Product Overview
The DWP3 Cradle Welding Positioner is purpose-engineered for heavy-duty large tank and pressure vessel fabrication, specifically addressing the unique stability challenges of oversized cylindrical workpieces. It delivers precise, low-vibration rotational support to eliminate workpiece sag and misalignment during circumferential and longitudinal welds, reduces manual handling risks, improves weld consistency, and integrates seamlessly with automated setups to boost overall production throughput.
Structural Features
At its core, the cradle-type support design distributes workpiece weight evenly across multiple wide contact points, avoiding concentrated stress that can dent or deform thin-wall large vessels during high-speed rotation. The heavy-duty stress-relieved steel frame maintains consistent rigidity under sustained full load, while its modular, low-profile base fits easily into existing industrial shop floor layouts without costly, extensive concrete foundation modifications.
- Adjustable cradle contact pads with non-marking, load-distributing surfaces to fit varying vessel diameters without surface damage or localized stress
- Variable-speed rotational drive with smooth, jolt-free acceleration for consistent weld pool control across all load classes
- Modular height adjustment to align precisely with paired welding manipulators, column booms, and other automated welding equipment
- Integrated anti-slip cradle roller traction to prevent workpiece shifting during high-torque welding or heavy load rotation
Typical Configuration
- Cradle support assembly, available in multiple load classes matched to your specific vessel weight, diameter, and size needs
- Rotational drive subsystem with torque-limiting protection to prevent component damage during unexpected overloads or jams
- Control system with local handheld pendant and remote I/O ports for flexible automated welding cell integration
- Safety subsystem including speed interlocks, dual emergency stops, and visual overload alerts for full operator protection
Applications
This positioner is ideal for large horizontal storage tank fabrication, sectional pressure vessel assembly, large-diameter pipe spool welding, and overlay cladding operations on heavy oversized cylindrical workpieces. It serves oil and gas, chemical processing, renewable energy, and food and pharmaceutical manufacturing sectors, supporting both semi-automatic and fully automated welding processes to deliver consistent, code-compliant welds for critical industrial service applications.
Selection Support
For tailored configuration guidance, load class matching, and custom modification support for your specific large tank welding application, reach out to our senior welding equipment engineering team via https://biqee.cn. We also offer on-site installation guidance, operator training, preventative maintenance planning, and after-sales service to maximize long-term equipment reliability and production uptime.
BIQEE @ DESAN ELECTRIC supplies welding automation systems. For technical selection support, contact https://biqee.cn.
Elevating Welding Positioner (EWP Series)
Technical Specifications:
| Model | Rated Load (tons) | Rotation Power (kW) | Tilt Power (kW) | Table Dia (mm) | Max Rotation (mm) | Tilt Angle | Weight (tons) |
|---|---|---|---|---|---|---|---|
| EWP1 | 1 | 1.1 | 1.5 | 900 | 1500 | 0-135 | 1.2 |
| EWP2 | 2 | 1.1 | 1.5 | 1200 | 2000 | 0-135 | 1.6 |
| EWP4 | 4 | 1.5 | 2.2 | 1400 | 2100 | 0-120 | 2.8 |
| EWP6 | 6 | 2.2 | 3.0 | 1500 | 2500 | 0-120 | 5.0 |
| EWP8 | 8 | 2.2 | 4.0 | 1600 | 2800 | 0-120 | 6.5 |
| EWP10 | 10 | 3.0 | 5.5 | 1800 | 3000 | 0-120 | 7.8 |
| EWP15 | 15 | 3.0 | 5.5 | 2000 | 3200 | 0-120 | 12 |
| EWP20 | 20 | 4.0 | 7.5 | 2200 | 3400 | 0-120 | 18 |
Note: Variable rotation speed. Height adjustable column. Remote pendant control. CE certified options available.
For detailed specifications and pricing, contact us at [email protected] or visit https://biqee.cn.
Conclusion
Choosing the right welding automation solution is key to improving productivity and quality in your fabrication operations.


