Abstract: A method and apparatus for treating a circumferential edge of a part are described. The method includes the steps of (1) mapping the circumferential edge of the part with a measuring device, either directly or differentially from a known shape profile; and (2) using the measured data to more accurately follow the circumferential edge of the part during subsequent treatment processing steps, thereby improving the accuracy of the treatment process and compared with a non-mapped treatment process.
Type:
Grant
Filed:
March 11, 2015
Date of Patent:
January 22, 2019
Assignee:
Ametek Precitech, Inc.
Inventors:
Mark McNinch Walter, III, Edward Everett Freyenhagen, Jr., Jeffrey William Roblee
Abstract: A compact surface self-compensated hydrostatic bearing includes a rotor assembly including a rotor plate having upper and lower fluid restricting faces, a rotor top and bottom, each having bearing surfaces angled with respect to an axis of rotation of the rotor assembly; a stator assembly including a stator top and a stator bottom housing the rotor assembly therebetween, the stator top and bottom having bearing surfaces facing and spaced apart from the rotor top and bottom bearing surfaces forming upper and lower bearing gaps, respectively, therebetween; the stator top and bottom including a lower and an upper fluid restricting surface, respectively, facing and spaced apart from the rotor upper and rotor lower fluid restricting faces, respectively, forming upper and lower restricting gaps, respectively, therebetween; and a fluid supply system configured to supply pressurized fluid to the bearing gaps and into the upper and lower fluid restricting gaps.
Type:
Grant
Filed:
June 13, 2007
Date of Patent:
March 23, 2010
Assignee:
AMETEK-Precitech, Inc.
Inventors:
Nathan R. Kane, Joachim Sihler, Alexander H. Slocum, Mark Walter