3
10.04 Programming with ShopMill
3.6 Linear or circular
ath motions
3
ï›™ Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 3-223
3.6.2 Circle with known center point
The tool travels along a circular path from its current position to the
programmed circle end point. You must know the position of the circle
center point. The control calculates the radius of the circle/arc on the
basis of your interpolation parameter settings.
The circle can only be traversed at machining feedrate. You must
program a tool before the circle can be traversed.
Circle
center point
îš¾ Press the "Straight/Circle" and "Circle center point" softkeys.
Call help display with
the
key
Help display for circle with known center point
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 or counterclockwise.
X
Y
X position circle end point (abs. or inc.)
Y position circle end point (abs. or inc.)
mm
mm
I
J
Distance between circle start and center point in X direction (inc.)
Distance between circle start and center point in Y direction (inc.)
mm
mm
Plane The circle is traversed in the set plane with the relevant interpolation
parameters:
XYIJ: XY plane with interpolation parameters I and J
XZIK: XZ plane with interpolation parameters I and K
YZJK: YZ plane with interpolation parameters J and K
mm
mm
mm
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