| 摘要 |
PROBLEM TO BE SOLVED: To provide a ring-shaped work-piece cleaning apparatus which eliminates the need of cooling a work-piece and is environment-friendly regardless of improvement in cleaning performance.SOLUTION: A cleaning apparatus comprises a liquid jet device, an ultrasonic cleaning device and a transport device. The liquid jet device jet-sprays cleaning liquid to the whole circumference in a circumferential direction of a bearing ring with a high-pressure cleaning part 1. The ultrasonic cleaning device cleans the bearing ring located in a water tank 29 using an ultrasonic wave with an ultrasonic cleaning part 2. The transport device transports the bearing ring after the high-pressure cleaning to the start position of the ultrasonic cleaning. |
