BS ISO 21940-21:2012現行
Mechanical vibration. Rotor balancing. Description and evaluation of balancing machines
出版：British Standards Institution
專家解讀視頻
Describes requirements for evaluating the performance of machines for balancing rotating components by the following tests: a) test for minimum achievable residual unbalance, U[mar] test; b) test for unbalance reduction ratio, URR test; c) test for couple unbalance interference on single-plane machines; d) compensator test.
? British Standards Institution 2013
ISO 21940-21:2012 - Identical
ISO 21940-21 : 2012(R2019) - Identical
ISO 21940-21 : 2012(R2019) - Identical
