HEIDENHAIN TNC 426 PB/M Technical Manual page 771

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December 2001
Machines parameter that are used:
Machine parameter
MP7260 = 90
MP7261 = 12
MP7480.0 = 4
MP7480.1 = 4
The flowchart for this tool changer is divided into the following modules or
subprograms:
Module
TOOL DEF
TOOL CALL
STANDBY
STANDBY BACK
MANUAL TOOL IN
MANUAL TOOL OUT
MANUAL IN/OUT
INSERT
COMPUTE SHORTEST DIRECTION
COMPARE P CODE WITH ISTREG
COMPARE GRE1 WITH ISTREG
Tool Changer
Meaning
Number of tools in the tool table
Number of the pockets in the tool magazine
Output of the pocket number and tool number for
every TOOL CALL block
Output of the pocket number and tool number for
every TOOL DEF block
Meaning
Search for tool and load in GRE1
Automatic tool change
Search for tool and load in GRE1
Return tool from GRE1 to the
magazine
Manual tool follows a normal or
special tool
Normal or special tool follows a
manual tool
Manual tool follows a manual tool
Replace old tool with new tool
6 – 441

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