20Ton Adjustable Welding Rotator PU Roller Heavy Cylinder Wind Tower Welding Turning Roller
20-Ton Self-Adjusting Welding Rotator
Product Overview
- Variable-frequency stepless speed control with dual-motor drive system for powerful performance
- Constructed from heavy-gauge welded steel plates for exceptional structural rigidity
- Ideal for circumferential seam welding, assembly, polishing, and anti-corrosion painting of heavy-duty workpieces
- Designed for large-scale cylindrical shells, pressure vessels, and boiler tanks
- Built to industrial-grade durability standards for reliable, long-term operation under heavy-load conditions
Standard Factory Accessories
- Powered Roller Stand: 1 Unit
- Idler Roller Stand: 1 Unit
- Variable Frequency Control Cabinet: 1 Set
- External Remote Control Pendant
- Connection Cables and Power Cords
- Complete Set of Mounting Bolts for the Machine


Product Specifications
|
Model
|
Loading Capacity
(kg)
|
Pipe/Tank Diameter
(mm)
|
Rubber Roller Dia. & Width (mm)
|
Roller Speed
(m/h)
|
Motor Power
(kw)
|
Speed Adjust
|
|
Rubber Roller
|
Steel Roller
|
|
ZTG-5
|
5000
|
Φ250-2300
|
Φ250*100
|
Φ240*20*2
|
6-60
|
0.75
|
Variable Frequency Drive
(VFD)
|
|
ZTG-10
|
10000
|
Φ320-2800
|
Φ300*120
|
Φ290*25*2
|
1.1
|
|
ZTG-20
|
20000
|
Φ500-3500
|
Φ350*120
|
Φ340*30*2
|
1.5
|
|
ZTG-30
|
30000
|
Φ600-3800
|
Φ350*120
|
Φ340*30*2
|
2.2
|
|
ZTG-40
|
40000
|
Φ600-4200
|
Φ400*120
|
Φ390*40*2
|
3
|
|
ZTG-50
|
50000
|
Φ700-4500
|
Φ400*120
|
Φ390*40*2
|
4
|
|
ZTG-60
|
60000
|
Φ750-4800
|
Φ450*120
|
Φ440*50*2
|
4
|
|
ZTG-80
|
80000
|
Φ850-5000
|
Φ500*120
|
Φ490*60*2
|
5.5
|
|
ZTG-100
|
100000
|
Φ1000-5500
|
Φ500*120
|
Φ490*70*2
|
7.5
|
|
ZTG-150
|
150000
|
Φ1100-6000
|
Φ500*120
|
Φ600*Φ280
|
2*5.5
|
| ZTG-250 |
250000 |
Φ1200-7000 |
/ |
Φ700*380 |
2*5.5 |
| ZTG-500 |
500000 |
Φ1800-8000 |
/ |
Φ850*350 |
2* |
Key Advantages
- Rated load capacity of 20 tons with stable support and robust load-bearing strength
- High resistance to deformation under heavy loads
- Variable frequency speed control for smooth operation and adjustable rotation speeds
- Shock-free starting and stopping capabilities
- Self-adjusting roller structure automatically adapts to workpieces of varying diameters
- Wear-resistant polyurethane rollers that are anti-slip and heat-resistant
- Protects workpiece's painted surface from damage
- Heavy-duty frame design ensures high fatigue resistance and long service life


Production Process
- CNC Cutting and Blanking of Raw Materials
- Integral Welding and Forming of Machine Frame
- Stress Relief (Aging) Treatment
- Precision Machining of Key Components
- Polyurethane Roller Casting and Dynamic Balancing
- Complete Machine Assembly, No-Load and Load Testing
- Rust Removal, Painting, and Anti-Corrosion Treatment


Shipping and Packaging
- The complete machine is disassembled and packaged independently on separate frames
- Features a steel structural outer frame reinforced with protective stretch wrap
- Key components are individually wrapped to guard against rain and moisture
- Suitable for both Full Truckload (FTL) and Less-than-Truckload (LTL) shipping
- Packaging is reinforced to prevent bumps, dents, and deformation during transit


Frequently Asked Questions
1. What is the maximum load capacity?
Rated at a standard 20 tons, it is capable of stably supporting large, heavy cylindrical workpieces.
2. What is the compatible workpiece diameter range?
It accommodates cylindrical workpieces with diameters ranging from 600 mm to 4000 mm, featuring automatic self-adjustment to fit the workpiece.
3. Is the rotation speed adjustable?
It utilizes variable-frequency stepless speed control, allowing for freely adjustable rotation speeds and ensuring smooth, uniform operation.
4. Will the rollers scratch the workpiece?
It features high-elasticity polyurethane rollers that are anti-slip and wear-resistant, ensuring no damage to the workpiece's surface finish.
5. Can it be integrated with a welding manipulator?
It integrates seamlessly with welding manipulators and submerged arc welding machines to enable fully automated circumferential seam welding.