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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Distribution bearing fault analysis and cleaning methods Analysis of the problem of transmission bearing and its cleaning method
A CA6440 light passenger car; after traveling for 40,000 kilometers; the rear axle bearing (50306#) of the transmission list was damaged. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
In the process of sweeping out this problem; several times to dismantle the transmission; no abnormalities were found, measure the torsion bar spring adjustment screw; the height is 42mm; the rules of the fit rule, see the spline groove between the torsion bar spring and the two fixed arms The orientation will collapse all the two levers; no problem is found. Only the rubber pad between the torsion bar spring adjustment screw and the rear fixed arm on the left side is damaged; after replacing the rubber pad; the problem is removed. It has traveled more than 5,000 kilometers so far; the bearing The homework is still normal.
CA6440 light passenger car; the front suspension adopts the vertical torsion bar type spring independent suspension; the connecting rod is connected with the frame and the steering knuckle. The torsion bar spring is connected with the lower control arm through the twisting arm; the lower control arm passes the front The beam is connected to the frame; it constitutes the front support.
The torsion bar spring is connected to the transmission support beam through the fixed arm and the adjusting screw; the transmission support beam is connected with the frame to form a rear support. The force and moment in all directions are transmitted by the connecting rod system; the torque is received by the torsion bar spring. During the running; when the front wheel encounters the impact force in the horizontal direction; the front wheel and the steering knuckle are transmitted to the transmission support beam and the frame through the torsion bar spring, and the front wheel encounters the impact force in the straight direction; Through the torsion bar spring to transform into a changing torque; transmitted to the transmission support beam and the frame. The front wheel is subjected to various impact and torque energy; by the tire, shock absorber, knuckle, tie spring, transmission beam and The frame and other parts are gradually absorbed; then ensure the smoothness and safety of the car. In order to make the two front wheels encounter the forces and moments in all directions; can effectively absorb and consume.
When the torsion bar spring is extended; a certain pre-torque force is added. This pre-torque is equivalent to a large spring; it cooperates with the damper to reduce the vibration effect; together, it effectively absorbs the force from all directions of the front wheel. The energy generated by the moment. In order to make the two spring torsion bars have the same pre-torque force; the device and adjustment of the torsion bar spring must be strictly operated according to the technical specifications; this way to ensure the transmission of force and moment and the energy absorption process of the two front wheels In the middle of the balance.
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Analysis of the problem of transmission bearing and its cleaning method
Source: China Bearing Network Time: 2018-07-13