Programming technology functions (cycles)
8.5 Contour milling
Turning
442 Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Cylinder surface transformation
For contours (e.g. slots) on cylinders, lengths are frequently specified in the form of angles. If
the "Cylinder surface transformation" function is activated, you can also define on a cylinder
the length of contours (in the circumferential direction of the cylinder surface) using angles.
This means instead of X, Y and I, J, you enter Xα, Yα and Iα, Jα.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Parameter input
Parameter entry is supported by various help screens that explain the parameters.
If you leave certain fields blank, the geometry processor 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 to enter fewer parameters and allow the geometry processor to
calculate as many parameters as possible.
Contour transition elements
As a transition between two contour elements, you can choose a radius or a chamfer. The
transition element is always attached at the end of a contour element. The contour transition
element is selected in the parameter screen of the respective contour element.
You can use a contour transition element whenever there is an intersection between two
successive elements which can be calculated from the input values. Otherwise you must use
the straight/circle contour elements.
The contour end is an exception. Although there is no intersection to another element, you
can still define a radius or a chamfer as a transition element for the blank.
Additional functions
The following additional functions are available for programming a contour:
● Tangent to preceding element
You can program the transition to the preceding element as tangent.
● Dialog box selection
If two different possible contours result from the parameters entered thus far, one of the
options must be selected.
● Close contour
From the actual position, you can close the contour with a straight line to the starting
point.
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