Manual Kemppi A7 MIG Welder 350 (page 9 of 66) (English)

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A7 MIG Welder© Kemppi Oy 2018 1804

INTEGRATION GUIDE

3.6 Welding torch

3.6.1 Mounting

Fasten the welding torch securely to the robot arm, using

a robot mount (T1, T2, or T3). See the detailed mounting

instructions in the delivery packages for the welding torch

and robot mount.

For the welding torch, the wire feeder is equipped with a

Euro MIG torch connector. Push the torch connector into

the Euro connector on the wire feeder, and tighten the

collar.

If you are using a water-cooled torch, connect the red-

and-blue marked cooling hoses to the corresponding

hoses coming from the cooling unit in the interconnection

cable set. For details, see Subsection 3.8.5, “Cooling hoses”.

3.6.2 Push-pull torches

If using a push-pull torch, you need to connect the torch

motor and any tachometer to the 10-pin peripheral

connector. For the connector pinout see Section 3.5,

“Wire feeder”. The motor is connected to pins A and B (see

Figure 3.4, “Push-pull motor connection”). The tachometer

is connected to pins G, I, and J (see Figure 3.5, “Push-pull

motor with tachometer”).

In order to operate properly, the push-pull torch must

be congured for use. The conguration is described in

Subsection 5.1.4, “General robot settings”.

Figure 3.4: Push-pull motor connection

Figure 3.5: Push-pull motor with tachometer

3.6.3 Wire inch button

If the welding torch is equipped with a wire inch button,

connect it to pins D and H of the peripheral connector (see

Figure 3.6, “Wire inch button connection”).

Figure 3.6: Wire inch button connection

3.6.4 Torch-cleaning with compressed air

The wire feeder is equipped with a compressed-air valve

for torch-cleaning. The wire feeder has appropriate fast

connectors for 6 mm nylon hose at the rear (inlet) and

front (outlet).

If you are using a torch with air-cleaning capability,

connect the compressed-air hose of the torch to the front

connector, and connect a hose from an air compressor to

the rear connector.

Do not modify the wire feeder. Use adapters if needed.

In automated operation, the torch-cleaning function is

controlled by a robot by using the digital robot interface.

To test the function manually:

• Press the air blow button on the wire feeder, or

• Use the air blow test function in either the setup

panel or the web user interface, or

• Control the air blow by means of the robot teach

pendant

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Kemppi A7 MIG Welder 350 Manual

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