Sicor MR21 - Checking the Stroke

AC MUM0096 rev. 07 - 29 -
MR21
18.3. CHECKING THE STROKE
Make sure that the brake opening lever (6) is in the closed
posion. Manually press the electromagnet pin (5) right down and
then measure the clearance between the adjusng nut (1) and
the brake shoe (). If the clearance is < 0.5 mm, the stroke must be
adjusted immediately.
0
50
100
150
200
250
300
114 90
Braking torque
L [mm]
Torque [Nm]
C nom.
Machine
type
D
(Ø Brake drum)
[mm]
L
(minimum)
[mm]
Maximum braking
torque [Nm]
Brake lining
fricon coecient
[Nm]
MR21 255 90 250 0.44
1
2
5
6
1
2
5
BRAKE ON
(brake shoes closed)
POS 1
BRAKE OFF
(brake shoes open)
POS 2
BRAKE OFF
(brake shoes open)
POS 2