stretch forming 中文意思是什麼
stretch forming
解釋
拉伸成形法-
In the background of integrative economy all over world, forming and developing of global city is increasing, especially emergence new spatial city structure such as city cluster, metropolitan area, metropolis taenia, metropolis stretch and so on, its play a important role of cosmopolitan note city in the system of global city network, and more and more dominate global economical life line, in the meantime exceed national entity on the spatial power
在全球經濟一體化的背景下，世界城市的形成和發展很快，尤其是出現了像城市群、大都市區、大都市帶、都市連綿帶等新的城市空間組織形式，這些新的城市空間組織形式，在全球城市網路體系中扮演著世界性節點城市的角色，它們越來越控制和主宰著全球的經濟命脈，越來越在空間權力上超越國家的實體。 -
Manufacturing processes forming under tensile conditions - part 4 : stretch forming ; classification, subdivision, terms and definitions
拉伸成形加工工藝.第4部分:張拉成形.分類細分類 -
Optimization of loading trajectory in skin stretch forming process
蒙皮拉形加載軌跡優化 -
Finite element simulation for stretch bending forming of t - shaped section of aluminum alloy
型材拉彎成形的有限元模擬 -
At last, the author analyzes and studies numerical simulation of stretch bending forming with lateral compression
在論文的最後進行了有側壓拉彎成形模擬的分析與探討。 -
Stretch bending is an important plastic bend process and is widely applied to forming the workpieces of aircraft and car
拉彎是一種重要的彎曲成形工藝，廣泛應用於飛機和汽車彎曲件的成形。 -
If noah ' s ark, the tower of babel story of the languages forming or many of the other things mentioned in the bible aren ' t literal ( and they aren ' t by any stretch of the imagination ) ? neither are the portions of book of mormon history relying on these items as literal
如果挪亞方舟和巴別塔語言分散變亂的故事在《聖經》里的文字敘述並不詳盡（即使再伸展想像力它們也並不敘述詳盡） ，那麼《摩門經》裏面歷史的這些段落也不該詳盡。 -
Abstract : in this paper, first fe simulation algorithms for contact search, contact constraint, and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming. then the fe simulation model for contact friction problem in sheet metal forming was set up. at last, the efficiency & amp; stability of this model was proved to be satisfactory by the comparing numerical example and experiment results of skin stretch forming
文摘:本文在分析了板料成形過程接觸摩擦問題特點的基礎上，提出了接觸搜索、界面滑動約束、法向接觸力以及摩擦力計算等問題的有限元模擬演算法，建立了板料成形過程接觸摩擦問題的有限元模擬模型，最後通過數值算例與飛機蒙皮拉形模擬試驗結果的比較，驗證了此模型計算精度及數值穩定性良好。 -
In order to optimize the procedure of stretch - wrap forming, circumscribes are analyzed and module to optimize the procedure are brought forward. optimized parameters are obtained as an attempt through numerical method, therefor the meanings of module in practice are verified
為了優化型材拉彎加工參數，分析了型材拉彎的限制條件，提出了優化參數的理論模型，並利用數值計算的方法對優化加工參數進行了嘗試。 -
The actual condition of xac are studied, the characteristic of most kinds of methods of stretch - wrap forming are analyzed and the evaluating method of anisotropism of extrusion are summarized, therefore parameters about anisotropism of extrusion are obtained according to series of experiments
從西飛公司鈑金加工的實際情況入手，分析了各種型材拉彎方法的特點，研究了擠壓型材各向異性的評價指標，並利用實驗獲得了擠壓型材的各向異性參數。 -
Using numerical simulation technology, many researches investigate the plastic forming processes. but rotary stretch bending is little studied
很多學者使用有限元模擬方法對塑性成形工藝進行了分析，在這之中，對轉臺式拉彎成形工藝研究較少。 -
For the first time, the process of the rotary stretch bending with lateral compression is analyzed by analytical method, and a new explanation is put forward to explain the negative springback in the forming process
本文首次使用解析法對側壓轉臺式拉彎成形過程進行分析，並對成形過程中的負回彈現象提出了新的解釋。 -
By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending
本文採用有限元模擬的方法，結合金屬成形的塑性變形理論，深入分析了拉彎的成形機理，建立了用於轉臺式拉彎成形模擬的有限元模型。 -
It has been proved in fact that the approach of stretch bending can decrease the springback effectively, and this can improve the forming precision, so the process of stretch bending can be widely used in the forming of the workpieces in the field of car and aircraft
實踐證明，採用拉彎工藝可以有效減小回彈，達到提高成形精度的目的。因此，拉彎工藝在飛機、汽車彎曲件成形中得到了廣泛的應用。
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