拉延模 的英文怎麼說

中文拼音 [lāyánmó]
拉延模 英文
drawing die
  • 拉 : 拉構詞成分。
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 拉延 : mandrelling拉延壓力機 drawing press
  1. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。
  2. Drawing technique and punching simulation of inside board of veil framework up - transom

    汽車面罩骨架上橫梁內板拉延工藝分析及沖壓模擬
  3. The applications of the modularization of the mould ' s surface structure for vehicle cover panels

    的汽車覆蓋件拉延模結構參數化設計
  4. Spring back and its compensation test in deep - drawning process of automobile panels by fem

    汽車覆蓋件深拉延有限元模擬過程中的回彈及補償試驗
  5. A finite element model describing the drawing process of the heat - shield panel of automobile engine is established by using the commercial dynamic explicit code ls - dyna

    摘要使用基於動態顯式演算法的商業軟體ls - dyna建立了某汽車發動機隔熱罩拉延成形的有限元模型，通過所建立的有限元模型分析了壓邊力對拉延成形的影響。
  6. Standard part and feature library system development for automobiles ’ draw dies should be based on the actual work manners and work contents. this thesis concludes the procedures and work contents about the draw die design of hamc in detail

    加強模具cad方面的研究，對于推動我國模具工業的發展有重大的意義。針對工廠的實際工作方式、工作內容進行系統開發，是開發汽車拉延模標準件庫及特徵庫的指導思想。
  7. Developing a software for the testing machine measuring and controlling system. the software can automatically switch control mode according to standard in the process of tensile testing and automatically judge constitutive mode of material. at the same time, it can automatically measure elastic modulus e, yield strength o s, proof strength, non - proportional extention o 0. 2, percentage extention 8, tensile strength o b, etc. it can applied in industry practice

    在經典pid控制與模糊控制的基礎上，設計了模糊自適應pid控制應用於試驗機的應力、應變及位移控制； 3 、開發了一套完整的試驗機測控系統軟體，能在試樣拉伸過程中按標準自動切換控制方式並自動判別材料本構模式，能夠自動測定彈性模量e 、屈服限_ s 、條件屈服限_ （ 0 . 2 ） 、延伸率、強度限_ b等，應用於工程實際。
  8. This paper take the junction panel of the front reinforced beam in the back automobile floor for the example, introduces the drawing die design process, which proves this method simplified the design process, enhanced the rated capacity

    本文以汽車后地板前加強梁左右連接板為例介紹了汽車覆蓋件拉延模具設計，經過實踐應用，證明該方法簡化了設計過程，提高了設計效率。
  9. From the end result, we realize that pbo fiber ropes with minor denier, high strength and low elongation rate are the better choices while undergoing the recursive simulated flight tests

    由實驗得知聚苯並惡唑編織繩具有細丹尼、高強力及低延伸率外，經由反覆拉伸模擬飛行時其強力下降率亦為較佳者。
  10. Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel

    通過高溫下的恆溫加載拉伸試驗，得到不同溫度下耐火鋼的屈服強度、極限強度、延伸率、面縮率和應力應變關系，並測定高溫下耐火鋼的熱膨脹系數，採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。
  11. Improve the parametric modelling function of the sustaining platform on the basis of the software ’ s function and further studying the realization method of standard parametric model. sort and summerize the standard parts of the draw die. add the management function for the standard part library

    2 ）在研究標準零件參數化模型的實現方法基礎上，結合系統軟體的功能，改進了支撐平臺的參數化建模功能，對拉延模設計過程中用的標準件進行分類、總結，實現了較為完善的標準零件庫的管理功能。
  12. 3. conclude and class the familiar feature in structure design of the non - standard parts used in the draw die on the basis of studying the feature cad method. summerize the feature restriction parametric according to the actual experience and build up applied parametric feature library of the draw die combined with the feature design function of the unigraphics platform

    3 ）在研究特徵輔助設計方法的基礎上，對拉延模非標準件的結構設計中的常見特徵進行歸納、分類，並根據實際經驗總結出相應的特徵約束參數，結合unigraphics平臺的特徵設計的功能，建立實用的拉延模參數化特徵庫。
  13. On the basis of being familiar with the functions of unigraphics system, the thesis elucidates the work manners about the cad software sustaining the draw die design. the theory and realization about the cad function are also discussed. to realize the target of raising the quality and the efficiency of the die design the theory of the stpart & feature library on the basis of “ unigraphics ” which has the function of establishing the characterized 3d parametric solid model has been developed

    論文依據unigraphics系統有關模塊和功能，探討了cad軟體支持模具設計過程的工作方式，研究相應輔助設計功能的原理和實現方法;結合系統開發平臺的功能，為實現提高模具設計質量、設計效率的目標，在基於特徵的三維參數化實體造型系統unigraphics上開發了拉延模標準件庫及特徵庫。
  14. Following studies are included in the thesis : 1. the developing platform is chosen based on the analysis the design procedure and work contents about the draw die design. illustrating the design procedure and flowchart of the die use the function of the system platform

    論文主要完成了以下工作: 1 ）分析了汽車拉延模的設計過程及工作內容，選擇了系統的開發平臺，並結合系統平臺的功能給出了模具的設計過程及工作方式，在此基礎上設計了系統的總體結構及功能模塊，建立起系統的總體框架。
  15. This paper takes advantage of numeric simulation technology to investigate the weld - line movement and formability of twb with the same property and different thickness, analyzes the weld - line movement in three different drawing ways with the same drawing depth, and shows the normal rule of weld - line movement in different drawing ways, and the relationship between the weld - line movement and formability of twb of different thickness

    摘要本文利用數值模擬技術對相同材質差厚拼焊板的沖壓成形性和焊縫移動進行研究，分析了相同拉延深度、不同拉延方式下焊縫移動情況，揭示了不同拉延方式下焊縫移動的一般規律和焊縫移動量與差厚拼焊板成形性之間的關系。
  16. The changes of characteristics of material and geometry caused by stamping all influence the precision of cae. in this thesis it also shows that a typical structure and a simplified car model were built using one step forming and mapping method based on vpg and kmas software, thus enabling us to define it fast fine simulation method ( ffs ) ; likewise, the pure static bend test and the front impact test complied with ecer42 were respectively completed

    4 .本文首次將快速精細模擬分析（ fastfinesimulation - ffs ）方法應用到車身典型結構件的靜態純彎特性研究，利用kmas軟體進行了該模擬模型一步成型拉延分析，通過試驗和模擬分析結果對比，驗證了拉延工藝對車身結構件力學特性的重要影響。
  17. A new concept, essential technical design ( etd ) for automobile stretching part which provides succeeding fem simulation with initial conditions, its necessity and characteristics are presented

    提出了要領設計的新概念，即通過該環節為汽車覆蓋拉延件成形的有限元模擬提供初始條件，分析了要領設計的必要性和特點。
  18. Automobile safety falls into two categories, active safety and passive safety. body of research into the structure of anti - collision vehicle passive safety is the main element of the study, which directly affects the target of the vehicle passive safety

    本文基於塑性變形和溫度變化對金屬材料的性能影響的金屬微觀結構理論，運用試驗手段研究在拉延和塗裝烤漆過程中典型材料的揚氏模量和屈服應力的變化。
  19. In this thesis it was proposed to simulate the drawing, trimming, flanging by using error - adjustment method. the initial trimming lines would be adjusted and optimized in the computer by adjusting error. if the shape error between the flanging boundary line and the target is larger than prescribed, the redundant area is subtracted from the initial blank by some amount of volume along the deformation path, and the insufficient volumes are added to the initial blank by the same amount

    本文提出，利用基於變形路徑的誤差修正法（ error - adjustment ） ，結合cae技術將對初始修邊線的調試過程在計算機中進行模擬（包括拉延、修邊、翻邊、整形等）計算，通過控制翻邊后零件成型邊界與實際目標輪廓之間的尺寸誤差來優化修邊線，如果初始切邊、翻邊后的輪廓與目標體的邊界存在較大偏差，則初始切邊輪廓中多餘部分單元將沿其變形路徑以相同體積量被切除，不足部分則沿其變形路徑以相同體積進行補償。
  20. So how to determine the trimming shape and dimension for exact flanging is very important for reducing the period of producing trimming mould and saving the cost. simultaneously it is a difficult problem in whole mould manufacture. several common methods of calculating the cutting contour were discussed in this thesis

    拉延後如何確定修邊線的尺寸和形狀，使翻邊后突緣輪廓正好達到零件所需翻邊高度，對于縮短模具製造周期，減少生產成本都具有重要意義，同時也是整個模具行業亟待解決的一大難題。
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