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The 20Ton Self-Aligning Welding Rotator HGZ20 is a heavy-duty automatic welding roller frame specially manufactured for cylindrical workpieces. This self-centering turning roll is widely applied in pressure vessel, boiler, steel tank, pipe and cylinder welding industries. Different from conventional adjustable roller frames, this self-aligning welding rotator can automatically center and adapt to various cylinder diameters without manual spacing adjustment, greatly improving welding accuracy and production efficiency.
Technical Parameters
Item
Specification
Model
HGZ-20 Self-Aligning Welding Rotator
Rated Load Capacity
20 Ton (1 drive set + 1 idler set)
Suitable Workpiece Diameter
Φ500mm ~ Φ3500mm
Roller Dimension
Φ350×180mm
Linear Rotating Speed
100~1000mm/min, stepless adjustable
Driving Motor Power
1.5KW × 2
Speed Control
VFD frequency conversion
Optional Roller Type
PU roller / Solid steel roller / Composite roller
Main Features
Automatic self-aligning and self-centering function, no manual calibration required
Heavy duty 20-ton load capacity for large cylinder and pressure vessel welding
Dual-motor synchronous drive system for stable and uniform rotation
VFD stepless speed adjustment to match all automatic welding processes
Wear-resistant and customizable rollers to protect workpiece surface
Thickened welded structure with stress relief treatment, durable and deformation-free
Complete safety protection system for industrial continuous production
Main Structure & Raw Material Details
Base Frame
Adopt thick Q235 steel plate & profile steel integral welding, finished with stress relief annealing to avoid deformation under long heavy load.
Roller Bracket & Swing Arm
Cast steel + forged piece machining, high mechanical strength for automatic self-aligning swing action.
Roller Options
PU roller: high elastic polyurethane, protect workpiece surface
Solid steel roller: 45# steel, high temperature resistant for surfacing
Composite roller: steel core + outer PU layer
Packing & Shipping
Base frame, roller assemblies: fixed with steel wire on solid fumigated wooden pallet, wrapped with stretch plastic film against moisture and scratch
Electrical control cabinet & pendant box: packed in independent export plywood case with foam inner cushion for anti-collision protection
Small spare parts: packed in carton box separately
Available for FCL / LCL sea transportation
FAQ for 20Ton Self Aligning Welding Rotator
Q1: What is the loading capacity of HGZ20 self aligning welding rotator?
A1: Standard rated load is 20 ton per set (1 driving + 1 idler roller frame), designed for heavy cylinder and pressure vessel welding.
Q2: Does this self-centering turning roll need manual adjustment for different tank diameters?
A2: No. It is full automatic self-aligning structure, rollers swing automatically to center workpieces when cylinder size changes, no manual spacing adjustment needed.
Q3: What kinds of rollers can be selected for the welding roller frame?
A3: Three options: PU roller, solid steel roller, steel-PU composite roller to fit welding, surfacing and grinding conditions.
Q4: Is rotating speed variable on the 20T welding rotator?
A4: Yes, equipped with VFD inverter control, speed ranges 100~1000mm/min stepless adjustable. Wired pendant as standard, wireless remote optional.
Q5: What diameter range of cylinder fits this HGZ20 turning roll?
A5: Suitable workpiece OD from 500mm up to 3500mm, widely for tank, boiler and pressure vessel production.