Description
| Specification | ||||||
| Type | SWL2.5 | SWL5 | SWL10 SWL15 | SWL20 | SWL25 | SWL35 |
| Maximum hoisting force kN | 25 | 50 | 100/150 | 200 | 250 | 350 |
| Maximum tensile kN | 25 | 50 | 99 | 166 | 250 | 350 |
| Worm wheel and worm screw drive ratio(P) | 6:1 | 6:1 | 7:1 | 8:1 | 10:1 | 10:1 |
| Worm wheel travel per turn(mm) | 1.0 | 1.167 | 1.565 | 1.5 | 1.5 | 1.5 |
| Worm wheel and worm screw drive ratio(M) | 24:1 | 24:1 | 24:1 | 24:1 | 32:1 | 32:1 |
| Worm wheel travel per turn(mm) | 0.250 | 0.292 | 0.5 | 0.5 | 0.5 | 0.5 |
| Worm screw torque N.m | 18 | 44.2 | 10.8 | 182 | 314 | 398 |
| Maximum allowable power kW | 0.55 | 1.1 | 2.6 | 3.7 | 4.8 | 6.0 |
| Total efficiency of common ratio(p)% | 223 | 21 | 23 | 21 | 19 | 18 |
| Total efficiency of slow-speed ratio(p)% | 14 | 12 | 15 | 13 | 11 | 11 |
| Lubricant quantity | 0.1 | 0.25 | 0.5 | 0.75 | 1.1 | 1.9 |
| Weight without travel added(kg) | 7.3 | 16.2 | 25 | 36 | 70.5 | 87 |
| Weight of screw per100mm(kg) | 0.45 | 0.82 | 1.67 | 2.15 | 4.15 | 5.2 |
| Note: 1.The maximum allowable power is the parameter under the condition that the ambient temperature is 20℃ and the working persistence rate is 20%/h worm speed is 1500 r/min. 2.Total power is a parameter applicable for grease lubrication. 3.Ambient temperature for service -20℃~+80℃. 4.Usually self-lock may function at static status.    |
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