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Belt characteristics
• Polyurethane timing belt with evolvent tooth, high tensile load
steel cords and high torque capacity. Produced according to
ISO 13050
• Metric pitch 8 mm
• Low noise generation in high speed drives
• Offers excellent operational reliability in linear positioning and
medium power transmission applications
• Widely used in automatic doors
• The special profile allows smooth running properties
• Width tolerance: ±0,5 [mm]
• Length tolerance: ±0,5 [mm/m]
• Thickness tolerance: ±0,2 [mm]
rpm
F
Uspez
[N/cm]
rpm
F
Uspez
[N/cm]
rpm
F
Uspez
[N/cm]
rpm
F
Uspez
[N/cm]
Belt width
b
[mm]
Allowable
tensile load
Type M
F
Tzul
[N]
Allowable
tensile load
Type V
F
Tzul
[N]
Breaking
load
Type M
F
Br
[N]
Specific
spring rate
Cspez
[N]
Weight
[kg/m]
10
15
20
30
50
85
100
1320
1980
2860
3960
7040
12540
14300
330000
495000
715000
990000
1760000
3135000
3575000
5700
8550
12350
17100
30400
54150
61750
660
990
1430
1980
3520
6270
7150
0,07
0,10
0,13
0,20
0,33
0,56
0,66
Tooth shear strength
Other widths are available on request.
0
74,10
20
73,05
40
72,06
60
71,13
80
70,26
100
69,43
200
65,98
300
62,11
400
59,43
500
57,08
600
55,02
700
53,18
STD8M
Technical data
4500 26,79
5000 25,14
5500 23,65
6000 22,28
1900 39,76
2000 39,02
2200 37,62
2400 36,34
2600 35,15
2800 34,04
3000 33,00
3200 32,02
3400 31,10
3600 30,23
3800 29,40
4000 28,61
800
51,53
900
50,03
1000 48,66
1100 47,39
1200 46,22
1300 45,12
1400 44,10
1440 43,70
1500 43,13
1600 42,22
1700 41,36
1800 40,54
Load / Elongation [ % ]
Tooth shear strenght / rpm
The specific load F
Uspez
is the maximum load which one single
belt tooth 1 cm wide can withstand in all operating conditions.
This force is related to the drive rpm.
The total load F
U
transmissible by the belt in the dr ive is
calculated by:
F
U
[N] = F
Uspez
•
z
e
•
b
F
U
[N]
= peripheral force
F
Uspez
[N/cm] = specific load
z
e
= number of teeth in mesh in the small pulley
z
emax
= max. no of teeth in mesh to be considered
for the calculation of the drive
z
emax
= 12 for ELATECH
®
M
z
emax
= 6 for ELATECH
®
V
b [cm]
= belt width in cm
F
Uspez [N/cm]