砥石と工作物の接触面内における研削液の冷却作用

概要

論文の詳細を見る
The purpose of this paper is to investigate quantitatively the cooling action of grinding fluid which actually exisits in the microgap of the wheel-work contact area. For this purpose, a sensing probe for measuring the film thickness of the grinding fluid in the contact area was used. The results obtained here are summarized as follows: (1) The cooling action of grinding fluid in the contact area was estimated numerically from its mean film thickness. Generally, the larger the mean film thickness is, the more effective its cooling action becomes. Zero to fifty percent of the grinding heat generated in the grinding could be absorbed into the fluid film. (2) The thermal boundary layer should exist in the fluid film flowing over the grinding heat source at high speed. So, too large film thickness exceeding the thermal boundary layer is not necessarily effective for cooling the grinding temperature. (3) In order to improve the cooling efficiency, it would be a useful countermeasure to increase the thermal boundary layer if compared under the same grinding speed, specifically speaking, by the adopting such technique as using cold grinding fluid.
一般社団法人日本機械学会の論文
1990-07-25