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The Influence of Thermocouples on the Measurement of Grinding Temperatures

Cong Fang, Hui Huang, Xi Peng Xu

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Abstract

An experimental investigation was conducted to reveal the influence of thermocouples on the measurement of grinding temperatures. The temperatures at the wheel-workpiece interface were measured in dry grinding using two types of foil thermocouples. It is shown that the temperatures measured by the different types or geometric parameters of thermocouples were rather different. For a specific thermocouple, the temperatures generally decreased with the reduced end-surface area of the thermocouple, which is possibly related to the reduced number of abrasives at the wheel-thermocouple interface.

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What this paper is about

An experimental investigation was conducted to reveal the influence of thermocouples on the measurement of grinding temperatures. The temperatures at the wheel-workpiece interface were measured in dry grinding using two types of foil thermocouples. It is shown that the temperatures measured by the different types or geometric parameters of thermocouples were rather different. For a specific thermocouple, the temperatures generally decreased with the reduced end-surface area of the thermocouple, which is possibly related to the reduced number of abrasives at the wheel-thermocouple interface.

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Available abstract

An experimental investigation was conducted to reveal the influence of thermocouples on the measurement of grinding temperatures. The temperatures at the wheel-workpiece interface were measured in dry grinding using two types of foil thermocouples. It is shown that the temperatures measured by the different types or geometric parameters of thermocouples were rather different. For a specific thermocouple, the temperatures generally decreased with the reduced end-surface area of the thermocouple, which is possibly related to the reduced number of abrasives at the wheel-thermocouple interface.

Key concepts: Thermocouple, Materials science, Grinding, FOIL method, Temperature measurement, Composite material, Metallurgy, Thermodynamics

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