Siemens SINUMERIK 840D sl Programming Manual page 63

Syntax
Selecting a tool
T=<No>
T=<Name>
T<n>=<No>
T<n>=<Name>
Tool change
M6
Deselecting a tool
T0
Meaning
T=:
<n>:
M6:
T0:
Example
Program code
N10 T=1 M6
N20 D1
N30 G1 X10 ...
...
N70 T="Drill"
N80 ...
...
N100 M6
N140 D1 G1 X10 ...
...
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Address for the tool selection
The following specifications are possible:
Number of the magazine location
<No>:
Name of tool
<name>:
Note:
The correct notation (uppercase/lowercase) must be used when pro‐
gramming a tool name.
Spindle number as address extension
Note:
The possibility of programming a spindle number as an address extension depends on the
configuration of the machine (→ see machine manufacturer's specifications).
M function for the tool change (according to DIN 66025)
M6 activates the selected tool (T...) and the tool offset (D...).
Tool deselection (magazine location unoccupied)
Comment
; Loading of the tool from magazine location 1.
; Selection of tool length compensation.
; Machining with tool T=1.
; Preselection of the tool with name "Drill".
; Machining with tool T=1.
; Loading of the drill.
; Machining with drill.
Fundamentals
2.4 Tool change
63