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Control principles of the four control modes of iron ring copper ring pneumatic butt welding machine

Wuxi Xinxing Welding Equipment Factory mainly produces: spot welding machines, butt welding machines, flash butt welding machines, medium frequency spot welding machines, energy storage spot welding machines, nut spot welding machines, polymer diffusion welding machines and other resistance welding equipment!QQ online consultationSitemapContact us
Wuxi Xinxing Welding Equipment Factory

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Control principles of the four control modes of iron ring copper ring pneumatic butt welding machineWuxi Xinxing Welding Equipment FactoryNational service hotline:400-001-050213395100070
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Control principles of the four control modes of iron ring copper ring pneumatic butt welding machine
Release time:2022.03.12
Summary of information:
In order to quickly find tailor-made welding parameter values for the iron ring and copper ring pneumatic butt welding machine, Xinxing Welding uses 4 control methods on the controller for customers to choose, so that it can be more accurate when butting iron rings, stainless steel rings, copper rings, aluminum rings, etc., and the quality of the joints is up to standard, and each one is like one coming out of the mold.
Iron ring copper ringPneumatic butt welding machineIn order to quickly find tailor-made welding parameter values, Xinxing Welding uses 4 control methods on the controller for customers to choose, so that it can be more accurate when connecting iron rings, stainless steel rings, copper rings, aluminum rings, etc., and the quality of the joints is up to standard, and each one is just like coming out of the mold. So what is its basic principle?


Pneumatic butt welding machine diagram


 

They are primary constant current, secondary constant current, constant voltage and constant heat control methods. The principles are as follows:


1. Primary constant current
The current transformer is installed in the primary main circuit of the welding transformer. The controller detects the primary current value of the transformer through the current transformer and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor to keep the primary current of the transformer constant, thereby achieving the purpose of constant welding current.
2. Secondary constant current
The induction coil used for sampling is installed in the secondary circuit of the welding transformer. The controller detects the secondary current value of the transformer through the induction coil and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor. By adjusting the primary current of the transformer, the secondary welding current of the transformer is kept constant.
3. Constant pressure
Internal sampling directly measures the primary voltage of the welding transformer. When the controller is working, it detects the primary voltage value of the transformer and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor to keep the primary voltage of the transformer constant. Metallographic inspection to see whether it is completely fused and has a thick strip structure, etc.
4. Constant heat
During constant heat control, the current setting value is a thousandth of the total power of the welding transformer. The controller calculates the required conduction angle based on the set value and sends a trigger signal. When the grid voltage fluctuates, the controller automatically adjusts the conduction angle of the thyristor to fine-tune the current output power to keep the current output power constant. Bending test to see the bending resistance of the joint


Wuxi Xinxing Welding Equipment Factory was established in 1993 and has been focusing on resistance welding machines for nearly 30 years. Its products include: butt welding machine, pneumatic butt welding machine, flash butt welding machine, hydraulic butt welding machine, copper and aluminum pipe butt welding machine, automatic butt welding machine, spot welding machine, pneumatic spot welding machine, intermediate frequency spot welding machine, energy storage spot welding machine, precision spot welding machine, automatic spot welding machine, projection welding machine, variable frequency projection welding machine, intermediate frequency projection welding machine,Array welding machine, there are more than 300 types of fully automatic welding production lines, seam welding machines, medium frequency seam welding machines, resistance brazing machines and supporting printers, spark testing machines, high voltage testing machines, wire pay-off machines, etc., with more than 5,000 long-term cooperative customers, and the quality is comparable to major imported brands. Welcome to learn more and buy!

            

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Contact Xinxing

  • After-sales phone number:400-001-0502
  • Pre-sales phone number:199-5222-1801
  • Email:cnhjsb@163.com
  • Address:Next to Huaming Bridge, 161 kilometers away from National Highway 312, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province

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Advantages of small and medium frequency spot welding machines
Summary of information:
Small intermediate frequency spot welding machines have many names. Some people call them small precision intermediate frequency spot welding machines. Small split intermediate frequency spot welding machines can easily weld copper sheets, copper wires, metal wires, nickel sheets, silver-plated sheets, spring sheets, and steel sheets on electrical switches, relays, contactors, thermocouples, etc. It has many advantages.  ■


Medium frequency spot welding machine diagram


Small intermediate frequency spot welding machines have many names. Some people call them small precision intermediate frequency spot welding machines. Small split intermediate frequency spot welding machines can easily weld copper sheets, copper wires, metal wires, nickel sheets, silver-plated sheets, spring sheets, and steel sheets on electrical switches, relays, contactors, thermocouples, etc. It has many advantages.



■ 32-section standard storage: allows for more flexible selection and control during welding. Preheating current, welding current and tempering current can be set, effective
It effectively solves the problem of spatter generated during the welding process and the quenching of the workpiece after the welding.
■Low operating cost: low loss, high conversion efficiency, welding the same workpiece saves 30% energy than ordinary welding machines
■DC output: Reduces welding induction energy loss. The continuous heat supply generated by the flat output current causes the nugget temperature to continuously rise.
The same effect requires lower welding current and pressure.
■Full-featured and easy to operate: comes with a color touch screen that can store data, count points, overheat protection, fault alarm diagnosis, real-time monitoring, adjustment testing, etc.
■Precision control: The working frequency is high, usually 1000-4000Hz, and the control accuracy is 20-80 times that of ordinary welding machines.
■Output stability: closed-loop control, voltage and current measurement and control feedback analysis and adjustment, ms level.
■Suppression of splashing: precise control of the current rise slope and time, which will not cause heat jumps or inability to control the current rise time.
Causes splashing. Get stable and high-quality welding results.
■Beautiful solder joints: The welding heat-affected zone is small and the solder joints are beautifully formed.
■Precision manufacturing: using precision small machine heads and tungsten-inlaid electrode heads, specializing in welding small precision parts.
■Flexible and practical: The machine head is adjustable 360 degrees in all directions, and the angle, height, width, and storage table are all adjustable, making it very flexible.



Wuxi Xinxing Welding Equipment Factory has been focusing on resistance welding machines for 29 years and has core technologies. Its products include: copper rod and aluminum rod butt welding machines, steel bar butt welding machines, wire rope butt welding machines, copper and aluminum pipe butt welding machines, copper and aluminum row butt welding machines, flange butt welding machines, and multi-stranded copper wires. Aluminum wire butt welding machine, wheel shell flash butt welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, electronic appliance spot welding machine, nut spot welding machine, stainless steel spot welding machine, foil strip spot welding machine, aluminum spot welding machine, multi-head spot welding machine, bag cage spot welding machine Machine, mesh welding machine, ton rack welding production line, resistance automatic welding machine, brazing machine, diffusion welding machine, energy storage spot welding machine, projection welding machine, medium frequency welding machine, automatic mesh welding machine, AC seam welding machine, medium frequency seam welding machine, brazing machine diffusion welding machine, There are more than 300 types of spark testing machines, ribbon meter printers, high-speed ribbon meter printers, unwinding machines, high-voltage test complete sets, etc. If you are interested in our welding equipment, please contact us: 400-001-0502.

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