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Why should traditional copper wire butt welding machines be upgraded to thyristor control?
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Why should traditional copper wire butt welding machines be upgraded to thyristor control?
Release time:2022.05.11
Summary of information:
Traditional copper wire butt welding machines generally use contactors to control the size of the current. The upper contacts of the contactor connect and break the copper strips below, and they often need to be pressed to connect. We often hear the sound of "bah-bah-bah-bah", the leaves are noisy, and the service life is limited, usually about 5,000 times.
traditionalCopper wire butt welding machineGenerally, a contactor is used to control the size of the current. The upper contact of the contactor connects and breaks the copper strip below, and it often needs to be pressed to connect. We often hear the sound of "bah-bah-bah-bah", which is noisy and has a limited lifespan, usually about 5,000 times.
The thyristor, also called a thyristor, is a controllable high-power semiconductor device that can control high power with small power, and the power amplification factor is up to hundreds of thousands of times; it responds very quickly, turning on and off within microseconds; it can operate without contacts, without sparks and noise; it has the advantages of small size, high efficiency, low cost and so on.
Its functions are: 1) Controlled rectification 2) Voltage and current stabilization 3) Touchless switch
The traditional butt welding machine is upgraded to use a thyristor as the main switch, which can make the welding machine have a longer service life, easier maintenance, and make current adjustment more convenient and faster.
Wuxi Xinxing Welding Equipment Factory has focused on resistance welding machines for 29 years and has core technology. Its products include: manual butt welding machine, pneumatic-flash butt welding machine, multi-strand wire welding machine, foot spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine-welding production line, resistance automatic welding machine, energy storage welding machine, copper rod aluminum rod steel rod welding machine, automobile parts spot Welding machine, sheet metal box shell spot welding machine, home appliance hardware spot welding machine, electronic appliance spot welding machine, copper bar copper pipe welding machine, nut spot welding machine, stainless steel welding machine, foil belt spot welding machine, aluminum spot welding machine, multi-head spot welding machine, bag cage spot welding machine, mesh row welding machine, ton barrel frame welding production line, resistance automatic welding machine, brazing machine, diffusion welding machine, projection welding machine, seam welding machine,Wire and cable optical cable supporting equipmentThere are more than 300 types. If you are interested in our welding equipment, please contact us.
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Some workpieces need to be quenched after flash butt welding. What is quenching?
Summary of information:
The main workpieces that need to be quenched after flash butt welding are steel, aluminum alloys and copper alloys. The main function of quenching is to increase the rigidity, hardness, wear resistance, corrosion resistance, fatigue strength and toughness of the metal. Quenching is to heat the metal above the critical temperature, keep it warm for a certain period of time, and then immerse it in water,
The main workpieces that need to be quenched after flash butt welding are steel, aluminum alloys and copper alloys. The main function of quenching is to increase the rigidity, hardness, wear resistance, corrosion resistance, fatigue strength and toughness of the metal.
Quenching is a heat treatment process that heats metal to above the critical temperature, keeps it warm for a certain period of time, and then rapidly cools it in quenching media such as water, oil, other inorganic salts, and organic aqueous solutions to obtain an unbalanced structure.
There are many quenching methods, and there are four common ones, namely double-medium quenching, graded quenching, isothermal quenching, and single-medium quenching.
1. Dual-medium quenching: The workpiece heated to the quenching temperature is first cooled to about 300°C in a quenching medium with strong cooling capacity, such as water, and then transferred to a quenching medium with weak cooling capacity, such as oil, to cool to room temperature, so as to achieve different quenching cooling temperature ranges and have a more ideal quenching cooling rate. Used for parts with complex shapes or high carbon steel, alloy steel, etc.
2. Graded quenching: A quenching process in which the workpiece heated to the quenching temperature is quenched in a low-temperature salt bath or alkali bath for an appropriate time. After the inner and outer layers of the workpiece have reached the medium temperature, the workpiece is taken out for air cooling. It can greatly reduce quenching stress and prevent deformation and cracking.
3. Single-medium quenching: Quench the workpiece that has been heated to the quenching temperature into a quenching medium (water, oil, air) to completely cool it. This is the simplest quenching method and is often used for carbon steel and alloy steel workpieces with simple shapes.
Wuxi Xinxing Welding Equipment Factory has been engaged in resistance welding for 29 years. Its core technology products include: semi-automatic butt welding machine, pneumatic-flash butt welding machine, multi-strand wire welding machine, foot pedal spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine mesh welding machine, resistance automatic welding machine, energy storage welding machine, copper rod and aluminum rod disc round welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, small appliances There are more than 300 kinds of spot welding machines, copper bar copper tube welding machines, nut spot welding machines, stainless steel welding machines, foil strip spot welding machines, aluminum spot welding machines, multi-head spot welding machines, bag cage spot welding machines, mesh row welding machines, ton rack welding production lines, automatic resistance welding machines, brazing machines, diffusion welding machines, projection welding machines, seam welding machines, wire and cable optical cable supporting equipment, etc. If you are interested in our welding equipment, please contact us.
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