Siemens SINUMERIK 840D Operator's Guide

6
03.04 "Program" Operating Area
6.5 Free contour
p
ro
g
rammin
g
6
Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition 6-289
Circular arc polar input
example
You want a counterclockwise arc to travel from the starting point
X67.5 Y80.211 around the center point I=50, J=50 (according to the
pole) and the radius 34.913 to the end point with an absolute polar
angle of 200.052 degrees.
The inputs for the circular arc are as follows:
The code created in the part program is as follows:
Compare: References: /PG/, Programming Guide Fundamentals
"Circular programming with polar coordinates"

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