BALANCING MACHINE

摘要

The present invention relates to a balancing machine capable of increasing the reliability of a test by removing heat caused by the spinning of a spinning body and preventing the spinning body from being deformed, and more specifically, to a balancing machine including a rotation axis having a flow path through which cooling gases flow inside; a spinning body inserted into the rotation axis to spin and cooled by the cooling gases flowing through the flow path; a driving unit connected to the rotation axis or the spinning body to apply power to spin; and a testing unit detecting the rotation frequency of the spinning body for testing the unbalanced status of the spinning body, while the flow path has a first cooling flow path, which is formed within the rotation axis in the lengthwise direction of the rotation axis, and second cooling paths, which extend from the first cooling flow path to the external surface of the rotation axis and at least one of which is formed on a virtual plane expanding from one end of the spinning body so as to shoot the cooling gases to the one end of the spinning body. [Reference numerals] (130) Driving unit; (140) Testing unit