指形零件 的英文怎麼說
中文拼音 [zhǐxínglíngjiàn]
指形零件
英文
finger-
So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied
為了使研究更加貼近於工程，便於解析處理，提出準面的概念，並確立由準面到準線的研究路線，給出了各種傳動形式下準面與準線的具體特徵，證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件，進而指出，當準面為平行軸和相交軸傳動的節曲面時，不干涉條件自然滿足。Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings
對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明：基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件，達到或高於鑄造零件。There are three surveys in this paper, the retail market survey, the newspaper market survey and the reader survey. through these surveys, the general situation of taizhou market of newspaper industry was outlined. on the base of a large number of data, it summarizes the characteristics of taizhou market of newspaper industry. first, the competition between outside area newspapers and local newspapers has already formed. second, at present, newspapers published in big cities gain the advantage over the local newspaper. third, readers in taizhou have their own characteristics, which are very different from readers in big cities, such as the educational level, the economical condition, the reading custom, and so on. third, the network of newspapers retail sales has already established, and most of newsstands belong to local post offices. finally, comparatively speaking, both readers and newspaper sales in taizhou are on a small scale
本文選取江蘇省泰州市報業市場作為樣本，通過對零售市場、本地外地報紙市場佔有情況、受眾規模與閱報習慣三個方面的實地調查，用大量數據勾勒出泰州報業市場的整體現狀，並在此基礎上總結出泰州報業市場的特徵:外地報紙和本地報紙之間的競爭已經形成，外地報紙在競爭中處于優勢地位;報紙讀者在受教育程度、經濟狀況、閱讀習慣上存在自身特點，讀者規模相對較小;以郵政報刊亭為主的報紙零售網路已經建立，報刊亭進報渠道多樣，但總體零售量不大。針對泰州市報業市場所反映的全國地級市報業市場的現狀和特點，論文對地級市報業市場和大城市報業市場的共性與個性進行了比較，並在此基礎上指出，目前條件下，不同的報業主體在開發地級市報業市場時應採取不同的對策。In this paper, by using non - linear finite element software, ansys / ls - dyna, simulate a forming of auto fall to ground skeleton part, get the contour of the semi - finished product, forecast the change of the blank thickness and the probable wrinkling, cracking, and from the simulation of the spring - back, obtain the spring - back tendency. so, get technology parameters, which are inextricable to forming production. all these will pose great significant to production in theory and reality
本文運用非線性有限元軟體ansys ls - dyna對汽車落地骨架零件進行了沖壓成形的數值模擬，得出了毛坯外形，預測了成形過程中板料壁厚變化和可能出現的起皺、破裂現象，通過回彈模擬，預測了回彈趨勢，獲得了該類零件成形所需要的工藝參數，對實際生產具有一定的指導作用。Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces
表面結構的測量與特徵描述是精密計量技術的一個重要方面，傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許，以保證零件執行其指定的功能.當技術特性已經經過仔細確定，並且其過程穩定時，該方法是令人滿意的;但是，當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時，就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的Abstract : this paper intnoduces the means of wedm based on gnand command for altenating of the sysnmetrg figares, and explanins the steps and skills of he cutting. routes programming combining the particular part
文摘:介紹了基於對稱圖形變換宏指令的低速走絲線切割加工方法，並結合具體零件切割路徑的編程步驟及技巧予以說明。In recent years, the high speed development of chinese economy promotes automobile and automobile parts industry boosting fast in production scale and sales and profits in china axle branch company belongs to faw jiefang vehicle co, ltd, its former name is faw chassis plant, established in 1955 its main products are 4 ~ 16ton front axle series, casting axle and pressing & welding axle middle rear axle series etc, total more than 30 varieties its main customer is faw coming into the new century, the truck market of china present more new requirement characteristics and some new faces faw ’ s market share decreased sharply, however its further development strategic objective is still keeping the first share of industry market therefore, the purpose of this study is, with the continuous instruction of high duty and large power trucks, and the implementation of the strategy of introduction / spread, how axle branch company to be stronger and larger in the new market competition situation, thereby meet the macro - strategic objective requirement since 20 century 80s, the study point of enterprise strategy theory has been transferred to enterprise competition theory stepwise, and three main strategy schools have come up : industry structure school, core capability school and strategy resource school this study paper herein will apply some theories and methods from these three schools to study the development strategy of axle branch company, combined with the research study result of domestic and foreign auto parts industry circumstance, with the methods of deduction and
新的需求特點和后進入企業的參與，打破了傳統競爭格局，集中度下降，同時國內市場國際化趨勢使競爭升級，一汽卡車市場佔有率大幅下降，作為中國汽車工業的搖籃，其戰略是繼續保持行業市場佔有率第一。作為一汽集團的一個戰略單位，面對新的市場進入者，還應重新審視其現有產品構成、開發水平、產品水平、製造技術、營銷手段等方面的問題，制定在新形勢、新環境下的發展戰略，才能跟上中國乃至世界汽車整車、零部件發展的新趨勢、新要求，才能在激烈的市場競爭中立於不敗之地。本論文通過對車橋分公司面臨的市場環境和目前經營狀況的分析，指出其發展方面存在的問題，並以「專題研究」形式，運用戰略管理的一些理論和方法，並結合對國內外汽車零部件行業環境及發展趨勢的調查研究，用演繹推理的方法來研究車橋分公司發展戰略。The paper discusses the specific problems about the conductive light - solidification composite material ( clscm ) deeply in theory ; presents the coat process of manufacturing clscm and some simple experiment methods creatively. we use several different fillings and different technics to make different clscm, and test some performances. in addition, we confect a kind of fiber - resin composite, and research the relationship between the performance of the material and the distortion of parts
從理論上深入探討了開發導電性光固化復合材料應注意的問題，指出了填料的性能與添加量對復合材料性能的影響；提出了開發導電性復合材料的塗層工藝及一些簡易的實驗方法；利用不同的填料、不同的工藝方式開發出不同的導電性光固化復合材料，並對其多種性能進行了實驗測定或估測；根據理論分析，研究了材料性能與零件變形的關系，配製出纖維?樹脂復合材料。Considering the shortage of the forming technology of traditional parts like three direct links valve body, with analysis of the current situation studying at home and abroad in connection with parts like three direct links valve body forming handicraft and equipment, the multi - way loading method overall forming of the three direct links valve body has been proposed and the wide application prospect in the industrial design of this technology has been pointed out
摘要針對傳統三通閥體類零件成形工藝的不足，分析了國內外有關三通閥體類零件成形工藝及裝備研究現狀，提出了多向加載整體成形三通閥體類零件的工藝，並指出該成形工藝在工業設計生產中具有廣泛的應用前景。Their object is to find a way, which is effective and economical to resolve this kind of problem. the problem of optimal placement of stock sheets is that planning plane parts on the stock sheets in the most optimal combination and layout
板材排樣優化問題是指當平面零件從規則的矩形板材上下料時，規劃零件在板型原材料上最佳的下料組合與每個下料零件最優布局的問題。分享友人