Siemens SINUMERIK 828D Programming Manual page 319

Approach and retraction velocities
● Velocity of the previous block (G0):
● Programming with FAD:
● Programmed feedrate F:
Example:
Program code
$TC_DP1[1,1]=120
$TC_DP6[1,1]=7
N10 G90 G0 X0 Y0 Z20 D1 T1
N20 G41 G341 G247 DISCL=AC(5) DISR=13
FAD 500 X40 Y-10 Z=0 F200
N30 X50
N40 X60
...
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
All motions from P up to P
0
machining plane and the part of the infeed motion up to the safety clearance.
Specification of the feedrate for
– G341: infeed movement perpendicular to the machining plane from P
– G340: from point P
2
If FAD is not programmed, this part of the contour is also traversed at the modally
active speed of the previous block, if no F word is programmed in the SAR block.
This feedrate value is effective as of P
programmed in the SAR block, the speed of the previous block is active.
are executed at this velocity, i.e. the motion parallel to the
2
or P to P
3 4
or P if FAD is not programmed. If no F word is
3 2
Tool radius compensation
10.4 Smooth approach and retraction
Comment
; Milling tool T1/D1
; Tool with 7 mm radius
to P
2 3
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