Module E (3) : Major Components Of A CNC System

( 2 ) Machine axes designation

Machine axes are designated according to the "right-hand rule", When the thumb of right hand points in the direction of the positive X axis, the index finger points toward the positive Y axis, and the middle finger toward the positive Z axis. Figure 10 shows the right-hand rule applied to vertical machines, while Figure 23.1 applies to horizontal machines.

Figure 23.1: Right hand rule for vertical and horizontal machine
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Prof.Madhusudan Rao