Title:
HOBBING MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/224291
Kind Code:
A1
Abstract:
This hobbing machine maintains processing accuracy while shortening processing time, the hobbing machine including: a workpiece spindle device which applies rotation to a held workpiece; a hob driving device which rotates a hob cutter having an axis of rotation in a direction intersecting the axis of rotation of the workpiece, while moving the hob cutter in a direction along the axis of rotation of the workpiece; and a control device which controls the workpiece spindle device and the hob driving device, the control device changing the feed speed when moving the hob cutter relative to the hob driving device according to processing positions of the workpiece, such as a starting position where the hob cutter first makes contact with the workpiece, an intermediate position where the axis of rotation of the hob cutter overlaps the workpiece in a direction orthogonal to the axis of rotation, and an end position where the hob cutter separates from the workpiece, for example.
Inventors:
YANAGISAKI JUN (JP)
KUMAZAKI SHINYA (JP)
KUMAZAKI SHINYA (JP)
Application Number:
PCT/JP2021/015791
Publication Date:
October 27, 2022
Filing Date:
April 19, 2021
Export Citation:
Assignee:
FUJI CORP (JP)
International Classes:
B23F5/22; B23Q15/013; G05B19/416
Foreign References:
| JPS5771754A | 1982-05-04 | |||
| JPS5981017A | 1984-05-10 | |||
| JPS4846778A | 1973-07-03 | |||
| JPS51115379A | 1976-10-09 | |||
| JPS63156615A | 1988-06-29 | |||
| JPS5919630A | 1984-02-01 |
Attorney, Agent or Firm:
HIROTA Akihiro (JP)
Download PDF: