OPTICAL SAFETY DEVICE FOR PRESS BRAKES, PRESS BRAKE, AND OPTICAL MONITORING METHOD

A determination part 70 determines whether or not a shadow of an upper mold 12 is expanded to a photodiode 564 by laser beam B projected to a light receiver 52 side based on a light receiving state of a photodiode 564 positioned in a vicinity of the upper mold 12. When it is determined that the shad...

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Bibliographische Detailangaben

1. Verfasser:	MATSUURA, Kento
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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