Nippon Gases 2719135, Руководство по эксплуатации и технике безопасности

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15
MICROTIG DC 162 / 202 PULSE
ES
PT
8. FUNCTIONS
8.1. MMA process welding (stick welding)
- Make the connections to the mains and earth as indicated in the "Installation" chapter. Connect
the earth cable and electrode holder to the + (positive) and - (negative) quick connectors
according to the polarity of the electrode used and in accordance with the manufacturer's
instructions.
- Switch on the equipment with the ON/OFF switch located on the rear panel of the machine.
- The machine connected and under voltage indicator lights up, indicating that the machine is
under voltage.
- Select MMA (stick welding) or MMA PULSED welding (both indicators are lit).
- Set the current value (Fig.1 - 2), according to the following table:
Electrode diameter
(mm)
Ø 2,0 Ø 2,5 Ø 3,2 Ø 4,0 Ø 5,0 Ø 6,0
Welding current range
(A)
50 - 70 60 - 100 80 - 150 130 - 200 150 - 260 200 - 360
- Hot Start (Fig.1 - 1) - To improve arc starting, adjust the hot start percentage in relation to the
main current and/or time (seconds).
- Arc Force (Fig.1 - 3) - To prevent the electrode from being pulled into the workpiece during
welding, adjust the arc force percentage in relation to the main current.
Pulsed MMA welding - the welding current oscillates between a high and low value, for less thermal
delivery on thinner sheets and more control of the arc in the most demanding positions (vertical up).
- Ib (Fig.1 - 4) - set the base current as a percentage of the main current.
- WIDTH (Fig.1 - 5) - adjust the width of the peak (main) current from 10% to 90%.
- PULSE FREQUENCY (Fig. 1 - 6) - set the pulse frequency in Hertz.
- Start welding.
Fig. 1 – Parámetros MMA