3 Digitization and networking of welding power control interface
Ethernet and fieldbus are used in large numbers, and all the work and production processes of the factory are realized through network management. Inverter welding machine interface technology is also bound to develop digitally and network. Since the new welding power source uses a large number of digital chips such as single chip microcomputer and DSP, the communication interface between the new welding power source and the welding robot, field bus, Ethernet, wire feeder, water cooling device and welding torch can be realized very conveniently.
Communicating with the outside world via a network interface is a very important technical advantage of the new welding power supply. Although this has not yet attracted enough attention, it offers a variety of extended functions that fundamentally distinguish the new welding power source from the traditional welding machine. The purpose of network is informationization, and the fundamental value of informationization lies in the transmission and update of information. Therefore, the transmission and update of information through communication with the outside world through the network interface will be the main technological advancement point of inverter welding machine in the future.
Welding power supply new products and applications
Miller Electric Manufacturing Co., Ltd., a subsidiary of ITW Welding Group, the world's largest manufacturer of welding products, specializes in the development and production of welding power supplies. Miller welding machine product line includes: TIG welder, MIG welder, submerged arc welder, multi-function welder, generator drive welder, hand arc welder, plasma cutter, wire feeder, spot welder, automatic Welding systems, induction heating systems, welding guns and accessories.
Miller's AXCESS series MIG inverter welding power supply is a new inverter welding power supply designed for semi-automatic welding and robot welding systems. It combines Miller's many patented welding hardware and software technologies. Such as Auto-LineTM, Wind Tunnel TechnologyTM, Fan-On-DemandTM, Multi-MIG?, Accu-Pulse?, SureStartTM, RMDTM, etc. It basically meets the requirements of modern production for MIG welding power supplies.
The inverter welding power supply has a wide input voltage range and is allowed to be connected to the AC190V to AC630V power supply. When the network voltage fluctuates, stable output can be guaranteed. At the same time, it has the characteristics of flexible output performance, suitable for a variety of MIG welding requirements, whether it is ordinary MIG welding, pulse MIG welding, or Miller patented RMD welding, are set by software. At the same time, an extended and upgraded communication interface is provided for this function.
Conclusion
The new inverter welding power supply with numerical control, flexibility and network is more energy-saving and more environmentally friendly. It is gradually being applied and promoted in modern industrial production. However, the slow processing speed and poor anti-interference ability are the main shortcomings of digital control. Therefore, in the implementation of digital welding machine, it is necessary to meet the minimum requirements of the arc welding process by reasonable control chip selection and overall design, and take effective The anti-interference measures enable the digital control circuit to adapt to the arc welding process environment of high radiation and strong electromagnetic interference. Due to the complicated structure and many components of the inverter welding power source, in order to ensure long-term stable welding, higher requirements are also placed on the design of the circuit structure, the reliability and quality of the components. We believe that with the development of related industries, the prospect of inverter welding power supply will be more extensive.
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