FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
14. FUNCTIONS TO SIMPLIFY
PROGRAMMING
B–62754EN/01
158
Type II differs from type I in the following : The profile need not show
monotone increase or decrease along the X axis, and it may have up to 10
concaves (pockets).
12310
......
Fig. 14.2.1 (b) Number of Pockets in Stock Removal in Turning (Type II)
Note that, however, the profile must have monotone decrease or increase
along the Z axis. The following profile cannot be machined:
Monotone change is not
observed along the Z axis
Fig. 14.2.1 (c) Figure Which Cannot Be Machined in Stock Removal in
Turning (Type II)
The first cut portion need not be vertical ; any profile is permitted if
monotone change is shown along the Z axis.
Fig. 14.2.1 (d) Figure Which Can Be Machined (Monotonic change) in
Stock Removal in Turning (Type II)
After turning, a clearance is provided by cutting along the workpiece
profile.
D Type II

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