PROCESS TEMPERATURE DETERMINATION AT THE DRILLING CARBON FIBER REINFORCED COMPOSITES

Grigore POP, Liviu CRIŞAN, Daniel FILIP

Abstract


Due to the damaging effects that the lubricants have on composite materials the machining of these materials is performed without coolant. On the other hand dry machining involves the risk of a thermal damage induced by high process temperatures that could influence the geometrical deviations and the quality of the processed part. Temperature measurements were accomplished using an IR camera for industrial applications, the Infratec, Variocam HR 500. Due to the disproportional evolution of the process temperatures in relation with the process parameters mathematical models were developed and presented in this paper. The mathematical models were elaborated using response surface method (RSM). Analysis of variance (ANOVA) was used to check the validity of the developed mathematical equations.


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References


H. Takeyama, N. Lijima, Production Engineering 2003, 10(2), 64;

Medgenberg J, Ummenhofer T. Assessment of fatigue damage in low-carbon-steel using lock-in-thermography. In: 8th International conference on quantitative infrared thermography, 2006;

Medgenberg J, Ummenhofer T. Detection of localized fatigue damage in steel by thermography. In: Proceedings of SPIE, 2007, Thermosense XXIX, vol. 6541;

Pop Grigore Marian, Researcher regarding the use of thermography in industrial applications and for the determination of process temperatures, UTCN, 2011.

Santhanakrishnan G, Krishnamoorthy R, Malhotra SK. (1988) Machinability characteristics of fibre reinforced plastics composites, Mech Working Technologies 17:195–204, 1988;

W. Koenig, P. Grass,” Annals of the CIRP”, pp. 37, pp. 93, 1988;

W.-C. Chen, Int.J.Mach. “Tools Manufacturing”,pp 37,pp 1097 1997.


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