tube bending 中文意思是什麼
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Abstract : this paper explains the design of piercing die for steel tube, especially the manufacturing process using bench worker ' s experience to reduce the manufacturing cost. meanwhile, it also introduces the design of bending die for steel tube using the principle of take - out - slug, which can improve the work efficiency
文摘:介紹鋼管沖孔模具的設計，如何利用鉗工的操作技能來製造上、下沖孔模具，降低製造成本；以及不用抽芯塊的原理來設計鋼管彎曲模具，從而提高工作效率。 -
In this dissertation, nc tube bending process has been researched by using 3d fem numerical simulation in conjunction with theoretical analysis. based on the database technology, the nc tube bending simulation system ( nctbs ) is developed in order to make this process systematize and standardize and to control forming quality effectively. a brief introduction to the project and its results obtained are as follows : a mechanical model corresponding to reality has been established through analyzing the stress of nc tube bending process
本文著重採用計算機數值模擬，並與理論分析相結合，對數控彎管進行了三維有限元模擬研究，同時自主開發了基於數據庫技術的數控彎管模擬系統（ nctbs ） ，初步實現了數控彎管從設計、模擬到數控生產的工藝規程系統化和規范化，對有效實現數控彎管工藝的質量控制具有重要意義。 -
Cnc took over glass cutting, pattern making, electrical discharge machining, steel - mill roll grinding, coordinate measuring, electron beam welding, tube bending, drafting, printed circuit manufacturing, coil winding, functional testing, robots, and many other processes
從玻璃切割、樣式設計、發電機電流負載、鋼廠滾動打磨、坐標測量、電子束焊接、彎管製作、起草方案、印刷電路製造、線圈纏繞、功能檢測到自動機械等許多過程都已由數字計算機控制系統控制完成。 -
In the planning of the hydroforming process, the paper analyzes a representative automobile part to build up the cae simulation model of tube bending, preforming, and hydroforming, and discusses the influence of different preform designs on the final shape of the tube
在管件液壓成形製程規劃方面，本文選取了一具有代表性的汽車結構件進行分析，由原始的彎管、預成形、到液壓成形皆建立了cae模擬模式，並探討不同的預成形設計方式對管件最終成形之影響。 -
The kink might result from over - bending of the softening tube in the oral cavity due to oral temperature and neck flexion
造成氣管內管彎折的可能原因是因為頸部屈曲及口腔溫度較氣管內管高以致管子變軟所導致的過度彎曲。 -
The curve of arch rib, rib section bending, splice of rib sections, seperator of tube, bracing plates, bracing system, meeting of arch, concrete pumping, hangers, tie - rods, the tower of the cable crane and the guy ropes, technical specifications of cfst arch bridge are discussed
對鋼管混凝土拱橋的拱軸線選用、鋼管節段彎制、節段拼接、管內分隔倉、綴板設計、聯結繫系統、合龍設計及其細節、管內混凝土的泵送、吊桿、系桿、纜索吊機與扣索塔架、技術規范等12個問題進行了探討。 -
Although strict design calculations are made to guarantee the members have sufficient strength in their work life, yet dash and improper loads may damage them during construction and in service. these damages include elastic - plastic bending and local dent in the walls of the tube. in addition, corrosive medium such as atmosphere and contaminated water can also bring corrosion damage in the walls of the tube
雖然都經過嚴格的設計計算，以保證其在使用壽命期內有足夠的強度，但在安裝施工和使用期間，往往因受到沖撞和非正常荷載而產生彈塑性彎曲和凹陷等損傷，此外大氣、受污染的水分等腐蝕性介質也可能在管壁上產生腐蝕損傷。 -
Indicated from the results : influenced by geometric parameters analyzed above, the effect on tube filler hollow floor is similar with box filler hollow floor ; though differing from section properties between these two structures, the bear bending rigidities in the two perpendicular directions are almost the same
結果表明:薄壁筒芯空心樓板受以上分析的各幾何參數的影響效果與薄壁箱體空心樓蓋很相似;雖然兩種結構的截面特性不同，但抗彎剛度在兩正交方向基本相同。 -
An experimental study on concrete - filled steel tubes under bending and torsion is conducted. the experimental stress analysis shows that values of practical critical stress of the steel tube correspond well with mises yielding rule
離心鋼管混凝土管在不同彎扭加載路徑作用下，其扭矩與轉角的關系在各階段特點趨勢與純扭轉作用下的情況基本相似。 -
On the basis of comprehensive analyses and studies, now the centrifuge concrete filled thin - walled steel tubular is regarded as one of the ideal substitutes of the traditional concrete poles, and there has been a practical call for the researches on it unfortunately, present evidence is all for the capabilities of the tube under single load but there is hardly any datum relating to those under the combined loads of bending and shearing torsion that many members applied in electric power projects inevitably bear to different extent. this paper intends to improve this situation with the experimental researches and related theoretical analyses done on the subject
在電力工程結構中，由於使用功能要求，許多結構中不同程度地存在著受扭工作狀況，及彎扭、剪扭聯合作用工作狀況，然而迄今為止，國內外對離心鋼管混凝土結構的工作性能的研究大多局限在單一荷載工況情況下，尚未見組合荷載作用的研究，因此，能否深入了解離心鋼管混凝土構件的扭轉和在組合作用下的受力特性，成為影響該結構形式能否進一步推廣應用和發展的關鍵技術問題。 -
Various kinds of carbon steel, alloy steel, stainless steel, 90 and 180seamless elbow, sharp bend elbow, plate tube, concentrated pipe and all kinds of pipe fitting made by of company with intermediate frequency induction heating bending shaping craft are features in smooth surface both in inside and outside, even thickness of pipe wall and other advantages, and our products are proved by state science technology commission, national ministry of labor and other authoritative department after the quality inspection that the products of us conforms to the national standard and different standards of different industries
公司採用中頻感應加熱推製成型工藝，生產的各種碳鋼合金鋼不銹鋼90 180無縫彎頭，急彎彎管盤管集合管及各種管道配件具有組織緻密，內外表面光滑，壁厚均勻等優點，經國家科委勞動部等技術權威部門對技術進行檢測均符合中華人民共和國國標及各行業標準。公司自行設計製造了3條推製成型流水線，可生產18 - 630的各種材質壁厚無縫彎頭。 -
According to the transferring matrix method, the paper presents a method for calculating the deflection of a filament wound tapered tube at bending and the calculation result is proved by experiment results
本文以傳遞矩陣法為基礎，計算纖維纏繞錐管在彎曲載荷作用下的撓曲變形，並以實驗結果驗證了計算結果。 -
It is a difficult work to calculate the deflection of filament wound tapered tube at bending because of changing layer thickness in every cross section
摘要纖維纏繞的錐形管，由於各截面的纖維層厚在不斷變化，彎曲變形計算比較困難。 -
The stress field, strain field and energy formula have been established as the base of 3d fem simulation of nc tube bending process. a 3d fem simulation program of nc tube bending is developed based on the ansys software platform, and some key techniques have been studied. used this program as a core, nctbs system which combines with cad / cae / capp / cam subsystems on the database is developed
基於ansys軟體編制了數控彎管三維有限元數值模擬程序，對其中的關鍵技術問題作了處理；以此程序為核心，基於數據庫技術自主設計開發了數控彎管模擬系統（ nctbs ） ，集成了數控彎管cad / capp / cae / cam子系統，通過考核驗證了系統的可靠性，實現了廣義的計算機輔助數控彎管工藝設計和質量保證系統。 -
4 ) the ultimate bending capacity of cfrst joints can be considered as branch tube flange effective width failure mode
對于矩形鋼管混凝土桁架受彎節點承載力可按支管受拉翼緣有效寬度破壞模式計算。 -
The main achievements were summarized in detail as follows : ( 1 ) the cfdst tubular beams, columns and beam - columns with chs outer steel tubes were tested systematically. the main experimental parameters were tube diameter - to - thickness ratio, hollow section ratio, eccentricity and slenderness ratio. ( 2 ) load - deformation relationship curves of cfdst subjected to compression and bending were analyzed by finite element method and fiber element method
本文具體進行了以下幾個方面的工作: （ 1 ）分別以徑厚比、空心率、長細比、偏心距等為主要變化參數，較系統地進行了軸壓、純彎和壓彎構件在單調加載下的試驗研究。 -
The numerical control ( nc ) tube bending process used as a method of thin walled tube bending has been widely applied in fields of aeronautics and astronautics. however, the process planning based on the traditional " trial - and - error " method limits the predominance of this advanced process
數控彎管工藝在航空、航天工業的薄壁管彎曲成形中佔有重要地位，但傳統的基於經驗和試驗的工藝設計方法限制了數控彎管工藝優勢的發揮。 -
Tpih ( tube - bending process using local induction heating ), used as a new process method to prevent the producing of unequal distribution of the wall and ovality in the tube, has been widely applied in fields of petroleum chemical industry, light industry, pipe engineering, aeronautics and astronauts industries, etc.
加熱彎管是防止管材彎曲截面形狀畸變與壁厚不均勻的一種新的工藝方法，廣泛的應用於石油化工、輕工、管道工程、航空航天等工業部門。 -
Simulation for nc tube bending process
數控彎管加工過程的計算機模擬 -
Steam heating : adopting total copper tube bending method without welding, so it ' s stronger and can extend the heater ' s life
蒸氣加熱，採用整支銅管彎曲成型未經焊燒保持銅管耐久不破，使加熱器壽命延長。
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