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Siemens SINUMERIK 840D sl User Manual

Siemens SINUMERIK 840D sl
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Parameter Description Unit
Direction in front
of the contour
Direction of the contour element towards the starting point:
In the negative direction of the horizontal axis
In the positive direction of the horizontal axis
In the negative direction of the vertical axis
In the positive direction of the vertical axis
Additional com‐
mands
You can enter additional commands in the form of G code for each contour element. You
can enter the additional commands (max. 40 characters) in the extended parameter
screens ("All parameters" softkey). The softkey is always available at the starting point,
it only has to be pressed when entering additional contour elements.
You can program feedrates and M commands, for example, using additional G code
commands. However, carefully ensure that the additional commands do not collide with
the generated G code of the contour and are compatible with the machining type required.
Therefore, do not use any G code commands of group 1 (G0, G1, G2, G3), no coordinates
in the plane and no G code commands that have to be programmed in a separate block.
The contour is finished in continuous-path mode (G64). As a result, contour transitions
such as corners, chamfers or radii may not be machined precisely.
If you wish to avoid this, then it is possible to use additional commands when programming.
Example:
For a contour, first program the straight X parallel and then enter "G9" (non-modal exact
stop) for the additional command parameter. Then program the Z-parallel straight line.
The corner will be machined exactly, as the feedrate at the end of the X-parallel straight
line is briefly zero.
Note:
The additional commands are only effective for finishing!
10.5.4 Creating contour elements
Creating contour elements
After you have created a new contour and specified the starting point, you can define the
individual elements that make up the contour.
The following contour elements are available for the definition of a contour:
Straight vertical line
Straight horizontal line
Programming technological functions (cycles)
10.5 Contour turning - Milling/turning machine
Milling
578 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0

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Siemens SINUMERIK 840D sl Specifications

General IconGeneral
BrandSiemens
ModelSINUMERIK 840D sl
CategoryControl Systems
LanguageEnglish

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