Siemens SINUMERIK 840D sl Function Manual page 1831

Figure 2-9
Special points to be noted
The active size of the tool is only defined when the geometry tool length compensation (tool
parameters 3 to 5) and the wear tool length compensation (tool parameters 12 to 14) are
added together. The base-dimension/adapter-dimension tool length compensation is also
added in order to calculate the total tool length compensation in the geometry axes.
Basic logic functions: Tool Offset (W1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Twist drill (tool type 200) with tool length (tool parameter 3)
Detailed Description
2.3 Tool cutting edge
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