High efficiency grinding with fine bubbles coolant by micropores generator

Due to their hardness, cemented carbides and ceramics are commonly used to make cutting tools and mold dies. However, the wearing and trueing/dressing of the grinding wheel are critical problems for many manufacturers. Fine bubble (FB) coolant has been reported to decrease grinding force. However, there have been few reports regarding methods of generating FB by micropore ceramic. In this study, the density of FB, dissolved oxygen, and surface tension using a micropore FB generator were examined. The grinding force was effectively reduced by 15% compared with the current coolant.