Dressing Method and Experiment of the Worm Grinding Wheel Tooth Profile based on the General Diamond Wheel by Yang Jianjun, Zhang Huiling, Tian Shuai, Liu Wei

“…While generating grinding the modification cylindrical gear,the special diamond wheel is used as a tool to dress the tooth profile of worm grinding usually.The diamond wheel is selected according to the different modification parameters of gear.The diamond wheel with arch edge is used as dressing tool for worm grinding wheels with different profile parameters.The dressing route of the diamond wheel is planned.The machine tool model for dressing worm grinding wheel is established in VERICUT,and the dressing simulation is proceeded also.In the end,the grinding experiments of modification gear and the gear surface measurement are carried out,which illustrated that the dressing method for worm grinding wheel is correct and feasible.…”
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Comprehensive Error Modeling and Analysis of Face Gear NC Grinding Machine based on Multi-body System Theory by Ming Xingzu, Wang Wei, Zhao Lei, Li Mande

“…By using the theory of multi-body system and Denavit-Hartenberg homogeneous coordinate transformation,the geometric error and thermal error of face gear NC grinding machine is analyzed.According to the principle of face gear meshing and production mechanism of the grinding error,the mathematic model of comprehensive error contains geometric error and thermal error of the face gear NC grinding machine tool is established.Based on the little error assumption and using Matlab software,the error expression which contains six degrees of freedom is got,additionally,the relationship between the six degrees of freedom and six errors which produced by the grinding wheel spindle movement is analyzed and validated.The basis for improve the machining accuracy of gear and error modeling is provided.…”
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Composite Rolling Test Control Method of Gear and Software by Guo Xiaodong, Zhang Hongli, Zhang Weiqing, Wang Ge, Huang Gang

“…The complement software is developed,which is applied on YKZ9932 machine manufactured by Tianjin No. 1 Machine Tool Works. According to the test result,the gear transmission quality is reflected more systematically by using this new method.…”
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Modeling and Finite Element Analysis of Hypoid Gear Cutting by Completed Method by Lin Xi

“…The pinion tooth surface equation can be derived based on the coordinates transformation and spatial meshing theory. According to machine-tool settings of Gleason’s summary,the high-precision solid model of gear pairs can be established by the cutting simulation of the generated motion between cutter and blank in CATIA software package. …”
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Development and Application of OoW Equipment for Gear Hobbing by Zhang Fujiang, Li Zhongshan, Cui Weiwei

“…The product application results show that： the MQL of gear hobbing has excellent properties such as reducing machining oil fume, improving tool life, expanding the machining modulus range of dry cutting machine tool and reducing carbon dioxide emission. It is of great significance to upgrade the traditional gear industry, develop new types of near dry cutting machine tools, and build green factories.…”
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Simulation of Double Circular Arc Profile Spiral Bevel Gear Form Grinding Machining based on VERICUT by He Zhiwei, Duan Jianzhong, Li Youzhi

“…The feasibility of machining double circular arc profile spiral bevel gear by numerical control forming grinding method is verified by VERICUT machining simulation.The tool path of the bevel gear and the tooth surface equation of the circular arc profile spiral bevel gear are studied，the axial cutting shape of the forming grinding wheel is obtained by the contact condition formula of the grinding surface and the tooth surface of the grinding wheel.Then，the selection criteria of the number of axes of the CNC forming gear grinding machine are proposed，and the models of the machine tool，forming grinding wheel and blank are established in VERICUT.Finally，the machining simulation of the double circular arc profile spiral bevel gear proves that the CNC forming grinding method can be used to process such gears，technical support for the application of CNC forming grinding on bevel gears.…”
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Design and Development of High Speed Dry Cutting Database for Spiral Bevel Gear by Zhang Yu, Yan Hongzhi, Zeng Tao

“…The spiral bevel gear have the characteristics of design and processing parameters complexity.On the basis of a lot of high speed dry cutting technology parameters of the spiral bevel gear are collected and evaluated,based on the Microsoft SQL Server 2008 database development platform,the high speed dry cutting technology parameters database for spiral bevel gear is established and these parameters included machine tool,cutting tool,fixture,workpiece,and machining. …”
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Tooth Contact Analysis of Straight Bevel Gears Machined with Concave Cutters by Wang Zhiyong, Zhang Zhu, Duan Zhihong, Zhang Yu

“…In order to use the concave cutter to process the straight bevel gear on the domestic CNC spiral bevel gear machine tool, the principle of using the concave cutter to process the straight bevel gear and the TCA method of tooth surface contact analysis are studied. …”
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Discussing the Cutting Method of Skew Bevel Bear based on the Tooth Surface Generating Line by Baichao Wang, Xianting Lu, Litong Zhang, Zhenquan Xu, Xue Zhang

“…The tooth surface cutting is realized by the way of three-axis linkage of machine tool. The device for cutting test of skew bevel gear is designed and the correctness and feasibility of the method are verified by cutting test.…”
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Orientational Capability Analysis of a 2UPR-SPR Parallel Manipulator by Che Linxian, Zhang Rong, Zhang Caifang, Wang Taofen

“…The parallel module of Exechon machine tool is developed based on the 3 degree-of-freedom (DOF) 2UPR-SPR mechanism, which is a parallel spindle head with two rotational (orientational) DOFs and one translational DOF. …”
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Simulation and Error Analysis of Non-orthogonal Face Gear Shaping by Zhao Ning, Jin Yongxian

“…First of all， the tooth surface equation of non-orthogonal face gear including machining error is deduceed based on the theory of gearing， and the coordinates of points of tooth surface is calculated by using the Matlab. Then， the machine tool model， cutter and gear billet are built in SolidWorks， and import them into VERICUT， the CNC program is written， the processing simulation is carried out， and comparing the processed model with the theoretical model， the correctness of NC shaping of face gear is verified. …”
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Research of the Plunge Milling for Face Gear by Tang Jinyuan, Yang Xiaoyu

“…Study the face gear machining method by using the plunge milling processing,according to the face gear slotting processing principle and gear engagement principle,a plunging processing method with multi group envelops processing is proposed.Based on the concept of virtual copying of plunge milling cutter to the gear shaper tool,the rotation relation between the gear shaper cutter tooth surface equation,contour surface equation and cutting tool and the face gear moving coordinate system are deduced,and the spur face-gear is processed through multi group envelops.The mathematical formula of the plug mill copying the of the profile of gear shaper cutter and the based on gear shaper cutter and the machine tool structure are given.According to numerical control manufacturing techniques,the NC code based on face gear machined equation is obtained.It is imported into VERICUT to simulate and process.Through the contrasting between simulation and theoretical tooth surface,the feasibility of the proposed method is proved.The proposed method is a new rough machining method for face gear numerical control plunge milling processing,it has great reference value for face gear manufacturing.…”
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Dynamic Modeling and Simulation of a Super-High-Speed Circumferential-Flux Hysteresis Motor by A. Halvaei Niasar, M. Zare, H. Moghbelli

“…There is an interest in super-high-speed motors in industry applications such as gyroscope, micro gas turbines, centrifuge, machine tool spindle drives, and information storage disk drives. …”
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On the Free Vibration Modeling of Spindle Systems: A Calibrated Dynamic Stiffness Matrix by Omar Gaber, Seyed M. Hashemi

“…The effect of bearings on the vibrational behavior of machine tool spindles is investigated. This is done through the development of a calibrated dynamic stiffness matrix (CDSM) method, where the bearings flexibility is represented by massless linear spring elements with tuneable stiffness. …”
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Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics by Yu He, Xiaolong Zhou, Ping Zou, Kun Liu

“…In this paper, a complex helicoids’ drill tip of “S” type chisel edge grinded with a three-parallel universal CNC grinding machine tool is carefully studied to obtain the optimum drill bit tip geometry parameters. …”
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NUMERICAL CONTROL MILLING PARAMETER OPTIMIZATION ON THE BASIS OF IMPROVED GENETIC ALGORITHM by YAN ShengLi, FU Hui, LI Hao

“…The DMU125 P five-axis CNC machine tool combined with Matlab 2020 was used to complete the comparison experiment of processing parameters, quality and system steady-state. …”
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Contact Simulation and Dynamic Performance Test of Ease-off Modified High Reduction Hypoid Gears by Gu Dewan, Wei Bingyang, Ren Minghui, He Hongtu

“…Aiming at the problems of insufficient curvature of the tooth profile of the wheel of the high reduction hypoid (HRH) gear, and high twist of the tooth surface of the pinion with a large helix angle, a method of using a tool to modify the wheel to realize the point contact of the tooth surface is proposed; the pinion adopts the general hobbing method, which simplifies the machining parameters of the machine tool. Three-dimensional models of wheels and pinions and Ease-off topological surfaces are established; the contact performance parameters of tooth surfaces, such as the contact path, differential curvatures, transmission error, etc. are analyzed. …”
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Design and Characteristic Research of the Spindle Box of Vertical Machining Center by Gao Dongqiang, Yang Lei, Sun Qian, Zhang Xifeng

“…Headstock is the key components of the high speed vertical machining center,its static stiffness,dynamic characteristics has great effect on machining precision and stability of machining center.Taking DVG850 high speed vertical machining center spindle box as the research object,the design scheme of geometrical model of four kinds of different structure of spindle box is established,by using the finite element simulation software,the simulating calculation of the statics,modal and harmonic response of the spindle box are carried out,the resonance region of spindle box under static stiffness,natural frequency,vibration mode and the excitation frequency are got.Through the comparison analysis of finite element simulation of cloud and data,known that scheme two rib structure is the best layout,it is indicated that the research method can be to improve the spindle box structure natural frequency and increase the structure stiffness.provides the basis for avoiding resonance,for other machine tool spindle box the theory basis for optimization of structural design and improvement is provided,the design cycle can be shorten.…”
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Simulation and Experimental Research on Tooth Power Skiving Cutting of Double-circular-arc Internal Gears by Wang Feng, Yang Shufeng, Xu Wenbo, Zhang Weijie, Yu Wentao

“…Using a six-axis CNC machine tool, the power skiving of double-circular-arc internal gears is completed, and the tooth alignment accuracy detection meet the design requirements. …”
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Multi-response optimization of CuZn39Pb3 brass alloy turning by implementing Grey Wolf algorithm by Nikolaos Fountas, Angelos Koutsomichalis, John D. Kechagias, Nikolaos M. Vaxevanidis

“…Knowledge of the cutting forces is needed for estimation of power requirements and for the design of machine tool elements, tool-holders and fixtures, adequately rigid and free from vibration. …”
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