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ShopTurn Functions 08/2005
5.6 Contour millin
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♥ Siemens AG, 2005. All rights reserved
5-274 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
5.6.3 Creating contour elements
When you have created a new contour and specified the start point,
you can define the individual elements that the contour comprises.
The following contour elements are available for the definition of a
contour:
Straight horizontal line
Straight vertical line
Diagonal line
Circle / arc
For each contour element, you must parameterize a separate screen
form. The coordinates for a horizontal or vertical line are entered in
Cartesian format; however, for the contour elements Diagonal line and
Circle/arc you can choose between Cartesian and polar coordinates. If
you wish to enter polar coordinates you must first define a pole. If you
have already defined a pole for the start point, you can also relate the
polar coordinates to this pole. In this case there is therefore no need
to define another pole.
Parameter input
Parameter entry is supported by various "help displays" that explain
the parameters.
If you leave certain fields blank, ShopTurn assumes that the values
are unknown and attempts to calculate them from other parameters.
Conflicts may result if you enter more parameters than are absolutely
necessary for a contour. In such a case, try entering less parameters
and allowing ShopTurn to calculate as many parameters as possible.
Machining direction
In the case of path milling, the contour is always machined in the
programmed direction. By programming the contour in the clockwise
direction or counterclockwise direction, you can determine whether the
contour is machined with down-cut milling or up-cut milling (see the
following table).
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