| 摘要 |
<p>PURPOSE:To make high accurate measurement possible of a test piece by vertically supporting its supporting shaft both ends by main and auxiliary shafts and pressing the auxiliary shaft, slidable in the axial direction, by a weight, in the case of a supporting device which supports a rotor of a brushless motor as the test piece. CONSTITUTION:A rotor 60 of a brushless motor, used as a test piece, is engage- supported to a pair of shafts 18, 30, opposedly arranged coaxially with a rotor shaft 62a, in both ends of the rotor shafts 62a vertically provided, and rotated with a main shaft 18 through a rotation transmitting means 33. Here, the auxiliary shaft 30 is supported rotatably and slidably in the axial direction by rotatably supporting the main shaft 18. In an upper end part of the auxiliary shaft 30, proper pressing force is given to both upper and lower ends of the rotor shaft 62a. A weight 42 is removably fitted to press the rotor 60, serving as the test piece, in the axial direction. In this way, the test piece can be high accurately measured by making its supporting shaft both ends supportable always by proper pressing force surely further in a stable condition.</p> |
