I have two cast iron hubs that I need to repair some serious worn areas on. The problem area is about 4" diameter and is worn up to about 3/8" deep about halfway around. These ride in nylon bushings and are a pivot point, not full rotation, and someone did not replace the worn out nylon bushings resulting in the metal-metal wear.
From what I think I know about this type of repair I think the part will need pre-heating (O/A) and then buildup with a nickel type stick electrode, followed by turning back to proper diameter in the lathe. Can those who have done this before give me some advice on pre-heat target temp, rod selection and anything else I need to know before attempting this?
Thanks,
Pete
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