HEIDENHAIN TNC 310 (286 140) - Manual (Page 151)

139 HEIDENHAIN TNC 310
8.6 Cy
cles f
or Coor
dinat
e
T
ransf
or
mations
Application
Datum tables are applied for
■ frequently recurring machining sequences at various locations on
the workpiece
■ frequent use of the same datum shift
Within a program, you can either program datum points directly in
the cycle definition or call them from a datum table.
ú Define Cycle 7
ú Press the soft key for entering the datum number.
Enter the datum number and confirm it with the END
key.
Example NC blocks:
77 CYCL DEF 7.0 DATUM SHIFT
78 CYCL DEF 7.1 #12
Cancellation
■ Call a datum shift to the coordinates X=0; Y=0 etc. from a datum
table.
■ Execute a datum shift to the coordinates X=0; Y=0 etc. directly via
cycle definition.
Selecting a datum table in the part program
With the SEL TABLE function you select the table from which the
TNC takes the datums:
ú To select the functions for program call, press the
PGM CALL key.
ú Press the DATUM TABLE soft key.
ú Enter the name of the datum table, then confirm with
the END key.
Editing a datum table
Select the datum table in the PROGRAMMING AND EDITING mode
of operation.
ú To call the file manager, press the PGM MGT key —
see section 4.2 “File Management” for more
information.
ú Move the highlight to any datum table. Confirm with
the ENT key.
ú File editing: See the ”Editing functions” table.
To leave a datum table
ú Call the file manager and select a file of a different type, e.g. a
part program.
Editing functions Soft key
Select the axis. /
Scroll downwards line by line
Scroll upwards line by line
Go to the previous page
Go to the previous page
Move one word to the right
Move one word to the left
Confirm current position,
e.g. for the Z-axis
Enter the number of lines
to be inserted
Delete and temporarily store a line
Insert a new line or the line last deleted
Go to the beginning of the table
Go to the end of the table