| 摘要 |
PURPOSE: A mixer is provided to increase grinding areas and grinding numbers per rotation by varying the speed ratio of each blade and to increase stirring effect by implementing a grinding operation during a stirring process. CONSTITUTION: An electric power part is prepared. A driving part implements revolution and rotation based on a bear box(122) composed of planetary gears(126, 128) and a center gear(124). A mixing part(130) is arranged at the lower side of the driving part. A first blade(214) implements revolution and rotation in the mixing part based on a first driving shaft(212) and stirs target materials. A second blade(224) implements revolution and rotation in the mixing part based on a second driving shaft and stirs the target materials. The rotation traces of the first blade and the second blade are partially overlapped.
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