Variable volume coolant system

B - Operations – Transporting – 24 – B

Patent

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Details

B24B 55/02 (2006.01) B24B 5/42 (2006.01) B24B 19/12 (2006.01)

Patent

CA 2264506

A variable volume coolant system (42) for delivering liquid coolant. A first conduit path (46) is defined between a source of liquid coolant and a nozzle (40) for delivering coolant to the gap defined between the machine tool (34) and the workpiece (22); a second conduit path (48) is also defined between the source of liquid coolant and the nozzle (40). A first valve (52) controls the flow of liquid coolant through the first conduit path (46), while a second valve (54) performs the same function for the second conduit path (48). The first conduit path (46) possess a greater volume than the second conduit path (48). By selectively adjusting the first (52) and second valves (54), a high volume flow of liquid coolant is maintained over most of the machining operation.

Cette invention concerne un système de refroidissement à volume variable (42) conçu pour alimenter en liquide de refroidissement. Une première conduite (46) est disposée entre une source de liquide de refroidissement et une tuyère (40) conçue pour amener le liquide de refroidissement au niveau de l'espace défini entre la machine-outil (34) et la pièce à travailler (22); une seconde conduite (48) est également disposée entre la source de liquide de refroidissement et la tuyère (40). Un premier robinet (52) régule le flux du liquide de refroidissement à travers la première conduite (46), tandis qu'un second robinet (54) effectue la même fonction pour la seconde conduite (48). En réglant de manière sélective le premier (52) et le second (54) robinets, on maintient un flux volumique important de liquide de refroidissement pendant la plus grande partie de l'opération d'usinage.

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