5 Measuring Cycles for Milling Machines and Machining Centres 08.96
5.3.8 L979 ZO determination at web (at random angles)
5.3.8 L979 ZO determination at web (at random angles)
The following parameters must be defined prior to call:
Parameters Description
R10 = 0
= 1...4
= 5
No automatic ZO entry
Automatic ZO entry in ZO G54...G57
Automatic ZO entry in ZO G58
R13 = 0...359.5
R13 = 0/-360
Compensation angle position for monodirectional probe (see Section 2.5)
Positioning direction of spindle with multidirectional probe and
MDC 7004.0=1
R19 Incremental infeed of hole axis with sign
(travel over web)
R20 Centre point abscissa (in relation to workpiece zero point)
R21 Centre point ordinate (in relation to workpiece zero point)
R22 Probe type/probe number
R23 = 32 ZO determination at web
R24 = 0...359.5 Start angle (from the abscissa (horizontal axis))
R25
R25 = 0
Variable measuring speed in mm/min
Standard cycle value
R27 = 1...R
max
Number of measurements at same location (typically 1..3)
R28 = 1...R
max
Multiplication factor for measurement path ”2a”
R32 Set value web width
R36 Safe area (centre point coordinates)
See Section 10.2 for result display parameters.
Example: ZO determination at web with measuring cycle L979 (Data as in Fig. 5.25)
%MPF 97978
N5 G54 T200 T number probe; select ZO
N10 G00 X290 Y130 Position probe in X and
Y axes near P1
N15 D99 Position Z axis level with P1
N20 R10=1 R19=-35 R20=220 Define parameters for measuring cycle
R21=130 R22=1 R23=32 R24=10
R25=0 R27=1 R28=1 R32=130
R36=1
N25 L979 Cycle call for ZO determinationin X/Y
N30 G00 Z160 Withdraw Z axis
:
Machining centre program
:
:
N... M30
5–64 © Siemens AG 1990 All Rights Reserved 6FC5197- AB70
SINUMERIK 840/850/880 (BN)
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