齒緣輪 的英文怎麼說
中文拼音 [chǐyuánlún]
齒緣輪
英文
gear wheel-
Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous
葉紙質，輪廓闊卵形，長6 - 7厘米，寬8 - 11厘米，基部圓或近截平， 3裂或有時5裂，裂片三角狀卵形，有時卵狀長圓形，頂端漸尖，邊緣有疏而銳利地鋸齒，有時近基部全緣，兩面無毛或下面脈腋有簇毛；葉柄長2 - 3厘米，無毛。Although the technologies for the design and manufacturing of gears have been improved quite a lot in these few decades, however for some applications, the problems of backlash, edge contact and over - stress are still exist
一般地，齒輪主要用於傳遞一定轉速比，增大或減小扭矩。盡管在最近幾十年來齒輪的設計製造技術已經大大提高，但是實際應用中側隙、邊緣接觸和過載等問題仍然存在。Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears
首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式，大大簡化了幾何邊緣接觸的求解，使復雜曲面的幾何邊緣接觸分析得以實現；其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題，為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。Cranes ; flanged crane rail wheels with plain bearings, without gear wheel
起重機.無齒輪帶滑動軸承的起重機凸緣導軌輪Cranes ; flanged crane rail wheels with tyre, with roller bearings, without gear wheel
起重機.帶滾柱軸承無齒輪帶輪箍的起重機凸緣導軌Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。Edge contact analysis method and simulation of klingelnberg spiral bevel gear
擺線錐齒輪邊緣接觸分析與模擬研究3 ) the method of geometrical and mechanical analysis is represented on the tooth edge contact in the gears transmission
3 ）提出了弧齒錐齒輪傳動中邊緣接觸中的集合分析與力學分析方法。After synthetically studying the effects of loading positions, rim thickness, circular pinion numbers and fillet radii of gear hob on root section stresses, a judging formula of plane stress and plane strain is proposed and verified, then 2d and 3d fem models are accurately established
系統探討了加載位置、輪緣厚度、周向齒數的確定方法，分析了滾刀頂部圓角對齒根應力的影響，提出了兩類平面問題的判據並予以驗證。And a method of node optimization according to beeline is also put forward to decrease large amounts of short straight lines and ensure sameness of image profile to object prototype. it improves the precision of engraving and suffices the request of engrave machining
為減少邊緣線上的大量結點和鋸齒，保證優化后的圖形輪廓與原圖像逼近，提出了基於最短距離優化節點的解決方法，從而提高了精度，滿足了雕刻加工的要求。分享友人