www.jbj.co.uk/couplings.html#flender 31 #DriveLineHarmony ARPEX ARF-6 Series Introduction Torsionally Rigid All-Steel Couplings Technical specifications Size Rated Torque TKN (Nm) Maximum Torque TKmax (Nm) Overload Torque TKOL (Nm) Fatigue Torque TKW (Nm) Maximum Speed nKmax (rpm) +ΔKa (mm) +ΔKw +ΔKr (mm) Torsional Stiffness CTdyn (MNm/rad) Maximum Permitted Shaft Misalignment Power Ratings The values for torsional stiffness apply to the complete coupling. The torsional stiffness of the plate packs applies to the rated coupling torque T . KN To determine the torsional stiffness for a specific operating point, e.g. for calculating torsional vibration, the manufacturer must be consulted. 171-6 900 1700 2450 400 6100 2.74 0.7 ° 0.24 0.57 132-6 350 650 950 160 7950 2.02 0.2 0.2 84-6 120 220 330 55 12500 1.1 0.16 0.07 111-6 190 350 520 90 9450 1.8 0.16 0.13 147-6 500 900 1350 230 7100 2.4 0.2 0.28 182-6 1450 2600 4000 650 5750 2.86 0.29 0.66 202-6 2150 3900 5800 980 5200 3.06 0.29 0.77 218-6 3200 5800 8700 1450 4800 3.14 0.37 1.25 252-6 4500 8100 12000 2000 4150 3.7 0.45 1.55 267-6 6100 11000 16500 2800 3900 3.84 0.46 1.8 » T permitted only five times per hour. Kmax The permitted shaft misalignments ΔKa, ΔKr and ΔKw aremaximum values andmust not occur at the same time (see following table). » T for medium torque T = 0 Nm. KW N » If T and T occur at the same time, themanufacturer must be consulted. N KW Permitted Shaft Misalignment Permitted Angular Misalignment ΔK (tension +) w 0.0° 0.2° 0.3° Permitted Axial Misalignment ΔK (mm) a 0.4° 0.5° 0.6° Size 0.1° 0.7° 111-6 1.8 1.54 1.29 1.03 0.77 0.51 0.26 0 84-6 1.1 0.94 0.79 0.63 0.47 0.31 0.16 0 218-6 3.14 2.69 2.24 1.79 1.35 0.9 0.45 0 132-6 2.02 1.73 1.44 1.15 0.87 0.58 0.29 0 147-6 2.4 2.06 1.71 1.37 1.03 0.69 0.34 0 171-6 2.74 2.35 1.96 1.57 1.17 0.78 0.39 0 202-6 3.06 2.62 2.19 1.75 1.31 0.87 0.44 0 267-6 3.84 3.29 2.74 2.19 1.65 1.1 0.55 0 182-6 2.86 2.45 2.04 1.63 1.23 0.82 0.41 0 252-6 3.7 3.17 2.64 2.11 1.59 1.06 0.53 0
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