Tool-workpiece contact surface droplet dynamic wetting characteristic detection method and device

The invention discloses a cutter-workpiece contact surface droplet dynamic wetting characteristic detection method and device. It is necessary to detect the dynamic wetting characteristics of the cutting fluid droplets to select the cutting fluid with better performance. The device comprises a micro-droplet preparation device, a cutter block feeding device, a workpiece block, a visual detection system and a rack, wherein the micro-droplet preparation device and the cutter block feeding device are arranged side by side, the micro-droplet preparation device comprises a micro-droplet dipping module and a liquid container, the micro-droplet dipping device is mounted on a bottom plate through a door-shaped micro-droplet preparation support, the micro-droplet dipping module comprises an XZ driving table and a carbon fiber bundle, and the tool block feeding device comprises a tool block, a pressure air cylinder, a second connecting plate and a Y-direction moving platform. The device is advantaged in that an analytic