Guangzhou EACO Welding Equipments Manufacture Blog

You must know that the argon arc welding machine is a kind of high-tech welding application equipment, which performs this series of spot welding steps in the form of high pressure. When I was studying physics in junior high school, I was exposed to the knowledge of electricity. Among them, the magnitude of current is also the most concerned point of electricity, because the magnitude of current will affect the normal operation and operation of various devices. Any kind of equipment has a certain voltage range and current range, and the size of the power is also determined according to the range of the two values. Therefore, the current size of the argon arc welding machine will affect the welding effect to a certain extent. DC Welding Machine The current and voltage of the AC arc change their direction every half cycle, and the arc discharge conditions change periodically, so it has an important impact on the stability of the arc and the work of the welding power source. The case is p...

The difference between AC argon arc welding machine and DC argon arc welding machine: 1. DC argon arc welding, that is, using argon as the shielding gas under the direct current positive connection method, with the help of the arc between the electrode and the weldment under certain requirements (welding current), heating and melting the base material, and adding the welding wire when the welding wire It also melts into the molten pool and cools the weld formed. 2. Pulse argon arc welding, in addition to the specifications of DC argon arc welding, it can also independently adjust the peak current, base current, pulse width, pulse period or frequency and other specifications. It has advantages compared with DC argon arc welding.  DC TIG Welding Machines As follows: (1) Increase the aspect ratio of the weld, and increase the penetration width to 2:1 when welding stainless steel (2) To prevent burn-through, in thin plate welding or thick plate bottom welding, the peak current passing...

Principle: Electric welding equipment uses electric energy to melt the solder and the material to be welded on the welding rod by heating and pressing, that is, the high temperature arc generated when the positive and negative poles are short-circuited instantaneously. With the help of the combination and diffusion of metal atoms, two or two A devices where the weldments above the pieces are firmly connected together. It is specifically composed of a welding rod, an electric welding machine, an electric welding clamp, a grounding clamp and a connecting wire. According to the type of output power, it can be divided into two types, one is AC welding machine and the other is DC welding machine. AC Welding Machine The structure of the electric welding machine is very simple, it is a high-power transformer. They use the principle of inductance, the inductance will produce huge voltage changes when it is switched on and off, and the high voltage arc generated when the positive and negative ...

DC TIG Welding Machines TIG (tungsten inert gas) welding is used to make precise, critical welds when joining metals such as mild steel, aluminum, or stainless steel.  TIG welding  is a two handed process (one hand holds the torch while the other feeds filler metal) and commonly involves a foot pedal or fingertip remote to control the arc amperage while welding. Like MIG welding, a shielding gas (typically argon) is required. TIG Welding Machines   Specification Parameters TIG 305 Rated Input Voltage(V) AC220V AC380V Power Frequency(Hz) 50/60Hz Phase  1 3 Rated Input Current(A) 25(TIG), 36(MMA) 16(TIG), 21(MMA) Rated Input Power(KVA) 5.5(TIG), 7.9(MMA) 10.5(TIG), 13.8(MMA) Rated No-load Voltage(V) 69 69 Welding Current(A) 15-180 15-300 Rated Duty Cyvle%(40℃) 100% 60% Protection Class IP21S Dimensions(mm) 530X250X430 Weight(Kg) 16.8

The arc starting of argon arc welding adopts the arc starting method of high voltage breakdown. First, high frequency and high voltage is applied between the electrode needle (tungsten needle) and the workpiece to break down the argon gas to make it conductive, and then supply a continuous current to ensure the arc stability. 160V TIG Welding Machines The working principle of the argon arc welding machine in the main circuit, auxiliary power supply, drive circuit, protection circuit, etc. is the same as that of the manual arc welding machine. No more description here, but focus on the unique control function and arc starting circuit function of the argon arc welding machine. Hand switch control The argon arc welding machine requires the argon gas to come first, and the current to go first (relatively speaking), this is achieved by hand switch control. When the main switch of the welding machine is closed, the auxiliary power supply works and provides 24V direct current to the control c...

1. The welding current is different The current in the DC argon arc welding process is always the same. In the pulse argon arc welding process, the welding current has a base value and a peak value alternately. DC Welding Machine 2. The heating and cooling speeds are different In pulse argon arc welding, each welding spot is heated and cooled quickly, the molten pool metal condenses quickly during the welding process, and the high temperature residence time is short, which can reduce the tendency of heat-sensitive materials to crack during welding. However, the heating and cooling of DC argon arc welding are slow. 3. The scope of the heat affected zone is different Compared with DC argon arc welding, pulsed arc can use lower heat input to obtain larger penetration depth, so under the same conditions, it can reduce the heat-affected zone. When welding heat-sensitive materials, reducing the pulse current passing time and the base current value can reduce the range of the heat-affected zo...

The DC argon arc welding machine adopts high-frequency pressurized arc ignition and pulse thermal arc ignition design. It has excellent arc starting performance, wide operating voltage range, strong grid adaptability, and high load duration. It is more suitable for continuous working welding equipment in the factory. AC and DC TIG Welding Machine Features of DC argon arc welding machine: Using advanced inverter technology, high working frequency, small size, light weight and easy to carry. It adopts high-frequency pressurized arc ignition and pulse thermal arc ignition technology, excellent arc starting performance, sufficient welding current, and excellent performance-to-price ratio. The unique output characteristic design is more suitable for filler wire welding, and the weld seam is beautiful. Wide working range, strong network adaptability, high load continuity rate, more suitable for continuous operation of the factory. Suitable for welding stainless steel, carbon steel, copper an...