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A Study on the Calculation of Drum Brakes Efficiency Factor(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
1999年03期
Page:
32-35
Research Field:
Publishing date:

Info

Title:
A Study on the Calculation of Drum Brakes Efficiency Factor
Author(s):
WangLiangmo SunGang ① YuPengxiao LuQiang PengYuhui
School of Mechanics,NUST,Nanjing 210094)
Keywords:
automobiles drum brakes braking force
PACS:
U461.3
DOI:
-
Abstract:
The reversible selfOenergizing drum brake is under complex forces and inf luenced by a variety of factors, it’s rather dif ficult to calculate the ef ficiency factor of the brake. In this paper, a mechanical model of the reversible self-energ izing drum brake is established. The eff-i ciency factor of the brake is calculated in two w ays, and the ef ficiency factor is obtained f rom the braking torque measured on a test machine. A comparat ive analysis is made betw een the test results and the calculated ones. The result s show that the mechanical model of the reversible self -energizing drum brake is in bet ter ag reement w ith the pract ice, and the calculat ing method is both accurate and simple.

References:

1 张洪欣. 汽车设计.北京: 机械工业出版社, 1981.451~ 519
2 [ 日] 小林明.汽车力学.刘树成译. 北京: 机械工业出版社, 1982.194~ 221

Memo

Memo:
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Last Update: 2013-03-29