Re: Re: Re: Snapped Stud on Block

Posted by Bill Smith on January 20, 2003 at 09:36:04 from (63.147.130.75):

In Reply to: Re: Re: Snapped Stud on Block posted by The Red Barron on January 19, 2003 at 19:53:20:

In order to weld you are correct. What you are welding to does need to be grounded. Welding is a simple but interesting process. You strick an ark with the rod (or wire when using wire welder) and you must maintain that ark to weld. Touch what you are welding with the rod/wire and the ark will be lost becuase of a direct short. Electrical current through that ark is what creates a high level of heat and creates the burning process of the rod or wire. (Of coarse you have to have flux on the rod or most wire welders use gas so the rod/wire will burn.) Without that ark or flux/gas it is highly unlikely you will weld the stud to the block in between the threads. If it twisted off it is deffinately a tight enough fit in there to carry the ground current with no problem. As for bearings and welding something close to it, it is a matter of the grease getting hot and burning, leaving the bearing dry when the welding is done. That or the bearing must be clean and welding allows the bearing/grease to be contamenated with slag/dirt which will cuase the bearing to shell out over time if you run it like that. Otherwise I don't understand your bearing senerio. Bob has good idea on this version of the welding process. Basically accomplishes the same thing as welding a nut on. It creates a couple of advantages. 1 you can use the peice of flat iron as the wrench when you are done welding, and 2 the flat iron may aid in controlling where the slag goes if you are trying to catch it from getting into unwanted places.

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