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Belt characteristics
• Polyurethane timing belt with steel tension cords
• Trapezoidal tooth profile according to DIN 7721 T1
• Metric pitch 20 mm
• Ideal for drives where high belt flexibility is requested
• Widely used for conveying, linear drive and heavy power
transmission applications
• Width tolerance: ±1,0 [mm]
• Length tolerance: ±0,5 [mm/m]
• Thickness tolerance: ±0,4 [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
C
spez
[N]
Weight
[kg/m]
25
32
50
75
100
150
3520
4400
7040
10560
14080
21120
880000
1100000
1760000
2640000
3520000
5280000
15200
19000
30400
45600
60800
91200
1760
2200
3520
5280
7040
10560
0,18
0,24
0,37
0,55
0,73
1,10
Tooth shear strength
Other widths are available on request.
0
104,50
20
101,10
40
98,15
60
95,58
80
93,35
100
91,41
200
83,50
300
77,84
400
73,49
500
69,96
600
66,98
700
64,41
T20
Technical data
4500 30,92
5000 28,93
5500 27,14
6000 25,49
6500 23,97
1900 46,88
2000 45,94
2200 44,20
2400 42,61
2600 41,13
2800 39,77
3000 38,49
3200 37,29
3400 36,16
3600 35,10
3800 34,09
4000 33,13
800
62,15
900
60,13
1000 58,31
1100 56,64
1200 55,11
1300 53,70
1400 52,38
1440 51,87
1500 51,14
1600 49,98
1700 48,89
1800 47,86
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]