Abstract
Precision reducers used in aerospace servo mechanisms often have the characteristics of high accuracy and strong bearing capacity due to the particularity of their working environment. Transmission error, as an important parameter affecting the accuracy of precision reducer, is different from ordinary reducers, and often requires that its maximum transmission error can be effectively controlled within 3’. In order to efficiently test the accuracy of the reducer, this paper designed a set of test devices for the accuracy measurement of the reducer of the aerospace servo mechanism, and now conducts a systematic error analysis of the overall test device, determines the error range, and finally, the uncertainty is integrated to confirm that the error meets the design requirements.
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