Touch Probe Cycles: Automatic Workpiece Inspection
15.9 MEASURE INSIDE WIDTH (Cycle 425, DIN/ISO: G425)
15
402
HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
Cycle parameters
Q328 Starting point in 1st axis? (absolute): Starting
point for probing in the reference axis of the working
plane. Input range -99999.9999 to 99999.9999
Q329 Starting point in 2nd axis? (absolute):
Starting point for probing in the secondary axis
of the working plane. Input range -99999.9999 to
99999.9999
Q310 Offset for 2nd measuremnt (+/-)?
(incremental): Distance by which the touch probe is
displaced before the second measurement. If you
enter 0, the TNC does not offset the touch probe.
Input range -99999.9999 to 99999.9999
Q272 Measuring axis (1=1st / 2=2nd)?: Axis in the
working plane in which the measurement is to be
made:
1: Reference axis = measuring axis
2: Minor axis = measuring axis
Q261 Measuring height in probe axis? (absolute):
Coordinate of the ball tip center (= touch point) in
the touch probe axis in which the measurement is
to be made. Input range -99999.9999 to 99999.9999
Q260 Clearance height? (absolute): coordinate in
the touch probe axis at which no collision between
tool and workpiece (fixtures) can occur. Input range
-99999.9999 to 99999.9999
Q311 Nominal length? : Nominal value of the length
to be measured. Input range 0 to 99999.9999
Q288 Maximum limit of size?: Maximum
permissible length. Input range 0 to 99999.9999
Q289 Minimum limit of size?: Minimum
permissible length. Input range 0 to 99999.9999
Measuring log Q281: Define whether the TNC
should create a measuring log:
0: Do not create a measuring log
1: Create a measuring log: The TNC saves the log
file TCHPR425.TXT as standard in the directory
TNC:\.
2: Interrupt program run and output measuring log
to the TNC screen. Resume program run with NC
Start.
Q309 PGM stop if tolerance exceeded?: Definition
of whether in the event of a violation of tolerance
limits the TNC is to interrupt program run and output
an error message:
0: Do not interrupt program run, do not output an
error message
1: Interrupt program run and output an error
message
NC blocks
5 TCH PROBE 425 MEASURE INSIDE
WIDTH
Q328=+75 ;STARTNG PNT 1ST
AXIS
Q329=-12.5;STARTNG PNT 2ND
AXIS
Q310=+0 ;OFFS. 2ND
MEASUREMNT
Q272=1 ;MEASURING AXIS
Q261=-5 ;MEASURING HEIGHT
Q260=+10 ;CLEARANCE HEIGHT
Q311=25 ;NOMINAL LENGTH
Q288=25.05;MAXIMUM LIMIT
Q289=25 ;MINIMUM LIMIT
Q281=1 ;MEASURING LOG
Q309=0 ;PGM STOP TOLERANCE
Q330=0 ;TOOL
Q320=0 ;SET-UP CLEARANCE
Q301=0 ;MOVE TO CLEARANCE
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