The drudgery of super-high-speed motorized spindle to avoid air curtain effect Imported bearing lubrication technology Rolling drudgery Imported bearing industry technology innovation strategic alliance, I f Nanluoyang 471039) Abstract: It has been expounded for a long time. The value exceeds 2.0 Xl06 mm? I/min ultra-high-speed motorized spindle is the oil-gas lubrication mechanism of the drudgery imported bearing. The air curtain effect in the drudgery imported bearing cavity is analyzed. Several advanced new lubrication technologies are introduced emphatically, and their processing cost, environmental protection and comprehensive performance are summarized. Key words: spindle drudgery imported bearings; Ultra-high speed motorized spindle: Lubrication; Classification number of air curtain effect in the middle picture: TH133.33TH117.2 document symbol code: b article number: 1000 -3 7 6 2 (2 0 1 8 )0 4 -0 0 5 9 -0 6 lubrication technology of ultra-high speed motorized spindle bearing to avoid air curtain effect Wang Dongfeng 1' 2, Liu Shengchao 1'2'3, Li Yan 1'2'3, Luoyang bearing research institute co., ltd., Luoyang 471039, China; 2. Henan Key Laboratory of High Performance Bearing Technology, Luoyang 471039; 3. Technical Innovation Strategic Alliance of Rolling Bearing Industry (Luoyang 471039) Abstract: Aiming at Super High Speed Spindle Bearing with dm? The value of n is greater than 2. 0 X 106 mm？ The mechanism of oil-air lubrication is expounded, and the air curtain effect in the bearing cavity is analyzed. Several advanced new lubrication technologies are introduced emphatically, and their processing cost, environmental protection performance and comprehensive performance are summarized. Key words: spindle bearing; Ultra-high speed motorized spindle: Lubrication; Development of Air Curtain Effect High Speed CNC Machine Tool Technology for Spindle and Spindle

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