Studies on Temperature of Abrasive Grains in Grinding—Application of Infrared Radiation Pyrometer

Abstract

The temperature of cutting grains on wheel surface was measured by means of a new method, in which an optical fiber accepts the infrared flux radiated from the cutting grains and transmits it to an infrared detector InAs cell. This pyrometer makes it possible to observe the history of each cutting grain on the wheel surface. It was found that the temperature of cutting grains at 4.2 ms after cutting is distributed in the range of 500°C to 1400°C, and their mean temperature is 820°C.