T2,5-DL CONTI® SYNCHROFLEX polyurethane timing belt

Version:

  • Double-sided
  • Standard T profile according to DIN 7721 with metric pitch and trapezoidal teeth
  • The technical data refer to the standard casting polyurethane and standard steel cord tension members
  • Preferred belt widths: 4, 6, 10 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 317,5 127 CAD
CAD 415 166 CAD
CAD 457,5 183 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 9,030 0,359 0,000 2200 4,800 0,191 0,440
20 8,720 0,347 0,007 2400 4,700 0,187 0,470
40 8,480 0,337 0,014 2500 4,650 0,185 0,484
60 8,280 0,329 0,021 2600 4,600 0,183 0,499
80 8,100 0,322 0,027 2800 4,510 0,180 0,527
100 7,950 0,316 0,033 2880 4,480 0,178 0,538
150 7,640 0,304 0,048 3000 4,430 0,176 0,554
200 7,390 0,294 0,062 3200 4,360 0,173 0,581
300 7,010 0,279 0,088 3400 4,280 0,170 0,607
400 6,710 0,267 0,112 3600 4,220 0,168 0,632
500 6,480 0,258 0,135 3800 4,150 0,165 0,657
600 6,280 0,250 0,157 4000 4,090 0,163 0,682
700 6,110 0,243 0,178 4500 3,950 0,157 0,740
730 6,070 0,241 0,185 5000 3,820 0,152 0,796
800 5,970 0,237 0,199 5500 3,710 0,148 0,850
900 5,830 0,232 0,219 6000 3,600 0,143 0,901
1000 5,710 0,227 0,238 6500 3,510 0,140 0,950
1100 5,610 0,223 0,257 7000 3,420 0,136 0,997
1200 5,510 0,219 0,275 7500 3,330 0,133 1,042
1300 5,410 0,215 0,293 8000 3,260 0,130 1,086
1400 5,330 0,212 0,311 8500 3,180 0,127 1,128
1460 5,280 0,210 0,321 9000 3,110 0,124 1,168
1500 5,250 0,209 0,328 9500 3,050 0,121 1,207
1600 5,170 0,206 0,345 10000 2,990 0,119 1,245
1700 5,100 0,203 0,361 12000 2,770 0,110 1,384
1800 5,040 0,200 0,378 15000 2,500 0,099 1,561
1900 4,970 0,198 0,394 18000 2,280 0,091 1,708
2000 4,910 0,195 0,409 20000 2,150 0,086 1,791

2. Tension cord strength [N]

permitted tensile force of the belt Fzul

Belt width b [mm] 4 6 10 16 25 32
SYNCHROFLEX T2,5 39 65 117 195 312 403
SYNCHROFLEX T2,5-DL 39 65 117 195 312 403
SYNCHROFLEX T2,5-FA 39 65 117 195 312 403

3. Belt weights [kg/m]

Belt width b [mm] 4 6 10 16 25 32
SYNCHROFLEX T2,5 0,006 0,009 0,015 0,024 0,038 0,048
SYNCHROFLEX T2,5-DL 0,006 0,009 0,016 0,025 0,040 0,051
SYNCHROFLEX T2,5-FA 0,006 0,009 0,015 0,024 0,037 0,048

4. Flexibility

Minimum numbers of teeth, minimum diameter

( X ) without contraflexure

( X X ) with contraflexure

Belt width Number of teeth zmin ( X ) Tension roller dmin [mm] ( X ) Number of teeth zmin ( X X ) Tension roller dmin [mm] ( X X )
SYNCHROFLEX T2,5 10 15 18 15
SYNCHROFLEX T2,5-DL 10 15 18 15
SYNCHROFLEX T2,5-FA 10 15 18 15

T2,5-DL CONTI® SYNCHROFLEX Polyurethan-Zahnriemen