Whats Up Guys And Gals?
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Senior Member
Joined: Jan 2005
Posts: 851
Likes: 1
From: ....I could be anywhere....
Originally Posted by lees99f150
Zap, how easy is it to weld cast. the guys at work have a hard time with it. it always seems to crack after its cooled down.
thats a toughie...are the parts cracked or are this new stuff?
anyway..
cast is in diffrent grades and without getting into it its best to (if its a crack) grind out the crack a little bit to get it to good metal..no rust and yuk..
pre heat with a torch..but not so hot...kinda like its ready for eggs..
tig weld with nickle 99 or if you use a stick welder get the same alloy rod...
weld fast...
after done reheat with a torch again to kinda "anneal" it..
the best thing after that is to bury them in a REAL BIG box of vermiculite...it will let them cool off overnite rather in hrs...
the cooling is the problem...
...zap!
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Joined: Aug 2003
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From: Susquehanna Valley, pa.
the cast is cracked and soaked with oil. they do pre-heat it and try to slowly cool it but we are fixing 5000lb axle housings out of Caterpillar Haul Trucks. after a few attempts it is fixed but it doesn't always look pretty.
Thread Starter
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Senior Member
Joined: Jan 2005
Posts: 851
Likes: 1
From: ....I could be anywhere....
Originally Posted by lees99f150
the cast is cracked and soaked with oil. they do pre-heat it and try to slowly cool it but we are fixing 5000lb axle housings out of Caterpillar Haul Trucks. after a few attempts it is fixed but it doesn't always look pretty.
...zap!
