| 摘要 |
<p>PURPOSE: A band sawing machine having a speed control function is provided to reduce operating noise because a drive wheel connected to a band saw is directly connected to a speed reducer and a motor. CONSTITUTION: A band sawing machine having a speed control function comprises a driven wheel(100), a drive wheel(300), a driving part(500), and a frequency control part. The driven wheel is installed in a main body. The drive wheel is installed inside the main body in order to drive a band saw(350) mounted on the driven wheel. The driving part provides power to the drive wheel to rotate. The frequency control part changes the frequency of the driving part to control the speed of rotation of the drive wheel.</p> |
