Tool Change; Tool Change Without Tool Management; Tool Change With T Command - Siemens Sinumerik 840D sl Programming Manual

Tool change

Tool change method
In chain, rotary-plate and box magazines, a tool change normally takes place in two stages:
1. The tool is sought in the magazine with the T command.
2. The tool is then loaded into the spindle with the M command.
In circular magazines on turning machines, the T command carries out the entire tool change,
that is, locates and inserts the tool.
Note
The tool change method is set via a machine data (→ machine manufacturer).
Conditions
Together with the tool change:
● The tool offset values stored under a D number have to be activated.
● The appropriate working plane has to be programmed (basic setting: G18). This ensures
that the tool length compensation is assigned to the correct axis.
Tool management (option)
The programming of the tool change is performed differently for machines with active tool
management (option) than for machines without active tool management. The two options are
therefore described separately.
5.1

Tool change without tool management

5.1.1

Tool change with T command

There is a direct tool change when the T command is programmed.
Application
For turning machines with circular magazine.
Fundamentals
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
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