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Bug mudda endmill

While sorting old metalworking books, I came across a photo in an old school textbook that showed a large press frame being milled with an endmill (yes, it was a true endmill) in a horizontal mill of some sort. The endmill was about 10" diameter (as big across as the operator's head) and at least 2 feet long, spiral flute.

It kinda got me thinking about the largest actual cutting toolbits that have ever been used. There was a discussion a while back about the largest single block of steel people had ever seen...what about the largest tooling (not machine) used to cut these kind of things?

Koz

Reply to
Koz
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Koz wrote in news:eridnU_Z4r1c9f snipped-for-privacy@seanet.com:

Koz, The auto plants are full of 4-5-7' diameter cutters, inserted of course. Gotta be 300 inserts or lots more per cutter.

Reply to
Anthony

When I was in shop class in college the instructor had a chip off a shaper that he got at Westinghouse in Sunnyvale CA. What was remarkable about this spiral of metal was that at first glance it looked like a coiled spring off the front end a Chevy. That shaper must of had a whole lot of horsepower to curl up such a chip.

Reply to
Roger Shoaf

At boeing surplus in seattle, you can buy endmills by the pound. I bought one as a souvenir that is about 10" long and about 1 1/4" shank.

Reply to
woodworker88

I got one like that and use it as a mill to trim edges with. - Nice long surface and just kiss the surface on the way by.

Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH, NRA Life NRA Second Amendment Task Force Charter Founder

woodworker88 wrote:

Reply to
Martin H. Eastburn

I'm sure I'm not in the running for the largest, but here's my 2 cents.

In the days when HSS, and cobolt reined, we used 2" diameter hog mills pretty often.

Reply to
Dave Lyon

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