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huangguaha木蟲之王 (文壇精英)
我不是我
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[求助]
英譯漢
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彎曲試驗(yàn)技術(shù)相關(guān)的,翻譯英文部分,謝謝 For this test, specimens with thickness a and width b are to be prepared, the edges of which may be rounded on the tension side to a radius of 1-2 mm.For plates and sections the specimen thickness a is equal to the product thickness t. For product thicknesses thicknesses exceeding 25 mm the thickness may be reduced by machining the compression side of the bend specimen to not less than 25 mm. To perform this test, the test specimen is bent in a continuous operation as shown in Figure 2.13 and using a mandrel of specified radius D/2 until the prescribed bending angle α is reached or the initial incipient fracture occurs. For normal strength steels D/2 = 2 ⋅ a, for higher strength steels D/2 = 3 ⋅ a. The test shall be satisfactory if the prescribed bending angle is achieved without incipient fracture. If, when the specimen is unclamped, it springs back, the bending operation need not be repeated. |
木蟲 (正式寫手)
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為試驗(yàn)準(zhǔn)備厚度a、寬度b的樣件,拉伸側(cè)的邊緣可倒半徑1-2mm的圓角。對(duì)于板和截面,試件厚度a等于產(chǎn)品厚度t。產(chǎn)品厚度超過25mm時(shí),可以通過加工擠壓側(cè)將厚度減到小于25mm。 根據(jù)圖2.13所示的連續(xù)操作彎曲試件,使用半徑D/2的芯軸直到達(dá)到預(yù)定的彎曲角a或發(fā)生早期斷裂。對(duì)普通強(qiáng)度鋼D/2=2⋅a,對(duì)高強(qiáng)度鋼D/2=3⋅a。如果達(dá)到預(yù)定彎曲角而沒有出現(xiàn)早期斷裂,試驗(yàn)滿足要求。如果裝夾松開,試件彈回,不需要重復(fù)彎曲操作。 |
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