blank shape 中文意思是什麼
blank shape
解釋
毛坯外形-
For a handsome and not an unamiable - looking man, he repelled me exceedingly : there was no power in that smooth - skinned face of a full oval shape : no firmness in that aquiline nose and small cherry mouth ; there was no thought on the low, even forehead ; no command in that blank, brown eye
這樣一個漂亮而且看來也並非不和藹的男人，卻使我極為討厭。在那光滑的鵝蛋形臉蛋上沒有魄力在那個鷹鉤鼻和那張櫻桃小口上缺少堅毅在那低平的額頭上沒有思想在那空洞的褐色眼睛里沒有控制力。 -
For a time, so steeped was he in the plays and in the many favorite passages that impressed themselves almost without effort on his brain, that all the world seemed to shape itself into forms of elizabethan tragedy or comedy and his very thoughts were in blank verse
好些他喜愛的段落幾乎毫不費力便印入了他的腦子。整個世界也似乎納入了伊麗莎白時代的悲劇和喜劇的模式里。連他思考問題也用起了素體詩。 -
First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank
計算方法之一為k值法：作拉深件水平投影圖，在該投影圖面積方程中引入k值，利用面積相等原理解方程，求得k值，沿水平投影外沿加上k值，即為毛坯圖的外廓形狀。計算方法之二為拉深線法：沿拉深件水平投影圖外廓，在任意點作該點切線的法線，在該法線上以該點拉深件的高度為量，在法線上取截點。 -
Abstract : based on the analysis of influence of tubular rib construction on heat transfer area on steel blank and heat transfer space in furnace, a t - shape support system for tubular rib is presented, by which the construction of wholly overhead furnace hearth can be realized for large and medium scale continuous reheating furnaces, making furnace gases to come into full contact with steel blank, raising space utilization ratio of furnace chamber and improving heat exchange
文摘:分析了爐筋管結構形式對傳熱空間、坯料受熱面積的影響；提出採用t形支撐技術優化爐筋管，可實現大、中型連續加熱爐的全架空爐底，使爐氣與坯料表面充分接觸，提高爐膛空間利用率，可較大幅度提高爐膛熱交換。 -
The super ability key performs result : an all new and absolute surprising magic principle, magician unexpectedly the ability become a key of blank a new key that has teeth of a saw. magician needs the finger is one key, then the ability reply it original shape. the performance complete, the audience even can check key, and can not find any trace
神奇杯表演效果：超能力最高境界就是無中生有或來去無蹤，此套魔術道具變化萬千是全全世界喜愛魔術者必有的一套。不需多做介紹，擁有此套魔術者定能引人注目，充滿自豪，學會后必成為人群中最受歡迎的人。 -
The images inspired by “ pen - shape ” which symbolizes “ intelligent power ” ; the use and symbol significance of red, yellow and black deriving from the culture that the artist grew up in ; and the special connotation of red drapery, a book with red cover ( what demands attention is that the book is open and blank ), red muffler ( or red scarf ) and red ink are all embodying the transferring process of the subjective consciousness and state of contemporary chinese people, exhibiting the artist ' s thought about people of the time
那啟發于具有「知識權力」象徵意義的「筆型」的人物造型形象，那源於藝術家所出生成長的獨有民族文化之根? ?紅、黃、黑為主的色彩運用及象徵意義，那紅幃帳、紅皮書（值得注意的是，有些書是被打開的，而且是空白的） 、紅圍巾（或紅領巾） 、紅墨水等的另類內涵，這一切似乎昭示著中國當代人的一種自身主體意識及狀態的轉變過程，展現著藝術家對這個時代中的人的新思考。 -
Drawing piece unfold size is one basic condition under the calculation on coefficient, number of drawing, handbooks or books of press are not given, practice press production, die designer designs drawing die by experience calculation, after testing, according to deformation, state, defect shape of testing blank, shape and unfold size is revising, finally, unfold size and shape of blank are determined, designing period is longer, cost of die and work piece is to raise, economic benefit is to reduce
拉深件展開尺寸是拉深可行性分析中計算拉深系數與拉深次數的前提條件，現有沖壓手冊或教材對于復雜拉深件的展開尺寸計算尚未論述。復雜拉深件的沖壓生產中，模具設計者憑經驗估計拉深可行性，設計製造拉深模進行反復試壓，根據試壓件的形變狀態，缺陷形貌，制定坯料展開尺寸和形狀，周期較長，因而生產成本高，經濟效益不佳。 -
The one - step method is used to calculate the original curve. this method can get original blank curve directly from part shape and compute very fast
而用於優化的初始輪廓線，本文採用的是有限元逆演算法，即一步演算法求得，該方法由最終零件形狀直接計算出初始板料，計算速度快。 -
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 -
In the solid model building program, based on the cutting tooth theory of double circular arc profile spiral bevel gear and autocad software, a series of computer simulations about solid model building and cutting tooth process of the gear were curried out. the cutter ' s tooth shape, the processed gear blank shape and its conjugated tooth profile shape as well as visual movement relationship between generating gear and processed gear blank etc. were obtained. the relative position of cutter and processed gear as well as the movement trace and rule in the cutting process can be showed dynamically on screen
在實體建模程序中，以雙圓弧弧齒錐齒輪的加工原理為基礎，藉助繪圖軟體autocad ，模擬了雙圓弧弧齒錐齒輪銑刀盤刀齒形狀、輪齒毛坯形狀等，進而根據產形輪與被加工齒坯之間的共軛嚙合關系，進行了雙圓弧弧齒錐齒輪的實體建模及加工過程模擬，在屏幕上動態顯示刀具及被加工齒輪的相對位置及其加工時的運動軌跡和規律。 -
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。 -
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。 -
Metal flow is a very inhomogeneous process during backward extrusion of complex box body, relative shape and size of the blank is a key factor which affect metal flow
摘要復雜盒形零件的反擠壓是一個極其不均勻的流動過程，坯料的相對形狀及尺寸是影響金屬流動的關鍵因素。 -
In the last chapter of this thesis, we introduce two kinds of sheet metal parts. one is forming part which require very accurate prediction of blank shape, the other is drawing part which need just approximate prediction of blank shape. we apply the scale coefficient method to predict the blank shape of these two kinds of sheet metal parts
文中最後一章，給出了兩類典型的沖壓零件，一類是落料后直接成形的零件，該類零件初始板料的形狀及尺寸要求非常精確;另一類是兩次拉延成形的零件，這類零件的初始板料要求適合的形狀及尺寸即可。 -
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。 -
By the net - shape forming technology, metal sheet is used as a blank, the cylindrical cup is produced through blanking, deep drawing, and etc, and then the cup is clamped to a mandrel rotated together with the main spindle, the pulley is finally produced by several different spinning rollers, which apply the radial spinning forces to the cup in different positions
鈑制帶輪是以金屬板料為毛坯，經過落料、拉深等沖壓工序製成圓筒狀，然後將其裝夾在帶有頂壓座的芯模上，使其隨主軸一起旋轉，通過若干不同齒形的旋壓成形輪分別沿徑向施加壓力而成形。 -
In this paper, the equilibrium equation of liquid bulge forming small tangential round corner is deduced for the complicated shape tube - type blank, the function equation between forming stress parameters are and the small corner are obtained ; the forming mechanism of the small tangential corner is studied, the matching relation between liquid bulging pressure and axial thrust is given, the optimal liquid bulging force parameters are determined
摘要本文推導出復雜形狀管類件復合液壓脹形時環向小圓角成形的平衡方程，得出了成形應力與環向圓角半徑的解析關系；研究了環向小圓角成形機理，確定了液體脹形壓力與軸向推力的匹配關系以及最佳的成形力參量。
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