Linear actuator precision testing device and testing method

The invention relates to a linear actuator precision testing device and method, the device is connected with a linear actuator to be tested, and the testing device comprises a bottom plate module, a driven end module, a nut seat module, a driving end module, a grating ruler module and a driving control module, the driven end module, the nut seat module and the driving end module are installed on the bottom plate module, the grating ruler module is installed on the nut seat module, and the driving control module is connected with the grating ruler module and a linear actuator to be tested. Compared with the prior art, the device has the advantages that the linear precision test and the rotation precision test of the linear motor and the micro electric cylinder are simultaneously realized, and the like. 本发明涉及一种线性执行器精度测试装置及测试方法，该装置与待测试的线性执行器连接，所述测试装置包括底板模块、从动端模块、螺母座模块、驱动端模块、光栅尺模块和驱动控制模块，所述从动端模块、螺母座模块、驱动端模块安装在底板模块上，所述光栅尺模块安装在螺母座模块上，所述驱动控制模块分别与光栅尺模块和待测试的线性执行器连接。与现有技术相比，本发明具有同时实现了直线电机和微型电缸的线性精度测试和旋转精度测试等优点。