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The effect of the thickness of the lower raceway, the thickness, and material of the third raceway of the bearing set on the efficiency of a reciprocating compressor.

Number: 1291

Author(s) : UI HAQUE U., CETIN T., YALCIN Ö.

Summary

The thrust ball bearing set in the reciprocating compressor is used to reduce the friction between the crankcase and the rotating crankshaft. The bearing set consists of two raceways that sandwich the ball bearing. The upper raceway is attached to the crankshaft and this raceway rotates with the crankshaft. The balls of the bearing also rotate and revolve with the crankshaft. These balls rotate on the lower raceway. The lower raceway is the subject of the axial load, which includes the mass of the crankshaft and the rotor. The thickness of the lower raceway will be studied to improve the absorption of the axial load by the lower raceway. The more the load is absorbed by the lower raceway the less the load is exerted on bearing balls, hence improving the life of the bearing set. Moreover, an additional third raceway is used under the lower raceway. This is made of an elastic material and it acts as a damper. This accompanies smooth rotation of the crankshaft especially during the tilt motion of the crankshaft, hence improving the efficiency of the compressor. The elastic raceway deforms and retains its shape, hence preventing the loss of energy from the system. Different materials for the third raceway and their thicknesses will be studied to bring forth an optimum combination of the bearing set.

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Details

  • Original title: The effect of the thickness of the lower raceway, the thickness, and material of the third raceway of the bearing set on the efficiency of a reciprocating compressor.
  • Record ID : 30030301
  • Languages: English
  • Subject: Technology
  • Source: 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
  • Publication date: 2022/07/15

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