Maintenance & Technical > KX500 Aluminum Frame Conversion (AFC)
Heat Treating!?!?!
edgar_kx3:
well since i have had problems with my 500af cracking frames! i was wondering if anybody does any heat treating with there frames? and if so how do you go about it? heat it and cool quick or heat and cool slow???
dangerous dean:
heat and cool slowly
edgar_kx3:
what kind of temps do i need to get the frame too before cooling???
Motorrad:
way I have always done it is to heat.... then toss in a bucket of oil...
cooling slowly will UN harden the parts.. (IE when you have to machine a hardened part, you heat the snot out of it, throw in a bucket of sand for till it cools... machine.... reharden)
Rapid cool= harder on rockwell scale
Slow cool = softer on rockwell scale (less brittle)
alum is near impossible to get right for the home annealer... entirely too many factors..
Larry Wiechman:
--- Quote from: Motorrad on August 29, 2009, 04:04:12 AM ---
alum is near impossible to get right for the home annealer... entirely too many factors..
--- End quote ---
Edgar,
That's the best advice anyone could give.
The first step would be to find what alloy and temper your dealing with. I doubt if few outside the factory really know.
Are the cracks in a heat affected zone near a weld?
Google "solution heat treat aluminum" and you'll see that this is not a simple fix.
Larry
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