ISSN Online: 2377-424X
International Heat Transfer Conference 12
Cutting temperature estimation using inverse heat conduction techniques
要約
During machining, high temperatures are developed in the region of the tool cutting edge, and these temperatures
have a controlling influence on the rate of wear of the cutting tool and on the friction between the chip and the
tool. However, direct measurement of temperature by using contact type sensors at the tool-workpiece interface
is impossible in the region due to the cutting movement and the presence of the chip. The use of inverse heat
conduction techniques can be a good alternative since this technique takes into account temperatures measured
from accessible positions. The inverse technique is based on the conjugated gradient method, adjoint equation
and finite volume method. For the heat flux estimation the technique uses temperature measurements in the
bottom surface of the tool, opposite to its rake face.