Welding Machines Business History

An overview of Tada Electric Co., Ltd.'s Welding Machine Business history spanning more than half a century.

1955	Began delivery of three-phase, low-frequency welding machines.
1970	Began delivery of mash seam welding machines for steel processing lines.
1971	Began delivery of flash-butt welding machines for steel processing lines.
1974	Developed electron-beam welding machines.
1976	Developed a flash-butt welding machine with rectangular-wave power supply.
1979	Developed the world's highest output EBM (120kW).
〃	Began delivery of the world's fastest fully automatic flash-butt welding machine (NMW).

1980	Successfully developed, commercialized and supplied the world's first slab-edge heater.
1981	Began delivery of packaged (fully assembled, transportable) EBM.
1982	Began delivery of DC mash seam welding machine.
1983	Began delivery of the world's first high-output (5kW) CO2 laser welding machine for steel processing lines.
1986	Completed development of moving-gun high-output EBM.
1987	Completed development of laser welding machine for ultrathin strip lines.

1990	Completed development of the world's highest output moving-gun EBM (150kW).
1994	Began delivery of the first continuous-exhaust (cassette) EBM.
1995	Began delivery of the world's first hot-bar joining induction heater (1kHz, 5,200kW).
1996	Developed and began delivery of new flash-butt welding machines (NMW-C).
〃	Began delivery of the first 300W EBM for microjoining.
1997	Began delivery of ETL reflow equipment (120kHz, 1,800kW).
〃	Implemented the first application of the 300W EBM, mass-produced for microjoining to a crystal oscillator.
1998	Began delivery of the newly developed type-C edge heater (300Hz, 4,900kW).
〃	Began delivery of the first continuous-exhaust shuttle EBM.
〃	Received order and delivered first large-cassette EBM for A/T.
1999	Began delivery of hot-bar induction heaters (1.4kHz, 17.2MW).
〃	Began delivery of an EBM system for hybrid vehicle secondary batteries.

2000	Began delivery of the CO2 laser welding machine (Type KII) for tailored blanks.
2001	Transferred welding machine business from Mitsubishi Electric Corporation.
2002	Began delivery of the YAG laser tailored-blank welding machine.
2004	Began delivery of the uniform-heating induction heater (10.5MW, 150Hz) with U-shaped iron core for steel process lines.
2005	Developed e-Flush mirror finishing machine.
〃	Began delivery of the new (space-saving, high-performance) CO2 laser welding machine for steel processing lines.
2006	Developed fiber-laser welding machine for steel processing lines.
2007	Developed and began delivery of the world's first fiber-laser welding machine.

2011	Developed FPC-EBM.
2012	Developed and began delivery of the world's first disk-laser welding machine.
2013	Developed new 150kV high-voltage electron beam.
2017	Developed new laser welding head utilizing "Spatter-Less Welding Technology"
2019	Commercialization of electron beam metal 3D printer "EZ300"