| 释义 |
Babbit-metal
Also babbitt (or Babbitt) metal, Babbit's metal.
[f. name of the inventor.]
A soft alloy of tin, antimony, and copper, used in journal-bearings, etc., to diminish friction. Sometimes used ellipt. Hence babbitt-lined adj.
Named after Isaac Babbitt (1799–1862).
1875Ure Dict. Arts, Babbit's Metal..composed of 25 parts of tin, 2 parts of antimony, and ½ a part of copper. 1900Sci. Amer. Suppl. XLIX. 20184/1 Almost any solid metal for lining bearings is called by the name of ‘babbitt metal’... Ordinary soft lining, so-called babbitt metal, frequently is made up of four parts lead and one part antimony. Ibid., Genuine babbitt will probably change its form more by reheating than the alloys of antimony and lead. 1909Westm. Gaz. 30 Nov. 5/2 The nuts are formed by pouring molten Babbitt metal in the hollow bosses of the shoes. 1932E. Wilson Devil take Hindmost viii. 46 The bronze and babbitt metal are scraped out of the connecting rods. Ibid. 49 A finished connecting rod..must be..bored with holes..the holes lined with white babbitt and bronze. 1937Times 16 Sept. 6/5 The big end and camshaft bearings are babbitt-lined. |