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A.V.C COLLEGE OF ENGINEERING MANNAMPANDAL

A.V.C COLLEGE OF ENGINEERING MANNAMPANDAL. DEPARTMENT OF MECHANICAL ENGINEERING. Guided by : P.Amithkishore, M.E Asst.professor. Project members : S.Ashik farhath (80107144007) S.Nisarudeen (80107144030) S.Paramanandham (80107144032) N.Rajmohan (80107144507).

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A.V.C COLLEGE OF ENGINEERING MANNAMPANDAL

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  1. A.V.C COLLEGE OF ENGINEERINGMANNAMPANDAL DEPARTMENT OF MECHANICAL ENGINEERING

  2. Guidedby: P.Amithkishore, M.E Asst.professor Projectmembers: S.Ashik farhath (80107144007) S.Nisarudeen (80107144030) S.Paramanandham (80107144032) N.Rajmohan (80107144507) REDUCTIONOFCREEKNOISEPROBLEMINMOTORDRIVENPOWERSTEERING (MDPS)

  3. ABSTRACT: Now a days need of automobile such as cars, heavy trucks , containers..etc, are keep on increasing. But at the same time, problems in automobiles also increases. Our project is in the steering system particularly in Motor Driven Power Steering (MDPS) system. In this system, various noises like rattle noise, creek noise, dol dol noise, steur steurnoise produced. Among these noises, creek noise is the major problem produce in MDPS. So we have to do the project in this noise. In this MDPS, creek noise happens in between the worm shaft and motor. This noise is produced because of two factors such as less amount of grease and the coupler design of motor in MDPS.

  4. Motor Driven Power Steering(MDPS)

  5. Motor Driven Power Steering • A motor driven power steering system includes a steering column connected to a steering wheel. • A motor with a rotation shaft is connected to the steering column.

  6. Contd… • Worm wheel and worm shaft are meshed and connected with the steering column. • Electronic control unit(ECU) which is a controlling device also attached with the steering column.

  7. NOISE PROBLEMS IN MDPS • Creek noise • Rattle noise • Steur Steur noise • Dol Dol noise

  8. Creek Noise: It is the unwanted sound occur in between the worm shaft and motor coupler of motor driven power steering. Reason: • Less amount of Grease • design of Motor coupler

  9. GREASE LESS IN MOTOR Less grease Less grease Worm shaft Motor ass’y

  10. METHODOLOGY: • Automated Grease apply(through automated machine) instead of Manual in between the worm shaft input and Motor coupler .

  11. PHOTOS

  12. GREASE AMOUNT MONITORING LIMIT SWITCH INCREASED LEVEL

  13. Grease flow study in various time

  14.  PROBLEM CONDITION -

  15. From the graph, we come to know that the noise level in the MDPS is “very much below to the acceptable limit” through the performance tester machine. Hence the creek noise produced in the power steering is reduced.

  16. CONCLUSION • Hence the creek noise in the “MOTOR DRIVEN POWER STEERING” is reduced within the limit by means of automatic application of grease.

  17. THANK YOU

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