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Magnets. Welding - Holding - Whatever
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Peter_L



Joined: 10 Apr 2008
Posts: 2370
Location: New Brunswick. Canada.

PostPosted: Sun Nov 25, 2018 3:49 pm    Post subject: Magnets. Welding - Holding - Whatever Reply with quote

I have used what are termed "Welding Magnets" for a number of years. Most applications have nothing to do with welding.

Geoff, (OuBallie), who resides among the Norfolk mountains, has recently returned to posting and I happened to send him a link about welding magnets.

So as not to interfere with his excellent storyboards I include here a couple of magnet photos.

A solution to where to put the pesky chuck key. These are the "non critical" jobbing drill selection. For the times when all that is required is a hole to take a bolt or screw. The pristine ones are kept in a box.




This one can take a little getting used to, but once mastered it is like having another pair of hands. I changed out the bolts on mine and have a piece of threaded rod with a wing nut at each end. The spanners also have an affinity for the magnets that can be annoying at times. I have used it several times with one end on the small anvil (it's heavy) and the other holding the work in place before adding clamps for a final secure position.

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MikeEdwards



Joined: 25 May 2011
Posts: 1907
Location: South Cheshire

PostPosted: Sun Nov 25, 2018 7:41 pm    Post subject: Reply with quote

I use welding magnets for welding, but of course the biggest trouble when using a MIG is that the magnet interferes with the arc, if you're welding anywhere near it. I've also found in some places that the magnet isn't really strong enough to hold its own weight.

I did buy some very strong magnets which are pretty good, but interfere with the arc even more. They also really hurt if you happen to trap a bit of flesh like that between thumb and finger between the magnet and the bodywork.

Most annoying is when the garage floor is covered in bits of metal cuttings and filings, and I drop the magnet into it. Takes ages to get it all off again.
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alastairq



Joined: 14 Oct 2016
Posts: 1316
Location: East Yorkshire

PostPosted: Sun Nov 25, 2018 8:20 pm    Post subject: Reply with quote

..................................yet handy when one drops that very important nut, bolt or screw.....which one knows one must not under any circumstances, lose......yet contrives to escape one's clutches? Smile Smile
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Dellow Mk2, 1951 built, reg 1952.
Ford Mustang coupe, 1967, 6 cylinder auto.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces.
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Rootes75



Joined: 30 Apr 2013
Posts: 2904
Location: The Somerset Levels

PostPosted: Mon Nov 26, 2018 10:08 am    Post subject: Reply with quote

I have always used welding magnets and found them to be very good. The downsides I have found with them though are that often they are just not as versatile as mechanical clamps and quite often the actual magnets aren't strong enough.
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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roverdriver



Joined: 18 Oct 2008
Posts: 1170
Location: 100 miles from Melbourne, Victoria, Australia

PostPosted: Mon Dec 03, 2018 9:22 am    Post subject: Reply with quote

A source for some really strong and useful magnets is an old inoperative microwave oven, even a domestic one. Carefully pull it apart and you will find a couple of doughnut shaped magnets that are very handy.
great advantage- they cost nothing.
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Dane- roverdriver but not a Viking.
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alastairq



Joined: 14 Oct 2016
Posts: 1316
Location: East Yorkshire

PostPosted: Mon Dec 03, 2018 10:02 am    Post subject: Reply with quote

Old speakers? Good source of round magnets.
_________________
Dellow Mk2, 1951 built, reg 1952.
Ford Mustang coupe, 1967, 6 cylinder auto.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces.
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Rootes75



Joined: 30 Apr 2013
Posts: 2904
Location: The Somerset Levels

PostPosted: Mon Dec 03, 2018 11:57 am    Post subject: Reply with quote

That's some good cheap tips!
_________________
1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Clactonguy



Joined: 20 Mar 2018
Posts: 65
Location: clacton on sea

PostPosted: Fri May 03, 2019 7:16 pm    Post subject: welding magnets Reply with quote

just got a set of four. not used yet but am suer when I weld will be invaluable . saw post showing tools. put there as a sort of 'tidy'. with a few drill bits! thats not good idea as drills then tend to become slightly magnetic and keep metal particles swirling around cutting tip .not ideal ! As for picking up swarf .washers .nuts etc off. garage. floor. I have used a magnet for years but put a plastic bag over it first. thus when we. pull bag of magnet ( normally inviting bag at same time, we get. every. metal particle nicely taken OFF magnet so no problems .Smile
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47Jag



Joined: 26 Jun 2008
Posts: 1470
Location: Bothwell, Scotland

PostPosted: Fri May 03, 2019 9:34 pm    Post subject: Reply with quote

Clactonguy,

DOH!!

Iíve been using big magnets from computer disk drives for years (same principle as speakers) for the very reasons outlined and usually end up peeling the product off when a plastic bag would have made it so much simpler. I bought a degaussing tool from Lidl but it works with partial success. Again I could be using it wrong Embarassed

Art
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alastairq



Joined: 14 Oct 2016
Posts: 1316
Location: East Yorkshire

PostPosted: Sat May 04, 2019 8:20 am    Post subject: Reply with quote

Quote:
I bought a degaussing tool from Lidl but it works with partial success. Again I could be using it wrong Embarrassed


Handy if one finds oneself swimming in a minefield? Smile
_________________
Dellow Mk2, 1951 built, reg 1952.
Ford Mustang coupe, 1967, 6 cylinder auto.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
----------------------------------------------
Ford Pop chassis, Ashley 1172 bodyshell, in pieces.
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Clactonguy



Joined: 20 Mar 2018
Posts: 65
Location: clacton on sea

PostPosted: Tue Dec 03, 2019 10:11 pm    Post subject: magnets Reply with quote

got some welding magnets and thus far unused! never use magnets to store 'drills' as the 'magnetise' them as swarf sticks to ends getting in way etc. if we want to use for licking up a lost screw? wrap in cling film or thing plastic or even place a sheet of paper underneath before searching. thus when Manet roved will be clean Smile
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MikeEdwards



Joined: 25 May 2011
Posts: 1907
Location: South Cheshire

PostPosted: Wed Dec 04, 2019 11:03 am    Post subject: Reply with quote

You can say that again! Smile
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Da Tow'd



Joined: 16 Jun 2010
Posts: 343
Location: Bella Coma British Columbia Canada

PostPosted: Mon Dec 30, 2019 4:47 am    Post subject: Reply with quote

I use the powerful microwave donut magnets on each of the arms on my hoist to hold the lug nuts/bolts.
handy
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Longstroke



Joined: 01 Oct 2019
Posts: 24
Location: Wiltshire

PostPosted: Tue Dec 31, 2019 9:37 pm    Post subject: Reply with quote

Like 47Jag I use the really powerful magnets from an old computer tower. The discs make useful mug mats/mirrors/bird frighteners. Useful source of small screws. Bits of the steel casing have found their way into the floors and wheel arches of old cars. There's an irony in all this with bits of relatively new redundant technology up-cycled for use repairing old machinery. What can be greener?
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