Products Description
The square-shaped screw jack lift features a unique square-grooved housing that enhances heat dissipation capabilities of the outer shell and extends the service life of the lubricating grease. The selection of aluminum alloy as the housing material significantly improves the shell's strength and enables its wide application under high/low temperature conditions. A square tail cover design is employed to prevent the lead screw from rotating freely. Advanced processing equipment and assembly techniques guarantee high product quality, while innovative design concepts result in superior products that boast strong impact resistance, high strength, low noise levels, long service life, and compact size.
Product Advantages
1.The square-shaped screw jack lift supports heavy-duty applications with its robust structure, while the self-locking mechanism ensures operational safety under load without additional braking systems.
2.The unique square-grooved housing improves thermal efficiency, extending lubricant lifespan and reducing maintenance frequency in high-temperature environments.
3.Lightweight yet durable aluminum alloy housing offers superior strength-to-weight ratio, enabling reliable performance across extreme temperature ranges (-40°C to +80°C).
4.The square tail cover design prevents lead screw misalignment during operation, ensuring precise linear motion and minimizing wear.
5.Advanced CNC machining and rigorous quality control guarantee minimal backlash (<0.05mm), high positional accuracy, and consistent long-term reliability.
6.Space-saving dimensions allow flexible integration into existing systems, while modular components support easy customization for specific application requirements.
7.Optimized gear tooth profile and precision-ground screws reduce operational noise (<65dB) and vibration, making it suitable for noise-sensitive environments.
Products Selection
| Model | DMT2.5 | DMT5 | DMT10 | DMT20 | DMT50 | DMT80 | DMT100 | DMT200 | DMT300 | DMT450 | DMT450 | DMT1000 | |
| Maximum Load (KN) | 2.5 | 5 | 10 | 20 | 50 | 80 | 100 | 200 | 300 | 450 | 700 | 1000 | |
| Lead screw diameter and pitch | Tr14×4 | Tr18×4 | Tr20×4 | Tr30×6 | Tr40×7 | Tr50×8 | Tr60×9 | Tr80×12 | Tr100×16 | Tr120×16 | Tr140×20 | Tr160×20 | |
| Gear Ratio | P | 1:04 | 1:04 | 1:04 | 1:06 | 1:07 | 1:08 | 1:08 | 01:08.8 | 01:10.3 | 01:10.8 | 01:13.3 | 01:13.3 |
| M | 1:16 | 1:16 | 1:16 | 1:24 | 1:28 | 1:32 | 1:32 | 1:35 | 1:41 | 1:43 | 1:40 | 1:40 | |
| Screw travel length (mm) per turn of worm shaft(mm) | P | P | 1 | 1 | 1 | 1 | 1 | 1.125 | 1.371 | 1.56 | 1.49 | 1.5 | 1.5 |
| M | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.281 | 0.343 | 0.39 | 0.37 | 0.5 | 0.5 | |
| Starting Efficiency | P | 0.24 | 0.24 | 0.25 | 0.19 | 0.18 | 0.17 | 0.18 | 0.17 | 0.18 | 0.16 | 0.16 | 0.15 |
| M | 0.16 | 0.16 | 0.16 | 0.12 | 0.11 | 0.1 | 0.11 | 0.11 | 0.12 | 0.1 | 0.11 | 0.1 | |
| Efficiency % at 1500 rpm | P | 0.34 | 0.34 | 0.35 | 0.33 | 0.32 | 0.31 | 0.33 | 0.33 | 0.33 | 0.3 | 0.31 | 0.29 |
| M | 0.25 | 0.25 | 0.25 | 0.24 | 0.23 | 0.22 | 0.23 | 0.22 | 0.23 | 0.2 | 0.21 | 0.19 | |
| Permissible max. Power (KW) | P | 0.25 | 0.3 | 0.57 | 1.14 | 2.2 | 2.5 | 3 | 4 | 7 | 11.5 | 18.5 | 22 |
| M | 0.12 | 0.15 | 0.27 | 0.55 | 1.1 | 1.5 | 2.2 | 3.5 | 5.5 | 5.5 | 7.5 | 9.5 | |
| Full load Torque ( N.m) | P | 3.2 | 4.2 | 8 | 18 | 48.5 | 75 | 100 | 265 | 460 | 675 | 1050 | 1620 |
| M | 1.5 | 1.5 | 3.1 | 6.7 | 20 | 30 | 41 | 106 | 180 | 275 | 510 | 820 | |
| No-load Torque ( N.m) | P | 0.068 | 0.11 | 0.29 | 0.4 | 0.84 | 1.85 | 2.1 | 2.8 | 3.8 | 5.5 | 8.5 | 11 |
| M | 0.05 | 0.09 | 0.18 | 0.29 | 0.59 | 1.12 | 1.4 | 2.1 | 3.1 | 4.5 | 5.5 | 7.5 | |
| Housing Material | Aluminum alloy | Aluminum alloy/Ductile iron | Ductile iron | ||||||||||
| Weight without stroke (Kg) | 1.2 | 3.2 | 5 | 8.5 | 21.5 | 36 | 58 | 75 | 110 | 200 | 400 | 800 | |
| Weight per 100mm screw and protective tube(Kg) | 0.2 | 0.36 | 0.5 | 0.75 | 1.52 | 2.44 | 3.02 | 4.5 | 6.8 | 9 | 12.5 | 16.5 | |
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