| 单词 | flash welding |
| 释义 | > as lemmasflash welding flash welding n. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > welding > types of butt welding1878 lead burning1886 arc welding1890 thermite process1905 thermite welding1906 resistance welding1908 spot welding1908 seam welding1917 fusion welding1918 projection welding1918 stud welding1918 metal arc welding1926 pressure welding1926 metallic arc welding1927 flash-butt welding1933 flash welding1933 stitch welding1934 rightward welding1936 block welding1943 submerged-arc welding1945 friction welding1946 T.I.G.1960 microwelding1962 1933 Welding Ind. Feb. 4/1 Butt welding may be divided into (a) direct or upset method... (b) flash welding, in which the material is brought together and an arc is drawn between the parts to be welded. This arc plays along the material in a continuous flash and the pieces are moved together during this flashing period and when in the plastic state the current is interrupted and pressure applied. 1943 Jrnl. Royal Aeronaut. Soc. 47 289 Flash welding is a type of butt weld in which the two parts to be joined are connected to the secondary terminals of a low-voltage high-current transformer, are then brought into close proximity, and the voltage applied. < as lemmas |
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