The High Frequency Welded Rectangular Tube Mill is a heavy-duty, fully integrated production system engineered to manufacture premium-grade structural rectangular and square steel tubes. By leveraging advanced high-frequency induction welding technology, this continuous production line achieves high-speed strip forming, precise seam heating, accurate sizing, and reliable structural performance.
Designed with robust mechanical architecture and advanced automation, our tube mills deliver superior dimensional accuracy, smooth weld beads, and excellent mechanical integrity. Every production line is engineered to meet international industrial manufacturing standards, providing steel producers worldwide with a stable, high-efficiency, and cost-effective production asset.
Technical Specifications
|
Technical Parameter |
Specification Standard |
|
Product Profile |
Rectangular and Square Steel Tubes |
|
Welding Technology |
High-Frequency Induction Welding (HFIW) |
|
Raw Material Compatibility |
Carbon Steel, Galvanized Steel, Stainless Steel, Low-Alloy Steel |
|
Tube Size Range |
Customized per Project Requirements (Width: 20mm - 300mm, Height: 20mm - 300mm) |
|
Wall Thickness Range |
1.0mm - 12.0mm |
|
Production Speed |
Up to 120 meters per minute (Customizable) |
|
Line Configuration |
Left-to-Right or Right-to-Left (Customized to Plant Layout) |
|
Automation Control |
Full PLC Automatic Control with Digital Touchscreen Interface |
|
Electrical Power Supply |
Tailored to Destination Country Standards (Voltage / Frequency) |
Key Features
Advanced Engineering Advantages for Steel Tube Plants
High Production Output: Optimized high-frequency heating dynamics and high-torque mechanical drives enable continuous, high-speed operations to maximize plant output.
Superior Weld Integrity: Advanced induction welding guarantees deep penetration, high tensile strength across the weld zone, and smooth surface finishes.
Tight Dimensional Tolerances: Precision-engineered roll profiles and rigid sizing stands ensure consistent profile dimensions and exceptional straightness.
Heavy-Duty Structural Durability: Thick-walled, stress-relieved steel machine bases and premium alloy components ensure long-term stability under 24/7 industrial operating conditions.
Flexible Modular Customization: Systems can be fully configured to match specific facility footprints, raw material grades, power requirements, and finished product dimensions.
Product Applications
High Frequency Welded Rectangular Tube Mills are engineered to deliver high-precision structural components utilized worldwide across diverse industrial sectors:
Construction & Infrastructure: Structural steel buildings, heavy-duty building frameworks, industrial manufacturing plants, architectural facade supports, solar mounting structures, and greenhouse framing.
Mechanical & Heavy Equipment: Industrial machine frames, heavy-duty equipment chassis, automation system structural components, and custom material handling supports.
Transportation & Automotive: Commercial vehicle structural reinforcements, heavy-duty trailer frames, and railway car components.
Commercial & Residential Furniture: Premium metal furniture frames, architectural handrails, and modern decorative steel goods.
Main Equipment Components
Coil Handling System: Hydraulic single-mandrel uncoiler, hydraulic coil car, and heavy-duty strip accumulator.
Forming Section: Breakdown stands, side-roll stands, driven gearboxes, and precision-machined alloy steel roll tooling sets.
High-Frequency Welding System: Solid-state high-frequency welder, matching transformer, precision impeder assembly, and squeeze roll welding box.
Cooling & Sizing Section: Water cooling trough, sizing mill stands, and multi-axis turks-head straightening units.
Cutting System: Computer-controlled flying cold saw or servo friction saw with automated length-measuring encoder.
Electrical Control System: Centralized PLC automation cabinet, industrial human-machine interface (HMI) touchscreens, digital AC frequency inverter drives, and closed-loop feedback monitoring.
Manufacturing Quality Control
Raw Material Verification: Ultrasonic and chemical analysis testing of all structural steel plates, shafts, and forged components.
Machining Precision Inspection: Coordinate measuring machine (CMM) checks on roll tooling, gearboxes, and critical mill housings.
Sub-Assembly Testing: Rigorous bench testing of hydraulic power units, high-frequency generators, and electrical control panels.
Pre-Shipment Trial Run: Full mechanical dry-run and simulated trial manufacturing in the assembly facility prior to crating and export loading.
Customized Manufacturing Service
Custom Product Dimensions: Engineering lines optimized for specific width, height, and thickness matrices.
Material Adaptation: Specialized tooling and welding parameters configured for high-strength carbon steel, galvanized substrates, or stainless steel alloys.
Plant Layout Integration: Customized floor-plan engineering to accommodate existing factory footprints and material flow requirements.
Electrical and Safety Compliance: Power system adaptations matching regional electrical grids and international safety standards.
Complete Turnkey Support: Expert consultation from initial plant design through to final commercial production.
Installation & Global After-Sales Service
On-Site Mechanical and Electrical Guidance: Experienced senior engineers deployed to your facility for supervision of mechanical placement and utility hookups.
Professional Commissioning: Step-by-step line tuning, trial production runs, and optimization of welding and forming parameters.
Operator Training Programs: Hands-on technical instruction for your plant operators and maintenance crews covering operation, troubleshooting, and routine upkeep.
FAQ
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