Self‑Aligning 20 Ton Welding Rotator for Wind Tower and Storage Tank Production
Price:
500-1000USD
MOQ:
1
Delivery Time:
10-20 work days
Brand:
WUXI LEMAR
Product Description
Self-Aligning 20 Ton Welding Rotator for Wind Tower and Storage Tank Production
Product Overview
This self-aligning welding rotator is engineered for heavy cylindrical workpieces in pressure-vessel and tank workshops. Roller sets automatically adjust angles to match shell diameter without manual repositioning. The heavy-duty base and PU roller assembly deliver steady circumferential rotation, eliminating workpiece slipping and bounce during long production shifts. Works well paired with column-boom welding systems for seamless automatic circumferential seam welding.
Key Features
- Self-aligning roller structure automatically adjusts to fit different shell diameters, saving manual adjustment time
- Thick welded base frame with dual-motor driving unit and frequency converter provides stable low-speed torque for heavy shell rotation
- High-strength PU covered rollers with high friction coefficient protect outer surfaces of carbon steel and stainless-steel shells
- Continuous stepless speed regulation matches rotation speed to welding travel speed for consistent circumferential weld quality
- Built-in overload protection and emergency stop function with reserved signal interface to synchronize with welding manipulator
Technical Parameters
| Item | Specification |
|---|---|
| Rated Load | 20 Ton |
| Workpiece Diameter | 500-4500 mm |
| Roller Size | Φ350×210 mm |
| Rotation Speed | 6-60 m/h |
| Drive Type | Dual-motor drive |
| Speed Control | Variable-frequency stepless adjustment |
| Roller Material | Polyurethane coating |
| Control Mode | Local control cabinet + remote pendant |
| Working Voltage | Customizable for local grid |
| Automation Interface | Support manipulator linkage |


Application Fields
- Pressure vessel manufacturing: circumferential seam welding for boiler shells, reaction tanks and storage vessels
- Large tank production: oil tanks, water tanks and chemical tank body assembling and welding
- Wind power accessory processing: cylindrical wind tower segment circular welding
- Heavy pipe fabrication: large-diameter thick-wall pipe spool rotation and butt-welding
- Heavy workshop automated production: cooperate with welding manipulator to build full-automatic cylindrical welding station
Matching Recommendation
- Pair with column and boom welding manipulator to realize automatic circular seam welding for cylindrical shells
- Combine with submerged-arc welding power source to build a full-set circumferential welding workstation
- Add extra idler units according to shell length for auxiliary supporting
- Prevent shell deflection and deformation by increasing quantity of idle roller groups
- Realize coordinated operation of whole workstation for heavy tank batch production
Custom Options
- Hydraulic height adjustment for flexible workpiece horizontal calibration
- Steel roller replacement for high-temperature and heavy-duty working conditions
- Reinforced anti-eccentricity structure for workpieces with large offset gravity
- Special voltage and frequency conversion to fit different local power grids
- Customized idler sets specially designed for super-long cylindrical shells
Frequently Asked Questions
What diameter range of cylindrical shells can this 20 ton self-aligning welding rotator handle?
Suitable for workpiece diameter from 500 mm to 4500 mm. Rollers adjust automatically without manual modification.
Is continuous full-load operation available for tank mass production?
Yes. Reinforced frame and dual-motor drive support long-time non-stop heavy-load running in-house.
Can this rotator work synchronously with column-boom welding manipulator?
Synchronous signal interface is reserved, it can realize linkage with welding manipulator for automatic circular seam welding.
What should I do if the cylindrical shell is too long and prone to deflection?
Extra auxiliary idler units can be added to provide extra support and avoid shell bending and deformation.
Can I change PU rollers into steel rollers for special working conditions?
Steel roller is available as custom option for high-temperature or sharp-surface workpiece welding scenarios.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wuxi Lemar Machinery Equipments Co., Ltd.
Location
505-1 NO.8 JIEFANG WEST ROAD,LIANGXI DISTRICT,WUXI, CHINA
Contact Person
Oscar





