A balancing shaft is a group, which is composed of a balancing shaft body and a balancing shaft weight. The balancing shaft is connected with a crankshaft by a balancing screw coupler. And the balancing shaft weight is connected with the balancing shaft body by a fixed joint.

Figure 1 Balancing Shaft
Terminology
•Reference Parametric Marker
•Length of Balancing shaft body
•Diameter of Balancing shaft body
•Axial Distance of Balancing shaft weight
•Radial Distance of Balancing shaft weight
•Angle of Balancing shaft weight
•Diameter of Balancing shaft weight