吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (01): 122-0127.

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Rotating hydranlic cylinder with oil film face seal

HU Zhi-dong1, JIANG Ji-hai2   

  1. 1.College of Engineering and Technology, Northeast Forestry University, Harbin 150040,China;2.School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001,China
  • Received:2009-08-26 Online:2011-01-01 Published:2011-01-01

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Abstract:

A new kind of rotating hydraulic cylinder with oil allocation with the hydraulic slipping to realize the plane face seal by oil film was proposed to apply in the power chuck for the machine tool. The oil leakage form and the friction torque on the seal face were analyzed theoretically taking the oil viscosity change into account. The experiments proved the correctness of the analysis, providing a basis for the practical application of the rotating hydraulic cylinder.

Key words: machine tool, rotating hydraulic cylinder, hydraulic slipring, face seal by oil film face seal, frictional torque, leakage

CLC Number: 

  • TH137.5
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