The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2015
Filed:
Jul. 25, 2012
Bernd Nagel, Nuertingen, DE;
Martin Mayer, Frickenhausen, DE;
German Wankmiller, Ronsberg, DE;
Georg Wassermann, Lauben, DE;
Bernd Nagel, Nuertingen, DE;
Martin Mayer, Frickenhausen, DE;
German Wankmiller, Ronsberg, DE;
Georg Wassermann, Lauben, DE;
Nagel Maschinen-und Werkzeugfabrik GmbH, Germany, DE;
Grob-Werke GmbH & Co. KG, Germany, DE;
Abstract
In a method for the finishing of a crankshaft bearing bore in a cylinder crankcase of an internal combustion engine, starting from a prepared crankshaft bearing bore, a finished crankshaft bearing bore is produced with a prescribable desired size, a prescribable desired structure of the bore inner surface and a prescribable desired position of the bore axis. The prepared crankshaft bearing bore is first finished with at least one finishing tool with a geometrically defined cutting edge and then the honing of the crankshaft bearing bore is carried out. In a final finishing operation with a geometrically defined cutting edge immediately preceding the honing, an allowance of at least 0.4 mm is removed, and the honing tool is introduced into the bore coaxially in relation to the desired position of the bore axis and moved within the bore, an allowance of at least 0.08 mm being removed during the honing.