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13
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AX manipulator
Push in the torch tip with your hand to check if the following message appears in “[2] Error monitor
screen”. (See Fig. 7.3)
Error type: Emergency stop error
Error code: A4920
For details of the error monitor screen, refer to Chapter 8 in the Instruction Manual for Manipulator
“BASIC OPERATION (1L8800C-E-*)”.
If the message does not appear, the shock sensor may be broken. Check the shock sensor
again.
Fig. 7.3 TP screen (AX manipulator)
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Functions of the Main Parts
8.1 Tungsten Electrode
Ceriated tungsten (2% cerium contained) is incorporated for standard specifications.
See Parts List in Chapter 13 for other tungsten electrodes.
8.1.1 Selection of Electrode
Ceriated tungsten (2% cerium contained, gray mark), thoriated tungsten (2% thorium contained, red mark)
and pure tungsten (white mark) are commonly used as tungsten electrode.
Table 8.1 Selection of Electrode
Welding method
(Power source)
Materials of electrode
Materials of workpiece
DC TIG welding
Ceriated tungsten (2% cerium contained)
Thoriated tungsten (2% thorium contained)
Stainless steel, mild steel,
brass, high carbon steel,
cast iron, copper, titanium, silver
AC TIG welding
Ceriated tungsten (2% cerium contained)
Pure tungsten
Thoriated tungsten (2% thorium contained)
Aluminum, aluminum casting,
magnesium, magnesium casting
Note: The table above lists only typical electrode and workpiece materials.
The message shown in Fig.7.2 or Fig.7.3 appears either when the shock sensor is not connected.
If the message appears even when not operating the torch tip, check the connection of shock
sensor cable.
IMPORTANT
