
A-78640E
Sheet
Title
Draw
No.
04 Feb.08.’03 Part of (4) is added or modified. Addition of 2.16.5
03 Jul.02.’02 A. Fukumoto Part of (3) is added or modified. T.Endo
02 May.13.’02 A. Fukumoto Addition of Tool Radius control for 5-axis machining etc T.Endo
Ed. Date Design Description
Date Jan.25.’02 Desig. A.Fukumoto Apprv. T.Endo
FANUC Series 16i /18i -TB
Specifications of AI High-Precision Contour Control /
I Nano High-Precision Contour control
165/190
3.14 Automatic Feedrate Control Function
#7 #6 #5 #4 #3 #2 #1 #0
8451 NOF ZAG USE
[Data type] Bit
USE Automatic velocity control is:
0 : Not applied.
1 : Applied.
ZAG The velocity is:
0: Not determined according to the angle at which the machine descends along
the Z–axis.
1: Determined according to the angle at which the machine descends along the
Z–axis.
NOF In a block where automatic velocity control is validated, the F command is:
0 : Validated.
1 : Ignored.
(Maximum speed of automatic feedrate control set by parameter No. 8465 is
used for command speed in spite of F command)
#7 #6 #5 #4 #3 #2 #1 #0
8459 OVR CTY CDC
[Data type] Bit
CDC Be sure to set this value to 0.
CTY Be sure to set this value to 1.
OVR In the AI HPCC mode, override to determined feedrate by automatic feedrate
control is
0: Not effective
1: Effective
When this parameter is set “1”, override becomes effective for the following
feedrate.
• Feedrate that determined based on a feedrate difference along each axis.
• Feedrate that determined based on acceleration along each axis.
• Feedrate that determined based on an allowable acceleration during
circular interpolation.
• Maximum feedrate of automatic feedrate control function.
Maximum cutting feedrate (parameter No.1422 or No.1430 or No.1432) is never
exceeded even when override is effective.