Timing Belts Catalogue

56Timing beltsPU Linear/Torque ATL20 steel cord» Standard tolerances› width: ± 1,0 mm› height: ± 0,4 mm› length: ± 0,5 mm/m» General properties› pitch 20 mm› thermoplastic polyurethane› hardness 92° Shore A› max. width up to 150 mm› min. length for jointed belt (W) 840 mm› length between 1,500 to 22,700 mm (PU Torque)› high performance steel cords› max. speed 6,500 rpmForce / Elongation [%]Technical dataATL20 SteelForce [N]Elongation [%]35000300002500020000150001000050000 0,1 0,2 0,3 0,4 0,5Standardbeltwidthw tb[mm]graphallowable tensileloadTyp L Fal [N]Typ T Fal [N]allowable tensileloadTyp W Fal [N]breaking loadFBr [N]spec. spring ratioCspec [N]belt weightper metrem [kg/m]25 7600 2800 29700 1890000 0,2832 10100 3600 39600 2520000 0,3650 16000 5850 62700 3990000 0,5675 24400 9000 95700 6000000 0,84100 31900 12600 125400 7900000 1,12150 48700 18500 191400 1200000 1,68Specific tooth force/power/torque*speed [1/min]Specific tooth forceFspec [N/mm]Specific powerPspec [W/mm]0255075100150200300400500750100012501500175020003000400015,14 14,81 14,41 14,20 13,87 13,36 12,940 12,23 11,590 11,04 9,94 9,08 8,37 7,78 7,21 6,82 5,42 4,390,000 0,123 0,240 0,355 0,462 0,668 0,863 1,223 1,545 1,840 2,485 3,027 3,488 3,890 4,206 4,547 5,420 5,853Specific torqueTspec [Ncm/mm]* max. force/power/torque per tooth in mesh and per mm belt width4,819 4,714 4,587 4,520 4,415 4,253 4,119 3,893 3,689 3,514 3,164 2,890 2,664 2,476 2,295 2,171 1,725 1,397Specific tooth force Fspec [N/mm]Specific power Pspec [W/mm]Specific torque Tspec [Ncm/mm]15,07,006,0013,06,005,00Copyright © Ammeraal Beltech 200611,09,07,05,03,01,0 1000 2000 3000 4000speed [1/min]5,004,003,002,001,000,00 1000 2000 3000 4000speed [1/min]4,003,002,001,000,00 1000 2000 3000 4000speed [1/min]