STRUCTURING OF SLIDING SURFACE PORTIONS

In order to reduce friction of a crank shaft during operation by a large amount with low complexity through structuring sliding bearing surfaces (1) of the crank shaft through controlled introduction of microscopically small indentations (27) it is proposed for the center bearings and the crank bear...

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Bibliographische Detailangaben
Hauptverfasser:	HAFNER WOLFGANG, SCHREIBER LEO, KUHN HANS, WEBER MATTHIAS, REINGEN JÜRGEN, GROSS EMANUEL, BRUSSEE MAARTEN
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR BEARINGS BLASTING CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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Beschreibung
Zusammenfassung:	In order to reduce friction of a crank shaft during operation by a large amount with low complexity through structuring sliding bearing surfaces (1) of the crank shaft through controlled introduction of microscopically small indentations (27) it is proposed for the center bearings and the crank bearings to only structure highly loaded portions of the bearing surface in circumferential direction and also in axial direction since this is already difficult to achieve in view of the operating gap towards the tool that only has a size of a few μm.