| 摘要 |
PURPOSE:To measure exactly molding pressure in a pressing process by outputting a relative distance signal of each movable part in correspondence to the detection signal of the position of the press of pressing machine. CONSTITUTION:When a magnetic line of force generated by the coils built in head parts 13a and 14a approches metal projections 5a and 5b, detection signals V1 and V2 are obtained corresponding to the distance between the heads 13a and 14a and the metal projections 5a and 5b. These detection signals V1 and V2 are supplied to display devices 22 and 23 respectively through gate circuits 20 and 21. The gate circuits 22 and 23 are opened at a press position specified in advance, and therefore, the pressurizing state at that moment is displayed on the display devices 22 and 23. |
