| 单词 | gravity die-casting |
| 释义 | > as lemmasgravity die-casting gravity die-casting n. die-casting in which the metal is poured into the mould rather than forced in under pressure; a casting so made. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > founding or casting > types of iron founding1793 bronze founding1869 chill-casting1879 die-casting1911 core-casting1928 slush casting1930 sand casting1939 gravity die-casting1940 investment casting1946 slipforming1968 pressure casting1973 1940 Chambers's Techn. Dict. 388/1 Gravity diecasting, a process by means of which castings of various alloys are made in steel or cast-iron moulds, the molten metal being poured by hand. 1960 Metallurgia LXI. 65/2 Although there are many methods of producing castings in aluminium alloys, only three are of major importance, namely sand casting, gravity die casting, and pressure die casting. 1964 S. Crawford Basic Engin. Processes (1969) xi. 246 Gravity die castings are generally superior in structure and strength to both sand castings and pressure die castings. < as lemmas |
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