APPARATUS FOR STOPPING A CUTTING DISC

A machine operator holds a chicken carcass to a circular saw, or a casting to an abrasive cut off wheel. Considerable risk to the hands is minimised with a controllable (about 10 ms) wheel stop mechanism, optically triggered when a gloved finger enters a hazardous zone. (An option uses a conductive...

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Bibliographische Detailangaben
Hauptverfasser:	MADDEVER, George Davey, BLENKINSOPP, Keith
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING BRAKES BROACHING CALCULATING CLUTCHES COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT COMPONENTS OR ACCESSORIES THEREFOR COMPUTING COUNTING COUPLINGS FOR TRANSMITTING ROTATION DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ENGINEERING ELEMENTS AND UNITS FILING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING 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 MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PHYSICS PLANING SAFETY DEVICES IN GENERAL SAWING SAWS FOR WOOD OR SIMILAR MATERIAL SCRAPING SHEARING SLOTTING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	A machine operator holds a chicken carcass to a circular saw, or a casting to an abrasive cut off wheel. Considerable risk to the hands is minimised with a controllable (about 10 ms) wheel stop mechanism, optically triggered when a gloved finger enters a hazardous zone. (An option uses a conductive glove trigger). An electromagnet releases a powerful spring mechanically linked to opposing brake shoes, forcing them against both sides of a brake disc. The brake disc and the cutting wheel share a shaft but are located in separate compartments. Incident reporting over a network is included. Un opérateur de machine maintient une carcasse de poulet sur une scie circulaire, ou une pièce coulée sur une roulette de coupe abrasive. Un risque considérable pour les mains est réduit à un minimum avec un mécanisme d'arrêt de roulette pouvant être commandé (environ 10 ms), déclenché optiquement lorsqu'un doigt ganté entre dans une zone dangereuse. (Une option utilise un déclencheur de gant conducteur). Un électroaimant libère un ressort puissant relié mécaniquement à des segments de frein opposés, les forçant contre les deux côtés d'un disque de frein. Le disque de frein et la roulette de coupe partagent un arbre, mais sont situés dans des compartiments séparés. Un rapport d'incident sur un réseau est inclus.