COMINTEC
74
Grand. 2.90 [ 13
÷
450 ] Nm
H
(mm)
T0
)
T1
)
T2
))
T3
)))
10,6
11
105
11,4
99
140
11,8
89
124
12,2
74
101
12,6
49
74
13
13
40
13,4
280
13,8
256
14,2
213
14,6
158
15
90
15,4
450
15,8
415
16,2
353
16,6
276
17
185
The transmi
Ʃ
ed force of a torque limiter can be determined with one or more axial springs and di
ff
erent forces, depending on how they
are combined. E
ffi
cient controls on all components make it possible to realize tables for simple, easy and most of all, quick torque limiter
calibra
Ɵ
on, without any need of special equipment.
Search in the technical catalogues, in the table “torque calibra
Ɵ
on” the value that is closest to the required torque of the selected torque
limiter size and spring combina
Ɵ
on. Find the related value of “dimension H”. Alter the spring pressure by adjus
Ɵ
ng the ring nut un
Ɵ
l you reach
“dimension H”, the distance between nut ring and
fl
ange (see drawings). Finally,
fi
x the nut ring by its locking mechanism. With this calibra
Ɵ
on
system you obtain:
Torque calibra
Ɵ
on without removing the torque limiter.
Quick torque calibra
Ɵ
on.
Avoid calcula
Ɵ
ng and reading errors due to misinterpreta
Ɵ
on of drawings.
Simple varia
Ɵ
on or reset of the torque.
TORQUE LIMITERS
(SAFETY COUPLINGS)
- CLUTCHES: addi
Ɵ
onal informa
Ɵ
on
EXAMPLES OF DETERMINING, REGULATING AND CALIBRATING A TORQUE LIMITER
Electric motor:
power = 7,5 Kw
Rpm = 1450
f (safety factor) = 1,5
Use the following formula to get an idea of the interven
Ɵ
on
torque:
Find in the technical catalogue (in this case DF)
the required spring combina
Ɵ
on and the rela
Ɵ
ve dimension H
for the selected torque limiter (in this case 2.90 DF), to have
the desired torque (in this case springset T0 - dimension H
12,2 mm - torque 74Nm).
Please note: Due to the expansion coe
ffi
cient and the load loss
of all springs in general, the “dimension H” can vary slightly.
Torque range
Spring con
fi
gura
Ɵ
on
Torque limiter size
Measure dimension “H”
Torque calibra
Ɵ
on
CALIBRATION SYSTEM WITH “H” DIMENSION
You can
fi
nd all the calibra
Ɵ
on torque values by typing in ”dimension H” on our website “”.