Method and apparatus for machining crankshafts

A crankshaft is machined by first securing it in first and second radially displaceable grippers of first and second holders rotatable about a common grinding axis and orienting the workpiece axis coaxial with the grinding axis. Then the crankshaft is released from the first gripper, and the second...

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1. Verfasser:	HESSBRUEGGEN NORBERT
Format:	Patent
Sprache:	eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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creator	HESSBRUEGGEN NORBERT
description	A crankshaft is machined by first securing it in first and second radially displaceable grippers of first and second holders rotatable about a common grinding axis and orienting the workpiece axis coaxial with the grinding axis. Then the crankshaft is released from the first gripper, and the second holder is rotated to align the first crankpin radially with the grinding axis. Subsequently the crankshaft is regripped by the first gripper and released by the second gripper and the second holder is rotated relative to the crankshaft until the second holder is aligned with its displacement direction lying in a common plane with the grinding axis and the displacement direction of the first gripper. Finally, both the grippers are shifted parallel to each other in their displacement directions to center the first crankpin on the grinding axis, and the crankshaft is about the grinding axis while machining the first crankpin.
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Then the crankshaft is released from the first gripper, and the second holder is rotated to align the first crankpin radially with the grinding axis. Subsequently the crankshaft is regripped by the first gripper and released by the second gripper and the second holder is rotated relative to the crankshaft until the second holder is aligned with its displacement direction lying in a common plane with the grinding axis and the displacement direction of the first gripper. Finally, both the grippers are shifted parallel to each other in their displacement directions to center the first crankpin on the grinding axis, and the crankshaft is about the grinding axis while machining the first crankpin.</description><language>eng</language><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; GRINDING ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; PERFORMING OPERATIONS ; POLISHING ; TRANSPORTING</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130723&DB=EPODOC&CC=US&NR=8491357B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130723&DB=EPODOC&CC=US&NR=8491357B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HESSBRUEGGEN NORBERT</creatorcontrib><title>Method and apparatus for machining crankshafts</title><description>A crankshaft is machined by first securing it in first and second radially displaceable grippers of first and second holders rotatable about a common grinding axis and orienting the workpiece axis coaxial with the grinding axis. 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subjects	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
title	Method and apparatus for machining crankshafts
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