Title:
PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2023087154
Kind Code:
A
Abstract:
To provide a processing device that can fasten a nut with sufficient torque in a short time.SOLUTION: A processing device 2 positively rotates a nut holding part 114 at a first rotation speed to screw a nut 64 to a male screw 58a of a boss part 58, reversely rotates the nut holding part 114 when torque reaches a threshold, then positively rotates the nut holding part 114 at a second rotation speed lower than the first rotation speed to screw the nut 64 to the male screw 58a of the boss part 58, and stops the screwing of the nut 64 thereto to complete fastening thereof when the torque reaches the threshold.SELECTED DRAWING: Figure 23
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Inventors:
MATSUOKA SHINTARO
Application Number:
JP2021201375A
Publication Date:
June 23, 2023
Filing Date:
December 13, 2021
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B24B45/00; B24B27/06; H01L21/301
Attorney, Agent or Firm:
Naozumi Ono
Sachiko Okunuki
Tsuyoshi Tsukano
Yoshifumi Kaneko
Sachiko Okunuki
Tsuyoshi Tsukano
Yoshifumi Kaneko