Title:
CUTTING DEVICE
Document Type and Number:
Japanese Patent JP2023162701
Kind Code:
A
Abstract:
To prevent incorrect attachment of a component during replacement of a cutting blade to enable a first cutting unit and a second cutting unit to cut a workpiece in a normal and accurate manner.SOLUTION: A cutting device 1 includes: a first cutting unit 10 having a first fixed flange 12 having a first boss part 121, a first pressing flange 13, and a first fixed nut 14; and a second cutting unit 20 having a second fixed flange 22 having a second boss part 221, a second pressing flange 23, and a second fixed nut 24. Outer diameters φD1, φD2 of tips of the first boss part 121 and the second boss part 221 are set in sizes different from each other. An inner diameter φd1 of an attachment hole 131 of the first pressing flange 13 and a female screw 141 of the first fixed nut 14 is set in a size such that the components can be attached to the first boss part 121. An inner diameter φd2 of an attachment hole 231 of the second pressing flange 23 and a female screw 241 of the second fixed nut 24 are set in a size such that the components may be attached to the second boss part 221.SELECTED DRAWING: Figure 2
Inventors:
UMAJI RYOGO
Application Number:
JP2022073258A
Publication Date:
November 09, 2023
Filing Date:
April 27, 2022
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B23B31/02; B24B45/00; B24B27/06; H01L21/301
Attorney, Agent or Firm:
Patent Attorney Corporation Tokyo Alpa Patent Office