Abstract: A one-piece piston blank of near-net shape wherein the piston blank has a flange disposed opposite a skirt, the flange being spin-bendable to form a cooling channel with reduced preliminary removal of material relative to conventional forged piston blanks.
Type:
Grant
Filed:
February 21, 2022
Date of Patent:
May 30, 2023
Assignee:
KS KOLBENSCHMIDT US, INC.
Inventors:
David J. Boye, Bryan Quinn, Joseph Stojkov, Joshua Cota, Scott D. Bailey
Abstract: Methods for forging a piston blank are disclosed such that the forged piston blank is in a near-net shape and size of a final piston. Bending a flange to form a cooling channel can be done with reduced or no preliminary machining away of core material relative prior to bending the flange.
Type:
Grant
Filed:
February 19, 2019
Date of Patent:
March 29, 2022
Assignee:
KS KOLBENSCHMIDT US, INC.
Inventors:
David J. Boye, Bryan Quinn, Joseph Stojkov, Joshua Cota, Scott D. Bailey
Abstract: A machine, tooling and method for cold forming complex metal parts such as a banjo style hose fitting starting with a near net shape volume of wire and continuing with multiple forging blows and an intermediate rotation of the blank to produce a hose coupling shell end, a transition neck, a large counterbored annular coupling body and a perpendicular alignment tang.