as you are "inch worming"...
Code:
G0 Z10.
(HOLD THE BAR IN SOME WAY)
M7(OPEN COLLET)
G0 W-10.(BACK UP HEAD STOCK 10 INCHES)
G50 W10.(SHIFT YOUR Z COORDINATE SYSTEM)
M6(CLOSE COLLET)
(REMOVE THE BAR HOLDING)
G0 Z20.
(HOLD THE BAR)
M7(OPEN COLLET)
G0 W-10.(BACK UP HEAD STOCK 10 INCHES)
G50 W10.(SHIFT YOUR Z COORDINATE SYSTEM)
M6(CLOSE COLLET)
(REMOVE THE BAR HOLDING)
G0 Z30.
(SO ON AND SO FORTH)
(AT THE END )
G50 W-{TOTAL OF ALL THE APPLIED SHIFTS}(CANCEL ALL SHIFTS)
M7(OPEN COLLET)
G0Z0(OR WHATEVER END POINT YOU USE)
Control the process, not the product!
Machining is more science than art, master the science and the artistry will be evident.