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08/2005 ShopTurn Functions
5.4 Contour turnin
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♥ Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 5-217
Feedrate for transition element
If you have chosen a chamfer or a radius as the transition
element, enter a reduced feedrate in the "FRC" parameter. The
slower machining rate means that the transition element is turned
more accurately.
Creating a contour
element
...
¾ Select a contour element via softkey.
¾ Enter all the data available from the workpiece drawing in the
input form (e.g. length of straight line, target position, transition to
next element, angle of lead, etc.).
¾ Press the "Accept" softkey.
The contour element is added to the contour.
¾ Repeat the procedure until the contour is complete.
¾ Press the "Accept" softkey.
The programmed contour is transferred to the machining plan.
All
parameters
If you want to display further parameters for certain contour elements,
e.g. to enter additional commands, press the "All parameters" softkey.
Tangent to preceding
element
When entering data for a contour element you can program the
transition to the preceding element as a tangent.
Tangent to
prec. elem.
¾ Press the "Tangent to prec. elem." softkey.
The angle to the preceding element α2 is set to 0°. The "tangential"
selection appears in the parameter input field.
Selecting a dialog
When entering data for a contour element, there may be two different
contour options, one of which you have to select.
Select
dialog
¾ Press the "Select dialog" softkey to switch between the two
different contour options.
The selected contour appears in the graphics window as a solid black
line and the alternative contour appears as a dashed green line.
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