Gallery, Projects and General > Neat Stuff

Big Job on a Small Mill

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duckman:
Did the same thing on a Betts Farrel VBM with a 12' table they spun a bearing in the gear box, main input shaft, they had estimates of upwards of $50,000.00 to fix it, disassemble machine, take gear box to shop, repair the bore, reinstall box, and about 8 to 12 weeks to fix. I was sent down to check out the job came back and told the owner that I could have it running in 1 week, quote " he said prove it " made stand off bearing plates, used 2 1/2" TGP shaft, offset drilled for tool bit, turned end of shaft to 3/4" to fit in the chuck of our Milwaukee vari speed drill, took 3 days to get everything ready, 1 1/2 hours to bore over size, there machine shop made a bushing for the job, installed bushing put in 3 dutch men rebored the bushing for the new bearing, reassembled the gear box, test ran, passed with flying colors. I didn't get a bonus for it just a couple of atta boys. the over all cost of the repair was a hair under $4,000.00. Oh by the way it did take 6 days total.

crabsign69:
now thats was cool . im sure glad i get to see stuff like this.  my brain needs more food :mmr:

Bernd:
Nice one Duckman.

I think you should have at least gotten a $4 grand bonus for that. They still saved alot of money.

Bernd

John Stevenson:
You are missing the whole point.
He didn't have a portable boring machine, or an electric motor and gearbox.

He used a milling machine he already had, sat it on the floor and used that as a prime mover.

We know line boring isn't new but this application is.

John S.

Darren:
Well put John... the chap deserved a  :clap: at least

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