Representation Of The Contour - Siemens SINUMERIK 840D Operating Manual

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5. Remove residual material (roughing)

6. Stock removal along the contour (finishing)

Representation of the contour

G code program

In the editor, the contour is represented in a program section using individual program

blocks. If you open an individual block, then the contour is opened.

Symbolic representation

The individual contour elements are represented by symbols adjacent to the graphics

window. They appear in the order in which they were entered.

Contour element

Starting point

Straight line up

Straight line down

Straight line left

Straight line right

Straight line in any direction

Finish contour

The different colors of the symbols indicate their status:

Operating Manual, 03/2010, 6FC5398-7CP20-1BA0

For G code programming, when removing stock, it must first be decided whether to rough

(machine) with residual material detection or not. A suitable tool will allow you to remove

this without having to machine the contour again.

If you programmed a finishing allowance for roughing, the contour is machined again.

Programming technological functions (cycles)

8.5 Contour turning - only for G code programs

Starting point of the contour

Straight line in 90° grid

Straight line with any gradient

Straight diagonal or circle in

polar coordinates

End of contour definition

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