Re: Broken Wheel Dish (Centers)

Posted by François on July 27, 2005 at 10:24:44 from (207.253.108.143):

In Reply to: Broken Wheel Dish (Centers) posted by Rod F. on June 21, 2005 at 19:41:42:

This wheel dish is may be in cast iron. To verify this, you can do a spark test with a grinder. If there are only few red and exploding sparks, it is cast iron. If there are a lot of long and yellow sparks, it is steel.

If your part is in cast iron, you should use Sodel Cu89 to repair the part (except if the part is oil contaminated, then you should use sodel 352 as buttering layer on the dirty iron and after use Sodel Cu89 to fill the groove).

If it is high carbon steel, usually cracking should occur in the hardened heat affected zone (beside and under the weld bead). When cracking occurs in the weld bead, it is generally related to surface contaminants (oil, grease...). Clean the surface (grinder) and preheat the part around 300F (using sodel 330). Slow cooling is also recommended.

If it is a free-machining steel (containing high sulfur or high Pb(lead)), it is sometimes impossible to weld...

FL (Sodel)

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