Hunan Quanyu publishes 3T3R casting-cleaning robot patent
Hunan Quanyu Industrial Equipment published a patent application covering a six-axis 3T3R robot and processing system for casting cleaning and rough machining.

Evidence notes
- The architecture combines three linear axes and three rotary axes around a controller.
- Its rotary-axis geometry is designed to retain an analytic kinematic solution while supporting complex casting poses.
- The disclosed system targets casting cleaning, rough machining and compound processes with a compact footprint.
Company context
Hunan Quanyu Industrial Equipment develops robotic grinding, cutting, polishing and finishing systems for metal castings. Its workcells combine industrial robots with part recognition, force and process control, tooling and enclosed cells for hazardous and labour-intensive foundry operations.