Application of solidworks in the process of static balancing during the design of geometric parameters of the crankshaft design
DOI:
https://doi.org/10.31471/1993-9965-2026-1(60)-61-73Keywords:
static balancing, crankshaft, SolidWorks, SolidWorks Motion, design automation, CAD modeling, imbalance, center of mass, counterweight, geometric parameters, SolidWorks macros, 3D modeling, engineering analysis, dynamics of rotating systems, mechanical engineering, computer modeling, design optimization, vibrations, crankshaft design, balancing of rotating systems.Abstract
The paper considers the solution of an actual scientific and technical problem, namely the creation of a methodology for static balancing of complex rotating systems using the example of the process of designing the structural parameters of crankshafts with the help of the SolidWorks software product, which makes it possible to speed up the process of static balancing even in the design process, increases the accuracy of the process and reduces the time for conducting final experimental studies on the choice of mass and place of application of the counterweight. The sequence of actions during the implementation of the methodology of static balancing of the crankshaft in the design process is proposed. SolidWorks Motion graphically visualized the trajectory of the central point of the diameter of the root neck of the crankshaft during rotation, both unbalanced and balanced, in SolidWorks Motion. From the obtained trajectory of the movement of the central point of the diameter of the root neck of the unbalanced crankshaft, it was established that the beating at the extreme points is 0.103 mm, which indicates the need to establish a counterweight to eliminate the imbalance. To increase the accuracy and speed of the crankshaft balancing process in the SolidWorks environment, a special macro has been developed that automates the main stages of determining the mass and location of the counterweight. The program automatically reads the mass characteristics of the part, determines the displacement of the center of mass relative to the axis of rotation, calculates the required mass of the counterweight, forms a sketch of its geometry and creates a three-dimensional model of the counterweight with the provided structural fastening elements. This makes it possible to obtain a finally statically balanced crankshaft model ready for further analysis or fabrication.
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