Tool Parameters 12 - 14: Wear - Tool Lengths; Tool Parameters 15 - 20: Wear - Tool Shape - Siemens SINUMERIK 840D sl Function Manual

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Table of Contents

W1: Tool offset

18.4 Tool cutting edge

Please refer to the following documentation for information about entering tool shapes (radius

for tool radius compensation) in tool parameters 6 to 11 and how these are calculated by

geometry tool radius compensation in the three geometry axes:

● Programming Manual, Fundamentals; Section: "Tool compensations" > "2½ D tool

compensation"

● Functions Manual - Special Functions; 3D tool radius compensation (W5)

For 3D face milling, please refer to:

● Programming Manual, Job Planning; Section: "Transformations" > "Three, Four and Five

axis Transformation (TRAORI)"

Tool parameters 12 - 14: Wear - tool lengths

While geometry tool length compensation (tool parameters 3 to 5) is used to define the size

of the tool, wear tool length compensation can be used to correct the change in the active tool

The active tool dimensions can change due to:

● Differences between the tool fixture on the tool measurement machine and the tool fixture

on the machine tool

● Tool wear caused during service life by machining

● Definition of the finishing allowances

Active tool size

The geometry tool compensation (tool parameters 3 to 5) and the wear tool length

compensation (tool parameters 12 to 14) are added together (geometry tool length 1 is added

to wear tool length 1, etc.) to arrive at the size of the active tool.

While geometry tool radius compensation (tool parameters 6 to 11) is used to define the shape

of the tool, wear tool radius compensation can be used to correct the change in the active tool

The active tool dimensions can change due to:

● Tool wear caused during service life by machining

● Definition of the finishing allowances

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

Basic Functions

Sinumerik 828d Sinumerik 840de sl