Product Overview
Product Name: 20 Ton Self-adjustable Welding Turning Roller
Model: ZTG-20
Brand: LEMAR (Wuxi Lemar Machinery)
Core Application: Rotary support for wind tower, pressure vessel and large pipe circular welding. Self-centering rollers adapt to pipe diameters automatically. Variable frequency control delivers steady rotation for automatic welding lines.
Technical Parameter
| Item | Specification |
|---|---|
| Model | ZTG-20 Self-aligning Welding Rotator |
| Rated Load Capacity | 20 Ton |
| Applicable Workpiece Diameter | Φ300mm – Φ4000mm |
| Rotation Speed | 0.1 – 3 m/min Stepless Adjustable |
| Drive Mode | Dual Motor Synchronous Drive |
| Roller Material | High-strength Steel + Rubber Coating |
| Control System | Frequency Conversion Speed Control + PLC Integrated Control |
| Working Voltage | 380V 3 Phase 50/60Hz |
| Application Industry | Wind Tower, Vessel, Boiler, Large Pipe Fabrication |
| Certification | CE / ISO9001 |
Product Features
Automatic Self-aligning Design
Rollers center tubes automatically for wind tower workpieces, no manual adjustment
20T Heavy Load Bearing Capacity
Reinforced frame keeps stable under heavy continuous welding load. 20
Synchronous Stable Rotation
Twin motors run smoothly to prevent weld seam deviation
Wide Speed Regulation Range
Variable frequency speed fits multiple welding machines for precise welding
High Wear-resistant Roller
Rubber roller avoids steel surface scratch and anti-slip rotation
Complete Safety Protection
Overload, emergency stop and phase loss protection for round-the-clock production
Application Scope
Wind Tower Production For circumferential welding of onshore wind tower barrels for solid welding quality.
Vessel & Boiler Machining Circular welding for boilers, storage tanks and thick wall pressure vessels.
Large Diameter Pipe Fabrication Rotary welding for big steel pipes and tubular structural parts.
Heavy Industry Structural Processing New energy cylinder parts, steel structure and heavy machinery welding workshop use.
Standard & Optional Accessories
| Standard Accessories | Optional Accessories |
|---|---|
| 20T Welding Rotator Main Body | Anti-slip Reinforced Rubber Roller |
| Frequency Conversion Control Cabinet | Wireless Remote Controller |
| Synchronous Drive Motor & Reducer | Manual Diameter Fine-tuning Device |
| Cable Assembly & Installation Tools | Workpiece Anti-tilt Bracket |
| Operation & Maintenance Manual | Welding Seam Auxiliary Support Frame |
| Overload Protection Device | Mobile Walking Base |
| Phase Sequence Protector | Height Adjustable Support Legs |
| Fixed Anchor Bolt Kit | Extra Buffer Roller Set |
Quality Inspection & Production Process
1.Every 20 ton wind tower welding rotator undergoes strict heavy-load factory testing.
2.We conduct frame stress relief treatment, 24-hour full-load rotating test, synchronous speed calibration and roller concentricity detection.
3.All electrical components are inspected strictly to ensure stable performance during long-term wind tower mass production. Each unit fully complies with CE and ISO industrial standards, with low failure rate and excellent consistency for wind power fabrication lines.
Product packaging
Company Certification
Frequently Asked Questions
Q1: What is the main application of this welding rotator?
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A: This 20 ton self-aligning welding rotator is mainly used for onshore wind tower cylinder circumferential welding, large boiler and pressure vessel rotary welding, specially optimized for wind tower fabrication process.
Q2: Can the rollers adapt to different tower diameters?
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A: Yes, it is full self-aligning type, automatically adapting to 300mm-4000mm diameter workpieces, no manual adjustment needed.
Q3: Is it compatible with automatic welding machines?
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A: Perfect match with submerged arc welding machine and welding manipulator, realizing full automatic wind tower welding production line.
Q4: Can I customize mobile type or anti-tilt structure?
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A: Yes, we support OEM customization including walking base, anti-tilt bracket and wireless control system for wind tower workshop demands.从
Q5: How about the load stability for long tower sections?
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A: Dual synchronous drive + reinforced frame ensures stable rotation without shaking or slipping for long and heavy wind tower workpieces.
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