Research of Tooth Cutting Theory and Milling Test on Small Module Spiral Bevel Gear by Bingyi Chui, Hua Zhang, Jianjun Yang

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Modification Method of RV Cycloid Gear based on the Tooth Profile Pressure Angle Distribution by Jinfan Li, Tianxing Li, Yulong Li, Meng Tian, Jingyuan Zhou, Ruiyao Zhang

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Conjugate Tooth Profile Solving and Movement Interference Inspection of Harmonic Type Gear Pump by Liu Ziyao, Zhu Hailin, Li Youwu

“…Aiming at the problems that the flexspline of harmonic type gear pump could easily lead to tooth interference during the process of gear meshing,according to envelope theory,the mathematical model of tooth profile of flexible gear is established when conjugate involute profile of rigid gear is given. …”
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Influence of Two-stage Tooth Profile Modification on Transmission Accuracy of Robot Precision Reducer by Xuetao Qiao, Ke Jia, Cunfu Yan, Ze Yang, Peng Wang, Fang Li

“…According to the simulation results，the running smoothness of the left and right involutes planetary gears with tooth profile modification is improved by 86.5% and 82.6% respectively. …”
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Parameterization Modeling of Drop Arm Thickened Tooth Segment of Steering Gear based on CATIA by Cheng Chen, Jin Gu, Shenghuai Wang, Kang Chen

Subjects: “…Thickened-tooth segment…”
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Incomplete Meshing Interference and Morphology of New Tooth Profile of Double Helical Synchronous Belt by Guo Jianhua, Chu Wenya, Li Wenhua, Wang Yu

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An Improved Method for Calculating Undercut Radius of Involute Spur Gear with Small Tooth Number by Sun Fuchun, Yang Li, Wu Changming, Yang Tao, Yuan Ying

Subjects: “…Small tooth number…”
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RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR by GAO Yun, YANG LiuQing, LIU Shuai, CHEN WenHua, ZHOU Xun

“…Firstly, through analyzing the meshing gear of a pair of healthy teeth, the maximum bending stress of the tooth root is determined, And it is taken as the starting point of the crack. …”
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Endo 180 participates in collagen remodeling of the periodontal ligament during orthodontic tooth movement by Liyuan Chen, Danqing He, Zixin Li, Shengjie Cui, Min Yu, Zimo Zhao, Yuetong Chen, Jiayi Song, Nan Jiang, Huajie Yu, Yan Liu

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Analysis of the Error Sensitive Direction and Establishment of the Equation of Face Gear Tooth Surface with Error by Ming Xingzu, Li Mande, Wang Wei, Zhao Lei

“…Based on the theory of multi-body system and the principle of gear meshing,according to six-axis five linkage gear CNC machine structure and the actual conditions of grinding,the grinding tooth surface equation of face gear with error of six-axis five linkage CNC machine is established.Through the simulation,the influence of the grinding wheel spindle kinematic pair on different error sensitive direction is analyzed,the results show that the feed axis B5 relative to machine tool bed B1 moving has larger effect on the tooth profile machining of face gear.A prejudge theory for CNC grinding to improve the machining precision and modified tooth surface error is provided.…”
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Tooth Profile Construction Method with Double Pressure Angles for High Performance Gear Pumps by Li Deling

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Analysis and Establishment of the Isothermal Elastohydrodynamic Lubrication Model of the Cylindrical Gear with Arcuate Tooth Trace by Zhou Bo, Hou Li, Wei Yongqiao, Li Bo

Subjects: “…Cylindrical gear with arcuate tooth trace…”
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Research of the Method of Chamfering Tooth Crest for Spiral Bevel Gear Using Spherical Cutter by Wei Wei, Zhang Lianhong

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Dynamics Simulation Analysis and Experimental Research of Gear Broken Tooth Failure Mechanism of Diesel by Jiang Zhinong, Jiang Bing, Zhang Chuangang, Xing Chenghong, Zhang Jinjie

“…Then the results are compared with the experimental data of gear broken tooth of diesel engine and comparison result shows that,when camshaft gear break tooth,each order frequency will increase,especially the fundamental frequency,three frequency multiplication,and four frequency multiplication. …”
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Theoretical Analysis of the Relationship Between Contact Stress on Rough Tooth Surface and Gear Speed by Tao Kun, Qi Xiumei, Gao Chuangkuan

Subjects: “…Actual roughness tooth surface…”
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Development and Validation of 3D Finite Element Models for Prediction of Orthodontic Tooth Movement by Udomsak Likitmongkolsakul, Pruittikorn Smithmaitrie, Bancha Samruajbenjakun, Juthatip Aksornmuang

“…Differences between the calculated tooth movement and clinical tooth movement ranged from 0.003 to 0.085 mm or 0.36 to 8.96%. …”
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What is the effectiveness of chitosan in promoting the healing of tooth extraction sockets? A systematic review by Fayyad Asawer Ahmed

Subjects: “…tooth socket…”
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Prevalence of tooth decay in deciduous and permanent teeth in a schoolchildren population: an epidemiological investigation by Silvia Fanelli, Letizia Lugli, Francesca Chiara De Razza, Francesca Gazzani, Saveria Loberto, Elisabetta Cretella Lombardo, Francesco Fabi, Arianna Malara

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Long-Term Follow-Up of a Revascularized Immature Necrotic Tooth Evaluated by CBCT by C. M. L. She, G. S. P. Cheung, C. F. Zhang

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Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator by Yaqi Jiang, Lizhong Xu

“…The effects of the mutual coupling parameters such as the swinging rod amplification coefficient and the eccentricity of the movable tooth on the output characteristics of the drive are investigated， and the optimal range of the key parameters is given. …”
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