process machine interaction
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2021 ◽  
Vol 111 (05) ◽  
pp. 336-342
Author(s):  
Christian Brecher ◽  
Thomas Bergs ◽  
Caroline Kiesewetter-Marko ◽  
Maximilian Schrank ◽  
Stephan Neus ◽  
...  

Für die Endbearbeitung von Zahnrädern wird unter anderem das Verzahnungshonen eingesetzt. Die theoretisch erreichbare Maschinenleistung kann aufgrund auftretender Schwingungen eingeschränkt sein. In einem aktuellen Forschungsprojekt zur Abbildung der Prozess-Maschine-Interaktion beim Verzahnungshonen werden die Eigenschaften der Maschine und die Prozesskräfte berücksichtigt. In diesem Beitrag wird ein gekoppeltes Prozess-Maschine-Modell für das Verzahnungshonen vorgestellt.   One of the processes used for finishing gears is gear honing. The theoretically achievable machine performance can be limited due to occurring vibrations. A current research project for modelling the process-machine interaction in gear honing considers the characteristics of the machine and the process forces. This article presents a coupled process-machine model for gear honing.


2017 ◽  
Vol 140 (2) ◽  
Author(s):  
Burak Sencer, Ph.D. ◽  
Tony Schmitz, Ph.D. ◽  
Jaydeep Karandikar, Ph.D. ◽  
Chris Tyler, Ph.D.

2017 ◽  
Vol 107 (05) ◽  
pp. 307-312
Author(s):  
C. Prof. Brecher ◽  
C. Kiesewetter ◽  
M. Kampka ◽  
A. Epple

Die theoretische Leistungsfähigkeit von Verzahnungshonmaschinen lässt sich häufig aufgrund selbsterregter Schwingungen und Abweichungen von der vorgeschriebenen Verzahnungsqualität nicht vollständig ausnutzen. Bislang existieren kaum Untersuchungen für die dynamische Prozess-Maschine-Interaktion beim Verzahnungshonen. Im Fachbeitrag werden daher instabile Bearbeitungsprozesse an einer Verzahnungshonmaschine untersucht.   The theoretical productivity of gear honing machines often cannot be fully utilized because of self-excited vibrations and deviations of the required geometric quality of gears. However, so far there is almost no scientific research on the dynamic process-machine-interaction for gear honing. This article deals with the investigation of unstable machining operations in a gear honing machine.


2016 ◽  
Vol 106 (05) ◽  
pp. 289-293
Author(s):  
C. Prof. Brecher ◽  
A. Epple ◽  
S. Neus ◽  
M. Fey

Im industriellen Umfeld werden zur Steigerung der Produktivität zunehmend Maschinensysteme mit mehreren parallel zerspanenden Werkzeugen eingesetzt. Die dynamische Prozess-Maschine-Interaktion dieser Maschinensysteme ist bisher jedoch kaum untersucht. Für den Fall des parallelen Drehens werden in diesem Fachbeitrag Modellierungen und Untersuchungen zum Einfluss unterschiedlicher Parameter auf die Prozessstabilität vorgestellt.   Industry increasingly uses machine systems with multiple parallel cutting tools to enhance productivity. However, the dynamic process-machine-interaction of these machine systems has scarcely been investigated. With a view to parallel turning, this paper presents modelling techniques and investigates how various parameters affect process stability.


2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Wei Feng ◽  
Bin Yao ◽  
BinQiang Chen ◽  
DongSheng Zhang ◽  
XiangLei Zhang ◽  
...  

Interaction of process and machine in grinding of hard and brittle materials such as cemented carbide may cause dynamic instability of the machining process resulting in machining errors and a decrease in productivity. Commonly, the process and machine tools were dealt with separately, which does not take into consideration the mutual interaction between the two subsystems and thus cannot represent the real cutting operations. This paper proposes a method of modeling and simulation to understand well the process-machine interaction in grinding process of cemented carbide indexable inserts. First, a virtual grinding wheel model is built by considering the random nature of abrasive grains and a kinematic-geometrical simulation is adopted to describe the grinding process. Then, a wheel-spindle model is simulated by means of the finite element method to represent the machine structure. The characteristic equation of the closed-loop dynamic grinding system is derived to provide a mathematic description of the process-machine interaction. Furthermore, a coupling simulation of grinding wheel-spindle deformations and grinding process force by combining both the process and machine model is developed to investigate the interaction between process and machine. This paper provides an integrated grinding model combining the machine and process models, which can be used to predict process-machine interactions in grinding process.


Author(s):  
D. Biermann ◽  
H. Blum ◽  
A. Rademacher ◽  
A. V. Scheidler ◽  
K. Weinert

2012 ◽  
Vol 2012 (01) ◽  
pp. 310-314
Author(s):  
Andreas Archenti ◽  
Mihai Nicolescu ◽  
Thomas Lundholm

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