Drum brake and manufacturing method for same

Drum brake and manufacturing method for same

CN
  • CN 103,573,874 A
  • Filed: 07/31/2012
  • Published: 02/12/2014
  • Est. Priority Date: 07/31/2012
  • Status: Active Grant
First Claim
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1. a manufacture method for brake drum, is characterized in that, comprising:

  • Step 1, the brake drum frame of manufacture steel;

    Step 2, manufacturing structure layer in described brake drum frame;

    Step 3, manufactures drag friction layer with the inner side of described construction layer.

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