Title:
研削ホイールの着脱治具
Document Type and Number:
Japanese Patent JP7260961
Kind Code:
B2
Abstract:
To provide an attachment/detachment jig which can prevent a grinding wheel from rotating in the jig when the grinding wheel is attached to a mount to prevent attachment work from becoming troublesome.SOLUTION: An attachment/detachment jig 6 is used in a grinding device 1 in which grinding means 7 comprises a spindle 70, a mount 73 arranged at a lower end of the spindle 70 and a grinding wheel 74 to be attached to a lower surface of the mount 73, and the grinding wheel 74 is constituted of a wheel base 741, a grindstone 740 to be attached to a lower surface of the wheel base 741 and a grinding water supply port 743 arranged concentrically inside a grindstone attachment part 741b, and the wheel base 741 is attached to a lower surface of the mount 73 by a bolt 79, which comprises a bottom plate 60, a support part 61, arranged at the bottom plate 60, which supports a region closer to inside than a grindstone attachment part 741b on the lower surface of the wheel base 741 and pins 62 arranged at the support part 61 on a circumference having the same diameter as a diameter of a circumference in which a supply port 743 is arranged to oppose to the supply port 743 of the wheel base 741 supported by the support part 61.SELECTED DRAWING: Figure 2
Inventors:
Peng Wei
Liu Zhiyong
Liu Zhiyong
Application Number:
JP2018067878A
Publication Date:
April 19, 2023
Filing Date:
March 30, 2018
Export Citation:
Assignee:
Disco Co., Ltd.
International Classes:
B24B45/00; B24B7/04; B24D7/06; H01L21/304
Domestic Patent References:
| JP2011121128A | ||||
| JP2009269132A | ||||
| JP2008207277A | ||||
| JP6170674A |
Foreign References:
| US20060121840 |
Attorney, Agent or Firm:
Patent Attorney Corporation Tokyo Alpa Patent Office