Inverter Welding Machines Problems and Solutions
Welding is an incredibly useful and versatile activity, and more so with the use of inverter welding machines. Inverter welding machines allow precise and precise welding processes to create high-quality welds. They are usually light and portable enough for a variety of welders to bring them around with them in the shop, on the job site, or to the customers facility. However, like all machines, there are some common problems and solutions with the use of inverter welding machines. This article will examine some of the most common problems encountered with inverters and their solutions.
One of the common problems found with inverter welders is fluctuation in arc stability. This occurs when an arc was expected to remain steady, but instead it moves or flays around, producing an unnecessarily high level of spatter and porosity. This is usually because of a lack of grounding stability, or because the current is not constant. The solution to this is to ensure the ground connection is clear and solid, the voltage and amperage settings are consistent, and that the unit is not overloaded.
Poor penetration is another issue often encountered with inverters. This is a more serious issue than the instability of the arc, as it can create dangerous welds that are weak and susceptible to breaks. This can be caused by a number of factors, such as a low voltage setting, an over-extension of the electrode, incorrect joint preparation, or incorrect electrode selection. The solution to this is to ensure that the voltage setting is correct, the correct electrode type is chosen for the material and joint, that the joint is properly prepared, and that the electrode is not extended too far.
High frequency interference is another problem found with inverter welding machines. This is caused by spurious signals that the machine is sending out, which will interfere with other machines that are in the vicinity. The solution to this is to use proper shielding techniques to minimize the interference, or move the machines further apart. It is also important to check that all wiring is free of short circuits and that the machines are not being overloaded.
Inverter welders are also notorious for poor arc starts. This can be caused by a number of issues, including using a too-heavy gauge electrode, dirty or wet deposits on the electrode, or improper voltage settings. The solutions to this are to use an appropriately sized electrode, clean off any residues on the electrode, and ensure that the voltage settings are correct. It is also important to ensure the machine is not being overloaded.
Finally, a common problem with inverter welders is dry or splatters of welds. This can be caused by excessive current, poor electrode selection, incorrect or insufficient arc length, and incorrect travel speed. The solutions to this are to reduce the current, choose the appropriate electrode, keep the arc length short, and adjust the travel speed.
Overall, inverter welders can be incredibly useful pieces of equipment, but they are not without their issues. By being aware of the common problems and solutions with the use of inverters and implementing the solutions, welders can enjoy high-quality welds with no worries and high efficiency.
