swl series worm screw elevator, screw jack, lift

Determination of type 1. Type 1 = Screw jack with translating screw Type 2 = Screw jack with travelling nut2. Size = 2.5, 5, 10, 15, 20, 25,35 (×10KN)3. M = Low worm gear ratio with single start lifting screw P = High worm gear ratio with single start lifting screw4. Direction of lifting screw A = Upright B = Inverted5. Lifting screw end execution I = Column end II = Top flange III = Threaded end IV = Clevis end6. Stroke = mm7. Bellows 1. PVC bellow 2. Other bellows, specify in order8. Options F = Locked against rotation Example SWL 2.5 - M - 1 - A - II -250 - FType Size Ratio Type Direction End execution StrokeDetailed Product DescriptionModel SWL2.5 SWL5 SWL10 SWL15 SWL20 SWL25 SWL35 Max Capacity (KN) 25 20 100 150 200 250 350 Lifting screw Tr30*6 Tr40*7 Tr58*12 Tr58*12 Tr65*12 Tr90*16 Tr100*20 Ratio (P) 6:1 8:1 23:3 23:3 8:1 32:3 32:3 Ratio (M) 24:1 24:1 24:1 24:1 24:1 32:1 32:1 Raise per revolution (mm) (P) 1.0 0.875 1.565 1.565 1.56 1.5 1.875 Raise per revolution (mm) (M) 0.250 0.292 0.5 0.5 0.5 0.5 0.625 Start torque on lifting screw at max load 250 385 500 400 490 850 820 400 770 1000 800 980 1700 1640 Starting torque/Handwind torque at max load (Nm) (P) 18 39.5 119 179 240 368 464 Starting torque/Handwind torque at max load (Nm)(M) 8.86 19.8 60 90 122 217 253 Running efficiency (%)(P) 33 23 20.5 20.5 19.5 16 18 Running efficiency (%) (M) 11 11.5 13 13 12.8 9 11 Weight without spindle or protection tube (Kg) 7.3 16.2 25 25 36 70.5 87 Weight of lifting screw 100 mm (kg) 0.45 0.82 1.67 1.67 2.15 4.15 5.20 Lubrication ZGN-1 or ZGN-2 (-20-+100)Grease quantity 0.1 0.3 0.5 0.5 0.75 1.1 1.9 *) The holding torque is the torque on the input shaft which is required to prevent the load from being lowered.All copyright reserved