defects of welding 中文意思是什麼
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Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。 -
On the basis of the experiment, the reason that high strength 7a52 aluminum alloy produced the familiar defects such as hot cracking, porosity, slag patch, etc. in the welding was analyzed, and the preventive measures of every defect were adopted
摘要在實驗的基礎上分析了高強7a52鋁合金焊接時出現的常見焊接缺陷：熱裂紋、氣孔、夾渣等產生的原因，並對每種缺陷提出了預防措施。 -
Technical requirements of repair welding for defects on the 921a etc. steel plates used in naval ships
艦艇用921a等鋼板缺陷補焊技術要求 -
The paper expounds how to find out the potential safe problems and unobvious defects, such as beyond - limit deflection in fixed girders for gantry bucket wheel stacker / reclaimer, by means of completely checking fixed girders, movable beams, geometric shapes of stiff and flexible supporters, metal thickness and welding and how to solve the safe problems and remove the defects
摘要通過對門式斗輪堆取料機固定梁、活動梁、剛性支腿、撓性支腿的幾何形狀、金屬厚度、焊縫狀況、聯接螺栓狀況進行全面檢測，發現門式斗輪堆取料機固定梁存在下撓超標的安全隱患和其他非明顯缺陷，從而對堆取料機的安全狀況有了全面的掌握，並根據檢測結論對固定梁下撓缺陷及時進行校正消缺，避免發生設備垮塌事故，保證了堆取料機的安全穩定運行。 -
The mechanisms of the defects forming are discussed and the improving measurements of quality of laser beam welding al - fe - v - si aluminum alloy are pointed out
激光焊接的al - fe - v - si耐熱鋁合金，焊接區域存在粗大的枝晶組織和焊接氣孔。 -
The welding line microstructure of ticp / fe in situ composites gained by different welding technologies and welding methods was different. however the microstructure was diffused on the welding line and there were no welding defects, the welding quality was better. the tic reinforced particles on the welding line still kept the same shape as that of the casting microstructure
原位tic _ p fe復合材料採用不同焊接工藝和焊接方法所得的焊縫組織有所差別，但焊縫處的組織均勻，沒有裂紋等焊接缺陷產生，可焊性較好；焊縫處的tic增強顆粒仍保持鑄態組織中tic增強顆粒的形態。 -
Welding and allied processes. resistance spot, projection and seam welded lap joints. classification of defects with explanatory comments
焊接和有關技術.電阻點焊凸焊或縫焊搭接接頭.帶解釋的缺陷分類 -
This paper introduced the welding repair technology of crack in turbine cylinder and pointed out some solved methods to similar defects in turbine cylinder.
本文主要介紹了汽輪機汽缸裂紋缺陷的焊接修復處理工藝，並對電建安裝現場施工中類似的缸體缺陷問題提出了一些解決的辦法。 -
Through overall inspection, analysis and study on the saddle welding beam defect of lower gas - holding pipes, the cause of the defects was found and prediction was made on the residual life of furnace pipes, and repairing suggestion was given as well
摘要通過對下集氣管馬鞍焊縫缺陷進行全面的檢測、分析、研究，查清了缺陷產生的原因，預測了爐管的剩餘壽命，並提出了修復使用的建議。
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