Importance

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Abstract

A positioning rule stopper apparatus used use in a numerical control router, includes a supporting bed; first and second rails mounted on the bed at right angles to each other; a head structure including a process head having a motor with a rotary shaft on which a tool can be fixed; a suction table with short and long outer sides, mounted on the second rail for holding a sacrifice board and a process board thereon; a first stopper holder fixed to the bed at one short outer side of the suction table; first rule stoppers for the sacrifice and process boards in common; first cylinders mounted on the first stopper holder for moving the rule stoppers to position short sides of the sacrifice and process boards with respect to the suction table; first confirming contact limit switches for confirming the position of the short sides of the boards; a second stopper holder fixed to the bed at one longer outer side of the suction table; second and third rule stoppers for the sacrifice board and process board, respectively; second and third cylinders alternatively slidably mounted on the second stopper holder at different heights for moving the second and third rule stoppers to position long sides of the sacrifice and process boards with respect to the suction table; and second and third confirming contact limit switches engaged with the second and third rule stoppers for confirming the position of the long sides of the sacrifice board.

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First Claim