IMPELLER MANUFACTURING METHOD WITH THERMOFUSION LAMINATE MOLDING AND MECHANICAL POLISHING

Title:

IMPELLER MANUFACTURING METHOD WITH THERMOFUSION LAMINATE MOLDING AND MECHANICAL POLISHING

Document Type and Number:

Japanese Patent JP2017180178

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To improve manufacturing efficiency from molding of an impeller to polishing.SOLUTION: A manufacturing method of an impeller includes: a molding step S1 of molding an impeller 10 with thermofusion laminate molding; and a polishing step S2 of polishing a wall 15 configured to section a flow passage 14 of the impeller 10 by using a granular polishing material 23. In the polishing step S2, the polishing material 23 is injected or scratched to the wall 15 of the flow passage 14. For example, it is preferable that from a plurality of nozzle holes 21A, 22C formed on nozzle members 21, 22 inserted into the flow passage 14, the polishing material 23 is injected toward the wall 15 of the flow passage 14.SELECTED DRAWING: Figure 4

Inventors:

KAWASUMI SOSUKE
KONNO YUYA
NAKANIWA TERUHIRO

Application Number:

JP2016065616A

Publication Date:

October 05, 2017

Filing Date:

March 29, 2016

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND COMPRESSOR CORP
MITSUBISHI HEAVY IND LTD

International Classes:

F04D29/30; B24B31/14; B24C1/08; B24C3/32; B24C11/00

Domestic Patent References:

JP2015510979A	2015-04-13
JP2014094433A	2014-05-22
JP2002529263A	2002-09-10
JP2013104321A	2013-05-30
JP2014009733A	2014-01-20

Foreign References:

DE102014012480A1

2016-03-03

Attorney, Agent or Firm:

Mitsuru Oba
Horikawa Miyuki
Yuko Otake
Yamashita Seiko

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