Anybody Guess What This Is?

[CaptainMal]

About 3 lbs.

 

[jackieschmidt]

There may be a few members that can relate to that tool but for me that photo brings back unpleasant memories. Where I worked in a steel mill shop, there was part of it where electricians rewound armatures. They'd pour the babbit bearings and we'd chuck them up in the lathe and bore them a little undersize then scrape them to fit. We also turned down the commutaors and with tool made from a hacksaw blade, scrape in between the copper bars. Motors were big, bearings were heavy, not Then one of my favorite jobs.

Back in The early ‘70’s, we did work for a Smelting Plant that produced Silico-Manganeze for the steel industry. They had huge electric furnaces. The fume system for sucking out the smoke were huge Roots Conerville Blowers. The main rotor shafts ran in 10 inch split Babbitt Bearings.
We did the same thing, repour the bearings, pound them in, bore them in a lathe, the meticulously hand scrape each on to mate it’s journal. That involved putting the lower halves in their mounts, lowering the rotor Into place, rotating it, lifting it out, then scrape the high spots.
I am in the firm belief that the Ancient Egyptians used slaves to scrape in their Babbitt Bearings.

 

[Steve morgan]

Bearing scraper

Jackie I have a set of scrapers and still use them.