In a CNC program block, N002 G02 G91 X40 Z40…, G02 AND G91 refer to
(a) Circular interpolation in counterclockwise direction and incremental dimension
(b) Circular interpolation in counterclockwise direction and absolute dimension
(c) Circular interpolation in clockwise direction and incremental dimension
(d) Circular interpolation in clockwise direction and absolute dimension
This question was addressed to me by my school principal while I was bunking the class.
This intriguing question comes from Computer Aided Analysis for Four Bar Mechanism in section Computer Aided Analysis and Synthesis of Mechanisms of Machine Dynamics