Siemens SINUMERIK 840D Programming Guide

14
12.98 User Stock Removal Programs
14.2 Contour
p
re
p
aration: CONTPRON
14
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC 810D 840Di

Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
14-469
Programming example 2
Create a contour table with
•
name KTAB,
•
up to 92 contour elements (circles, straight lines),
•
mode: Longitudinal turning, external machining
•
preparation forwards and backwards
(100.100)
-50
50 100
Z
(-30.80)
(-30.30)
(20.20)
(20.45)
(0.45)
(-15.30)
150
100
50
X
(-40.80)
NC part program
N10 DEF REAL KTAB[92,11]
Contour table named KTAB and, for
example, a maximum of 92 contour
elements
Parameter value 11 is a fixed size
N20 CHAR BT="L"
Mode for CONTPRON:
Longitudinal turning, external machining
N30 DEF INT HE=0
Number of relief cut elements=0
N40 DEF INT MODE=1
Preparation forwards and backwards
N50 DEF INT ERR=0
Error check-back message
...
N100 G18 X100 Z100 F1000
N105 CONTPRON (KTAB, BT, HE, MODE)
Contour preparation call
N110 G1 G90 Z20 X20
N120 X45
N130 Z0
N140 G2 Z-15 X30 K=AC(-15) I=AC(45)
N150 G1 Z-30
N160 X80
N170 Z-40
N180 EXECUTE(ERR)
Terminate filling of contour table, switch to
normal program execution
...

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB