Just came across this brilliant tool. It seems there’s quite a few makes and even a DIY kit to be had. Anyway, it’s certainly far better than the trusty gas axe.
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Great way to loosen stuck nuts and bolts
- Thread starter StarCruiser
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That looks great Rich, very handy for our old cruisers. It doesnt look cheap though.
I might have a go at the DIY kit.
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This is the same thing right? on the DIY side anyway
https://www.tomtop.com/p-e1506.html...bRCCkrwnczLqjs57ZjmyI9s0XDxMAaPRoC9kYQAvD_BwE
https://www.tomtop.com/p-e1506.html...bRCCkrwnczLqjs57ZjmyI9s0XDxMAaPRoC9kYQAvD_BwE
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It does look good in principle, but I’d imagine its effectiveness would vary depending on the type of “nut” or “bolt” its being applied to.
The principle of loosening by heat is that the rust connecting the two is burned away to some extent as well as creating differential expansion/contraction to release the bond between components.
This provides the heat, but it seems slow by nature, so the effect of differential expansion/contraction will be diminished.
Also, the application of heat will assist in the induction of release agents, such as plus-gas or equivalents. Strange that the demonstration didnt include this process, but I watched it without sound, so likely that was mentioned in the narrative.
Good, but expensive, and its effectiveness is a matter of judgement in practical application.
The principle of loosening by heat is that the rust connecting the two is burned away to some extent as well as creating differential expansion/contraction to release the bond between components.
This provides the heat, but it seems slow by nature, so the effect of differential expansion/contraction will be diminished.
Also, the application of heat will assist in the induction of release agents, such as plus-gas or equivalents. Strange that the demonstration didnt include this process, but I watched it without sound, so likely that was mentioned in the narrative.
Good, but expensive, and its effectiveness is a matter of judgement in practical application.
This scores because it can be used near components such as fuel tanks or plastic. It's actually cheaper on balance. I don't have Oxy, Propane, regs, hoses etc which aren't cheap. This is very adaptable and can be used to heat stuff for oil quenching too. I'd like a hot spanner but that's not going to happen so one of these does look very attractive to me. I'd heat everything before undoing it. Great next to bushes that you don't want to set light to.
There’s lots of videos on this I just picked this one for the plain simple truth Australian approach without ten minutes of talking or tinny music. 30 seconds is all it takes to get the bolt up to 1100 c or so, plug it in, bend the coil wire to the angle you want, no hoses, no bottle hire, no naked flame. A garage in Bognor burned down a few years back through use of heat. This would keep insurance lower too without use of heat clause.
Not sure on the induction hob idea, especially as there’s kits readily available for under £50.
Not sure on the induction hob idea, especially as there’s kits readily available for under £50.
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Yep, just a thought and probably not worth the hassle. I was thinking of something like this fitted with a suitable outlet and wand somehow. https://www.ebay.co.uk/p/Tefal-Ever...012050023?clk_rvr_id=1517555696684&rmvSB=true
moggy1968
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I just use a plumbers torch powered by canned gas, cheap from any plumbers store
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@StarCruiser Rich I think you will find this an interesting read. http://www.instructables.com/id/7-Uses-For-an-Induction-Heating-Machine-How-to-Mak/
moggy1968
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In the dark days of landrover ownership I bought a twin gas tank brazing kit from halfrauds, that’s was cheap and good enough to get my nuts clowing cherry red
Yes I know the thing Shayne. The coily bit looks similar but that’s where it ends I’m afraid.
I work on something similar on an industrial scale that heats bits of metal about 1/2” cube to glowing white in around ten seconds. You open the back under the most secure interlock system available and it looks like it was made by Frankenstein inside.
