A System for Measuring the End Run-Out of Bores on Box - Type Parts

The measuring system consists of three components : the measuring stick, the supporting frame and the microcomputer , and is aimed mainly for measuring the amount of run -out of end - face bores on box -type machine parts with an error not surpassing 2.5 microns . Cylindrical coordinate system is adopted , giving automatically an indication of the printed measuring results . A detailed description is given of the measuring principles and of the establishment .deduction and simplification of the mathematical model .In addition , the article gives an analysis of the measuring errors of the system . Practical applications proved that the device has attained high measuring precision and proved to be reliable in its service .