| 单词 | spark erosion |
| 释义 | > as lemmasspark erosion spark erosion n. Engineering a method of machining metal in which a series of electric sparks is used to remove droplets from the piece; frequently attributive. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > machining milling1613 spinning1857 profiling1888 drilling1894 jig-boring1932 spark machining1954 spark erosion1955 1955 Aircraft Production XVII. 421/1 The process of spark-erosion machining is becoming widely used for special purposes, such as machining holes in tungsten-carbide. 1977 R. B. Ross Handbk. Metal Treatm. 360 Spark erosion is extremely useful where shapes are required in hardened or difficult to machine materials. 1980 West Lancs. Evening Gaz. 4 Jan. 10 (advt.) Familiarity with close tolerance machining and bench work is essential and some experience of spark erosion machining would be an advantage. < as lemmas |
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