基于FANUC PMI-A数控系统,用于伺服冲压线同步控制,介绍了伺服冲压线中伺服压力机和机械手的结构。详细叙述了其在伺服冲压线同步控制中所用到的电子凸轮(electronic CAM)和单元间同步(inter unit synchronization)功能的概念、系统参...基于FANUC PMI-A数控系统,用于伺服冲压线同步控制,介绍了伺服冲压线中伺服压力机和机械手的结构。详细叙述了其在伺服冲压线同步控制中所用到的电子凸轮(electronic CAM)和单元间同步(inter unit synchronization)功能的概念、系统参数配置及编程实现方法。通过冲压设备实际控制效果,说明了应用该功能可以实现伺服冲压线的精确同步控制及整线高节拍运行。展开更多
In order to solve the problem of pressure shock on the continuous rotary electro-hydraulic servo motor,the mathematical models of pressure gradient under the structure of pre-compressed chamber and U-shaped groove wer...In order to solve the problem of pressure shock on the continuous rotary electro-hydraulic servo motor,the mathematical models of pressure gradient under the structure of pre-compressed chamber and U-shaped groove were established.The optimal structure dimensions of the pre-compressed chamber and the U-shaped groove were determined.The fluid models were established by Solidworks under the four structures of triangular groove,triangular groove with pre-compression chamber,U-shaped groove and U-shaped groove with pre-compression chamber.Simulation analysis of depressurization process of fluid models was performed based on FLUENT.The pressure nephograms of different buffer structures were compared and analyzed,and the pressure change curves and pressure gradient change curves in the process of depressurization were obtained.The results show that the optimal edge length of the pre-compressed chamber of continuous rotary electro-hydraulic servo motor is 20 mm in the process of decompression.The pressure reduction effect is the best when the width of the U-shaped groove is 1.5 mm and the depth is 1.65 mm.The U-shaped groove structure with pre-compression chamber is more conducive to alleviate the pressure shock phenomenon of the motor compared with different combine buffer structures.展开更多
文摘基于FANUC PMI-A数控系统,用于伺服冲压线同步控制,介绍了伺服冲压线中伺服压力机和机械手的结构。详细叙述了其在伺服冲压线同步控制中所用到的电子凸轮(electronic CAM)和单元间同步(inter unit synchronization)功能的概念、系统参数配置及编程实现方法。通过冲压设备实际控制效果,说明了应用该功能可以实现伺服冲压线的精确同步控制及整线高节拍运行。
基金Project(51975164)supported by the National Natural Science Foundation of ChinaProject(201908230358)supported by the China Scholarship CouncilProject(2019-KYYWF-0205)supported by the Fundamental Research Foundation for Universities of Heilongjiang Province,China。
文摘In order to solve the problem of pressure shock on the continuous rotary electro-hydraulic servo motor,the mathematical models of pressure gradient under the structure of pre-compressed chamber and U-shaped groove were established.The optimal structure dimensions of the pre-compressed chamber and the U-shaped groove were determined.The fluid models were established by Solidworks under the four structures of triangular groove,triangular groove with pre-compression chamber,U-shaped groove and U-shaped groove with pre-compression chamber.Simulation analysis of depressurization process of fluid models was performed based on FLUENT.The pressure nephograms of different buffer structures were compared and analyzed,and the pressure change curves and pressure gradient change curves in the process of depressurization were obtained.The results show that the optimal edge length of the pre-compressed chamber of continuous rotary electro-hydraulic servo motor is 20 mm in the process of decompression.The pressure reduction effect is the best when the width of the U-shaped groove is 1.5 mm and the depth is 1.65 mm.The U-shaped groove structure with pre-compression chamber is more conducive to alleviate the pressure shock phenomenon of the motor compared with different combine buffer structures.