专利名称：MANUFACTURING METHOD OF IMPELLER发明人：Yasunori Sakai申请号：US17205636申请日：20210318
公开号：US20210299812A1公开日：20210930
专利附图：
摘要：A manufacturing method of an impeller, the manufacturing method includes: astep of forming an impeller shaped body in which a disc component part constituting apart of the disc, a blade component part constituting a part of the blade, and a covercomponent 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 anadditive manufacturing method using a metal powder; and a step of grinding the impellershaped body, in which the steps are repeated a plurality of times, and the step ofgrinding the impeller shaped body includes a step of polishing an inner surface of theimpeller shaped body constituting a part of the flow path.
申请人：MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
地址：Tokyo JP
国籍：JP
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