AT5 CONTI® SYNCHROFLEX polyurethane timing belt

Standard version:

  • Single-sided
  • High performance AT profile with metric pitch and trapezoidal teeth
  • Standard casting polyurethane
  • Standard steel tension members
  • Preferred timing belt widths: 10, 16, 25, 32, 50 mm

On request:

  • Double-sided; with flights on the back of the belt; with reinforced back of the belt; polyurethane special materials; further tension member versions (steel, textile tension member); antistatic, coloured, mechanical reworked
  • In-between widths, larger widths and other dimensions

Please consider our warranty.

standard storage goods
Length Teeth
[mm]
CAD 225 45 CAD
CAD 255 51 CAD
CAD 260 52 CAD
CAD 280 56 CAD
CAD 300 60 CAD
CAD 330 66 CAD
CAD 340 68 CAD
CAD 375 75 CAD
CAD 390 78 CAD
CAD 420 84 CAD
CAD 450 90 CAD
CAD 455 91 CAD
CAD 480 96 CAD
CAD 490 98 CAD
CAD 500 100 CAD
CAD 525 105 CAD
CAD 545 109 CAD
CAD 600 120 CAD
CAD 610 122 CAD
CAD 620 124 CAD
CAD 630 126 CAD
CAD 660 132 CAD
CAD 670 134 CAD
CAD 690 138 CAD
CAD 710 142 CAD
CAD 720 144 CAD
CAD 750 150 CAD
CAD 780 156 CAD
CAD 825 165 CAD
CAD 860 172 CAD
CAD 875 175 CAD
CAD 900 180 CAD
CAD 920 184 CAD
CAD 975 195 CAD
CAD 1050 210 CAD
CAD 1125 225 CAD
CAD 1230 246 CAD
CAD 1500 300 CAD
CAD 1750 350 CAD
CAD 2000 400 CAD
CAD 3800 760 CAD

Belt width b [cm]

\begin{align}
b& = {F_U \over {z_e \cdot F_{Uspez}}} && F_U [N] \\
b& = {100 \cdot M \over {z_1 \cdot z_e \cdot M_{spez}}} && M [Nm]\\
b& = {1000 \cdot P \over {z_1 \cdot z_e  \cdot P_{spez}}} && P [kW]
\end{align}

Load bearing characteristics of the drive

when belt width [cm] is

\begin{align}
F_{U}& = {F_{Uspez} \cdot z_e \cdot b} &&[N]\\
M& = {{M_{spez} \cdot z_1 \cdot z_e \cdot b} \over {100}} &&[Nm]\\
P& = {{P_{spez} \cdot z_1 \cdot z_e \cdot b} \over {1000}} &&[kW]
\end{align}

Number of teeth in mesh

\begin{align}
 z_{e max}& = {12}\\
 z_e& = {{{z_1} \over {180}} \cdot \arccos{{t \cdot (z_2 - z_1)} \over {2\pi \cdot a}}}\\
 \end{align}

 

1. Tooth shear strength

specific belt tooth strength

Rotational speed n [rpm] Fuspez [N/cm] Mspez [Ncm/cm] Pspez [W/cm] Rotational speed n [rpm] Fuspez [N/cm] Mspez [Ncm/cm] Pspez [W/cm]
0 38,79 3,09 0,00 2000 24,06 1,91 4,01
20 38,37 3,05 0,06 2200 23,43 1,86 4,30
40 37,95 3,02 0,13 2400 22,86 1,82 4,57
60 37,55 2,99 0,19 2600 22,32 1,78 4,84
80 37,17 2,96 0,25 2800 21,83 1,74 5,09
100 36,82 2,93 0,31 3000 21,36 1,70 5,34
200 35,24 2,80 0,59 3200 20,92 1,66 5,58
300 33,94 2,70 0,85 3400 20,50 1,63 5,81
400 32,83 2,61 1,09 3600 20,10 1,60 6,03
500 31,86 2,54 1,33 3800 19,73 1,57 6,25
600 31,00 2,47 1,55 4000 19,37 1,54 6,46
700 30,23 2,41 1,76 4500 18,54 1,48 6,95
800 29,53 2,35 1,97 5000 17,80 1,42 7,42
900 28,89 2,30 2,17 5500 17,12 1,36 7,85
1000 28,29 2,25 2,36 6000 16,50 1,31 8,25
1100 27,75 2,21 2,54 6500 15,92 1,27 8,62
1200 27,24 2,17 2,72 7000 15,39 1,22 8,98
1300 26,76 2,13 2,90 7500 14,89 1,18 9,31
1400 26,31 2,09 3,07 8000 14,42 1,15 9,61
1500 25,88 2,06 3,24 8500 13,98 1,11 9,90
1600 25,48 2,03 3,40 9000 13,56 1,08 10,17
1700 25,10 2,00 3,56 9500 13,17 1,05 10,42
1800 24,74 1,97 3,71 10000 12,79 1,02 10,66
1900 24,39 1,94 3,86        

Rotational speeds over 10000 rpm and/or belt speeds over 80 m/s are in need of a special drive design. Please request for our advice.

2. Tension cord strength [N]

permitted tensile force of the belt Fzul

Belt width b [mm] 6 10 16 25 32 50 75 100
SYNCHROFLEX AT5 350 700 1260 2030 2660 4200 6370 8610

3. Belt weights [kg/m]

Belt width b [mm] 6 10 16 25 32 50 75 100
SYNCHROFLEX AT5 0,020 0,034 0,054 0,085 0,109 0,170 0,255 0,340

4. Flexibility

Minimum numbers of teeth, minimum diameter

( X ) without contraflexure

( X X ) with contraflexure

Belt type Number of teeth zmin ( X ) Tension roller dmin [mm] ( X ) Number of teeth zmin ( X X ) Tension roller dmin [mm] ( X X )
SYNCHROFLEX AT5 15 25 20 60

AT5 CONTI® SYNCHROFLEX Polyurethan-Zahnriemen