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Prevent the Boot sole from twisting when heat punching.

post #1 of 5
Thread Starter 

I watched a you tube video posted by Start Haus of a tech punching the toe of a boot. He quickly mentioned that the boot had been screwed to a steel plate before he applied the heat gun and press. I presume this is to stop the sole from twisting or otherwise going out of alignment while the punch is applied and the boot is still hot. I have had boot soles twist slightly when doing a sixth toe punch. My remedy has been to plane the sole and install lifts but the steel plate to keep everything true sounds like a better idea. I want to make a plate for myself, how many and what sized screws are used to attach the plate to the boot sole and do you seal the screw holes afterward with RTV or something else?

post #2 of 5
Thread Starter 

Nothing?

post #3 of 5

probably "nothing" as the question is a bit more commercial than boot fitting (ie you fit boots )   but i didn't see the post in the first place so cannot comment more....... screw size will depend on the plate you use, for race boots we use a 10mm plate, and a lot of 16mm screws, the holes get covered when you put the plates on the boot..... i also have a pair of flat steels which have toe and heel clamps on them so the boot can be clamped down tight which is also effective

 

planing the boot to remove the twist IMO can lead to a few issues, what position was the boot in prior to the twist and did you return the boot to that same position, so unless you can be sure of that i wouldn't go that route, beside it doest cost much to get a couple of plates made up

post #4 of 5
Thread Starter 

After 30 or more years of disappointing experiences (with a couple of notable exceptions) with southern Ontario boot fitters I decided to take the bull by the horns and do my boot fitting myself. I reasoned that I couldn't screw it up any worse that the "Professionals" I'd been forced to go to. So I fit my own boots no one Else's, there is no money involved except that which I save by DIY.  I've only spent a few hundred dollars on fitting tools, burrs, an IR Thermometer, heat gun and I made the boot press myself so if I'm forced to declare defeat and admit that punching a plastic boot is beyond my skill, then at least I gave it my best shot. Last year I fit a 92mm lasted Lange onto my 100+mm foot, but I experienced the sole twist problem.

 Thanks for the info, I've made some 6mm plates from aluminum flat bar and positioned the screw holes so they will avoid those for the plastic lifters. I catch your point about planning being a bad solution. I wanted to use the alu plate to avoid the twist in the first place.

post #5 of 5

good luck with getting the boots sorted, it does worry me sometimes when i see the way the industry is going and the lack of stores able to do good boot work,  you never know, in years to come if you fancy a career change you may have just found the way to go!

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EpicSki › The Barking Bear Forums › On the Snow (Skiing Forums) › Ask the Boot Guys › Prevent the Boot sole from twisting when heat punching.