US 9,810,264 B2
Method of forming a bearing component
Praveen Pauskar, Massillon, OH (US); Richard J. Abbruzzi, Canton, OH (US); and Wayne V. Denny, Alliance, OH (US)
Assigned to The Timken Company, North Canton, OH (US)
Filed by The Timken Company, North Canton, OH (US)
Filed on Dec. 13, 2016, as Appl. No. 15/377,870.
Application 15/377,870 is a continuation of application No. PCT/US2016/028079, filed on Apr. 18, 2016.
Claims priority of provisional application 62/151,705, filed on Apr. 23, 2015.
Prior Publication US 2017/0089393 A1, Mar. 30, 2017
Int. Cl. F16C 33/64 (2006.01); B22F 3/16 (2006.01); B22F 3/24 (2006.01); B23P 9/02 (2006.01); B23P 15/00 (2006.01); C21D 7/13 (2006.01); F16C 33/58 (2006.01); C21D 7/08 (2006.01); C21D 9/36 (2006.01); C21D 9/38 (2006.01); C21D 9/40 (2006.01); B22F 5/00 (2006.01); B24B 39/00 (2006.01); C21D 1/18 (2006.01)
CPC F16C 33/64 (2013.01) [B22F 3/16 (2013.01); B22F 3/164 (2013.01); B22F 3/24 (2013.01); B22F 5/00 (2013.01); B23P 9/02 (2013.01); B23P 15/003 (2013.01); B24B 39/00 (2013.01); C21D 1/18 (2013.01); C21D 7/08 (2013.01); C21D 7/13 (2013.01); C21D 9/36 (2013.01); C21D 9/38 (2013.01); C21D 9/40 (2013.01); F16C 33/585 (2013.01); B22F 2003/166 (2013.01); B22F 2003/247 (2013.01); B22F 2003/248 (2013.01); B22F 2999/00 (2013.01); F16C 2220/20 (2013.01); F16C 2223/02 (2013.01); F16C 2223/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method of forming a bearing component from powder metal, the method comprising:
pressing the powder metal;
sintering the powder metal to form the component;
heating the component to a burnishing temperature in the range of 900 to 1300 degrees Fahrenheit; and
burnishing a surface of the component while the component is at the burnishing temperature to densify the surface.