Title:
スクリューロータの製造方法
Document Type and Number:
Japanese Patent JP7417139
Kind Code:
B2
Abstract:
Helical grooves (40) in this screw rotor (30) are divided into first portions (41) including end sections on a first-end (31) side of a workpiece (35), and second portions (42) including end sections on a second-end (32) side of the workpiece (35). The first end (31) of the workpiece (35) is received by a holding part (61) of a machine tool (60), and the first portions (41) of the helical grooves (40) are finished using a cutting process. The workpiece (35) is then temporarily removed form the holding part (61), and the second end (32) of the workpiece (35) is received by the holding part (61). In this state, the second portions (42) of the helical grooves (40) are finished using a cutting process.
More Like This:
| JPS6316914 | CUTTER |
Inventors:
Tadashi Okada
Application Number:
JP2022051247A
Publication Date:
January 18, 2024
Filing Date:
March 28, 2022
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
B23C3/32; B23Q17/20; F04C18/16; F04C25/02
Domestic Patent References:
| JP2009281181A |
Foreign References:
| WO2004089569A1 | ||||
| US6122824 |
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office