節圓半徑 的英文怎麼說
中文拼音 [jiéyuánbànjìng]
節圓半徑
英文
pitch radius-
The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve
導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程R1 the pitch circle radius of bolt
R1螺栓的節圓半徑Equivalent pitch radius
當量節圓半徑Virtual pitch radius
當量節圓半徑If the confirmed size from the above formula is not practical, it is necessary to apply flange wheel hub and checking board, the checking board should be connected with gear with bolt, and the bolt should be on special pitch circle radius
21 . 1如果從上面公式確定的鍵槽尺寸不實用，那麼應採用帶鍵的法蘭式輪轂和檢查板，檢查板用螺栓連接在輪上，螺栓處于特別的節圓半徑上。Based on ansys, this paper studies stress concentration on single notch of eight kinds of high strength bolts used in grid structure, obtaining their stress concentration coefficients, discussing the effect of ascending angle, bottom radius of screw thread and bolt - ball on stress concentration, introducing their effect coefficients of a1, a2, a3, putting forward the formulae of stress concentration coefficient
本文以ansys有限元軟體為研究手段，針對網架螺栓球節點的8種螺栓規格進行單缺口應力集中分析，定量求得相應的應力集中系數k _ t ；論述了螺紋升角、螺紋牙根圓角半徑r及球栓直徑比d / d對k _ t的影響，並引入相應的影響系數_ 1 、 _ 2及_ 3 ，最終提出了應力集中系數k的計算公式。Profile curves of a rounding surface are calculated along a feature line with a given radius. then inner elements of a rounding mesh is created with these profile curves, and sewn with the original mesh which is pre - trimmed. a feature - based mesh modification method is proposed for existing rounding feature
給定圓角半徑，計算出沿特徵線圓角曲面的截面輪廓線，以輪廓線的六等分點為節點生成圓角區域單元，並與剪裁后的基網格面縫合，從而生成沿特徵線的圓角曲面網格。According to the virtual endoscopy automatic navigation, using the two - distance field - based 3d center path finding algorithm to find the path, adopting the cylindrical approximation of tubular organs to replace the center path by several approximate cylinders, while using distance transformation that is substituted by euclidean distance to calculate the approximate cylinder ' s axis and radius, the algorithm can save much time
摘要針對虛擬內窺鏡自動漫遊技術，利用基於雙距離場的三維中心路徑提取演算法進行路徑提取，採用管狀器官的圓柱狀近似，將中心路徑用多個近似的圓柱體代替，用距離變換代替歐式距離公式計算近似圓柱體的軸和半徑，節省了大量的計算時間。The optimization selection and comparison have been conducted on the ratios of major structural dimensions of ball cage patterned constant speed universal joint namely the ratio between central circle diameter of steel ball and ball diameter, the ratio between outer diameter of universal joint and diameter of graduation circle of inner sleeve spline and the ratio between eccentricity of ball cage patterned constant speed universal joint and central circle radius of ball
對球籠式等速萬向節的主要結構尺寸即鋼球中心圓直徑與鋼球直徑之比、萬向節外徑與內套花鍵分度圓直徑之比，以及球籠式等速萬向節的偏心距與鋼球中心圓半徑之比進行了優化選擇和比較。The results show that the study on transimittivity can be done using the points along the circle arc centered at the roadway or the boring core, the transimittivity at the joints along the right angle ray can be studied using one single point behind the joint, and the studies on transimittivity can be done on any reasonable radius value of the roadway or boring core in a typical rock
分析結果表明：單節理后各節點透射率的研究，可以通過單節理后某一以巷道或鉆孔中心為中心的圓弧上各節點的透射率來展開；射線角為90的射線上節理后各節點透射率的研究，可以通過節理后某一節點的透射率來展開；單節理的透射率的研究可以在一個固定半徑值的巷道或鉆孔的模型上用一種典型的巖石進行。分享友人