Siemens SINUMERIK 840D Operation/Programming

3
10.04 Programming with ShopMill
3.6 Linear or circular
p
ath motions
3
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 3-227
3.6.6 Straight polar
A
straight line in the polar coordinate system is defined by a radius (L)
and an angle (α). The angle refers to the X axis.
The tool moves from its current position on a straight line to the
programmed end point at the machining feedrate or in rapid traverse.
The 1st line in polar coordinates entered after the pole must be
programmed with an absolute angle. You can program any further
lines or circles with incremental coordinates.
Polar
>
Straight
polar >
 Press the "Straight/Circle", "Polar" and "Straight polar" softkeys.
Call help display with
the
key
Help display for polar line with absolute and incremental angle
Parameters Description Unit
L Radius from pole to end point of line mm
α
Polar angle (abs. or inc., positive or negative) Degr.
Radius
compensation
Input defining which side of the contour the cutter travels in the programmed
direction:
Radius compensation, left
of contour
Radius compensation, right
of contour
Radius compensation off
Radius compensation is retained
as set

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