| 单词 | tack weld |
| 释义 | > as lemmastack weld tack weld v. (transitive) to join (materials) at intervals with provisional welds in order to hold them in position for subsequent work; hence as n. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (transitive)] > weld > with specific technique seam1703 jump1864 tack1887 spot weld1908 seam-weld1917 tack weld1919 lead-burn1937 projection-weld1950 micro-weld1965 society > occupation and work > industry > working with specific materials > working with metal > [noun] > welding > joint made by > types of rust joint1839 butt weld1850 jump-weld1864 jump-joint1874 tee-joint1888 spot weld1908 tack weld1919 seam weld1920 fillet weld1929 fusion weld1930 braze1934 projection weld1938 flash weld1959 1919 Chambers's Jrnl. Jan. 60/2 Up the sides the seams were only welded at intervals, or ‘tack welded’, as it is called. 1950 B. R. Hilton Welding Design ii. 42 If tack welds are not to be removed as the welding proceeds, their section should be equivalent to that of the first weld run. 1964 S. Crawford Basic Engin. Processes iii. 82 A tack weld is made by applying the flame to the metal until it melts and then adding a little welding rod. 1979 Financial Times 22 Jan. 9/7 The top is tack welded, then the bottom, followed by the sides. Clamps and devices are removed and the weld completed. < as lemmas |
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