sheet metal forming 中文意思是什麼

sheet metal forming 解釋
薄板成形
  • sheet : n 1 〈常 pl 〉被單；褥單。2 裹屍布。3 （懺悔者穿的）白衣；懺悔服。4 一張（紙）；紙張；（尤指黃色...
  • metal : n 1 金屬；金屬製品；金屬合金。2 【化學】金屬元素；（opp alloy）；金屬性。3 【徽章】金色；銀色。4 ...
  • forming : device
  1. This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively

    本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。
  2. The predictions have been compared with experiments and the results indicated that the adaptive variable blank holder force can be used to improve the sheet metal forming processes

    本文通過數值模擬的方法把變壓邊力的壓邊方式應用到拉深過程，並和實際情況相比較，發現合理的變壓邊力能改善板材的成形性能。
  3. The application of cae software kmas for sheet metal forming in automotive body panels die design

    在汽車覆蓋件模具設計中的應用
  4. Standard specification for zinc casting alloy ingot for sheet metal forming dies and plastic injection molds

    薄板金屬成型壓模和塑料注模用鋅鑄造合金錠標準規范
  5. Study on virtual punch velocity in simulation of sheet metal forming by explicit method

    薄板成形模擬動力顯式演算法的虛擬凸模速度分析
  6. In order to solve the problem in traditional method of blank development, deformation theory and the assumption of ideal forming are adopted, and one step approach to design sheet metal forming is derived

    摘要針對傳統的毛坯展開方法所存在的總量，本文採用形變理論並利用理想形變的假設，導出用於板料成形設計的逆演算法。
  7. A rapid manufacture technique of large moulds for sheet metal forming was presented, which was based on discrete cavity mould ( dcm )

    摘要提出了基於離散型面模的毛坯曲面構件快速成型技術，並介紹了離散型面調節機械手的構成與工作原理。
  8. To predict the forming limit in sheet metal forming, a ductile fracture criterion is introduced into the finite element simulation

    摘要為了準確地預測板料成形極限，將韌性斷裂準則引入到有限元模擬中。
  9. Research on 3d fem prediction of sheet metal forming limit based on ductile fracture criterion

    基於延性斷裂準則的板料破裂極限三維有限元預測方法研究
  10. Ideal forming and design of sheet metal forming

    理想形變與板料成形設計
  11. One step finite element simulation of sheet metal forming

    金屬板料成形的一步有限元模擬方法
  12. Blank shape design for sheet metal forming based on ideal forming theory

    基於理想成形理論的板料設計
  13. Construction of case - based knowledge base for aircraft sheet metal forming

    基於實例的飛機板金工藝知識庫的構建
  14. In sheet metal forming, the determination of shape and dimension of blank is the precondition of analysis of part ' s deformation, process of design and drawing up of process rules

    確定沖壓件展開板料的形狀及尺寸，是分析沖壓件變形程度，設計工藝性及擬訂工藝規程的前提。
  15. A scale coefficient method based on the fem has been proposed to predict the optimum blank in sheet metal forming in this thesis. in order to improve the precision of results and reduce iterate time, at adjusting the original curve, this method is n ' t giving the same adjustment, but giving the corresponding adjustment based on calculation of scale coefficient and shape error of each node to the curve

    本文在有限元模擬的基礎上提出了一種新的板料優化的方法? ?比例因子法，該方法在調整初始輪廓線時，不是給各個節點一個相同的調整量，而是依各個節點的比例因子及形狀誤差值計算出相應的調整量，這樣調整的針對性強，計算結果更精確，需要迭代的時間也更少。
  16. There are three types of wrinkle which frequently occur in the sheet metal forming process : flange wrinkling, wall wrinkling, and elastic buckling of the undeformed area owing to residual elastic compressive stresses

    在金屬板料成型加工中通常存在三種類型的起皺現象：法蘭起皺，側壁起皺，和由於殘余壓應力在未變形區產生的彈性變形。
  17. Sheet metal forming machines

    金屬板成型機
  18. 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。
  19. The improved one step fem and its application in sheet metal forming analysis

    改進的一步模擬法及其在板料成形分析中的應用
  20. Drawing process is the most typical and complicated in sheet metal forming. also is the widest applying pressing technology

    拉深是沖壓板料成形工藝中最典型、最復雜的一種成形工藝，也是應用最廣的一種沖壓工藝。
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