CELETTE DUO SPOT Oryginalny podręcznik - Strona 9

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3.3.2 SPOT WELDING:

DIAGRAM 2:

1. Washer contact to

work piece

This is special spot welding function. It does not heat affect the back of work piece.

The back of the work piece is good appearance.

Please refer to the picture as follow, and assessment the stud welding results.

If the stud welding results are not good. Please refer to Part 2-7, and adjust the charge voltage, torch

head pressure or torch head height, according as the standard.(Note: only adjust one part at a time.)

1. Voltage not enough

The following situation may cause the trouble, please remedy them before using the machine.

1. The earth cable and the metal are not good connection.

2. Torch cable or earth cable is winding.

3. The diameter of screw clamp and stud screw is not suitable. Or screw clamp is worn.

4. The base metal dirty, rusty, paint or other problem interfere with electricity conductibility.

5. The torch is not suitable for the base metal or stud screw (material or diameter).

6. The stud screw and the base metal are not good connection (Keep the stud screw connect the base

metal vertically).

7. The stud welding voltage is not correct.

8. The capacitor is damage, or capacitance is not enough.

9. Welding torch movement is abnormal. (The support foot is abnormal).

10. Stud screw extends too long or too short from the stud clamp.

11. Base metal distortion or move, when welding.

12. Method for connect the earth cable:

1. Cable must connect the base metal directly, and must connect more than two earth cables.

2. The earth cable must connect on the diagonal position of the base metal. (refer to the diagram as follow).

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2. Discrage-arc

2. Correct voltage

3. Finish welding

3. Too high voltage

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