Automatic quality control system

Details Automatic quality control system Automatic quality control system

1974-06-18

1976-03-23

Gruber, Felix D.

Registers

Transfer mechanism

Traveling pawl

2351511, 444 1, G06F 1536, G06F 1546

Patent

active

039462129

ABSTRACT:
An automatic quality control system for a machine which measures workpieces processed by the machine. An estimated value to be obtained from an unprocessed workpiece depending upon information obtained from previously processed workpieces is calculated and is compared with a predetermined control limit. An instruction signal is generated when the estimated value is beyond the control limit to indicate a need for adjustment of the machine.

REFERENCES:
patent: 3147370 (1964-09-01), Lowman
patent: 3242321 (1966-03-01), Chope
patent: 3515860 (1970-06-01), Fitzgerald, Jr.
patent: 3657926 (1972-04-01), Munson et al.
patent: 3809870 (1974-05-01), Auble et al.
Smith: Role of Statistical Computation in Machine-Tool Feedback Gaging, Control Engineering Sept. 1957 pp. 190-196.

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