Abstract
Lubricating oil transfer pump is an important function subsystem in twin-screw pump system. The friction pair between Lubrication screw and shell also is heat source of the system, not only affect the temperature field of the subsystem and the whole system, and the excessive thermal deformation itself may exist can also cause drive failure. This paper established the temperature field and thermal deformation analysis model and boundary conditions of the lubrication screw by means of Finite Element Analysis, and analyzed temperature field and thermal deformation of the lubrication screw and shell as the coefficient of convective heat transfer is 1200W/m2∙°C in the oil production process, and proved thermal deformation of the lubrication screw and shell can not affect the normal work of Lubricating oil transfer pump in the condition.
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