View Full Version : Careless mistake turns out to be a good thing.

10-17-2008, 02:47 AM
How often does that happen?

I cut a 1" piece off a 3.5" diameter aluminum bar, chucked it up, and put a dimple in the center. I took it to the ironworker to punch out the center.

I stopped the punch just below the stripper plate so I could center the disc. I'd swear I felt the tip of the punch engage the dimple, but the 1 1/8" hole was WAY off center. Rats!!

I measured the part and found the punched hole was just shy of the 1 7/8" bore I wanted. Great!! Off to the Cincinatti traytop lathe.

The boring was almost all interrupted cutting, totally eliminating the nasty tangle of chips I usually have to deal with.

Next time I'll be more careful. I'll put the dimple where it should be. :D


Your Old Dog
10-17-2008, 06:19 AM
Every now and then you fall into a bucket of $h1t and come out smelling like roses :D

10-17-2008, 10:51 AM
I'll sh-t to that. ;)

10-17-2008, 03:54 PM
you can punch a slug out of 1" thick AL? i have got to get me one of those

10-17-2008, 05:29 PM
The Scotchman
didn't even hesitate. It'll do it in steel, too.