Brake Noise Problem Resolution
I.D. # C0831 Duration 1 Day
Brake noise is one of the highest ranked complaints of car owners. Grunts, groans, squeaks, and squeals are common descriptions of the annoying problem which brake engineers spend many hours trying to resolve. Consumer expectations and the high cost of warranty repairs are pushing the optimization of brake NVH performance. This course will provide you with an overview of the various damping mechanisms and tools for analyzing and reducing brake noise. A significant component of this course is the inclusion of case studies which will demonstrate how brake noise squeal issues have been successfully resolved.
Learning Objectives
By attending this seminar, you will be able to:
  • Describe the various brake shim damping mechanisms
  • Compare the various brake shims available in the market place
  • Describe the various tools available to reduce brake noise
  • Utilize lessons learned in various brake noise problem case studies
Who Should Attend
The course is designed for a wide range of personnel from the brake test engineer who seeks to understand more about brake NVH to the experienced brake NVH/design engineer who wishes to know more about potential solutions. Anyone involved in the resolution of brake noise problems will find this course helpful.
Prerequisites
Participants should be familiar with brake hardware, basic terminology, and brake NVH measurement and testing. Previous attendance at SAE seminar ID# C0509, Hydraulic Brakes for Passenger Cars and Light Trucks and ID# C0802 Brake, NVH, Measurement, and Testing or equivalent experience and knowledge are highly recommended.
Seminar Content
  • Brief Review of Brake Noise
    • Types of brake noises
    • Frequency range
    • Source/path/receiver
  • Principles and Applications of Brake Shims
    • Damping
    • Role and purpose of brake shims
    • Different types of brake shims
    • Brake shims damping mechanisms
  • Tools for Brake Noise Analysis/Reduction
    • Brake noise categorization
    • Solution strategy
    • Investigative tools -- Testing; Simulation
  • Squeal
    • Brake pad design optimization
    • Pressure distribution optimization
    • Low frequency squeal
  • Moan/Groan
    • After-stop noise program -- Problem identification; Transmission of the road to the lab; Measurement systems; Root cause analysis; Solution
  • Questions and Answers Session
Instructor(s): Eric Denys
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Eric Denys is currently the Vice President of Sales, Marketing & Technology at Material Sciences Corporation where his technical specialization is in brake NVH. He previously worked for Federal-Mogul. Throughout his career, Mr. Denys has lead teams to achieve best-in-class in brake squeal on numerous vehicle lines and he is the recipient of the 2001 Ford Global Customer Satisfaction Award for his work on high mileage brake squeal reduction. His work has been published in numerous national and international papers, and in an SAE book on Disc Brake Squeal. He is a 6 Sigma Black Belt. Mr. Denys is the chairman of the SAE Brake NVH Standards Committee. He received a B.S. in Mathematics from the Jean-Bart University, France and a M.S. in Mechanical Engineering from the University of Technology of Compiegne, France and an MBA from the University Of Michigan.

Fees: $745 SAE Members*: $595 - $675
* The appropriate SAE Member discount will be applied through the Registration process.  Discounts vary according to level of membership: Elite Member 20%; Premium Member 15%; Classic Member 10%
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