Gear shaft tooth groove and key groove position degree and shaft end circle run-out measurement method and system

The invention discloses a gear shaft tooth groove and key groove location degree and shaft end circle run-out measurement method and system, and belongs to the technical field of measurement. According to a gear shaft structure and measurement requirements, measurement items are determined, an engineering file containing overall information of a measurement system is created, and meanwhile a workpiece size measurement information model is created; carrying out parameter initialization on the measurement system based on the engineering file, starting an OPCUA server, loading a workpiece size measurement information model and carrying out equipment connection; according to a measurement mode set in an engineering file, static automatic threshold measurement, dynamic measurement or external trigger measurement is carried out based on a workpiece size measurement information model after equipment connection, and gear shaft tooth groove and key groove position degree measurement is completed through the static aut