www.jbj.co.uk/couplings.html#flender 4 #DriveLineHarmony N-ARPEX ARN-6/-8/-10 Series Introduction Torsionally Rigid All-Steel Couplings Size DA (mm) Type Rated Torque TKN (kNm) Maximum Torque TKmax (kNm) Overload Torque TKOL (kNm) TKw0 T 0%T N = KN (kNm) 25%TKN (kNm) 50%TKN (kNm) 75%TKN (kNm) T =T • (1 - T /T ) Kw Kw0 N KN Maximum Speed nKmax (rpm) Torsional stiffness for a disc pack CTdyn (MNm/rad) ±ΔKa ±ΔKw 354-8 8-Bolt 56 112 140 28 21 14 7 5900 3 0.4 ° 29.1 411-8 93 186 232 46.5 34.875 23.25 11.625 5100 3.4 46.9 694-10 630 1103 1418 252 189 126 63 3000 2.7 405 184-6 6-Bolt 3.8 7.6 9.5 1.9 1.425 0.95 0.475 11000 3.2 1.0 ° 1.83 241-8 15 30 37 7.5 5.625 3.75 1.875 8700 1.9 7.64 631-10 450 788 1013 180 135 90 45 3300 2.5 274 10-Bolt 790-10 950 1663 2138 380 285 190 95 2600 3 0.2 ° 632 174-6 2.5 5 6.25 1.3 0.975 0.65 0.325 12000 3 1.19 86-6 0.35 0.7 0.875 0.175 0.131 0.088 0.044 24000 1.2 0.132 203-6 5 10 12.5 2.5 1.875 1.25 0.625 10000 3.4 2.59 133-6 1.25 2.5 3.125 0.625 0.469 0.313 0.156 15000 2.2 0.608 251-6 10.5 21 26.25 5.5 4.125 2.75 1.375 8000 4.1 4.71 103-6 0.5 1 1.25 0.25 0.188 0.125 0.063 20000 1.4 0.206 318-6 23 46 57.5 11.5 8.625 5.75 2.875 6500 5 10.94 262-8 20 40 50 10 7.5 5 2.5 8000 2.1 9.09 219-8 10 20 25 5 3.75 2.5 1.25 9500 1.7 6.31 268-6 13.8 27.6 34.5 6.9 5.175 3.45 1.725 7500 4.2 5.63 285-8 27 54 67 13.5 10.125 6.75 3.375 7300 2.2 11.9 291-6 18.2 36.4 45.5 9.1 6.825 4.55 2.275 7000 4.6 8.27 302-8 35 70 87 17.5 13.125 8.75 4.375 6900 2.4 16.2 447-8 122 244 305 61 45.75 30.5 15.25 4600 2.5 60.3 321-8 43 86 107 21.5 16.125 10.75 5.375 6500 2.5 21.9 122-6 0.95 1.9 2.375 0.475 0.356 0.238 0.119 17000 2 0.463 159-6 2.1 4.2 5.25 1.05 0.788 0.525 0.263 13000 2.6 0.986 495-8 160 320 400 80 60 40 20 4200 3 76.9 546-8 212 424 530 106 79.5 53 26.5 3800 3.4 100 587-8 270 540 675 135 101.25 67.5 33.75 3500 3.6 116 217-6 6.2 12.4 15.5 3.1 2.325 1.55 0.775 9500 3.4 3.28 631-8 350 700 875 175 131.25 87.5 43.75 3300 3.8 138 495-10 200 350 450 80 60 40 20 4200 2 150 546-10 270 473 608 108 81 54 27 3800 2.3 194 0.3 ° 343-6 28 56 70 14 10.5 7 3.5 6000 5.3 12.15 387-8 72 144 180 36 27 18 9 5400 3.3 40 587-10 352 616 792 140.8 105.6 70.4 35.2 3500 2.4 236 734-10 760 1330 1710 304 228 152 76 2800 2.8 501 887-10 1400 2450 3150 560 420 280 140 2300 3.5 858 988-10 2000 3500 4500 800 600 400 200 2100 3.9 1163 Notes » The permitted shaft misalignments ΔK , ΔK and ΔK are maximum a r w values andmust not occur at the same time (see table on page 5). » The maximum permissible radial misalignment depends on the shaft distance S. It can be determined for the stated types by using the following formulas: NEN/NHN: ΔK = (S - S1) ⋅ tan(ΔK ) r w BEB, MCECM/ MCHCMandMFEFM/ MFHFM: ΔK = (LZ + S1) ⋅ tan(ΔK ) r w » T is permitted five times per hour. Kmax » The torsional stiffness of the plate packs relates to the nominal range of the coupling. For determination of torsional stiffness for a specific operating point outside the nominal range contact jbj Techniques technical office, telephone +44 (0)1737 767493 or email info@jbj.co.uk » Length-related values like torsional stiffness, total weight and mass moment of inertia are listed in the tables on . pages 20 to 22 Maximum permitted shaft misalignment. (Permissible radial misalignment ΔK depends on the r total length of the coupling) Fatigue Torque
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