| 单词 | peen |
| 释义 | ▪ I. peen, v.|piːn|
Also pene.
[app. of Norse origin: cf. Ihre Sw. pæna ut en ting to extend or beat out in length and breadth; Sw. dial. (Rietz) pena, päna, e.g. päna ut jarnet to beat iron thin, to hammer out in length and breadth; Da. dial. (Molbech) pene, pæne, pene ud to beat out; Norw. dial. (Ross) penna, pænne uut to hammer out flat.]
trans. To beat thin with a hammer, to hammer out; to strike with the pein of a hammer.
1513Douglas æneis vii. xi. 72 The sickyr helmis penis and forgis out. Ibid. viii. Prol. 93 Sum penis furth a pan boddum to prent fals plakkis. Ibid. viii. vii. 128 The glowand irne to well and peyne anon. [In Eng. Dial. Dict. from Shetland and Orkney, Cumbld., N.E. Lanc.; in Westmld. and N. Yorksh., as a shoemaker's term, ‘to beat the edge of a sole with the peen of the hammer’.] 1888J. Rose Mod. Machine-Shop Pract. II. xxv. 162/2 The side faces of the arms would require to be pened. 1902Internat. Libr. Technol. IV. §44.22 Iron may be stretched by peening it; that is, by striking it with the peen of a hammer. This method is often used to loosen a collar or a nut. 1941A. C. Davies Sci. & Pract. of Welding ii. 118 In the arc welding of cast iron the risk of fracture is definitely reduced if the short beads of weld metal are lightly peened immediately after they have been laid. 1950Engineering 31 Mar. 345/3 Each run of weld is peened before the next run is applied. 1964S. Crawford Basic Engin. Processes i. 16 The bench fitter frequently uses different types of hand hammers for fitting operations requiring force, e.g...peening over the end of rivets. 1977Good Motoring Mar. 32/2 A leak between two cylinders caused through a plug in the underside of the head which had been ‘very poorly peened in place’.
Hence ˈpeening vbl. n. (see also shot peening s.v. shot n.1 31).
1885[see pein n.]. 1905W. S. Leonard Machine-Shop Tools & Methods (ed. 3) ii. 33 The peening affects only the outer surface of the shaft, and the turning removes this outer surface, thereby partially neutralizing the effect of the peening. 1907English Mechanic 23 Aug. 49/1 After the bottom is slipped on the paning down can be done with a paning hammer.., or..with a sheet-metal worker's common hammer. 1960Times Rev. Industry Jan. 36/2 The peening of springs for increasing the fatigue life, particularly for the motor industry, can be done in air operated plant as well as the airless type. 1964J. G. Tweeddale Mech. Properties of Metals vii. 125 Residual stresses may be induced in several ways, such as surface rolling and peening. Peening can take the form of hammer peening or shot peening.
▪ II. peen
var. pein n. |
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