Geometrical instruments – Area integrators – Electrical
Patent
1985-08-29
1986-08-12
Stearns, Richard R.
Geometrical instruments
Area integrators
Electrical
33555, G01B 712
Patent
active
046048103
ABSTRACT:
A diameter gage is disclosed which measures a plurality of diameters on a workpiece after the workpiece has been machined. First and second U-shaped gage frames mount first and second gage blocks relative to a gage platform, and this gage platform is moved vertically upwardly to a position whereat the gage blocks of each set straddle different ones of the plurality of different diameters on the workpiece. Parallel leaf springs provide low friction mounting of the gage blocks, and also provide urging means to urge the gage blocks into contact with the opposite sides of the workpiece. An electrical output gage is moved in accordance with the relative movement between the two gage blocks of each set to provide an error signal which is passed to the numerical control to correct the machining diameter of the machine tool which machines successive workpieces.
REFERENCES:
patent: 2254812 (1941-09-01), Aller
patent: 2547719 (1951-04-01), Rosser
patent: 2717449 (1955-09-01), Graham
patent: 3795055 (1974-03-01), Zucco
patent: 4109946 (1978-08-01), Pennings et al.
patent: 4136455 (1979-01-01), Owsen
patent: 4208796 (1980-06-01), Michaud et al.
patent: 4531294 (1985-07-01), Lenz
"A Differential Transformer Gauge for Outside and Inside Diameters of Long Tubes", by L. E. Goodwin, Jan. 1958.
Daulton Richard R.
Gusching Nagle V.
Stearns Richard R.
The Monarch Machine Tool Company
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