# Reference axis direction decides brief introduction really

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The athletic way of coordinate of Z of 　 of Z coordinate 　 is by what hand decision of place of cutting dynamic main shaft, namely parallel is Z coordinate namely at the reference axis of main shaft axes, of Z coordinate to the way that leaves work for cutting tool. If there are a few main shafts on the machine tool, choose perpendicular the main shaft direction that places plane at workpiece outfit is Z coordinate direction; If main shaft can swing, choose perpendicular the direction that places plane at workpiece outfit is Z coordinate direction; If the machine tool does not have main shaft, choose perpendicular the direction that places plane at workpiece outfit is Z coordinate direction. The graph shows the Z coordinate that is numerical control lathe 1 times. Graph the Z coordinate of lathe of 1 numerical control 2.

Parallel of coordinate of X of X coordinate 　 places plane at the outfit of workpiece, it is commonly inside horizontal. If workpiece does whirligig, criterion the square that cutting tool leaves the direction of workpiece to be X coordinate to; If cutting tool does whirligig, divide for two kinds of circumstances: When 1)Z coordinate level, when observer looks to workpiece along cutter spindle, + X movement way is pointed to right; When 2)Z coordinate is perpendicular, when observer faces cutter spindle to look to pillar, + X movement way is pointed to right. The graph shows the X coordinate that is numerical control lathe 2 times. Graph the X coordinate of lathe of 2 numerical control 3.

Y coordinate is in the square of coordinate of affirmatory X, Z backward, can use the way according to X and Z coordinate, according to right hand rectangular coordinates the department determines the direction of Y coordinate. The graph shows the Y coordinate that is numerical control lathe 3 times. Graph the: of Y coordinate example of lathe of 3 numerical control? The structure of milling machine of numerical control vertical that milling machine of vertical of? numerical control shows 4 times according to the graph pursues, try linear coordinate of affirmatory X, Y, Z. (1)Z coordinate: Parallel at main shaft, cutting tool is from the way that opens work. (2)X coordinate: Z coordinate is perpendicular, and cutting tool rotates, face cutter spindle to look to pillar direction so, it is right. (3)Y coordinate: After coordinate of Z, X is affirmatory, with right hand rectangular coordinates the department decides. CNC Milling CNC Machining