...–6Al–4 V. The placement of thermocouples perpendicular to the tool flank yields cutting interface temperature measurements as close as 0.15 mm from the cutting edge. The tool–work thermocouple measurements indicate that the ACF spray system reduces average cutting temperatures by 7–13%, whereas...

...Axel Fehrenbacher; Joshua R. Schmale; Michael R. Zinn; Frank E. Pfefferkorn A wireless data acquisition system was built to collect temperature measurements off a rotating tool in a CNC mill during FSW. Two through-holes for placing the thermocouples at the tool-workpiece interface were used...

... the system, a first order process model with transport delay was experimentally developed that captures the physics between spindle speed and measured interface temperature. The model has a time constant of 110 ms and a delay time of 85 ms. Using this temperature measurement technique, a closed-loop...

... powder technology temperature measurement Laser metal deposition (LMD) is an important solid freeform fabrication technology that allows functionally graded metal parts to be fabricated from three dimensional computer models ( 1 ). Unlike traditional machining operations that build parts...

... = 1.3   mm , and z = 0.1   mm , which is the point of temperature measurement, and at elapsed time t = 740   ms after cutting starts. The heat conductivity k and thermal diffusivity α of the cutting tool composed of sintered carbide type K are 67 W/mK and 2.2...

... temperatures, and the model could be applied to design a real-time temperature control system for die cooling process. 15 01 2007 30 07 2008 12 12 2008 coolants cooling die casting high-temperature techniques temperature control temperature measurement heat transfer die...

.... Lierse ( 24 ) used thin film thermocouples for temperature measurements near the operating surface during the grinding of an Al 2 O 3 ceramic with a resin-bonded diamond grinding wheel. Ziehbeil ( 25 ) developed a method using surface deposited thin film thermocouples for the evaluation...

...Bin Shen; Guoxian Xiao; Changsheng Guo; Stephen Malkin; Albert J. Shih A new thermocouple fixation method for grinding temperature measurement is presented. Unlike the conventional method using a welded thermocouple, this new method uses epoxy for affixing the embedded thermocouple within a blind...

... and high temperature alloys, few attempts have been made to extend LAM to milling operations. In this paper, a transient, three-dimensional thermal model developed for laser-assisted milling (LAML) is presented and its accuracy is verified by surface temperature measurements with an infrared camera. LAML...

... 01 2006 drilling friction drilling machines sheet materials temperature measurement finite element analysis Friction drilling, also known as thermal drilling, flow drilling, form drilling, or friction stir drilling, is a nontraditional hole-making method. The heat generated from...

... in terms of the reduction of cutting temperature through the cooling effect, as well as the reduction of heat generation through the lubricating effect. To pursue model calibration and validation, embedded thermocouple temperature measurement in cutting medium carbon steels with uncoated carbide insets...

... Assessment of Laser-Assisted Machining for Various Ceramics ,” Trans. NAMRI/SME 1047-3025 , 30 , pp. 153 – 160 . Pfefferkorn , F. E. , Rozzi , J. C. , Incropera , F. P. , and Shin , Y. C. , 1997 , “ Surface Temperature Measurement in Laser-Assisted Machining Processes ,” Exp...

..., and perform excellently when machining in situ . 22 09 2004 02 06 2005 thermocouples temperature measurement temperature sensors cutting thin film devices insulating thin films insulating coatings calibration cutting tools sputter deposition nickel compounds Hard particles...

... lubrication lubricating oils temperature measurement minimum quantity lubrication oil mist cutting temperature turning end milling infrared radiation pyrometer two-color pyrometer optical fiber For ecological and economic reasons, the MQL (minimum quantity lubrication) technique...

... speed has been increased from conventional values up to 100 m/s for AISI 1045, 117 m/s for AA 7075, and 10 m/s for Ti6Al4V. Additionally, a review of radiation thermometry techniques and applications regarding time resolved temperature measurements in metal cutting will be presented. Contributed...

... and the delay in the thermal response, in order to accommodate situations where the measured points cannot be located near the heat source, which may be buried into the structure. Experimental validation of these models showed their inherent stability even when the temperature measurements are contaminated...

... suitable for a workpiece with low cross section Biot number. Induction heating experiments are carried out using a carbon steel rod. The finite difference method and thermocouple temperature measurements are applied to estimate the induction heat flux and workpiece temperature. Compared to measured...

... element analysis temperature measurement force measurement strain measurement Metal cutting is one of the most important manufacturing technologies today. Because of the highly nonlinear nature of metal cutting and the complex coupling between deformation and temperature fields, a complete...

... 2002 23 07 2003 Bragg gratings intelligent sensors temperature measurement strain measurement fibre optic sensors “Layered Manufacturing” or “Solid Free-form Fabrication” 1 2 3 4 5 6 7 8 has emerged as a popular manufacturing direction to accelerate product creation...

.... 54 – 60 . Watanabe , K. , Yokoyama , K. , and Ichimiya , R. , 1977 , “ Thermal Analyses of the Drilling Process ,” Bull. Jpn. Soc. Precis. Eng. , 11 , pp. 71 – 77 . Stephenson , D. A. , 1993 , “ Tool-Work Thermocouple Temperature Measurements-Theory and Implementation...