There are several potential causes for a weak arc on a TIG welder. First, check the power source and make sure it is delivering the correct voltage and amperage. Next, check the tungsten electrode and make sure it is sharp and properly inserted into the torch. Finally, check the gas flow and make sure it is set to the correct flow rate for your specific welder.
Inconsistent welds can be caused by a number of issues. First, check the condition of the welding torch and make sure it is clean and free of debris. Next, check the ground connection and make sure it is secure and not corroded. Finally, check the welding parameters and make sure they are set correctly for the type of metal and thickness being welded.
If your TIG welder is overheating, the first thing to do is to stop welding and allow the machine to cool down. Check the cooling system and make sure it is functioning properly. Also, make sure the machine is not being operated in a hot or humid environment. If the problem persists, it may be necessary to have the machine serviced by a professional.
If you suspect a gas leak in your TIG welder, the first step is to check all the connections and make sure they are tight. Next, check the gas hose for any cracks or damage and replace if necessary. If the leak persists, it may be caused by a faulty gas valve or regulator, which should be replaced by a professional.
Technically, a 350A TIG welder can be used for other welding processes, such as stick welding or MIG welding. However, it is important to note that the machine may not be optimized for these processes and may not produce the best results. It is always best to use a TIG welder for TIG welding and a separate machine for other processes.