TOOL SLIDE STOPPING DEVICE FOR SHEET MATERIAL CUTTING DEVICE

PROBLEM TO BE SOLVED: To stop a drive motor automatically when a tool slide reaches its movement end points. SOLUTION: The sheet material cutting device for cutting a sheet material by the rotation of a rotary cutting edge that cooperates with a fixed cutting edge is provided with springy members 16...

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Bibliographische Detailangaben
1. Verfasser:	ONISHI TAKAMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FILING HAND CUTTING TOOLS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING SAWING SCRAPING SEVERING SHEARING SLOTTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To stop a drive motor automatically when a tool slide reaches its movement end points. SOLUTION: The sheet material cutting device for cutting a sheet material by the rotation of a rotary cutting edge that cooperates with a fixed cutting edge is provided with springy members 16 situated at the movement end points of a tool slide 3 so that their reaction force caused when they are pressed by the tool slide 3 at the movement end points together with the rotation of a screw shaft moves the screw shaft counter to the moving direction of the tool slide 3, and with friction members 14 interposed between the screw shaft and a frame to generate frictional force by the movement of the screw shaft, which frictional force produces a load that is to be detected, when exceeding a threshold value, for a stop of a drive motor.