20Ton Load Capacity Automatic Self-Adjusting Welding Rotator with PU Polyurethane Rollers for Heavy-Duty Welding

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

Product Specifications

Model	Loading Capacity (kg)	Pipe/Tank Diameter (mm)	Rubber Roller Dia. & Width (mm)		Roller Speed (m/h)	Motor Power (kw)	Speed Adjust
Model	Loading Capacity (kg)	Pipe/Tank Diameter (mm)	Rubber Roller	Steel Roller	Roller Speed (m/h)	Motor Power (kw)	Speed Adjust
ZTG-5	5000	Φ250-2300	Φ250*100	Φ240202	6-60	0.75	Variable Frequency Drive (VFD)
ZTG-10	10000	Φ320-2800	Φ300*120	Φ290252		1.1
ZTG-20	20000	Φ500-3500	Φ350*120	Φ340302		1.5
ZTG-30	30000	Φ600-3800	Φ350*120	Φ340302		2.2
ZTG-40	40000	Φ600-4200	Φ400*120	Φ390402		3
ZTG-50	50000	Φ700-4500	Φ400*120	Φ390402		4
ZTG-60	60000	Φ750-4800	Φ450*120	Φ440502		4
ZTG-80	80000	Φ850-5000	Φ500*120	Φ490602		5.5
ZTG-100	100000	Φ1000-5500	Φ500*120	Φ490702		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

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.

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