www.jbj.co.uk/couplings.html#flender 25 #DriveLineHarmony ARPEX ARW-4/-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 Tension (mm) -ΔKa Compression (mm) +ΔKw +ΔKr (mm) Torsional Stiffness CTdyn (MNm/rad) Maximum Permitted Shaft Misalignment Power Ratings 101-4 92 140 230 37 10400 2.4 2 51.8 0.006 133-4 225 340 560 90 7850 3.3 2.2 51.7 0.012 167-4 450 680 1130 180 6250 4.2 2.2 5 1.6 0.028 196-4 800 1200 2000 320 5350 5.1 2.2 51.6 0.068 230-4 1250 1880 3200 500 4550 5.7 2.2 5 1.6 0.108 260-4 2000 3000 5000 800 4000 6.6 2.2 51.5 0.174 292-4 2700 4100 6800 1080 3550 7.5 2.8 51.4 0.275 324-4 3850 5800 9700 1540 3200 8.4 2.8 51.4 0.451 547-4 19000 29000 48000 7600 1900 13.4 4.8 50.7 2.03 389-4 6650 10000 16700 2660 2700 10 2.8 51.4 0.657 499-4 13300 20000 34000 5320 2100 12.4 4.8 50.8 1.32 880-6 80000 120000 200000 32000 1150 22 4.8 50.5 21.2 695-6 41000 62000 103000 16400 1500 17 4.8 50.7 10.1 The torsional stiffness values apply to the entire coupling with shaft distance S = 1000 mm. 355-4 5250 7900 13200 2100 2950 9 2.8 3.0 ° 51.4 0.622 The radial misalignment ΔK applies to a type NHN coupling with a shaft distance S = 1000 mm. r » If T and T occur at the same time, the manufacturer must be consulted. N KW » T permitted only five times per hour. Kmax 439-4 9850 15000 25000 3940 2350 11.1 3 51.3 1.08 817-6 65000 98000 163000 26000 1250 20 4.8 50.5 16.9 » T for medium torque TN = 0 Nm. KW The torsional stiffness of the plate packs applies to the rated coupling torque TKN Note: for S = 1000 mm 647-4 32500 49000 82000 13000 1600 16 4.8 50.6 3.93 756-6 52000 78000 130000 20800 1350 18 4.8 50.6 14 600-4 25150 38000 63000 10060 1750 14.6 4.8 50.6 2.73 The permitted shaft misalignments ΔK , ΔK and ΔK are maximum values and must not occur at the same time (see following table). a r w To determine the torsional stiffness for a specific operating point, e.g. for calculating torsional vibration, the manufacturer must be consulted. The radial misalignment ΔK for other shaft distances S is calculated as follows: ΔK = (S – S1) tan(ΔK ) r r w
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