METHOD AND APPARATUS FOR PRODUCING SIGNS WITH PRISMATIC LETTERS AND GRAPHIC IMAGES

A method is disclosed for producing signs having raised, prismatic graphic images such as letters, numbers and other graphic images. Initial values for the graphic images are provided, and includes information defining an initial graphic representation for the graphic images, and may also include a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SOHONI, SANJAY V, GRAY, BARRETT C, STROBEL, WOLFGANG M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DECORATIVE ARTS DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FORSCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING TRANSPORTING
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Beschreibung
Zusammenfassung:	A method is disclosed for producing signs having raised, prismatic graphic images such as letters, numbers and other graphic images. Initial values for the graphic images are provided, and includes information defining an initial graphic representation for the graphic images, and may also include a return, which is the measure of distance by which the graphic images are raised relative to a background of a sign. A cutting tool (50) is provided and has a radius (76) and a cutting angle (78). One or more tool paths (66,68,70) are determined using the initial graphic representation. Tool passes and depths for the other passes are determined using the initial graphic representation, the cutting angle, and a distance which is not greater than the tool radius. A controller (12) generates signals indicative of the tool paths and respective depths, and presents the signals to operate an automatic cutting machine (14) and cutting tool to selectively remove material from a sheet material to produce the graphic images.