FAG Strand-Force Calculating-Programm "TBTC" for guiding values of belt tensions at belt transmissions.
Version: 1.1 Date: 07.04.2010
V-belts, Ribbed V-belts and Power belts:
Belt type: Belt masses: [kg/m]
V-belts: per belt
SPZ 0.074
SPA 0.123
Effective diameter SPB 0.195
of the smaller wheel SPC 0.377
10 0.064
13 0.109
Length of the free belt trum 17 0.196
20 0.266
Please insert the following values: 22 0.324
Machine Power 515.00 kW 25 0.420
Number of belts 12 32 0.668
Rotations of the smaller wheel 1790 RPM 40 0.958
Length of the free belt trum 1300 mm Ribbed V-belts: per 10 ribs
Effective diameter of the smaller wheel 355 mm PJ 0.082
Belt mass 0.693 kg/m PL 0.320
PM 1.100
Results: Power belts: per V-belt rib
Belt-Frequency 19 Hz SPZ 0.120
1673 NSPA 0.166
SPB 0.261
! Attention ! SPC 0.555
3V/9J 0.120
5V/15J 0.252
while they are in use. Ribbed V-belts and Power belts not ! 8V/25J 0.693
!! ATTENTION !!
The Trum-Force may not be higher than half of the maximum axial bearing load.
Please insert the following values: Belt type: Belt masses: [kg/m]
Machine Power 0 kW Toothed belts: per 10 mm width
Tooth-pitch 3 mm (Polyurethane)
Rotations of the smaller wheel 1000 RPM T 2,5 0.015
Number of teeth of the smaller wheel 50 T 5 0.024
Factor for application-range / machine-type 1 T 10 0.048
Length of the free belt trum 560 mm T 20 0.084
Belt mass 0.084 kg/m AT 3 0.023
AT 5 0.034
Results: AT 10 0.063
Belt-Frequency 0 Hz AT 20 0.106
0N
!Attention! Tighten the toothed belts maximally up to
the calculated trumm-force or frequency!
!! ATTENTION !!
The Trum-Force may not rise above the half of the maximum axial Bearing-Loading.
TRUMMY Belt-Tension Calculator
Belt-Strand-force (tension force)
V-belts need to be pulled with the Factor 1,3 compared to the
calculated Force at he first mounting, because this will reduce
Toothed Belts (Polyurethan):
Belt-Strand-force (tension force)
FAG Industrial Services GmbH makes its best efforts to ensure that the information presented is reliable a nd correct.
However, FAG Industrial Services GmbH does not assume any liability for damage or loss directly or indirectly caused in
connection with accessing or using this calculator owned and operated by third parties.
