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See Chinese contents: JB/T 9752.3-2014 JB/T 9752.3-2014: Turbochargers - Part 3: Balance quality requirements and check methods of rotors
This Part of JB/T 9752 specifies the rotor balance quality grade, the calculation and verification method of the unbalance distribution on the two correction planes, the balance limit of the core rotor assembly, the marking method on the drawing, of the turbocharger (hereinafter referred to as the supercharger). This Part describes the dynamic balancing of single-piece and core rotor assembly for various types of supercharger rotors.
