SWLD Series Worm Gear Screw Jack with Flange Input for Construction Lifting
SWLD worm gear screw jack is one type of worm screw lifter with flange input, usually connected with motors. The worm gear screw jack can be used alone or in combination with right-angle steering gears, coupling, and transmission rob to form a system to accurately control up and down movements, propulsion, and flipping. Different worm gear screw jacks are suitable for different power motors and corresponding flange sizes, please check the following table for reference.
| Model | Motor Power | Flange Model |
| SWLD1T | 0.18kW, 0.37kW | 63B5 |
| SWLD2.5T | 0.37kW | 71B5 |
| SWLD5T | 0.75kW | 80B5 |
| 1.5kW | 80B5 | |
| SLWD10T/15T | 1.5kW | 80B5 |
| 2.2kW | 100B5,112B5 | |
| SWLD20T | 2.2kW | 100B5 |
| 3.0kW | 112B5 | |
| SWLD25T | 4.0kW | 100B5,112B5 |
| 5.5kW | 132B5 |
| Worm gear | high quality 9-4 copper | |
| Worm | 20CrMnTi | |
| Screw material | 45# steel finishing | |
| Housing material | HT250 cast iron | |
| Bearing | high load bearing,Chinese famous brand or C&U | |
| Oil seal | Chinese famous brands or NAK or SKF | |
| Model | SWLD2.5 | SWLD5 | SWLD10/15 | SWLD20 | SWLD25 | SWLD35 | SWLD50 | SWLD100 | SWLD120 | |
| Max lifting load(Kn) | 25 | 50 | 100/150 | 200 | 250 | 350 | 500 | 1000 | 1200 | |
| Screw diameter*threaddimension(mm) | Tr30*6 | Tr40*7 | Tr58×12 | Tr65*12 | Tr90*16 | Tr110*18 | Tr120*20 | Tr160*23 | Tr180*25 | |
| Worm Ratio | P | 6:1 | 6:1 | 7:1 | 8:1 | 10:1 | 10:1 | 10:1 | 12:1 | 12:1 |
| M | 24:1 | 24:1 | 23:1 | 24:1 | 32:1 | 32:1 | 32:1 | 36:1 | 36:1 | |
| Stroke for one input turn(mm) | P | 1.0 | 1.167 | 1.565 | 1.5 | 1.5 | 1.69 | 1.87 | 1.92 | 2.083 |
| M | 0.250 | 0.292 | 0.5 | 0.5 | 0.5 | 0.56 | 0.625 | 0.638 | 0.694 | |
| Max permissible power(kW) | 1.45 | 2.59 | 3.47 | 4.02 | 5.38 | 13.06 | 13.9 | 28.5 | 62 | |
| Weight per 100mmscrew & protective tube(kg) | 0.45 | 0.82 | 1.67 | 2.15 | 4.15 | 5.20 | 7.45 | 13.6 | 17.3 | |

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