Posted by DR. EVIL on November 25, 2020 at 08:56:44 from (174.192.134.238):
In Reply to: Re: Handy hint posted by flembo on November 24, 2020 at 10:58:07:
I wasn't running the lathe doing the tapping, but one bar out of 3 semi-trailer loads of 4" 4130 aircraft quality cold drawn steel bars broke a 2"-4-1/2 threads per in tap off, turned bar around, drilled and tapped other end and broke a second tap. The shop managed to break up the remains of the tap and got it threaded deep enough without breaking a 3rd tap. The other end they welded a plug in the hole and ground it smooth. Then the tapped around 150 more bars with that 3rd tap.
Hammer pins for automobile shredders, think of a hammermill feed grinder 8 ft wide by 7 feet in diameter. And we made bigger ones too. 8 ft diameter by 9 ft wide.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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