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

PROGRAMMING
B–62754EN/01
14. FUNCTIONS TO SIMPLIFY
PROGRAMMING
173
The canned cycle for drilling simplifies the program normally by
directing the machining operation commanded with a few blocks, using
one block including G function.
This canned cycle conforms to JIS B 6314.
Following is the canned cycle table.
Table 14.3(a) Canned Cycles
G code
Drilling
axis
Hole machining
operation (– direction)
Operation in the
bottom hole position
Retraction operation
(+ direction)
Applications
G80 ____ _____ _____ ___ Cancel
G83 Z axis Cutting feed / intermittent Dwell Rapid traverse Front drilling cycle
G84 Z axis Cutting feed Dwellspindle CCW Cutting feed Front tapping cycle
G85 Z axis Cutting feed _____ Cutting feed Front boring cycle
G87 X axis Cutting feed / intermittent Dwell Rapid traverse Side drilling cycle
G88 X axis Cutting feed DwellSpindle CCW Cutting feed Side tapping cycle
G89 X axis Cutting feed Dwell Cutting feed Side boring cycle
In general, the drilling cycle consists of the following six operation
sequences.
Operation 1 Positioning of X (Z) and C axis
Operation 2 Rapid traverse up to point R level
Operation 3 Hole machining
Operation 4 Operation at the bottom of a hole
Operation 5 Retraction to point R level
Operation 6 Rapid traverse up to the initial point
Operation 1
Operation 2
Operation 3
Operation 4
Operation 5
Operation 6
Rapid traverse
Feed
Initial level
Point R level
Fig. 14. 3 (a) Drilling Cycle Operation Sequence
14.3
CANNED CYCLE FOR
DRILLING (G80–G89)
Explanations

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