Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1990-03-20
1990-11-13
Combs, E. Michael
Cutting by use of rotating axially moving tool
Processes
Bit detachable
10 1R, 10111, 10123P, 408 72R, 408221, B23G 500
Patent
active
049697803
ABSTRACT:
A method for using a die holder with centering and squaring guide to cut preliminary and final threads on rotatable stationary workpieces is provided and includes a locating pin, a die with set screw, a shim, a die holder with two lock screws, a guide, three bolts, a guide bushing and a gage. The guide bushing presents alot more surface area to guide the workpiece into the die and which holds the workpiece absolutely square to the die throughout operation of making a machine quality thread on the workpiece.
REFERENCES:
patent: 1436369 (1922-11-01), Thomas
"Three-Hole Locating Gage for Checking Size and Position", Bossman--American Machinist, May 10, 1945, pp. 120,121.
Combs E. Michael
Kroll Michael I.
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