零件變形 的英文怎麼說
中文拼音 [língjiànbiànxíng]
零件變形
英文
parts deformed-
In fact in the die casting process, when the liquid metal have not solidified completely, in order to break arborescent structures which have already solidified and then proceed fine - crystal intensification, we apply a deforming force, so the mechanical properties of parts produced by liquid combination process of die casting and forging will be improved significantly
其實質就是在壓鑄基礎上，待型腔中的液態金屬還沒有完全凝固時，立即施加一個變形力，打碎已經凝固的枝晶組織。鑄鍛雙控成形工藝主要適合生產形狀復雜和強度要求高的汽車零部件和其它結構件。The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此，本論文重點對大口徑光學系統在高精度光學鏡頭裝校中，因重力變形進行了詳細的分析研究，特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析，使用algor有限元分析軟體獲得了大量的面形誤差分析數據，然後將這些數據繪成曲線進行對比分析，最後提出了減小重力變形的措施與方案，並進行了實驗，驗證了分析結果是正確的，減小重力變形的方法是有效的。Exercisable processes : heat treatment of work - pieces in the form of long pole, metal of strict distortion requirement and bad hardenability
實例：特別適合於長桿類型零件對變形要求嚴格且淬透性不高的零件的熱處理。Abstract : the basic characteristics of hot _ isostatic press quenching method and its excellent performances on decreasing part deformation are described in this paper
文摘:敘述了熱等靜壓淬火方法的基本特點以及在減小零件變形方面的優良性能。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義Woven wire mesh series : stainless steel wire mesh, brass wire mesh, copper wire mesh, phosphor bronze wire mesh, barbecue grill mesh, crimped wire mesh, low carbon steel wire mesh, mild steel wire mesh, black wire cloth, window screening netting, vibrating sieving mesh, filter for gas and liquid, conveyer belt, chain link fence, galvanized square wire mesh, hexagonal wire mesh
此網帶由雙股右螺旋或由雙股左螺旋盤條與一根串條連接而成，網帶拼接方便，網眼一般小於單股加強編織的網眼，編織牢固，不易變形，維修方便。能用於高溫的自動流水線，輸送重物，機械工業上零件的熱處理，各種較大物品的烘乾。By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術（ ubet ） ，引入非完全軸對稱單元，模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程，推導出了成形過程中的速度場公式，並成功地描述了擠壓過程中的變形規律。Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc
文摘:對鋁合金零件彈托在溫擠條件下的流變成形過程進行了數值模擬，其中包括對金屬在模具型腔中的流動情況、速度場、應力場、應變場、溫度場、節點力等的數值模擬。Gearbox case is a complicacy detail. now its dimensional form and position parameter is measured ordinary by three - dimensional measuring machine. efficiency is very low
變速箱殼體是一個形狀復雜的大尺寸零件，目前國內外企業多數使用三坐標測量機對其尺寸和形位參數進行檢測。This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load
這種高硅變形鋁合金具有密度小和200以下良好的熱穩定性，特別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和摩擦載荷的零件。Chainstitches are often used to attach waisbands on sports wear and decorative strips on sleeves and trouser legs, from jackers, quit covers to bed covers. when added with some auxiliary conponents, the machine can sew a multiple of decorative patterns. it is piece of indispensable sewing equipment for garment factories
因鏈式線跡有彈性，常用於縫制運動服的緊腰部位和衣袖褲腿的裝飾條，從夾克衫、運動服到被套床罩，增加一些輔助零件后，就能變化出多種裝飾形式，是服裝廠不可缺少的縫制設備。In the measurement of dimention, shap, and deformation for 3 - d object, the measurement, and surface testing of complex precision components for microelement, and industrial inspection as well as remote sensing measurement etc., it finds wide use
它廣泛應用於三維物體的幾何尺寸、形狀、變形等的測量，精密復雜零件的微尺寸測量和外觀檢測，工業監測及航空遙感測量等技術領域中。This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic
本文詳細介紹了薄形組合件自適應識別系統；闡明了圖像的分通道自動採集過程，以及對採集到的原始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法，有效地解決了識別區域的定位問題。針對裝配零件（主要是墊片）薄、小導致圖像信息少、識別難度大，以及材質不一導致採集到的組合件圖像亮度波動等問題，提出了使用最佳閾值迭代法和使用種子填充的圖像串列分割技術，自適應地找出最佳閡值，使墊片和背景分離，從而提取墊片數目信息。In this paper, the forming principle of nc incremental sheet metal parts forming process, the ultimate half - apex are presented, and so on
本文就板料零件數控漸進成形工藝的成形過程、變形機理、極限半頂角等方面進行了探討。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。Compact horizontal double chamber structure, to have the functions of oil - quenching and gas - quenching. many groups of nozzle of carburizing atmosphere are placed on the heating furnace casing
配置高效的可調節的外部淬火油冷卻循環系統，淬火能力強，能夠獲得更小的零件變形量。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。Quenching hot oil is forced cooling by outer circulation of oil - pump and heat exchanger, so oil - cooling rate is high
配置高效的外部淬火油冷卻循環系統，淬火能力強，能夠得到更小的零件變形量。Compact horizontal double chamber structure, to have the functions of high pressure gas - quenching
淬火能力強，能夠得到更小的零件變形量。In many cases, there are more than one sheet, and the acreage of these sheets are not the same. furthermore, placement of stock sheets should not overlap on each other, and should do bool calculation, as well as switch their station and direction to these parts
此外，板材排樣優化還應滿足板材上零件圖形間互不重疊，且在板材矩形區域內，需要對零件圖形進行復雜的布爾運算、位置方向變換等圖形操作。分享友人