
B-63173EN-1/01-15
10/17
EDIT
DATE DESIG. DESCRIPTION
FANUC Power Mate i-MODEL H
Enhancement of Electronic CAM
Function Specifications
DRAW.NO. CUST.
SHEET
01
00.08.07 New design
TITLE
Example
How to use the items in chapter 2.2 and 2.3 concretely is described with the application example
shown in the following figure.
Fig.2-1 Application example for the items in chapter 2.2, 2.3
In the Fig.2-1, the horizontal axis corresponds to the phase of a CAM shaft and the vertical axis
corresponds to the position of a CAM follower. The external axis is performed to-and-fro linear motion
by the CAM shaft.
As shown in the Fig.2-1, the external axis is started from the certain point at first. Then the follower
axes #1, #2 and #3 are started one by one from the designated points. And electronic CAM operation
with an external axis as a CAM shaft (external synchronization) is performed.
When the operation is completed, the external axis will stop at the certain point and a CAM shaft axis
is switched to an imaginary axis at the same time so that the CAM follower axes stop at the certain
point smoothly. The imaginary axis starts moving automatically with keeping the velocity of the external
axis. Then electronic CAM operation with an imaginary axis as a CAM shaft (internal synchronization)
is performed.
After that, each follower axis will stop at each designated point one by one.
The way to realize above is described in the pages that follow.
Follower #1
Follower #2
Follower #3
Starting
#3
Starting external axis Stopping external axis
Switch to imaginary axis
Stopping
#1
Stopping
#2
Stopping
#3
Stopping imaginary
axis
Internal synchronization by
imaginary axis
External synchronization by external axis
Starting
#2
Starting
#1
CAM
follower
position
CAM shaft
phase
External axis/
Imaginary axis