COORDIANATE MEASURMENT SYSTEMS CMM AND CMA – CHARACTERISTC AND METHODS OF THEIR ACCURACY EVALUATION

The article presents the conception of coordinate measurement. The characteristic of two systems (Coordinate Measuring Machine – CMM and Coordinate Measuring Arm – CMA) which are based on this measurement is also shown. Further on their construction, working principle, application, advantages and disadvantages are described. Finally, the methods of accuracy evaluation of these devices are presented and compared.