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一、检定装置研制由于外径千分尺检定工作量大、面广,因此,采用手工旋转方式进行千分尺检定,极大地增加了劳动强度和检定时间。针对目前外径千分尺的检定存在检定时间长、检定人员劳动强度大等问题,笔者研制了一种电动式检定外径千分尺测微头示值误差的快速检测设备(见图1)。该设备由机壳(内置有电机、齿轮箱、电池)、夹具、挡位开关、保护罩等主要部件构成。下面主要介绍动力机构、夹具、快速装卸机构和转换开关等部件。
First, the test device development Due to the large diameter micrometer test, a wide range, therefore, the use of manual rotation micrometer test, which greatly increased the labor intensity and test time. Aiming at the problems of long calibration time and large labor intensity of testing staff, the author developed a rapid testing equipment for testing the indication error of micrometer head with OD micrometer. The device consists of chassis (built-in motor, gear box, battery), fixtures, gear switches, protective cover and other major components. The following describes the power unit, fixtures, quick loading and unloading agencies and switches and other components.