LORCH MicorTIG 200 Manual De Instrucciones página 41

Weld method
Switch on the system
 Press the On/Off button 28 for 2 sec. to switch
on the system.
 Press button 37 to select the TIG 2-stroke or
4-stroke operating mode.
9 The TIG 2-stroke or 4-stroke symbol light up in
display 22.
 Use control knob 19 to set the desired welding
current.
VIII
Arc ignition
 Open the valve 56 on the TIG welding torch.
 Briefly touch the workpiece with the tip of
Â
the electrode at the point to be welded.
 Lift the electrode a little.
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9 The arc burns between the workpiece and the
electrode.
Pulses
 Call up the function and process menu (see "16
Function and process menu" on Page 40).
 Activate the "Pulsing" process.
 You can now directly call the secondary param-
eters (see "17 Secondary parameters" on Page
41) or end the function and process menu by
pressing Button 37.
Secondary parameters:
 Select the "Secondary energy" secondary pa-
rameter.
 Set the desired secondary current value by us-
ing control knob 19. The setting value is based
on the main current I
 Select the "Pulse frequency" secondary param-
eter.
 Set the desired pulse frequency by using con-
trol knob 19.
 Select the "Pulse duty cycle" secondary param-
eter.
 Set the desired pulse duty cycle by using con-
trol knob 19. The setting value is based on the
main current I in %.
1
Example: 60% corresponds to a mix of 60%
main current I and 40% secondary energy I
1
04.19
in %.
1
909.4169.9-03
 Leave the secondary parameter menu.
‰ The calculated average current value is shown
on Display 39 during the welding process.
Slopes (start and end crater filling pro-
gramme)
When Slopes is activated, the start and
i
crater filling programme with the asso-
ciated parameters becomes available.
 Call up the function and process menu (see "16
Function and process menu" on Page 40).
 Activate the "Slopes" function.
‰ All parameters for the start and crater fill pro-
gramme are now available in the secondary
parameters.
 You can now directly call the secondary param-
eters (see "17 Secondary parameters " on Page
41) or end the function and process menu by
pressing Button 37.
2.
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