Mechanical Engineering > GATE 2017 SET-1 > CNC Machining
Circular arc on a part profile is being machined on a vertical CNC milling machine. CNC part program using metric units with absolute dimensions is listed below:
N60 G01 X 30 Y 55 Z-5 F50
N70 G02 X 50 Y 35 R 20
N80 G01 Z5
The coordinates of the centre of the circular arc are:
N60 G01 X 30 Y 55 Z-5 F50
N70 G02 X 50 Y 35 R 20
N80 G01 Z5
The coordinates of the centre of the circular arc are:
Correct : d
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