I found a pic of a SOA setup where they welded one leg of the perch to the axle tube and the other to the casting for the diff. I have always heard that welding to cast is a bad idea. Anyone done this or know when you can and can't weld to it?
I found a pic of a SOA setup where they welded one leg of the perch to the axle tube and the other to the casting for the diff. I have always heard that welding to cast is a bad idea. Anyone done this or know when you can and can't weld to it?
Its not impossible to do, just very difficult to get a good weld on cast. It also depends whether its cast iron or cast steel. I am not sure whether axle center sections are generally cast iron or cast steel. If you do it right, there is nothing wrong with it. Here are a couple of links with some good reading in them.
http://www.lincolnelectric.com/knowl...ronpreheat.asp
http://www.esabna.com/EUWeb/oxy_handbook/589oxy16_1.htm
68 M-715
67 M-725
It's cast iron. I've had great results using nickel rod. Many guys just use a wire feed with a pre-heat and maybe a post heat.
http://www.ifsja.org/forums/vb/showt...highlight=weld
Read that for some GOOD real world info on welding to the pumpkin.
In case you miss the link in that post.
http://members.cox.net/tadsal/beatthepig1.JPG
its cast steel guys, ccast iron is brittle
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