Ordinary single-column vertical lathe cutting accuracy test is a comprehensive accuracy test, cutting accuracy not only reflects the machine's geometric accuracy and positioning accuracy, but also includes the specimen material, ambient temperature, tool performance and cutting conditions and other factors errors caused by errors and measurement errors.The cutting accuracy test may be in accordance with the relevant standards, but also according to the conditions specified by the machine tool factory, such as specimen materials, tool technical requirements, spindle speed, feed rate, ambient temperature and cutting machine before the empty run time.