| 摘要 |
PROBLEM TO BE SOLVED: To provide a dimple processing method which can reduce costs and can alleviate a work burden more than before, and can completely eliminate an anxiety that particles remain.SOLUTION: Related to a dimple processing method for forming a large number of minute dimples conforming to formation-scheduled positions of minute dimples of an internal peripheral face of a cylinder bore 3 of a reciprocation engine 1, a dimple forming varnishing processor 4 is descended into the cylinder bore 3, the varnishing processor 4 side is rotated with an axial core of the cylinder bore 3 as a center while pressing a processing part 11 of the varnishing processor 4 to the internal peripheral face of the cylinder bore 3, and the minute dimples are formed by intermittently elastically deforming the internal peripheral face of the cylinder bore 3. |
