Title:
インペラの製造方法
Document Type and Number:
Japanese Patent JP7390230
Kind Code:
B2
Abstract:
A manufacturing method of an impeller, the manufacturing method includes: a step of forming an impeller shaped body in which a disc component part constituting a part of the disc, a blade component part constituting a part of the blade, and a cover component part constituting a part of the cover are integrated by laminating a metal layer to extend toward an outer side in a radial direction with respect to the axis by an additive manufacturing method using a metal powder; and a step of grinding the impeller shaped body, in which the steps are repeated a plurality of times, and the step of grinding the impeller shaped body includes a step of polishing an inner surface of the impeller shaped body constituting a part of the flow path.
More Like This:
| WO/2020/195133 | CENTRIFUGAL COMPRESSOR |
Inventors:
Yasunori Sakai
Application Number:
JP2020054321A
Publication Date:
December 01, 2023
Filing Date:
March 25, 2020
Export Citation:
Assignee:
Mitsubishi Heavy Industries Compressor Corporation
International Classes:
F04D29/28; B22F3/24; B22F5/04; B24B19/14; B33Y10/00
Domestic Patent References:
| JP2019534794A | ||||
| JP2017155640A | ||||
| JP2019157157A |
Foreign References:
| WO2018154737A1 | ||||
| WO2018154730A1 | ||||
| US20190003322 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Ancient city Satoshi
Koichiro Kamada
Eisuke Ito
Hiroyuki Hashimoto
Ancient city Satoshi
Koichiro Kamada