HEIDENHAIN TNC 620 (73498x-01) ISO programming User Manual

Page 495

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*) Non-modal function

Touch probe cycles for workpiece measurement

G55
G420
G421
G422
G423
G424
G425
G426
G427
G430
G431

Measure any coordinate
Measure any angle
Measure hole
Measure cylindrical stud
Measure rectangular pocket
Measure rectangular stud
Measure slot
Measure ridge
Measure any coordinate
Measure circle center
Measure any plane

Touch probe cycles for tool measurement

G480
G481
G482
G483

Calibrate the TT
Measure tool length
Measure tool radius
Measure tool length and tool radius

Special cycles

G04*
G36
G39*
G62
G440
G441

Dwell time with F seconds
Spindle orientation
Program call
Tolerance deviation for fast contour milling
Measure axis shift
Fast probing

Define machining plane

G17
G18
G19
G20

Working plane X/Y, tool axis Z
Working plane Z/X, tool axis Y
Working plane Y/Z, tool axis X
Tool axis IV

Dimensions

G90
G91

Absolute dimensions
Incremental dimensions

Unit of measure

G70
G71

Inches (set at start of program)
Millimeters (set at start of program)

Other G functions

G29

G38
G51*
G79*
G98*

Transfer the last nominal position value as a pole
(circle center)
STOP program run
Next tool number (with central tool file)
Cycle call
Set label number

Addresses

%
%

Program beginning
Program call

#

Datum number with G53

G functions

A
B
C

Rotation about X axis
Rotation about Y axis
Rotation about Z axis

D

Q-parameter definitions

DL
DR

Length wear compensation with T
Radius wear compensation with T

E

Tolerance with M112 and M124

F
F
F
F

Feed rate
Dwell time with G04
Scaling factor with G72
Factor for feed-rate reduction F with M103

G

G functions

H
H
H

Polar coordinate angle
Rotation angle with G73
Tolerance angle with M112

I

X coordinate of the circle center/pole

J

Y coordinate of the circle center/pole

K

Z coordinate of the circle center/pole

L
L
L

Set a label number with G98
Jump to a label number
Tool length with G99

M

M functions

N

Block number

P
P

Cycle parameters in machining cycles
Value or Q parameter in Q-parameter definition

Q

Q parameter

R
R
R
R

Polar coordinate radius
Circular radius with G02/G03/G05
Rounding radius with G25/G26/G27
Tool radius with G99

S
S

Spindle speed
Oriented spindle stop with G36

T
T
T

Tool definition with G99
Tool call
Next tool with G51

U
V
W

Axis parallel to X axis
Axis parallel to Y axis
Axis parallel to Z axis

X
Y
Z

X axis
Y axis
Z axis

*

End of block

Addresses

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