09 A 250 X 0300 A F B

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter33: Hydronic Heat
Section: Chapter Questions
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A brake jaw, A is pressed against the drum, B. Calculate the brake arm, X(m₂).
F= 250N
Braking torque = 30Nm
µ=0.35

Around point A:
Fm₂-Nm₁-µm₃=0
N=Fm₂/m1+ µm₃
MBrake =µ·D/2= µ·D/2
MBrake =Fµm₂D/2(m₁- µm₃)
(X)m₂=FµD/Mbrake·2(m1- µm₃)
(X)m₂=250·0.35.0.3/30·2(0.250-0.35·0.06)=?
I don’t get some likely value?

09
A
250
X
0300
A
F
B
Transcribed Image Text:09 A 250 X 0300 A F B
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