Calculation Methods; Out-Of-Roundness - Bosch BSA 42 Serie Instrucciones De Funcionamiento

8.�

Calculation methods

8.�.1 Deceleration
Deceleration is a measure of the performance of a
braking system. It is specified as the percentage ratio
of braking force to weight.
Total deceleration
F - F
front rear
Z = x 100 %
G
total
Z Deceleration in percent
F Front axle braking force
front
F Rear axle braking force
rear
G Total weight
total
G Vehicle weight
auto
G Weight of tester
tester
��le deceleration
F
axis
Z = x 100 %
G
axis
Z Deceleration in percent
F Axle braking force
axis
G Axle weight
axis
Parking brake deceleration
F
hand
Z = x 100 % , G
total
G
total
Z Deceleration in percent
F Braking force of parking brake
hand
G Total weight
total
G Vehicle weight
auto
G Weight of tester
tester
Robert Bosch GmbH
, G = G + G
total auto tester
= G + G
auto tester
�ppendi� | BS� ���� | �1
8.�.�

Out-of-roundness

The pedal force is kept constant. The BSA 42xx mea-
sures the resultant minimum and maximum braking
force. The out-of-roundness is calculated as follows:
F - F
max min
(~) = x 100 %
F
max
(~) Out-of-roundness in percent
F Maximum braking force
max
F Minimum braking force
min
BS� ���� | �1 | �1 en
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1 691 506 010 2009-05-25