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Published byIsaac Wilkerson Modified over 9 years ago
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Tool Nose Radius = TNR
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Tool nose radius An offset feature used on turning center that slightly shifts the tool path for a round tip on an insert during multi-axis operation The X and Z axis of tool create a square point and most of tools for turning have radii
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TNR X and Z tool offsets to the tool change Size of the TNR Standard radii are: 1/64 or.0156 1/32 or.0312 3/64 or.0469 Tool nose vector The tool tip of single pointed tool has specific location from the center of the TNR The tool nose vector indicates this location to the controller(P320)
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TNR compensation G code activating TNR compensation is entered as a separate block in the program G41, G42
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TNR
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Circular interpolation Direct Arc Programing line: Direction G 03, N010 G03 x2.00 Z -0.50 R 0.50
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Circular interpolation Direct Arc Programing line: Direction G 02,
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Circular interpolation example
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