| 摘要 |
<p>Disclosed are an oil film forming process and device using a coupled magnetic nanoparticle jet stream and magnetic force workbench, comprising a magnetic force workbench (1), and a workpiece (2) attracted thereon by a magnetic force; a grinding wheel (4) provided at a workpiece (2) machining position, and a nozzle (8) mounted on a grinding wheel hood (3) at a position matching the workpiece (2), wherein the nozzle (8) is connected with a magnetic nanoparticle fluid feed device via a magnetic nanoparticle fluid delivery pipe (5), and connected to an air compressor via a compressed air delivery pipe (6); a magnetic nanoparticle fluid and compressed air are mixed and accelerated in the nozzle (8) to form a three-phase fluid mist spray, namely a mixed mist spray of compressed air, magnetic nanoparticles and grinding fluid base oil particles; and the three-phase fluid mist spray enters a grinding zone between the workpiece (2) and the grinding wheel (4), the magnetic force workbench is magnetically coupled with the three-phase fluid mist spray, and an oil film is formed on the surface of the workpiece (2). Magnetic nanoparticle fluid is delivered to the nozzle (8), forming a lubricating oil film on the surface of the workpiece on the magnetic workbench (1), thereby realizing maximum cooling and lubrication of the grinding and machining area.</p> |
