
1. MACHINING PROGRAMS FOR
2–AXES (X AND Z AXIS) LATHES
B–62444E–1/04
TYPES OF MACHINING
PROGRAMS
352
After process data is entered and confirmed, moving the cursor to the next
line of the process data displays the figure data for the necking process.
60
INPUT (X–coordinate of the first necking portion)
20
INPUT (Z–coordinate of the first necking portion)
70
INPUT (X–coordinate of the second necking portion)
50
INPUT (Z–coordinate of the second necking portion)
BSC PT X1: X–coordinate value of the reference position
for the first necking portion
Z1: Z–coordinate value of the reference position
for the first necking portion
X5: X–coordinate of the reference point for the fifth
necking portion
Z5: Z–coordinate of the reference point for the fifth
necking portion
Pn (X, Z): Reference point
For necking, only finish machining is performed.
Cancellation of nose–R
compensation
Cutting start point
Start up nose–R of
compensation
SA
EA
1.7.4
Details of Figure Data
1.7.5
Details of Necking