
6 NC Channel/PLC Interface (DB 10 ... DB 25)
05.91
6.1 Introduction to channel structure
A single-spindle, double-slide lathe with milling unit, NC-controlled tool turrets and integral
loader is used in the following to illustrate the application of a channel structure. The following
figure is a schematic representation of this configuration.
Schematic representation of a single-spindle, double-slide lathe for turning/milling with integral loader
X2
Z2
Q3
Q2
Q1
a a a a a a
a a a a a a
a a a a a a
a a a a a a
a a
a a
a a
a a
T1
C
T2
a a a a a
a a a a a
a a a a a
a a a a a
a a a a a
a a a a a
a a a a a
a a a a a
S2
Gantry
loader
S1
X1
Z1
The machine units
•
Slide 1, main spindle, auxiliary spindle
•
Turret 1
•
Slide 2
•
Turret 2, and
•
Loader
are allocated to the channels of the SINUMERIK 880 as illustrated in the following figure.
6
–
2
©
Siemens AG 1991 All Rights Reserved 6ZB5 410-0HE02
SINUMERIK 880 (PJ)