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20 Ton Self-Aligning Welding Rotator for Pressure Vessel & Tank Circumferential Welding
Product Overview
This 20 Ton Self-Aligning Welding Rotator is heavy-duty equipment designed for circumferential welding of large tanks, pressure vessels and boiler drums.
The self-aligning roller structure automatically adjusts support angles to fit various cylinder diameters without manual calibration. The built-in anti-offset mechanism stops axial sliding during rotation.
Heavy-duty rigid frame and variable-frequency smooth rotation guarantee uniform welds. It can coordinate with longitudinal seam welders to finish full welding procedures for tank workpieces.
Core Advantages
20-ton heavy load bearing, thickened steel frame, stable operation for large pressure vessel processing.
Self-aligning roller structure, automatically fit different pipe and tank diameters to save adjustment time.
Polyurethane rollers avoid scratching workpiece surface, wear-resistant and long service life.
Automatic anti-offset correction system to prevent tank sliding during high-load rotation.
Frequency conversion stepless speed regulation, uniform rotating speed for consistent circular weld quality.
Technical Parameters
Item
Parameter
Model
20 Ton Self-Aligning Welding Rotator
Rated Loading Capacity
20 tons
Roller Type
Self-aligning polyurethane roller
Applicable Workpiece Diameter
Φ300-Φ3200mm
Rotation Speed
0.1-1.0 r/min stepless adjustable
Driving Mode
Variable frequency motor drive
Anti-Deviation Device
Automatic workpiece anti-offset correction
Roller Material
High wear-resistant polyurethane
Control Mode
Independent control cabinet with handheld remote
Input Voltage
380V three-phase
Total Machine Weight
About 4.2 tons
Equipment Linkage Function
20 ton self-aligning welding rotator can connect multiple welding equipment to form automatic tank production line:
Link with pipe longitudinal seam welding machine: Realize longitudinal + circumferential integrated welding of storage tanks.
Link with welding manipulator: Match automatic welding torch for unmanned circular seam welding.
Link with CNC cutting machine: Complete cutting, rolling and tank welding one-stop processing.
Link with welding positioner: Cooperate for multi-angle processing of special vessel workpieces.
Standard & Optional Accessories
Standard Factory Accessories
Optional Upgraded Accessories
Main driving rotator + driven rotator set
Extra auxiliary support roller set for ultra-long workpieces
Self-aligning polyurethane roller assembly
Digital display speed monitoring module
Frequency conversion control cabinet & handheld remote
Wireless remote control system
Complete power connection cables
Anti-slip steel roller for high-temperature workpieces
English operation manual and installation drawings
Height-adjustable base bracket
Standard installation tools
Customized fixture for special-shaped workpieces
Frequently Asked Questions
Q1: What is the maximum bearing capacity of this rotator?
A: Rated load is 20 tons, applicable for medium and large tank and pipe workpieces.
Q2: Why it is called self-aligning welding rotator?
A: The rollers can automatically adjust the supporting angle to adapt different cylinder diameters without manual moving.
Q3: Can it prevent the tank from sliding axially?
A: Equipped with automatic anti-offset correction device to effectively avoid workpiece shifting during rotation.
Q4: What material are the supporting rollers made of?
A: High wear-resistant polyurethane, will not scratch the surface of stainless steel tanks.
Q5: Can this rotator form a full production line with other welding machines?
A: Yes, it can perfectly match longitudinal seam welders, welding manipulators and cutting machines for integrated tank manufacturing.