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The Experts below are selected from a list of 47334 Experts worldwide ranked by ideXlab platform

Lin Zhao - One of the best experts on this subject based on the ideXlab platform.

  • Virtual Machining of Spiral Bevel Gear Based on VERICUT
    Advanced Materials Research, 2011
    Co-Authors: Yong Wang, Lin Zhao
    Abstract:

    Spiral bevel gear milling machine is one typical representative of complex manufacturing equipments. In order to simulate spiral bevel gear cutting, a five-axis virtual CNC gear cutting machine under VERICUT software is established in this paper. Based on a spiral bevel gear generating theory, the surface forming of the spiral bevel gear is studied by using coordinate transformation method in spatial kinematics, and the G-code required by actual gear cutting is generated. Then, according to the properties of the general five-axis CNC system, the machine model and the Relevant Configuration parameters under VERICUT is created, so the spiral bevel gear virtual NC machining system is set up. Finally, the cutting simulation and crash examination are accomplished under VERICUT. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

  • NC Machining Simulation of Spiral Bevel Gear Based on VERICUT
    Applied Mechanics and Materials, 2011
    Co-Authors: Yong Wang, Tai Yong Wang, Jing Chuan Dong, Lin Zhao
    Abstract:

    Based on the traditional cradle-type spiral bevel gear machining theory, the mathematical model of tilt machining method for the pinion member of spiral bevel gear pair is created. Then, by applying coordinate transformation method from crade-type machine to CNC one, a five-axis virtual CNC machine model is established by VERICUT software. at the same time, the pinion cutting simulation is carried out under VERICUT according the properties of the general five-axis CNC system and the Relevant Configuration parameters. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

Yong Wang - One of the best experts on this subject based on the ideXlab platform.

  • The Research of the Epicycloids Bevel Gear Cutting Based on the Common Six-Axis Machine
    Advanced Materials Research, 2013
    Co-Authors: Yong Wang, Tai Yong Wang, Fu Xun Lin, Dong Wang
    Abstract:

    Based on the traditional cradle-type epicycloids bevel gear machining theory, the mathematical model of the epicycloids spiral bevel gear machining is created. Then, by applying coordinate transformation from the cradle-type machine to a CNC one, a six-axis virtual CNC machine model is established. At the same time, the gear cutting simulation is carried out under VERICUT according the properties of the general six-axis CNC and the Relevant Configuration parameters. By means of this method, the accuracy of the epicycloids bevel gear cutting system based on a general six-axis CNC can be well verified. Finally, a cutting experiment is conducted.

  • Virtual Machining of Spiral Bevel Gear Based on VERICUT
    Advanced Materials Research, 2011
    Co-Authors: Yong Wang, Lin Zhao
    Abstract:

    Spiral bevel gear milling machine is one typical representative of complex manufacturing equipments. In order to simulate spiral bevel gear cutting, a five-axis virtual CNC gear cutting machine under VERICUT software is established in this paper. Based on a spiral bevel gear generating theory, the surface forming of the spiral bevel gear is studied by using coordinate transformation method in spatial kinematics, and the G-code required by actual gear cutting is generated. Then, according to the properties of the general five-axis CNC system, the machine model and the Relevant Configuration parameters under VERICUT is created, so the spiral bevel gear virtual NC machining system is set up. Finally, the cutting simulation and crash examination are accomplished under VERICUT. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

  • NC Machining Simulation of Spiral Bevel Gear Based on VERICUT
    Applied Mechanics and Materials, 2011
    Co-Authors: Yong Wang, Tai Yong Wang, Jing Chuan Dong, Lin Zhao
    Abstract:

    Based on the traditional cradle-type spiral bevel gear machining theory, the mathematical model of tilt machining method for the pinion member of spiral bevel gear pair is created. Then, by applying coordinate transformation method from crade-type machine to CNC one, a five-axis virtual CNC machine model is established by VERICUT software. at the same time, the pinion cutting simulation is carried out under VERICUT according the properties of the general five-axis CNC system and the Relevant Configuration parameters. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

Christian Weckmüller - One of the best experts on this subject based on the ideXlab platform.

  • Advanced Numerical Methods For The Prediction Of Tonal Noise In Turbomachinery, Part I: Implicit Runge-Kutta Schemes
    Journal of Turbomachinery, 2013
    Co-Authors: Graham Ashcroft, Christian Frey, Kathrin Heitkamp, Christian Weckmüller
    Abstract:

    This is the first part of a series of two papers on unsteady CFD methods for the numerical simulation of aerodynamic noise generation and propagation. In this part, the stability, accuracy and efficiency of implicit Runge-Kutta schemes for the temporal integration of the compressible Navier-Stokes equations are investigated in the context of a CFD code for turbomachinery applications. Using two model academic problems, the properties of two Explicit first stage, Singly Diagonal Implicit Runge-Kutta (ESDIRK) schemes of second- and third-order accuracy are quantified and compared with more conventional second-order multi-step methods. Finally, to assess the ESDIRK schemes in the context of an industrially Relevant Configuration, the schemes are applied to predict the tonal noise generation and transmission in a modern high bypass ratio fan stage and comparisons with the corresponding experimental data are provided.

  • Advanced Numerical Methods for the Prediction of Tonal Noise in Turbomachinery: Part I—Implicit Runge Kutta Schemes
    Volume 8: Turbomachinery Parts A B and C, 2012
    Co-Authors: Graham Ashcroft, Christian Frey, Kathrin Heitkamp, Christian Weckmüller
    Abstract:

    This is the first part of a series of two papers on unsteady CFD methods for the numerical simulation of aerodynamic noise generation and propagation. In this part, the stability, accuracy and efficiency of implicit Runge-Kutta schemes for the temporal integration of the compressible Navier-Stokes equations are investigated in the context of a CFD code for turbomachinery applications. Using two model academic problems, the properties of two Explicit first stage, Singly Diagonal Implicit Runge-Kutta (ESDIRK) schemes of second- and third-order accuracy are quantified and compared with more conventional second-order multi-step methods. Finally, to assess the ESDIRK schemes in the context of an industrially Relevant Configuration, the schemes are applied to predict the tonal noise generation and transmission in a modern high bypass ratio fan stage and comparisons with the corresponding experimental data are provided.Copyright © 2012 by ASME

Graham Ashcroft - One of the best experts on this subject based on the ideXlab platform.

  • Advanced Numerical Methods For The Prediction Of Tonal Noise In Turbomachinery, Part I: Implicit Runge-Kutta Schemes
    Journal of Turbomachinery, 2013
    Co-Authors: Graham Ashcroft, Christian Frey, Kathrin Heitkamp, Christian Weckmüller
    Abstract:

    This is the first part of a series of two papers on unsteady CFD methods for the numerical simulation of aerodynamic noise generation and propagation. In this part, the stability, accuracy and efficiency of implicit Runge-Kutta schemes for the temporal integration of the compressible Navier-Stokes equations are investigated in the context of a CFD code for turbomachinery applications. Using two model academic problems, the properties of two Explicit first stage, Singly Diagonal Implicit Runge-Kutta (ESDIRK) schemes of second- and third-order accuracy are quantified and compared with more conventional second-order multi-step methods. Finally, to assess the ESDIRK schemes in the context of an industrially Relevant Configuration, the schemes are applied to predict the tonal noise generation and transmission in a modern high bypass ratio fan stage and comparisons with the corresponding experimental data are provided.

  • Advanced Numerical Methods for the Prediction of Tonal Noise in Turbomachinery: Part I—Implicit Runge Kutta Schemes
    Volume 8: Turbomachinery Parts A B and C, 2012
    Co-Authors: Graham Ashcroft, Christian Frey, Kathrin Heitkamp, Christian Weckmüller
    Abstract:

    This is the first part of a series of two papers on unsteady CFD methods for the numerical simulation of aerodynamic noise generation and propagation. In this part, the stability, accuracy and efficiency of implicit Runge-Kutta schemes for the temporal integration of the compressible Navier-Stokes equations are investigated in the context of a CFD code for turbomachinery applications. Using two model academic problems, the properties of two Explicit first stage, Singly Diagonal Implicit Runge-Kutta (ESDIRK) schemes of second- and third-order accuracy are quantified and compared with more conventional second-order multi-step methods. Finally, to assess the ESDIRK schemes in the context of an industrially Relevant Configuration, the schemes are applied to predict the tonal noise generation and transmission in a modern high bypass ratio fan stage and comparisons with the corresponding experimental data are provided.Copyright © 2012 by ASME

Tai Yong Wang - One of the best experts on this subject based on the ideXlab platform.

  • The Research of the Epicycloids Bevel Gear Cutting Based on the Common Six-Axis Machine
    Advanced Materials Research, 2013
    Co-Authors: Yong Wang, Tai Yong Wang, Fu Xun Lin, Dong Wang
    Abstract:

    Based on the traditional cradle-type epicycloids bevel gear machining theory, the mathematical model of the epicycloids spiral bevel gear machining is created. Then, by applying coordinate transformation from the cradle-type machine to a CNC one, a six-axis virtual CNC machine model is established. At the same time, the gear cutting simulation is carried out under VERICUT according the properties of the general six-axis CNC and the Relevant Configuration parameters. By means of this method, the accuracy of the epicycloids bevel gear cutting system based on a general six-axis CNC can be well verified. Finally, a cutting experiment is conducted.

  • NC Machining Simulation of Spiral Bevel Gear Based on VERICUT
    Applied Mechanics and Materials, 2011
    Co-Authors: Yong Wang, Tai Yong Wang, Jing Chuan Dong, Lin Zhao
    Abstract:

    Based on the traditional cradle-type spiral bevel gear machining theory, the mathematical model of tilt machining method for the pinion member of spiral bevel gear pair is created. Then, by applying coordinate transformation method from crade-type machine to CNC one, a five-axis virtual CNC machine model is established by VERICUT software. at the same time, the pinion cutting simulation is carried out under VERICUT according the properties of the general five-axis CNC system and the Relevant Configuration parameters. By using this method, the accuracy of the bevel gear cutting system based on a general five-axis CNC can be well verified.

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