DELTA DB RKC Size DB 120-1 RKC DB 120-2 RKC DB 180-1 RKC DB 180-2 RKC DB 250-1 RKC DB 250-2 RKC DB 350-1 RKC DB 350-2 RKC DB 500-1 RKC DB 500-1 RKC DB 700-1 RKC DB 700-2 RKC Torque (Nm) Displacement min. max. Radial (mm) Angle (Degrees) 0,5 5 0,15 0,5 1 10 0,15 0,5 2 10 0,2 0,5 4 20 0,2 0,5 7 34 0,3 0,75 14 68 0,3 0,75 20 90 0,35 0,75 40 180 0,35 0,75 50 300 0,4 0,75 100 600 0,4 0,75 115 690 0,5 0,75 230 1360 0,5 0,75 Order example: Torque Limiting Couplings DELTA Series DB with Chain Coupling RKC DELTA DB RKC Torque Limiter couplings are strong and uncomplicated overload protection for the connection of two shafts. They consist of a normal Torque Limiter series DB with sprocket built in and an additional sprocket with hub. The two sprockets are connected with a double roller chain type DIN 8187 ISO R606B, tight but slightly elastic. The two ends of the chain are connected with a connecting link. DELTA DB RKC Torque Limiters are used as overload protection when a small parallel or angle deviation of the connecting shafts cannot be excluded. DELTA DB RKC Torque Limiters can be applied in a horizontal or vertical position. The operating temperature are between –20°C and +250°C. Maximum temperatures of +350°C are possible. D D D A K LRN D1 L A LKR D2 DELTA DB RKC Size Sprocket Size/Teeth Torque limiter Sprocket Dimensions [mm] Pilot bore Bore max. Pilot bore (mm) D2 Bore max. (mm) DB 120-1 RKC 06B-19 3,7 10 6 25 66 30 DB 120-2 RKC 06B-19 3,7 10 6 25 66 30 DB 180-1 RKC 06B-22 5,7 22* 7, 450 76 45 DB 180-2 RKC 06B-22 5,7 22* 7, 450 76 45 DB 250-1 RKC 08B-22 10 24* 11 50 102 64 DB 250-2 RKC 08B-22 10 24* 11 50 101 64 DB 350-1 RKC 10B-24 13 30* 1 80 137 90 DB 350-2 RKC 10B-24 13 30* 1 80 136 90 DB 500-1 RKC 12B-28 19 45* 2 1210 188 127 DB 500-1 RKC 12B-28 19 45* 2 1210 188 127 DB 700-1 RKC 16B-28 24 65* 2 14 0 251 178 DB 700-2 RKC 16B-28 24 65* 2 14 0 251 178 * Feather keyway according to DIN 6885-3 40 54 31 21,5 1,5 40 54 31 21,5 1,5 55 56 33 21 1,5 55 56 33 21 1,5 75 76 48 22 5,5 75 76 48 22 5,5 105 103 62 34 6,0 105 103 62 34 6,0 150 120 76 38 6,0 150 120 76 38 6,0 200 167 98 56 13,0 200 167 98 56 13,0 DA D DK L LRN LKR A DELTA DB RKC 250 2 TF Ø 20 6 P9 Ø 25 8 P9 Type Size Disc spring layer Bore torque limiter (D1) Keyway torque limiter Bore sprocket (D2) Keyway sprocket www.jbj.co.uk/torque-limiting-couplings.html 16 #DriveLineHarmony
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