US 12,151,287 B2
Method for manufacturing sintered component and sintered component
Kentaro Yoshida, Okayama (JP); Shoichi Takada, Okayama (JP); and Hirofumi Kiguchi, Okayama (JP)
Assigned to SUMITOMO ELECTRIC SINTERED ALLOY, LTD., Okayama (JP)
Filed by SUMITOMO ELECTRIC SINTERED ALLOY, LTD., Okayama (JP)
Filed on Sep. 2, 2022, as Appl. No. 17/929,328.
Application 17/929,328 is a division of application No. 16/632,688, granted, now 11,465,206, previously published as PCT/JP2018/028224, filed on Jul. 27, 2018.
Claims priority of application No. 2017-152049 (JP), filed on Aug. 4, 2017.
Prior Publication US 2022/0410260 A1, Dec. 29, 2022
Int. Cl. B22F 3/16 (2006.01); B22F 3/12 (2006.01); B22F 3/24 (2006.01); B22F 5/00 (2006.01); F01C 21/08 (2006.01); F04C 18/04 (2006.01); B22F 5/10 (2006.01)
CPC B22F 3/162 (2013.01) [B22F 3/24 (2013.01); B22F 5/009 (2013.01); F01C 21/0809 (2013.01); B22F 3/12 (2013.01); B22F 2003/245 (2013.01); B22F 5/106 (2013.01); B22F 2301/052 (2013.01); B22F 2301/10 (2013.01); F04C 18/04 (2013.01); F04C 2240/20 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A sintered component having a relative density of 88% or greater, the sintered component comprising:
a groove formed therein having a groove width of 1.0 mm or less,
wherein a ratio obtained by dividing a groove depth of the groove by the groove width is greater than or equal to 8, and
wherein an arithmetic average roughness Ra of an internal side surface of the groove is 5 μm or less.