Heidenhain TNC 620 (34056x-04) Cycle programming Uživatelský manuál stáhnout pdf (Strana 330)

Touch Probe Cycles: Automatic Datum Setting

15.7 DATUM FROM OUTSIDE OF CIRCLE (Cycle 413, DIN/ISO: G413,

software option 17)

330

TNC 620 | User's Manual Cycle Programming | 5/2013

Measuring height in the touch probe axis Q261

(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

Set-up clearance Q320 (incremental): Additional

distance between measuring point and ball tip.

Q320 is added to SET_UP (touch probe table). Input

range 0 to 99999.9999

Clearance height Q260 (absolute): Coordinate in

the touch probe axis at which no collision between

touch probe and workpiece (fixtures) can occur.

Input range -99999.9999 to 99999.9999

Traversing to clearance height Q301: definition

of how the touch probe is to move between the

measuring points:

0: Move at measuring height between measuring

points

1: Move at clearance height between measuring

points

Datum number in table Q305: Enter the number

in the datum/preset table in which the TNC is to

save the coordinates of the stud center. If you enter

Q305=0, the TNC automatically sets the display

so that the new datum is on the stud center. Input

range 0 to 2999

New datum for reference axis Q331 (absolute):

Coordinate in the reference axis at which the TNC

should set the stud center. Default setting = 0 input

range -99999.9999 to 99999.9999

New datum for minor axis Q332 (absolute):

Coordinate in the minor axis at which the TNC

should set the stud center. Default setting = 0 input

range -99999.9999 to 99999.9999

Measured-value transfer (0, 1) Q303: Specify

whether the determined datum is to be saved in the

datum table or in the preset table:

-1: Do not use! Is entered by the TNC when old

programs are read in (See "Characteristics common

to all touch probe cycles for datum setting")

0: Write determined datum in the active datum

table. The reference system is the active workpiece

coordinate system

1: Write the measured datum into the preset table.

The reference system is the machine coordinate

system (REF system).

Probe in TS axis Q381: Specify whether the TNC

should also set the datum in the touch probe axis:

0: Do not set the datum in the touch probe axis

1: Set the datum in the touch probe axis

NC blocks

5 TCH PROBE 413 DATUM OUTSIDE

CIRCLE

Q321=+50 ;CENTER IN 1ST AXIS

Q322=+50 ;CENTER IN 2ND AXIS

Q262=75 ;NOMINAL DIAMETER

Q325=+0 ;STARTING ANGLE

Q247=+60 ;STEPPING ANGLE

Q261=-5 ;MEASURING HEIGHT

Q320=0 ;SET-UP CLEARANCE

Q260=+20 ;CLEARANCE HEIGHT

Q301=0 ;MOVE TO CLEARANCE

Q305=15 ;NO. IN TABLE

Q331=+0 ;DATUM

Q332=+0 ;DATUM

Q303=+1 ;MEAS. VALUE

TRANSFER

Q381=1 ;PROBE IN TS AXIS

Q382=+85 ;1ST CO. FOR TS AXIS

Q383=+50 ;2ND CO. FOR TS AXIS

Q384=+0 ;3RD CO. FOR TS AXIS

Q333=+1 ;DATUM

Q423=4 ;NO. OF PROBE POINTS

Q365=1 ;TYPE OF TRAVERSE

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