| 摘要 |
This sectional hob is provided with: a cylindrical hob body; a plate-shaped blade having a saw toothed cutting blade, the blade being arranged in at least one mounting seat formed in an outside peripheral portion of the hob body and being arranged such that the direction of extension of the cutting blade is parallel to the center-axis direction of the hob body; and a plurality of wedge members which are installed along the center-axis direction in recesses formed so as to be adjacent, in the circumferential direction of the hob body, to the mounting seat in the outside peripheral portion of the hob body, the wedge members detachably fastening the blade to the hob body when the blade is arranged in the mounting seat. |
