Modifications During Rotation Of Milling And Tapping Tools - Siemens SINUMERIK 840D sl Function Manual

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The cutting edge position of the tapping and milling tools is stored in tool parameter $TC_DP2

as in the case of turning tools. Based on the definition of the cutting edge position for turning

tools, this parameter can assume the values 5 to 8. Here, the cutting edge position specifies

the orientation (the direction of the rotation axis) of the tool:

Length of cutting edge

Figure 18-47 Milling tool with cutting edge position 7

Modifications during rotation of milling and tapping tools

The cutting edge position is recalculated appropriately during a rotation of a milling or tapping

tool. Cut direction and tool angle (clearance angle or holder angle) are not defined for milling

and tapping tools so that the change in cutting edge position is derived exclusively from the

rotation. Thus, for milling and tapping tools, the cutting edge position always changes when

the amount of rotation with reference to the zero setting is more than 45°.

Basic Functions

Function Manual, 01/2015, 6FC5397-0BP40-5BA2

18.7 Cutting edge data modification for tools that can be rotated

Direction of rotation axis of tool

W1: Tool offset

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