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sewing machine motor

This topic has 14 replies, 7 voices, and was last updated 25 August 2015 at 20:08 by Ajohnw.

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24 August 2015 at 20:30 #24059
mick70
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@mick70
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24 August 2015 at 20:30 #201782
mick70
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@mick70
Been given old sewing machine that works.

Is it worth keeping motor and pedal for anything?
24 August 2015 at 20:35 #201783
Michael Gilligan
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@michaelgilligan61133
- Watchmaker's lathe
- Small flexible shaft tool
- Small milling spindle, for the vertical slide
- Diamond hone for sharpening small tools
Will that do for starters ?

MichaelG.
24 August 2015 at 20:53 #201789
Roderick Jenkins
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@roderickjenkins93242
I'd go for number 3 but I'm a bit weird like that. Yesterdays's job:

Rod
24 August 2015 at 21:34 #201791
Michael Gilligan
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@michaelgilligan61133
Credit where it's due, Rod

I do think that's a neat installation.

MichaelG.
25 August 2015 at 11:27 #201850
Ian S C
Participant
@iansc
I used one on the Super Adept, until I got a 1450 rpm 180W shaded pole motor, more torque, less revs. I think there are 2 or 3 sewing machine motors in my electric motor store, ranging from 80 W to 120 W. Tried one on a flexible drive, but a bit under powered. Made up a spinning wheel for mum using one, it worked well, she used it mainly for plying the wool, ie., combining two or three single strands.

Ian S C
25 August 2015 at 11:46 #201852
Michael Gilligan
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@michaelgilligan61133
Posted by Ian S C on 25/08/2015 11:27:20:

I think there are 2 or 3 sewing machine motors in my electric motor store, ranging from 80 W to 120 W. Tried one on a flexible drive, but a bit under powered.

.

Horses for courses, I suppose, Ian

This one would be no good for porting motorcycle cylinder heads, but …

MichaelG.
25 August 2015 at 14:51 #201886
Neil Wyatt
Moderator
@neilwyatt
Have you shopped that photo Rod?

It looks like a painting out of the pages of Eagle.

Neil
25 August 2015 at 15:14 #201893
Roderick Jenkins
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@roderickjenkins93242
'fraid so. I forgot to switch on the LED ring light so It was rather dark – messing about with the mid tones has that affect.

Rod
25 August 2015 at 15:52 #201901
Ajohnw
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@ajohnw51620
What sort of cut can you get from it Rod? I'm gathering bits for a toolpost come when not on it tool grinder and keep coming up with numbers like 1/2 hp.

John

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25 August 2015 at 17:02 #201914
mick70
Participant
@mick70
would it work as mini drill for say up to 3mm?
25 August 2015 at 17:40 #201924
John Hinkley
Participant
@johnhinkley26699
I bought a sewing machine motor after putting out a plea for advice on this forum for a motor to drive a toolpost-mounted spindle I was constructing:

Two-speeds achieved by swapping driver and idler pulleys.

I liked it so much I built another one!

Only this time with two speeds via gears and more compact.

Keep the motor! You never know when it might come in handy for any of the projects that Michael suggested, or even some you haven't thought of yet.

John
25 August 2015 at 17:40 #201925
Roderick Jenkins
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@roderickjenkins93242
Posted by John W1 on 25/08/2015 15:52:47:

What sort of cut can you get from it Rod? I'm gathering bits for a toolpost come when not on it tool grinder and keep coming up with numbers like 1/2 hp.

John

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Hi John,

Have a look in this thread. 10-20 thou in steel.

Cheers,

Rod

Edited By Roderick Jenkins on 25/08/2015 17:42:27
25 August 2015 at 19:12 #201936
Neil Wyatt
Moderator
@neilwyatt
Posted by Roderick Jenkins on 25/08/2015 15:14:47:

'fraid so. I forgot to switch on the LED ring light so It was rather dark – messing about with the mid tones has that affect.

Rod

I think it looks great!

Neil
25 August 2015 at 20:08 #201951
Ajohnw
Participant
@ajohnw51620
Thanks Rod. I feel I need better speed control built into the motor than that for grinding. It's interesting as they seem to specify them via watts in rather than out but when they are running below the supposed 7,000 rpm on a sewing machine they probably give more than that. The other thread was interesting I did play with the brushless model engines idea briefly some time ago via a server 12v supply that provided a lot of amps. Speed with the controller I had wasn't too constant and they became rather warm. That was with a meaty low revs per volt motor.

John

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