Bosch rexroth MCL, Project Planning Manual

Page: 161 / 206

Constant deceleration
Final velocity = 0
If the determined regenerative power according to Fig. 11-27 is
negative, no energy is fed back, i.e. energy must be supplied to
the motor during braking.
11.6 Efficiency
The efficiency of electrical machines is the ratio between output and input
power and, in the case of linear motors, is determined by the application-de‐
pendent travel speeds and forces and the corresponding motor losses.
The motor efficiency can be determined or estimated with the help of
fig.
11-28 "Efficiency determination for linear motors" on page 153 .
η Efficiency
P
mech
Mechanical power in W
P
V
Power loss in W
F Feed force in N
v Velocity in m/s
Fig. 11-28: Efficiency determination for linear motors
MCL Ironless Linear Motors 153/197
Motor dimensioning
R911330592_Edition 06 Bosch Rexroth AG