shell pattern 中文意思是什麼
shell pattern
解釋
殼模模型-
The number of seeds in a sunflower, the petals of any flower, the arrangement of pine cones, the growth of a nautilus shell, etc. . all follow the same pattern of these series
以一顆向日葵里的種子數目，任何花的花瓣，松樹球果的排列，鸚鵡螺殼的生長等等. . .都遵照這些級數的同樣模式。 -
The technical requirements for the lost pattern made from the paraffin - stearin and the shell mould made from colloidal silica in the precision casting were introduced
摘要介紹用石蠟硬脂酸低溫模料製作熔模，用硅溶膠作粘結劑製造模殼的工藝。 -
The experimental results show that if such technology parameters as the baking speed, wall thickness, and sl pattern thickness are suitable, or the size of sl pattern in one direction gets very small, shell can be prevented from cracking during baking process
研究結果表明：採用樹脂制備方法，不僅可以簡化傳統製作蠟模的工藝步驟，而且大大縮短了製作周期；樹脂模型精度、粗糙度對復雜鑄件的傳遞特性，己成為該方法被廣泛應用的一個重要的前提條件。 -
Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。 -
Different kinds of porcelain wares, we will help you to get acquainted with jingdezhen ' s “ the colorful famile - rose porcelain ”, “ the elegant blue and white porcelain ”, “ the delicate and transparent rice pattern porcelain ”, “ the exquisite egg - shell porcelain ”, “ the brilliant colored glaze porcelain ” and “ the vivid sculpture porcelain ”
各種瓷器中，我們將幫助您了解江西景德鎮「色彩絢麗的粉彩瓷」 「典雅素靜的青花瓷」 「明凈剔透的玲瓏瓷」 「精美輕巧的薄胎瓷」 「五彩濱紛的顏色釉瓷」 「栩栩如生的雕塑瓷」 。 -
Then uses the methods such as robert, sobel to detect the edge. finally, uses the method of fourier to extract the vein feature of the shell pattern so as to make computer identify the fatigue fracture
然後採用robert 、 sobel等演算法進行邊緣檢測，最後採用fourier變換來提取貝殼紋花樣的紋理特徵值，實現計算機對疲勞斷口的識別。 -
In the selective calculation module, the calculations of heat exchanger design, the analysis of pipe setting patterns are combined with the database so that the selective calculation sub - system is developed. considering the factors such as uniform flowing of the fluid, smaller inner radius of the shell, the well heat exchanging effect and saving materials, the pipe setting module is developed based on the designing data. in the module for automatically generating parts and assembly drawings, the database of pattern sizes and the drawing libraries are established according to the classifications and series
在選型計算模塊中，通過換熱器設計計算、管束組件的布管方式分析、數據庫的檢索，開發了浮頭式換熱器輔助設計計運算元系統；在布管定型模塊中，按照確保殼程流體流動均勻、且換熱器殼體的內徑較小、管程殼程間換熱良好且節省材料的原則，根據設計計算參數建立了自動布管定型系統；在零部件圖和裝配圖自動生成模塊中，分級分類地開發了浮頭式換熱器所有零部件圖和裝配圖的圖紙尺寸數據庫和圖庫，運用「死圖活尺寸」的開發理念，開發了圖形自動生成與管束參數化設計的集成系統。 -
Pattern design and optimization for filament - wound toroidal shell
纖維纏繞復合材料圓環殼線型設計與優化 -
The mechanic character, destroying pattern, the ductile and dissipation energy capacity of this composite structure under the earthquake have been clarified. the stiffness degradation, natural frequency, damping ratio of this structural system with the development of intensity of earthquake have also been investigated. with consideration of the top displacement, drift of story and micro - strain of longitude steel bars, the equivalent shell wall method has been presented in order to simplify the design of such type structure
通過試驗，掌握了該結構體系在水平地震荷載作用下的受力特點、變形與耗能性能、結構的破壞形態等力學指標：得到了結構在不同地震烈度條件下的剛度變化、自振頻率、阻尼比等動力特性；綜合結構的頂點位移、層間轉角以及鋼筋的微應變，提出了適合於該結構體系簡化設計的「等效剪力墻法」 。 -
In order to avoid the shell cracking during baking process of quick investment casting based on stereolithography ( sl ) pattern, an expanding model of sl pattern - ceramic shell is proposed via analyzing the interaction between investment shell and sl pattern, then the cracking condition of investment shell is given
摘要為了解決快速熔模鑄造中型殼開裂問題，對樹脂模型與型殼材料在消失過程中的熱變形機理和型殼開裂條件進行了有限元分析，建立了原型型殼熱變形數學模型，並應用於新型燃氣渦輪導向器的快速鑄造。 -
The conveying medium in pipe has great effect on buried pipeline ’ s damage, its flow pattern, temperature, pressure change, velocity, all of these can influence the shell of pipe and its stress distribution. so it is very important to analyze the fluid - pipe coupling
管道內部的輸送介質對管道破壞影響也很大，管內介質的流態、溫度、壓力變化、流速等對管壁變形和應力分佈都有影響，故管道內流體和管道間的耦合分析對地下管道破壞分析很重要。
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