Inverter and Transformer Welder are two of the most common welding machines used in the industry and they both perform a similar function. Both these machines weld metals by applying a constant voltage to the workpiece. Inverter welders are specifically made for repetitive welds while transformer welders can weld heterogeneous metals like aluminum and copper.
The main difference between an Inverter vs Transformer Welder is that Inverter welding machines do not have a flux core wire. Flux core wires are used to reduce the oxidation of the metal and it is used in welding alloys such as stainless steel. The flux in a transformer welder helps to eliminate the oxide formation and helps the weld to be more consistent and stronger.
Inverter welders are very popular for small scale plants such as fabrications, where they are used to weld the parts of the assembly together. Inverter welders are also used for welding pipes, metal sheets and for shipbuilding. The inverter welder is a versatile machine that can be used to do a range of applications from simple to complex ones.
How does an Inverter Welder work?
Inverter welders work on the principle of variable voltage and current. The frequency of inverter machines is highly synchronized with the output frequency of the machine. The inverter welder is controlled by the computer and the electronic board, which is connected to the electromagnet.
The inverter welder has a variable frequency drive and when the electronic board senses that the input frequency is correct for a particular welding job, it will adjust the frequency accordingly. The inverter welder has a built in timer which keeps track of time during a weld. When it reaches zero; it will stop the power supply to machine and then restart after the timer reaches zero again. The inverter welder has a varying amperage setting which is used to change the voltage and current of the machine.
The inverter welder also has an automatic range selector that makes it possible to select a range of welding parameters like voltage, current, arc gap, welding speed and weld profile. The inverter welder will also have some shielding as well as an electrode holder for the workpiece which allows it to be placed on a variety of workpieces such as steel sheeting, wire mesh and pipe. The inverter welder also has a spool of welding wire on it which is used to transfer the current from the power supply to the workpiece.
How does a Transformer Welder work?
A transformer welder also works on the frequency principle but it is not a variable frequency drive. The transformer welder has a built in power source and power supply which is used to power up the machine. The transformer welder has a built in flux core wire which helps to maintain the circuit and product integrity during welding. The power supply in transformer welder also has an auxiliary wire that is used to connect the transformer welder to a power source but it does not have a workpiece.
The transformer welder also has a constant frequency drive which is used to prevent the machine from overheating or reducing its life span. The transformer welder also has an electronic board which is connected to the electromagnet and it controls the voltage and current of the machine. The transformer welder also has an electrode holder which is used to hold the workpiece in place. The transformer welder also has a power supply that is used to power up the unit and it also has a built in timer which keeps track of time during a weld.
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Shop High-Quality Welding EquipmentAdvantages of an Inverter vs Transformer Welder
There are many advantages of inverter welding machines over transformer welders. The main advantage of inverter welding machines is that they are able to weld a wide range of metals including stainless steel, aluminum and copper. However, the transformer welder is used for welding any type of metal that they are able to weld such as stainless steel, aluminum, copper, brass and even titanium.
Inverter welding machines are also much simpler and easier to use than transformer welders. The transformer welder requires a lot of manual handling while inverter welding machines do not require any additional human input. Inverter welder also have a wider range of voltage and amperage settings than the transformer welder.
The transformer welder is also more expensive than an inverter welding machine as it has more sophisticated features and it is more complex to operate as compared to the inverter welding machines. However, they are used for different applications and are therefore more suitable for different types of welding jobs.
Disadvantages of an Inverter vs Transformer Welder
Inverter welder has a much lower tolerance for input voltage and amperage settings than the transformer welder. The inverter welder can easily be damaged when there is a large fluctuation in the input voltage or input amperage setting. As compared to the transformer welder, inverter welding machines also have more complications in its design as compared to the transformer welder.
The transformer welder has a much better range of voltage settings for welding and it can be used for a wider variety of applications. However, the inverter welder is more versatile than the transformer welder as it can be used for a lot of different welding applications. The inverter welder is also not as efficient as the transformer welder as it requires the use of flux wire to make an arc and maintain the circuit. The transformer welder is also much simpler to operate as compared to the inverter welder.
Conclusion
Inverter and transformer welders are both machines that weld metals by applying high voltage and current to the workpiece. Inverter welding machines can weld a variety of metals and they are widely used in industries such as fabrications, shipbuilding, welding pipes, metal sheets and for welding stainless steel. However, the transformer welder is used for other types of welding jobs such as welding brass and titanium.
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