【正文】
ssing locating errors of ponents in VblockAbstract: The analysis and calculation of processing locating errors of ponents is an indispensable and important task in ponent design and manufacturing. Determination of the locating errors has direct influence on the quality, manufactureability, and cost, of the ponent. For better understanding and proper analysis and calculation of the locating errors, the author presents three methods in determination of processing locating errors of ponents in Vblock Vblock: conceptual method, constituent method of locating error, and differential method, puts forward the features and considerations in application of each method. Examples are also given for using these methods. Key words: Vblock, locating error, conceptual method, constituent method of locating error, differential method