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叶片是各类叶片式油泵、油马达中的关键零件,尺寸小,几何精度、光洁度、形位公差要求都较高,如两端面的平行度及其对工作面的垂直度均不大于0.01毫米(见图1)。若叶片的垂直度不好,则会引起内漏,降低容积效率,或刮伤配油盘,减短使用寿命,甚至使元件破坏,不能工作。通常我们使用刀形直角尺和工具显微镜测量垂直度,但前者不能测得偏差数值,后者需调整、计算,手续繁琐且精度低。为此,我们制作了一台叶
Blade is a variety of vane pumps, oil motor key components, small size, geometric accuracy, finish, shape and position tolerances are higher, such as the parallelism of both ends of the surface and its verticality is not greater than 0.01 mm (see picture 1). If the blade’s verticality is not good, it will cause internal leakage, reduce the volumetric efficiency, or scratch with oil pan, shorten the service life, or even damage the components, can not work. Usually we use the knife-shaped square and tool microscope verticality measurement, but the former can not measure the value of the deviation, the latter need to adjust, calculation, procedures cumbersome and low accuracy. To this end, we made a leaf