This machine is designed to produce carbon steel frames for solar panels. Compared to aluminum frames, carbon steel offers a cost-effective alternative while maintaining structural integrity. The line integrates PLC control, automated punching, servo-driven cutting, and adjustable roll forming modules for efficient production.

Carbon Steel Solar Frame Roll Forming Machine

Roll Set / Die Set /Mould /Mold install in Tube Mill Make Steel Pipe

ERW Tube mill use Roll set mould, made by D2, D3,SKD11 material ,hardness HRC58-62, quenching, for different kinds of pipes and profile produce to use, more details welcome inquire.

MOSFET Solid -State High Frequency Induction Heating Welding Machine

What is Solid State Welding? IGBT or SCR medium frequency power supply unit with working frequency of 1~8kHz are optional. High Frequency Welder, New! In-Stock! Ready to Ship

LW1200(300x300mm) Direct Square to Square Forming Pipe Mill

This is a direct square to square forming type square and rectangular tube mill production line. From the uncoiler to the palletizing and binding machine, the whole line is fully automatic. Direct square technology, no need change rollers to produce different pipe size within range, adjust by motor, save time and save cost.

Fully Automatic Shear and welder machine

Automatic shear strip end and head, automatic align, automatic CO2 welding, automatic torch walking. just press the button and all goes well, save cost and time. you worth to have.

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3 inch 76mm Erw Tube Rolling Machine

This machine can produce 76mm diameter with thickness max 3mm, seam welding by solid state hf welder, cutoff by cut saw without burr, high speed, low cost ,email to know more.

Product Detail

Reliable 3 inch 76mm Erw Tube Rolling Machine

Our 3-inch (76mm) ERW tube rolling machine is designed for high-speed, low-cost production. It can produce tubes with diameters up to 76mm and wall thicknesses up to 3.0mm, using solid-state high-frequency induction welding. The cut-off is performed by a cold saw, ensuring burr-free ends, minimizing secondary processing, and delivering excellent cutting performance.

1. BASIC DESIGN DATA

Design of the proposed line is based on following specification:

▪ Raw Material Specification

Raw Material Feeding	CR bright tube with oiled, Galvanized steel, HR coil
Material Tensile Strength	Max 500MPa
Material Yield Strength	Max 235MPa
Coil OD	1000mm to 1800mm
Coil ID	508mm&610mm (customer order)
Coil Weight	Max 3000 kg
Strip Width	Min 60mm, Max240mm
Strip Thickness	Min1.0 Max 3.0 mm

▪ Production Range

Type of production	▪Round Tubes ▪Square and Rectangular Hollow Sections
Round Tube OD	Min 21.3mm, Max 76mm
Round Tube Thickness	Min 1.0mm, Max 3.0mm
Square Hollow Section	Min 10x10mm, Max 60x60mm
Rectangular Hollow Section	Min10x20mm, Max 80x40mm
Square and rectangle Tube Thickness	Min 1.0mm, Max 3.0mm
Tube Cut Length	Min 5 meter, Max 7 meter

▪ Line Specification

Line speed	Max 90m/min Min 30m/min
Direction of Operation (To be confirmed by buyer)	Left → Right or Right → Left
Welding Method	High Frequency Induction Welding
Total Electric installed capacity	500kw
Line area	Approx. 60x5.0 meter (length x width)

2. Cutting Advantages

Unlike traditional friction saws, our cold saw delivers burr-free, clean cuts, eliminating the need for end facing.
Combined with robust mechanical performance and advanced control systems, the cold saw ensures a long service life and superior cutting speed.

TUBE MILL FINISHING SECTION

We provides all equipment to tube mill Finishing section:

1. Eddy current machine

2. Seam annealing machine

3. Straightener machine

4. Chamfer and end facer machine

5. Hydro Tester machine

6. Threading machine

7. Painting and oil machine

8. Automatic bundle and package machine

9. Drilling machine

Our Service

Pre-sale service

1. We can provide machine running videos for reference

2. We will recommend the most suitable equipment according to the needs of customers

3. We can provide the layout of the factory

4. We welcome customers to visit our factory

After-sales service

Deliver the machine and documents on schedule
Dispatch professional engineers to install, commission, and train your staff until they can operate independently
Provide a one-year warranty and lifetime technical support
Answer all inquiries in English and Chinese with a well-trained support team
Guarantee 24-hour engineer response service
Ensure all your business information remains confidential

Quality Control

We maintain a dedicated Quality Control Department to ensure that all raw materials meet standards and that every machine runs smoothly and reliably.

Previous : LW1200(300x300mm) Direct Square to Square Forming Pipe Mill

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