Chip root analyses in peripheral longitudinal up-grinding by means of a new quick-stop device Online publication date: Fri, 10-Jul-2015
by Berend Denkena; Thilo Grove; Florian Seiffert
International Journal of Abrasive Technology (IJAT), Vol. 7, No. 1, 2015
Abstract: Due to its specific process characteristics the micro geometric contact conditions in grinding cannot be directly observed. An approach to visualise and analyse the mechanisms in the contact zone in grinding is constituted by quick-stop experiments. These are state-of-the-art in geometrically defined machining processes but were not yet successfully applied in geometrically undefined machining processes like grinding. In this article, a newly developed quick-stop device is presented that is suitable to analyse the micro geometric contact conditions in peripheral longitudinal up-grinding. This device mainly consists of carrier components with impactors on both sides of the grinding tool and a pneumatically extendable stopper that is integrated into a pivot-mounted work piece holder. In initial experiments with this new quick-stop device the chip formation mechanisms and the number of active grains along the contact zone were identified.
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