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...Forging Press and her crew...
...Vertical Boring Mill...
...what I imagine were considered Forging Lathes...somebody needs to empty the Chip Bins...
Looking more closely at the photo of the vertical boring mill photo, it doesn't look like the work-piece is clamped to the face-plate!
Looking more closely at the photo of the vertical boring mill photo, it doesn't look like the work-piece is clamped to the face-plate!
The bottom face is a reference surface. The part is centered and held by movable jaws. It may also be clamped to the table thru the bore in the bottom using the T-slots and parallels.
John
John,
It was not uncommon to spend an hour setting one up for a five minute cut to true up the valve seat.
Kevin
Hey Kevin, this is when the set-up tooling makes you look smart when the job gets knocked out under quote.
In the photo there are four five inch diameter risers for the job to sit on. There were sets of these all shop made. All were kissed on the Mattison grinder for parallel sets. Drilled thru and tapped on the bottom and face for 3/4-10. Cross drilled for a 1" bar to tighten them down. 3/4" bolt with a jam nut and then skim cut parallel to the table. There were six table bars (G&L) that also used the risers. I did a lot of forged rings on the VTL and having the right set-up made them a gravy job.
Here is a photo with my set-up for California Steel bearing chocks for the new single high rolling mill about 1996. The rough cuts were about 1/4" on a side. Roughed out on the Bullard. Rough cuts on the G&L's. Finish on the Bullard then back to the Bars. Always had to set the taper on the left boring head. Once set the bores finished within a couple tenths or dead on top to bottom. 33 of them
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John
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