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| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進行查看 | |||
[求助]
求焊接專業(yè)高手 幫忙 翻譯下這 三段話語 謝謝
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Joint Class I. Joints in this class are double-welded butt joints with complete joint penetration. The root of the first weld is chipped, gouged, or ground to sound metal before making the second weld, and the weld faces are ground or machined flush with the direction of metal removal parallel to the principle stress. Welded joints that are made using backing tape, fusible flux backing material, or a nonfusible backing bar, and are back welded to obtain a completely fused root, shall be qualified in accordance with Section 9, Qualification. Finished joints shall be nondestructively examined according to Section 10, Weld Quality and Inspection, and the results recorded. The fillet weld specimen passes the test if it bends flat upon itself. If the fillet weld fractures, the fractured surface shall show complete fusion to the root of the joint, and exhibit no inclusion or porosity larger than 3/32 in. [2.5 mm] in the greatest dimension to pass the test. The sum of the greatest dimensions of all inclusions and porosity at the fractured surface shall not exceed 3/8 in. [10 mm] in the 6 in. [150 mm] long specimen. Variations in testing procedure, equipment, and acceptance standards from those given in this section may be used upon agreement with the Owner. Such variations include the radiographic examination of fillet welds, T-welds, or corner welds; changes in source-to film distance; unusual geometries; unusual penetrameter application, film type, or densities; and film exposure or development variations. |
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
mgj2150(RXMCDM代發(fā)): 金幣+30, 多謝應(yīng)助！ 2015-01-09 21:35:22
RXMCDM: 翻譯EPI+1 2015-01-09 21:35:26
mgj2150(RXMCDM代發(fā)): 金幣+30, 多謝應(yīng)助！ 2015-01-09 21:35:22
RXMCDM: 翻譯EPI+1 2015-01-09 21:35:26
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焊接接頭課程一。這節(jié)課中要講到的接頭都是完全焊透的雙面焊對接接頭。在焊第二道焊縫之前，第一道焊縫的根部會通過切削，或者鑿，或者研磨的方式被加工成優(yōu)質(zhì)金屬，并且，焊縫表面也會沿金屬的切除指向主應(yīng)力方向被研磨或者機加工成平整表面。凡是在焊接過程中使用了墊帶、可熔墊材、或者不可熔墊板，并使用了封底焊來得到完全熔合的焊根的這些焊接接頭，都應(yīng)該與《Qualification》中的第9部分要求相一致。焊完的接頭都應(yīng)當(dāng)按照《焊接質(zhì)量與檢測》的第10部分要求來進行無損檢測，并將檢測結(jié)果記錄在案。 角焊縫樣本如果可以彎曲平板，那么該樣本即通過測試。如果角焊縫斷裂，那么斷裂表面應(yīng)該可以看到直達焊根的完全熔合，并且沒有最大尺寸大于3/32英寸（2.5mm）的夾雜物或者氣孔，這樣才算是通過檢測。在6英寸（150mm）長的樣本中，斷裂表面所有夾雜物和氣孔的最大尺寸的總和不應(yīng)超過3/8英寸（10mm）。 本部分所給出的測試過程、裝備、和接收標(biāo)準(zhǔn)中的變化可以與物主商量。所謂的變化包括對角焊縫、T型焊縫、或者角接焊縫的射線檢測；光源與膠片距離的變化；一些特殊的幾何問題；特殊的透度計應(yīng)用，膠片類型，或者密度；還有膠片曝光和沖洗方式的問題。 |
2樓2015-01-08 11:15:25
3樓2015-01-08 15:42:34
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