Preventing Disc Brake Squeal using a Thin Plate Shim

This article reports on a study that investigated the use of a thin plate shim to prevent disc brake squealing. The authors stress that squealing from car disc brakes is a source of considerable discomfort and leads to customer dissatisfaction. Good braking performance without noise is considered to be a big market advantage. The authors’ study goal was to eliminate disc brake squeal up to 10 kHz using a thin plate shim. First, they used a drag-type brake dynamometer to investigate squeal occurrences in a disc brake assembly without thin plate shim. Having identified the dominant squeal frequencies, several shapes of thin plate shim were then proposed and tested. The authors wanted to use thin plate shims to modify contact pressure distribution on the brake pads. They conclude that a good shim can effectively suppress and prevent squeal frequencies generated by a disc brake system.

Language

  • English

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Filing Info

  • Accession Number: 01375652
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 18 2012 4:11PM