1. Inverter welding machine

Merit:

1. High efficiency and energy saving: The inverter welding machine adopts high-frequency inverter technology, which has high energy conversion efficiency and significant power-saving effect, and is usually more than 30% more energy-saving than the traditional welding machine.

2. Stable welding quality: the output of the inverter welding machine is DC, there is no current zero-crossing phenomenon, the welding thermal efficiency is high, and the welding quality is more stable.

3. High control accuracy: Closed-loop control is realized through the microcontroller, which can accurately adjust the welding current and voltage to meet different welding needs.

4. Small size and light weight: The transformer of the inverter welding machine is small in size and light in weight, which is easy to carry and install.

5. Versatility: It can be used for multiple purposes, complete a variety of welding and cutting processes, and is suitable for automatic production lines.

Shortcoming:

1. Higher cost: Compared with the power frequency welding machine, the manufacturing cost and selling price of the inverter welding machine may be slightly higher.

2. High requirements for power supply: stable power input is required to ensure the smooth progress of the inverter process.

Second, the power frequency welding machine

Merit:

1. Mature technology: The power frequency welding machine has mature technology and wide application, which is suitable for various conventional welding tasks.

2. Relatively low price: Compared with inverter welding machines, the manufacturing cost and selling price of power frequency welding machines are usually lower.

3. Simple operation: The power frequency welding machine is simple to operate and easy to use, suitable for beginners and general operators.

Shortcoming:

1. High energy consumption: The power frequency welding machine consumes more energy when working, which is not conducive to energy conservation and emission reduction.

2. Welding quality fluctuation: Due to the use of AC power supply, there is a phenomenon of current crossing zero in the welding process, which may lead to fluctuations in welding quality.

3. Large volume and weight: The transformer of the power frequency welding machine is relatively large in volume and weight, which is not conducive to carrying and installation.

3. Comprehensive comparison

1. In terms of welding efficiency and energy saving: the inverter welding machine has obvious advantages and is suitable for occasions that require efficient and energy-saving welding.

2. In terms of welding quality and stability: the inverter welding machine also performs well, especially suitable for occasions with high requirements for welding quality.

3. In terms of cost and convenience of use: power frequency welding machines may be more advantageous, especially suitable for occasions with limited budget or frequent movement.

Therefore, it is impossible to generalize which is better, the inverter welder or the power frequency welder. When choosing, it should be comprehensively considered according to the specific application scenario, welding needs, budget constraints and other factors. If you need efficient, energy-saving, high-quality welding results, and do not require high cost and portability, then an inverter welding machine may be a better choice. Conversely, if you have a limited budget or need to move the welder frequently, and the welding quality requirements are not high, then the power frequency welder may be more suitable.