Investigations of Transient Machined Workpiece Surface Temperature in High Speed Peripheral Milling Using Inverse Method

Zhan Qiang Liu; Fan Zhang; Fu Lin Jiang

doi:10.4028/www.scientific.net/MSF.723.14

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HomeMaterials Science ForumMaterials Science Forum Vol. 723Investigations of Transient Machined Workpiece...

Investigations of Transient Machined Workpiece Surface Temperature in High Speed Peripheral Milling Using Inverse Method

Abstract:

In high speed machining, temperature distribution in workpiece is the main factor which directly affects the surface integrity and dimensional accuracy of machined workpiece. In this paper, the machined workpiece temperature in high speed peripheral milling is analyzed through using moving heat source method and inverse method. Firstly, the workpiece to be machined is considered as a semi-infinite solid to model the transient surface temperature using arc-shaped moving heat source. Inverse method is then applied for the calculating of heat flux. Peripheral milling experiments of 1045 steel is performed with coated carbide insert The machined surface temperatures were measured during experiments. The measured results were found to be in agreement with the predicted ones by transient models for machined surface temperatures. These results confirm the conclusion that the transient workpiece temperature will decline when the cutting speed increases to a critical value.

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Periodical:

Materials Science Forum (Volume 723)

Pages:

14-19

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.723.14

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Online since:

June 2012

Authors:

Zhan Qiang Liu, Fan Zhang, Fu Lin Jiang

Keywords:

Inverse Method, Moving Heat Source, Peripheral Milling, Workpiece Temperature

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