Honing head and honing method using this honing head

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a honing head and a honing processing method using the honing head which can cope with one honing head even when the axial lengths of the workpieces are different. The grinding wheels 11a and 11b are arranged at equal intervals in the circumferential direction. ), One of the three grindstones 11b is movable up and down. For machining a cylinder bore with a short cylinder length, three grindstones 11b are placed at the bottom, and all six grindstones 11a and 11b are positioned in the same position as the axial direction. Three grindstones 11b are placed on top.