| 摘要 |
PROBLEM TO BE SOLVED: To secure safety surely even when a servo-circuit unit, etc. are in trouble. SOLUTION: A safety device has a displacement body B which is engaged with a displacement position A displaced similarly to a movable board 2 supporting a movable mold Cm with a given play S formed in the displacement direction and displaced following the position A, a detection part 5 which is brought into a detection state by the displacement body B when the movable board 2 is moved in the mold closing direction Fc and brought into a non- detection state by the displacement body B when the movable board 2 is moved in the mold opening direction Fo, and a control part 6 for controlling the detection part 5 to the safety side when it is brought into the detection state with a safety door D opened.
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