嚙合時限 的英文怎麼說
中文拼音 [niègěshíxiàn]
嚙合時限
英文
gear-meshing time limit-
Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3
通過漸開線圓柱蝸桿、蝸輪的齒面方程式，利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型，在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析，包括接觸區的形狀、位置、載荷在瞬時嚙合齒對的分配狀況； 3An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition
首先對漸開面二次包絡理論進行了深入的探討，推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件，相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率；此外，還對磨齒后工件的齒面誤差進行了理論分析；並在理論基礎上編制了相應的計算機程序，自動生成接觸線族及嚙合界限線，對不同參數條件下的嚙合情況進行分析，可以使工藝條件達到最佳狀態；最後研究了磨齒裝置，設計了磨齒機的傳動系統。Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance
根據漸開線圓柱蝸桿傳動的創成方法，建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式，分析了漸開線圓柱蝸桿傳動的剛性嚙合特性，如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限曲線、二類界限曲線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響； 2Aimed to the two deficiencies of three - ring gear transmission, the dissertation will analyze these two aspects. the first, according to the finite element model of gear pair of three - ring gear reducer, the dissertation is aimed to analyze the multi - tooth meshing effect of three - ring gear reducer using finite element method, and the number of teeth contacted simultaneously, their load distribution characteristics and the von mises stress change are gained
針對三環減速器以上兩點的不足之處，本文將對以下兩方面進行分析:首先，本文以三環減速器齒輪副有限元模型為研究對象，利用有限單元法對三環減速器多齒嚙合效應進行分析，得到三環減速器傳動時的實際接觸齒數、嚙合齒載荷分配以及vonmises應力變化規律。Ansys is used in calculating and analyzing the distortion of motor shaft and the stress of gear mesh
使用有限元軟體ansys計算分析了3種結構的齒輪軸變形和齒輪嚙合時的應力。3 、 based on the model, a quasi - static meshing simulation is carried out in a meshing period. the numerical results which indicating the variety of the contact status, the contact stress, the bending stress in the location of teeth root and the torque and rotary speed of gear pair vs. the different meshing position are presented, and the rationality of the model is be verified
3 、基於所建有限元分析模型，在一個嚙合周期內，對齒輪副進行準靜態嚙合模擬分析，給出了準靜態嚙合時齒輪的接觸狀態、接觸應力、齒根彎曲應力及主從動齒輪的扭矩和轉速隨嚙合位置變化的規律，驗證了所建模型的正確性。分享友人