| 释义 |
Definition of pilger in English: pilgernoun ˈpɪlɡə English Regional, East Asian historical A fish-spear or eel-spear.
noun ˈpɪlɡə Metallurgy Used attributive with reference to a rolling mill for reducing the outside diameter of a tube without changing the inside diameter, its two rollers each having a semicircular groove of decreasing diameter passing round the circumference, so that in conjunction they form a circular hole through which the tube can be forced on a cylindrical mandrel and which decreases gradually and increases suddenly in size during each revolution of the rollers; especially in "pilger mill", "pilger process", "pilger roll".
verb ˈpɪlɡə Metallurgy rare with object To reduce the outside diameter of (a tube) in a pilger mill.
Origin Early 19th century; earliest use found in Robert Forby (1759–1825), philologist. Apparently from pile + gare, and hence representing a formation much earlier than the date of the earliest attestations below
early 20th century. From German Pilger, lit ‘pilgrim’, after Pilgerschrittwalzwerk, lit ‘pilgrim's steps rolling mill’, so called in allusion to the alternate feeding in and partial withdrawal of the billet during the operation of the mill, which is said to resemble the steps of pilgrims approaching a shrine
1940s; earliest use found in Metallurgia. From pilger. Definition of pilger in US English: pilgernounˈpɪlɡə English Regional, East Asian historical A fish-spear or eel-spear.
nounˈpɪlɡə Metallurgy Used attributive with reference to a rolling mill for reducing the outside diameter of a tube without changing the inside diameter, its two rollers each having a semicircular groove of decreasing diameter passing round the circumference, so that in conjunction they form a circular hole through which the tube can be forced on a cylindrical mandrel and which decreases gradually and increases suddenly in size during each revolution of the rollers; especially in "pilger mill", "pilger process", "pilger roll".
verbˈpɪlɡə Metallurgy rare with object To reduce the outside diameter of (a tube) in a pilger mill.
Origin Early 19th century; earliest use found in Robert Forby (1759–1825), philologist. Apparently from pile + gare, and hence representing a formation much earlier than the date of the earliest attestations below<br>early 20th century. From German Pilger, lit ‘pilgrim’, after Pilgerschrittwalzwerk, lit ‘pilgrim's steps rolling mill’, so called in allusion to the alternate feeding in and partial withdrawal of the billet during the operation of the mill, which is said to resemble the steps of pilgrims approaching a shrine<br>1940s; earliest use found in Metallurgia. From pilger. |