5
ShopTurn Functions 08/2005
5.1 Strai
ht or circular
ath movements
5
♥ Siemens AG, 2005. All rights reserved
5-160 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
5.1.3 Circle with known center point
To program a circle or arc with a known center point in Cartesian
coordinates, use the "Circle center point" function.
The tool traverses a circular path from its current position to the
programmed target position at the machining feedrate. ShopTurn
calculates the radius of the circle/arc on the basis of the entered
interpolation parameter settings I and K.
Circle cen-
ter point >
¾ Press the "Strai. Circle" and "Circle center point" soft keys.
Parameters Description Unit
Direction of
rotation
Direction of rotation in which the tool travels from the circle starting point to the circle
end point
Direction of rotation clockwise (right)
Direction of rotation counterclockwise (left)
X
Y
I
J
Machining plane End face/End face C:
Target position in the X direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Target position in the Y direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the X direction (inc)
The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the Y direction (inc)
The plus/minus sign is evaluated.
mm
mm
mm
mm
Y
Z
J
K
Machining plane Peripheral surface/Peripheral surface C:
Target position in the Y direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Target position in the Z direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the Y direction (inc)
The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the Z direction (inc)
The plus/minus sign is evaluated.
mm
mm
mm
mm
X
Y
I
J
Machining plane End face Y:
Target position in the X direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Target position in the Y direction (abs or inc)
Incremental dimensions: The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the X direction (inc)
The plus/minus sign is evaluated.
Distance bet. the circle start. point and the circle center point in the Y direction (inc)
The plus/minus sign is evaluated.
mm
mm
mm
mm
Y
Machining plane Peripheral surface Y:
Target position in the Y direction (abs or inc)
mm
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