Fig 1.
Spindle structure decomposition.
Table 1.
Performance parameters of the scroll compressor.
Fig 2.
Clearance vector relationship.
Fig 3.
Transmission principle of scroll compressor.
Fig 4.
Kinematic constraint of the components.
Table 2.
Material properties of the spindle.
Fig 5.
Flexible member included modal properties.
(a) Large balance iron. (b) Orbiting scroll. (c) Cross-slip ring.
Table 3.
Modeling data of flexible components.
Fig 6.
Flexible deformation of the spindle.
Fig 7.
Comparison of simulation result.
Fig 8.
Rotating clearance.
Fig 9.
Translational clearance.
Table 4.
Parameters of contact force.
Fig 10.
Flexible contact simulation in different clearances and positions.
(a)φ = 90°, r = 0.01mm, (b) φ = 90°, r = 0.04mm, (c)φ = 90°, r = 0.07mm, (d)φ = 90°, r = 0.1mm, (e)φ = 180°, r = 0.01mm, (f)φ = 180°, r = 0.04mm, (g)φ = 180°, r = 0.07mm, (h)φ = 180°, r = 0.1mm, (i)φ = 270°, r = 0.01mm, (j)φ = 270°, r = 0.04mm, (k)φ = 270°, r = 0.07mm, (l) φ = 270°, r = 0.1mm, (m)φ = 360°, r = 0.01mm, (n)φ = 360°, r = 0.04mm, (o)φ = 360°, r = 0.07mm, (p)φ = 360°, r = 0.1mm.
Fig 11.
Support reactions of the bearings (r = 0mm).
(a) Primary bearing. (b) Auxiliary bearing. c) Needle bearing.
Fig 12.
Constraint force of the cross-slip ring (r = 0mm).
(a) Effect on the orbiting scroll. (b) Effect on the frame.
Fig 13.
Support reactions of the bearings with clearance (r = 0.01mm).
(a) Primary bearing. (b) Auxiliary bearing. (c) Needle bearing.
Fig 14.
Support reactions of the bearings with clearance (0.01<r≤0.1mm).
(a) Primary bearing. (b) Auxiliary bearing. (c) Needle bearing.
Fig 15.
Contact load caused by the cross-slip ring (0<r≤0.1mm).
(a) Impact on the orbiting scroll. (b) Impact on the frame.
Fig 16.
Velocity of the orbiting scroll.
Fig 17.
Centroid trajectory of the orbiting scroll.
(a) Non-standard circular centroid trajectory. (b) Locally enlarged of the centroid trajectory.
Fig 18.
Motor torque curves in different clearance.