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DIY Magnetic Chuck

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Paul Lousick08/09/2017 22:52:58
1868 forum posts
666 photos

Make a magnetic chuck from an old microwave transformer.

**LINK**

I.M. OUTAHERE08/09/2017 23:15:50
1468 forum posts
3 photos

Then take a look at the vise and belt sander he makes , you can get plans from him also .

Ian.

Edited By XD 351 on 08/09/2017 23:16:53

Breva08/09/2017 23:58:33
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87 forum posts
7 photos

An interesting project but I don't like their pricing system.

As I understand it and I may have mis-read it, you need commit to subscribing $10+ a month to get the plans. No mention of how long for.

I wonder has anyone on the Forum tried to build something similar?

John

Paul Lousick09/09/2017 04:00:08
1868 forum posts
666 photos

The microwave transformers have been used in the past to make a spot welder. Details published in a previous edition of MEW and lots of others on the internet (for free).

The idea of a magnetic vice for holding thin jobs on the mill appeals to me. Just don't like having magnets around my tools in case they become magnets themselves and pick up swarf.

Paul.

I.M. OUTAHERE09/09/2017 06:12:48
1468 forum posts
3 photos

Thats another use for the transformer from a microwave .- a demagnetizer .

Ady109/09/2017 08:56:48
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4816 forum posts
717 photos

Super useful if you do a lot of flat stuff

Older ones show up on e**y regularly and go for decent money because there is always interest

John Haine09/09/2017 09:16:42
4272 forum posts
251 photos

Why are people so coy about typing eBay?

Chris Evans 609/09/2017 10:25:51
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1977 forum posts

Small magnetic chucks on MSC offers are cheap so not worth the bother to make one.

Ian S C09/09/2017 14:00:33
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7468 forum posts
230 photos

Just looking on the junk shelf the other day, at least 4 microwave transformers, and one stripped to make a spot welder.

To build one, the mechanics are simple, the only thing needing any great thought is the power supply.

Ian S C

Rainbows09/09/2017 15:54:14
647 forum posts
208 photos

Starting at £100 from MSC I gotta think that for the average hobbyist its worth a go making one rather than buying

Ian S C10/09/2017 13:02:21
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7468 forum posts
230 photos

dsc00683 (640x480).jpgI'v got the demagnetizer, it uses a coil from a microwave oven, and the transformer control from an old electric blanket (3 heat)

Ian S C

dsc00682 (640x480).jpg

Paul Lousick10/09/2017 13:09:52
1868 forum posts
666 photos

That looks like a bit of very sophisticated gear !!!! I assume that the micrometer is used for accurately setting the dial on the transformer.

How does it work ?

Paul.

Ady110/09/2017 13:28:47
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4816 forum posts
717 photos

Some of the principles of a non power magnet here

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