W1: Tool offset
18.4 Tool cutting edge
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
1457
References
Please refer to the following documentation for a detailed description of the tool clearance angle:
• Programming Manual Cycles
18.4.10
Tools with a relevant tool point direction
The following must be observed for tools with relevant cutting edge position:
• The straight line between the tool edge center points at the block start and block end is used to calculate
intersection points with the approach and retraction block. The difference between the tool edge reference
point and the tool edge center point is superimposed on this movement.
For approach and/or retraction with
KONT
, the movement is superimposed in the linear subblock of the
approach or retraction movement. Therefore, the geometric conditions for tools with or without relevant cutting
edge position are identical.
• In circle blocks and in motion blocks containing rational polynomials with a denominator degree > 4, it is not
permitted to change a tool with active tool radius compensation in cases where the distance between the tool
edge center point and the tool edge reference point changes. With other types of interpolation, it is now
possible to change when a transformation is active (e.g.
TRANSMIT
).
• For tool radius compensation with variable tool orientation, the transformation from the tool edge reference
point to the tool edge center point can no longer be performed by means of a simple zero offset. Tools with a
relevant cutting edge position are therefore not permitted for 3D peripheral milling (an alarm is output).
Note
If a tool clearance angle (tool parameter 24) of zero is entered, relief cutting is not monitored
in the turning cycles.
Note
The subject is irrelevant with respect to face milling as only defined tool types without
relevant cutting edge position are permitted for this operation anyway. (A tool with a type,
which has not been explicitly approved, is treated as a ball end mill with the specified
radius. A cutting edge position parameter is ignored).
Содержание SINUMERIK 828D Turning
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