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  4. Influence of gear hobbing feed marks on the resulting gear quality after discontinuous profile grinding
 
Zitierlink DOI
10.26092/elib/2427
Verlagslink DOI
10.1016/j.cirpj.2020.06.005

Influence of gear hobbing feed marks on the resulting gear quality after discontinuous profile grinding

Veröffentlichungsdatum
2020-12-18
Autoren
Guba, Nikolai  
Hüsemann, Tobias  
Karpuschewski, Bernhard  
Zusammenfassung
Gear hobbing is one of the most common soft-machining processes for pre-toothing. The process kinematics result in a characteristic tooth-flank topography, which is mainly determined by so-called feed marks. For an economical finishing process by gear grinding in automotive applications, the feed-mark depths should not exceed a maximum value of 35 mm. In the present study the validity of this limit has been investigated in view of the development of increasingly powerful grinding machines and grinding wheels. For this purpose, gears with feed-mark depths dx below and above 35 mm were machined and ground by means of discontinuous profile gear grinding afterwards. The influence of the feed marks on the grinding process with roughing parameters was systematically evaluated on the basis of various process variables such as the increase in spindle power Ps or the degree of grinding-wheel clogging Zs, while the resulting gear quality was mainly analyzed by various parameters to describe macro- and micro-geometry deviations of the ground tooth flanks. With increasing feed-mark depth, an increase in spindle power was found due to the additional machined volume. An influence of increasing feed-mark depths on the clogging degree, the grinding-wheel wear and the gear quality could not be proven. Therefore, economical finishing of gears by gear grinding is also possible with feed-mark depths of more than 35 mm. A new definition of this limit should be sought.
Schlagwörter
Gear hobbing

; 

Feed marks

; 

Gear grinding

; 

Geometric gear quality
Verlag
Elsevier
Institution
Universität Bremen  
Fachbereich
Zentrale Wissenschaftliche Einrichtungen und Kooperationen  
Institute
Institut für Werkstofftechnik (IWT)  
MAPEX Center for Materials and Processes  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
CIRP Journal of Manufacturing Science and Technology  
Band
31
Startseite
314
Endseite
321
Zweitveröffentlichung
Ja
Dokumentversion
Preprint
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
Sprache
Englisch
Dateien
Lade...
Vorschaubild
Name

CIRPJ-D-20-00177_R1_Deckblatt_pdfa1.pdf

Size

2.31 MB

Format

Adobe PDF

Checksum

(MD5):aac204bf3cf4a74ad53c56b69a9fbdcb

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