The welding and cutting exhibition after 2000 is an important issue. It can clearly see the following major development trends: more economical and rational production is still an important issue; in addition, some of the more important driving forces are quality assurance and arrogance. Household issues; the relationship between cost and the performance and reliability of the entire production chain; the development and rational application of various parts of the production system (such as gases, filling materials and power supplies) is very important, Development will inevitably lead to an increase in system performance and reliability. However, if the performance of each part is excellent, the production cost may be increased. Therefore, the rational application of each part should be emphasized; the end user is more concerned about the physical and mental health and safety of the user. The problem; the increasing use of new and advanced materials, including surface treated materials, includes advantages such as light weight, better mechanical properties and corrosion resistance. It can be asserted that there will be no miraculous changes in welding and cutting in the near future. When industrial gases emerge, gas and its application technology will be an important part of welding and cutting after 2000, which may be more important than today's development and progress in base metals, filler materials, power supplies, lasers and mechanized equipment, especially Yes, gas application technology or how to use gas in the best way will be a compelling topic for the future. (Chengdu Electric Welder Research Institute Wang Xiaobao Russia has developed a high-power laser power cutter According to a recent Science and Technology Daily report: Russian scientists have recently developed a very powerful laser cutting device that cuts any planar material within the cutting thickness. This high power laser was designed and manufactured by the Institute of Laser Physics of the Siberian Branch of the Russian Academy of Sciences. The beam from the device can cut metal and other materials up to 40mm thick. This new laser is nearly twice as powerful as its predecessor. The whole process has computer control, cutting the wrong stack if the m power supply 350mpi US recently adopted ESAB, an inverter welding power supply for MIG, DC HG, manual welding, arc gouging, etc. ESAB35Qmpi The power input voltage is 230V or 460V, and can be used in single or three phases. The power supply has a self-protection function that does not damage the power supply when it is accidentally connected to a high primary voltage. The ESAB-350mPi has a rated output current of 350A when the load is sustained at 60%, and the rated output current is 350A when the input is three-phase. The rated output current is 225A. This power supply can be used with all US-made Isa MIG wire feeders. When used in MIG welding, the controllers are easy to use and feature an 8-position selector. The operator can use the flux cored wire and the tubular wire to weld different materials: stainless steel, aluminum, CQ; protective welded steel, argon-shielded steel. The welder's logic will select the correct slope and power supply for the different materials to be welded, providing the operator with a suitable arc/arc force range. When used as a TIG weld, the operator has two choices for a TIG or contact TIG weld. The TIG welding state is initiated by a normal DC scratch. When contacting the TIG welding mold, the welder detects the contact between the welding rod and the base metal. When the operator lifts the welding torch from the surface of the base material, a straight rising current is generated. When used for manual arc welding, the operator can select the manual welding position on the 5-position adjuster, and the output of the welder automatically changes to a constant current state. (Chengdu Electric Welding Machine Research Institute Wang Xiaobao translated from Svetsaren1999.N.3) Polycarbonate Folding Door,Commercial Folding Door,Polycarbonate Folding Gate,Transparent Polycarbonate Slat Aluminium Folding Door Dongguan HengTaichang Doors Co, Ltd. , https://www.dghtcdoors.com