抄録
The transmission comprises many machine elements. These machine elements demonstrate the function by lubricating under the good condition. The lubrication under this good condition is to sufficiently supply not deteriorating lubricating oil. The general transmission is used under the condition of oil bath. Therefore, the lubrication to each machine element is the splash lubrication by the gear. In addition, the primary cause of the degradation of lubricating oil is the decomposition of the additives by temperature rise of lubricating oil. Then, it becomes the importance that the lubricating oil of the splash is efficiently cooled. Therefore, it is important to know the behavior of the lubricating oil with the splash. However, the research of this field hardly has been done in present state. In this study, the fluid behavior which spur gear splashed was observed by the high speed camera, and the splash quantity was measured by using the splash collecting equipment.
