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    • 81. 发明专利
    • AUTOMATIC INSPECTING DEVICE
    • JPS63138278A
    • 1988-06-10
    • JP28457786
    • 1986-11-29
    • MITSUBISHI HEAVY IND LTD
    • OKA KUNIHIKO
    • B64F5/00B64D45/00F42B15/00F42B35/00F42B35/02G01R31/00
    • PURPOSE:To accurately grasp abnormal variation in characteristic value after manufacture and to enable time-series control by making a total decision by deciding characteristic value variation by comparing the past inspection data stored values of respective number machines with the inspection result of a specific number machine and also making a decision based upon the result of the comparison between the inspection results and a spec. value. CONSTITUTION:A comparator 3 compares the current inspection data B on an X- number machine 4 with the past inspection data A on the respective number machines which are stored in a storage device 2 individually, and a decision device 5 devices whether or not the comparison results are less than a reference value 5 set according to the elapsed time from the last inspection time, operation time, etc. Then if a comparison result exceeds the reference value 6, abnormal variation is decided and an alarm 7 is actuated. The data B, on the other hand, is compared with the spec. value 9 by a comparator 10 and a decision device 11 makes a normal/abnormal decision according to the comparison result. A total decision device 8 makes the total decision according to the decision results of those decision devices 5 and 11 and displays the result. In this constitution, abnormal characteristic value variation after manufacture is accurately grasped and products can be brought under time-series control.