www.jbj.co.uk/couplings.html#flender 7 #DriveLineHarmony Sipex Series Power Ratings Backlash Free Couplings Power Ratings of Miniature Series TKN (Nm) TKOL (Nm) nKmax (rpm) CTdyn (Nm/rad) Radial Cr (N/mm) Axial Ca (N/mm) DKa (mm) DKr (mm) DKw (degrees) Permitted Shaft Misalignment Stiffness Torsional Stiffness Maximum Speed Maximum Torque Rated Torque Size 1 0.1 0.15 15000 65 10 14 0.2 0.1 1.5 258 128 18 0.2 0.1 1.5 5 0.5 0.75 15000 195 54 13 0.3 0.2 1.5 160 26 11 0.4 0.2 2 510 187 36 0.2 0.1 1.5 10 1 1.5 15000 380 82 27 0.3 0.2 1.5 308 42 22 0.4 0.2 2 750 139 23 0.3 0.1 1.5 15 1.5 2.25 15000 700 81 12 0.4 0.2 2 1510 147 18 0.3 0.2 1.5 20 2 3 15000 1300 96 14 0.4 0.2 1.5 1040 46 9 0.5 0.3 2 6480 444 47 0.3 0.1 1.5 45 4.5 6.75 15000 4100 108 29 0.5 0.2 2 8080 361 46 0.4 0.2 1.5 100 10 15 15000 6750 193 34 0.6 0.3 2 Power Ratings of Standard Series TKN (Nm) TKOL (Nm) nKmax (rpm) CTdyn (Nm/rad) Radial Cr (N/mm) Axial Ca (N/mm) DKa (mm) DKr (mm) DKw (degrees) Permitted Shaft Misalignment Stiffness Torsional Stiffness Maximum Speed Maximum Torque Rated Torque Size 19 200 50 0.5 0.2 1.5 18 18 27 12800 17 85 40 0.5 0.2 2.0 36 720 50 0.5 0.2 1.5 30 30 45 10300 26 220 30 0.8 0.2 2.0 75 1100 90 0.5 0.2 1.5 60 60 90 8700 50 330 55 0.8 0.2 2.0 128 1200 80 0.5 0.2 1.5 80 80 120 6900 75 400 55 0.7 0.2 2.0 155 2000 150 0.5 0.2 1.5 150 150 225 6900 102 600 85 0.6 0.2 2.0 175 2500 150 0.5 0.2 1.5 200 200 300 6400 120 450 85 0.7 0.2 2.0 502 6300 280 0.5 0.2 1.5 300 300 450 6000 282 1500 85 0.7 0.2 2.0 690 8800 100 0.5 0.2 1.5 500 500 750 5000 315 1000 85 0.8 0.2 2.0 800 800 1200 3700 760 510 190 0.8 0.2 1.8 1400 1400 2100 3700 1300 710 280 0.8 0.2 1.8 3000 3000 4500 2800 2800 8060 880 0.8 0.2 1.5 5000 5000 7500 2800 4800 9190 740 0.8 0.2 1.5 Permitted Shaft Misalignment The permitted shaft misalignments ΔKa, ΔKr and ΔKw are maximum values and must not occur simultaneously. The following formula can be used to calculate whether combinations of misalignments are permissible: ΔK + ΔK + ΔK < 1 r act a act w act ΔK ΔK ΔK r a w The different torsional stiffness values apply to the various lengths of metal bellows of the relevant SIPEX type.
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