Siemens SINUMERIK 840D Operation/Programming

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Programming with ShopMill 10.04
3.6 Linear or circular
p
ath motions
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 Siemens AG, 2004. All rights reserved
3-228 SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
3.6.7 Circle polar
A circle in the polar coordinate system is defined by an angle (α). The
angle refers to the X axis.
The tool moves from its current position on a circular path to the
programmed end point (angle) at the machining feedrate.
The radius corresponds to the distance from the current tool position
to the defined pole, i.e. the circle start and end point positions are at
the same distance from the defined pole.
The 1st circle 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
>
Circle
polar >
 Press the "Straight/Circle", "Polar" and "Circle polar" softkeys.
Call help display with
the
key
Help display for polar circle with absolute and incremental angle
Parameters Description Unit
Direction of
rotation
The tool travels in the programmed direction from the circle starting point to its end
point. You can program this direction as clockwise (right) or counterclockwise (left).
α
Polar angle (abs. or inc., positive or negative) Degr.

Siemens SINUMERIK 840D Specifications

General

Brand	Siemens
Model	SINUMERIK 840D
Category	Control Unit
Language	English