Arc Orbital Welding Machine Problems And Solutions
2024-12-05 15:40:50
Arc orbital welding machine is an indispensable equipment in the welding industry, and its performance directly affects the welding quality and efficiency. However, in actual use, arc orbital welding machine often has some problems, which affect the progress of work. This article will analyze arc orbital welding machine problems and solutions in detail to help users improve equipment efficiency and welding quality.
Arc orbital welding machine problems and solutions
1. Unstable welding arc
Performance: The arc jumps and intermittently during welding.
Cause: Improper welding current or voltage setting; rust, oil or oxide layer on the surface of the welding material; poor quality of welding rod or welding wire.
2. The welding pool is too deep or too shallow
Performance: The weld after welding is too wide, too narrow or cannot meet the design requirements.
Cause: Incorrect selection of welding parameters; excessive current or too fast welding speed; incorrect adjustment of the angle between the welding gun and the workpiece.
3. Too much welding spatter
Performance: A large amount of spatter is generated during welding, which pollutes the welding surface.
Cause: The proportion of shielding gas used is not appropriate; the welding current is too high or the voltage is unstable; the surface of the welding material is not clean.
4. Internal defects of welds Manifestations: defects such as pores, cracks or slag inclusions in welds. Causes: Welding environment is humid, resulting in reduced shielding gas effect; welding process is not standardized; storage conditions of welding materials are not good.
Solutions
1. Optimize arc stability Ensure that welding current and voltage are set within the appropriate range, and adjust parameters according to welding materials and thickness; clean rust, oil and oxide layer on the surface of welding materials to ensure that the welding area is clean and tidy; select high-quality welding rods or wires, and check their storage status regularly to avoid moisture.
2. Adjust welding parameters Select appropriate welding current, speed and welding gun angle according to the material, thickness and design requirements of the weldment; use standardized welding process, and conduct welding simulation experiments when necessary to verify the rationality of parameters.
3. Reduce welding spatter Adjust the type and proportion of shielding gas, such as the mixing ratio of carbon dioxide and argon; try to reduce welding current and ensure voltage stability while ensuring welding quality; thoroughly clean the surface of welding materials to reduce the possibility of spatter adhesion.
4. Avoid internal defects in welds Ensure that the welding environment is dry, use moisture-proof equipment or control the flow and purity of the protective gas; strictly implement welding process regulations, strengthen the training of welding operators; strictly store and manage welding materials to avoid dampness or oxidation of welding rods or welding wires.
Daily maintenance and preventive measures
Regularly check the electrical connection part of the arc orbital welding machine to ensure that the cables and welding guns are not aging or in poor contact; keep the equipment clean, especially the cooling system and vents, to prevent dust accumulation from affecting heat dissipation; perform basic tests on the equipment functions before each welding to promptly discover and eliminate hidden dangers; establish a complete equipment maintenance file to record and analyze the equipment usage status.
The normal operation of the arc orbital welding machine is closely related to the welding quality. Through the analysis of common problems and reasonable solutions, users can effectively improve welding efficiency and reduce production losses. In daily use, attention should be paid to equipment maintenance and operating specifications to ensure that the equipment is always in the best condition.
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