the article titles in MEW do not always include the best keywords to facilitate future searches.

MichaelG.

I regret to say I fully agree Michael. One of the worst was "An ebay Bargain" or words to that effect  - but I don't want to take the thread off topic.

Edited By Robbo on 15/01/2017 09:29:09

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