Self-Aligning Rotators
Automatically adjusts roller center distances to accommodate varying shell diameters without manual intervention. Ideal for job shops handling diverse vessel dimensions.
Heavy-Duty Self-Aligning & Conventional Tank Turning Rolls (5T to 40T Load Capacity) Engineered for Precision Vessel, Tank, and Pipe Welding Automation.
APS Welding (Advanced Power Sources Limited) designs, engineers, and manufactures industrial-grade welding rotators developed for continuous heavy fabrication environments. Built to handle cylindrical workpieces ranging from thin-walled process pipes to 40+ MT pressure vessels, our ORBITER series rotators provide smooth, concentric rotation for automated Submerged Arc Welding (SAW), MIG/GMAW, TIG/GTAW, and manual joint preparation.
Operating from our ISO 9001:2015 certified manufacturing plant in Valsad, Gujarat, APS supplies global fabricators in oil & gas, pressure vessel manufacturing, shipbuilding, thermal power, and structural steel assembly with robust turning rolls designed to eliminate arc instability, surface slip, and mechanical downtime.
Our rotator systems incorporate Variable Frequency Drive (VFD) speed regulation, heavy-section fabricated steel bases, anti-wear polyurethane wheel coatings, and ergonomically designed digital pendant controls. Every drive unit and idler bed undergoes rigorous load testing to meet global engineering standards prior to international export.
Select the ideal turning roll design based on your shop floor workflow, workpiece variability, and automation targets.
Automatically adjusts roller center distances to accommodate varying shell diameters without manual intervention. Ideal for job shops handling diverse vessel dimensions.
Utilizes a continuous lead screw mechanism (CTL models) for precise center-to-center roller distance adjustment, ideal for variable-diameter vessels.
Configured with robust bolt-positioned base slots (CTB models) designed for high-tonnage batch manufacturing where vessel diameters remain fixed.
Specialized hydraulic or motorized tracking rotators engineered to align shell segments and dish ends accurately prior to longitudinal and circumferential seam welding.
Compare performance parameters across standard model capacities. Custom capacities up to 100 MT are available upon technical review.
| Model Parameter | Orbiter 5T | Orbiter 10T | Orbiter 20T ★ | Orbiter 30T | Orbiter 40T |
|---|---|---|---|---|---|
| Load Capacity (Drive + Idler) | 5 MT (5,000 kg) | 10 MT (10,000 kg) | 20 MT (20,000 kg) | 30 MT (30,000 kg) | 40 MT (40,000 kg) |
| Rotational Speed Range | 100 – 1,500 mm/min | 100 – 1,200 mm/min | 100 – 1,200 mm/min | 100 – 1,200 mm/min | 100 – 1,200 mm/min |
| Drive Motor Rating | 2 × 0.5 HP | 2 × 1.0 HP | 2 × 1.5 HP | 2 × 2.0 HP | 2 × 2.0 HP |
| Vessel Diameter Range | 250 – 2,500 mm | 250 – 3,700 mm | 250 – 4,800 mm | 250 – 4,800 mm | 250 – 4,800 mm |
| Wheel Outer Diameter | 320 mm | 320 mm | 400 mm | 400 mm | 0 400 mm|
| Standard Roller Material | Polyurethane / Steel | Polyurethane / Steel | Heavy Duty Polyurethane | Heavy Duty Polyurethane | Forged Steel / PU Options |
| Speed Control System | AC VFD Inverter | AC VFD Inverter | AC VFD Inverter | AC VFD Inverter | AC VFD Inverter |
| Approximate Machine Weight | 0.8 MT | 1.0 MT | 1.5 MT | 1.8 MT | 2.4 MT |
| Recommended Application | Light vessel & piping | Medium process tanks | Heavy pressure vessels | Large storage tanks | Ultra-heavy wall vessels |
Stress-relieved structural steel base frames absorb vibration and resist torsional deflection under asymmetrical or heavy static loads.
Crompton standard motors paired with advanced Variable Frequency Drives deliver smooth linear rotation and stable low-speed torque control.
Precision-cast polyurethane roller coatings prevent metal contamination, absorb surface irregularities, and maximize friction grip during rotation.
Handheld remote pendant equipped with digital linear speed readout, forward/reverse selection, stop/start switches, and emergency cutoff.
Precision-machined bed guide rails ensure perfectly parallel roller alignment, minimizing axial vessel creep during continuous circumferential welding.
Dust-sealed industrial electrical enclosure with forced fan ventilation and overload relay protection against voltage fluctuations.
Engineered to increase deposition rates and operator safety across key heavy fabrication sectors.
Circumferential seam welding on ASME-code boilers, heat exchangers, and high-pressure chemical storage tanks.
Automated pipe spool turning for oil refineries, water treatment plants, and offshore piping manifolds.
Heavy-tonnage turning rolls configured for thick plate wind generator tower sections and tubular foundation piles.
A welding rotator (or tank turning roll) supports and rotates cylindrical workpieces such as pressure vessels, storage tanks, wind tower segments, and heavy industrial piping during automated or manual welding, cutting, grinding, and polishing.
Conventional rotators require manual adjustment of roller center distances (via lead screws or bolts) to accommodate different vessel diameters. Self-aligning rotators automatically adjust their roller arm assemblies to match workpiece diameters, speeding up fit-up times in variable batch production.
APS manufactures standard Orbiter series rotators in 5 MT, 10 MT, 20 MT, 30 MT, and 40 MT capacities. Custom heavy-duty engineering solutions exceeding 40 MT are available upon engineering consultation.
Polyurethane roller coatings provide high surface friction to prevent slipping while protecting thin-walled, stainless steel, or non-ferrous shells from surface gouging and mechanical damage during rotation.
Yes. APS rotators feature synchronized control interfaces designed for seamless integration with Submerged Arc Welding (SAW) column & boom gantries, MIG carriages, and automated weld controllers.
Connect with our technical export team to receive detailed layout drawings and custom turning roll quotations.