In order to realize the parametric design of the conjugate cam weft insertion mechanism,according to the necessary parameters of weft insertion process,ideal kinematic curves of the weft insertion mechanism were given...In order to realize the parametric design of the conjugate cam weft insertion mechanism,according to the necessary parameters of weft insertion process,ideal kinematic curves of the weft insertion mechanism were given,and the mathematical model of reverse solution for this mechanism was established.The parameters of this mechanism were obtained by reverse solution on the basis of the given ideal kinematic curves and kinematic requirements.The parametric design platform which was integrated with the functions of parametric reverse solution,motion simulation,three-dimensional modeling and virtual assembly was developed based on VB.NET and Unigraphics(UG) NX.After entering the technological parameters of weft insertion process and essential structural parameters by users,three-dimensional drawing of the main parts such as the conjugate cam and shaft,can be obtained by this platform,also the processing data of the cam can be calculated.This platform provides a rapid approach for parametric design of weft insertion mechanism.展开更多
铸模是轮毂挤压铸造的前提,其质量、多样性、开发周期对轮毂与市场竞争力有直接的影响。为实现轮毂铸模的先进制造,给出了一种模具CAD/CAM方案。并以UG NX模具设计为例,利用Progressive Die Wizard零件库和NC代码生成,快速开发与制造轮...铸模是轮毂挤压铸造的前提,其质量、多样性、开发周期对轮毂与市场竞争力有直接的影响。为实现轮毂铸模的先进制造,给出了一种模具CAD/CAM方案。并以UG NX模具设计为例,利用Progressive Die Wizard零件库和NC代码生成,快速开发与制造轮毂铸模。结果表明:该方案能实现铸模的快速开发与制造。展开更多
基金National Natural Science Foundation of China (No.50875243)Natural Science Foundation of Zhejiang Province,China (No.Y1110100)
文摘In order to realize the parametric design of the conjugate cam weft insertion mechanism,according to the necessary parameters of weft insertion process,ideal kinematic curves of the weft insertion mechanism were given,and the mathematical model of reverse solution for this mechanism was established.The parameters of this mechanism were obtained by reverse solution on the basis of the given ideal kinematic curves and kinematic requirements.The parametric design platform which was integrated with the functions of parametric reverse solution,motion simulation,three-dimensional modeling and virtual assembly was developed based on VB.NET and Unigraphics(UG) NX.After entering the technological parameters of weft insertion process and essential structural parameters by users,three-dimensional drawing of the main parts such as the conjugate cam and shaft,can be obtained by this platform,also the processing data of the cam can be calculated.This platform provides a rapid approach for parametric design of weft insertion mechanism.
文摘铸模是轮毂挤压铸造的前提,其质量、多样性、开发周期对轮毂与市场竞争力有直接的影响。为实现轮毂铸模的先进制造,给出了一种模具CAD/CAM方案。并以UG NX模具设计为例,利用Progressive Die Wizard零件库和NC代码生成,快速开发与制造轮毂铸模。结果表明:该方案能实现铸模的快速开发与制造。
