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HK Worm Gear Screw Jacks
HK Worm Gear Screw Jacks
Description
HK Series Worm Gear Screw Jacks are heavy-duty linear motion actuators that combine a worm-gear reducer with a trapezoidal (T-type) screw to achieve lifting, lowering, pushing, pulling, and precise positioning. The series supports a wide load range from 2T to 100T, making it suitable for industrial equipment requiring reliable mechanical lifting with high stability and long service life.
The system provides multiple structure types including translating screw (Type 1) and rotating screw (Type 2), along with various assembly orientations, screw-end configurations, anti-rotation protection, and protective cover options. Each unit can be customized for stroke, speed ratios, installation direction, and environment-specific protection requirements.
Feature
- Load capacity from 2T to 100T
- Worm-gear transmission with inherent self-locking capability
- Type 1 (translating screw) / Type 2 (rotating screw) structures
- Multiple screw-end types: cylindrical, flange, threaded, flat-head
- Upward or downward assembly direction (Type A / Type B)
- Anti-rotation protection options (F-key, square tube guide)
- Protective cover options: Z steel tube (passive side), X telescopic tube (active side), Q double protection
- Customizable lifting stroke
- High reliability and long service life
- Suitable for independent operation or synchronized multi-jack systems
HK Series Parameters Table (English Version)
HK Primary Selection Form
| Category | Unit | HK2T | HK3T | HK5T | HK10T | HK15T | HK20T | HK30T | HK40T | HK50T | HK100T |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum lifting force | kN | 20 | 30 | 50 | 100 | 150 | 200 | 300 | 400 | 500 | 1000 |
| Maximum tensile force | kN | 20 | 30 | 50 | 100 | 150 | 200 | 300 | 400 | 500 | 1000 |
| Screw parameter | – | Tr26×5 | Tr32×6 | Tr38×6 | Tr46×8 | Tr56×9 | Tr66×10 | Tr75×12 | Tr80×12 | Tr90×14 | Tr100×16 |
| Speed ratio I | – | 5 | 6 | 6 | 8 | 8 | 10 | 12 | 12 | 7 | 8 |
| Lifting per worm rotation (mm) | mm | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Lifting efficiency I | % | 21 | 21 | 19 | 18 | 19 | 15 | 15 | 14 | 12 | 12 |
| Speed ratio II | – | 10 | 12 | 12 | 16 | 16 | 20 | 18 | 18 | 14 | 16 |
| Lifting per worm rotation (mm) | mm | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.66 | 0.66 | 1 | 1 |
| Lifting efficiency II | % | 18 | 18 | 18 | 17 | 18 | 15 | 14 | 13 | 12 | 11 |
| Speed ratio III | – | 20 | 24 | 24 | 32 | 32 | 40 | 36 | 36 | 28 | 32 |
| Lifting per worm rotation (mm) | mm | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.33 | 0.33 | 0.25 | 0.25 |
| Lifting efficiency III | % | 11 | 11 | 17 | 17 | 17 | 15 | 11 | 11 | 9 | 9 |
| Housing material | – | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling | Steel / Milling |
Highlights
- High load-bearing capability and resistance to impact loads
- Excellent mechanical efficiency and smooth motion
- Long operational lifespan under continuous duty
- Customizable configurations for diverse industrial equipment
- Supports synchronized multi-jack linkage through mechanical or electric systems
- Minimal maintenance thanks to optimized lubrication design
Application
- Industrial lifting platforms and heavy mechanical actuators
- Steel mills, mining equipment, and large processing lines
- Stage lifting systems and theater platforms
- Material handling and automated logistics systems
- Machinery requiring stable vertical positioning
- Solar tracking systems and renewable energy equipment
- Adjustable fixtures, presses, and tooling platforms
- Construction equipment and lifting mechanisms
FAQs
Does NUODUN support non-standard customization? What is the typical lead time?
Yes. NUODUN’s core competitiveness lies in the synergistic advantage of “customization + system integration.” We support structural customization, torque customization, input flange customization, mounting interface customization, stroke customization and more for products such as planetary gearboxes, screw jacks, electric cylinders, and gearboxes. The typical lead time for standard non-standard customization is 7–20 days, while more complex engineered projects are usually delivered within 3–6 weeks.
How does NUODUN ensure high precision and reliability in customized transmission systems?
Our engineering strength comes from long-term R&D investment, CAE simulation, lifetime calculation databases, modular design frameworks, and a mature testing/verification system. This ensures that every customized solution is not only manufacturable, but also reliable under real-world loads — balancing precision, durability, and cost efficiency.
Which industries commonly use NUODUN transmission components?
Our products are widely used in photovoltaic manufacturing, semiconductor equipment, automotive production, metallurgy, logistics, medical devices, aerospace, stage automation, and industrial automation — especially where precision positioning, heavy loads, or long service life are required.
How does NUODUN guarantee long-term product reliability?
All products undergo type testing, torque testing, vibration testing, life testing, noise measurement, and precision inspection. Core components such as gears, screws, and bearings are produced using advanced machining, grinding, heat treatment, and automated assembly processes.
Does NUODUN provide global after-sales support?
Yes. We offer remote technical support, installation guidance, troubleshooting, selection assistance, and long-term spare parts support for OEM/ODM partners.
