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114mm tube forming machine Tube Mill Line

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Detail

114mm tube forming machine Tube Mill Line

Tube is formed in round shape passing through a set of driven and idler rollers of forming section before welding. In welding section tube id longitudinally welded by using high frequency induction welding method. Outside bead is removed and formed in shape of scrap. The weld seam is ironed and tube passes though the cooling section. In sizing section, tube is formed to specified size and converted into specified shape. After sizing, tube is cut to specified size and converted into specified sh

Product Detail

LIST OF EQUIPMENT AND SCOPE OF SUPPLY

Equipment

Quantity

Entry Section

▪Double mandrel Uncoiler

▪Shear & welder, with TIG welder

▪Horizontal strip accumulator

1No.

Forming, welding, cooling and sizing section

▪Forming mill with drive unit

▪welding mill

▪Solid state H.F. induction welder

▪Cooling trough

▪Sizing mill with drive unit

1set

1No.

1set

Cutting and Delivery Section

▪Friction saw cut-off

▪Driven roller run out table ,Inspection table & Collectors

1No.

Auxiliary equipment

▪Roll coolant system(cooling tower)

▪Centralized lubrication system

▪Hydraulic. Power Unit

▪Coolant liquid purify device

1No..

2Nos.

1No

Electrical Equipment

▪PCC Panel

▪AC/DC Motors

▪Drive Panels

▪MCC Panels

▪PLC(Fitted in one drive panel)

▪Control Desks

1No

As specified

3Nos.

1No.

3Nos.

The proposed tube mill is a combination of equipment installed in a line for the production of High Frequency Induction Welded (HFIW) carbon steel tubes. The process involved is cold forming of carbon steel strip in circular shapes, longitudinal welding, sizing, converting into specified shape and cutting to pre determined length.

The complete line is divided in three sections:

▪ Entry Section

▪ Forming, welding, Cooling and sizing Section

▪ Cutting and Delivery Section

Raw material (Steel Strip) in form of a coil is uncoiled and fed into forming section passing through the equipment of entry section. Entry section enables the tube mill to run continuously by using strip joining and accumulation equipment. Tube is formed in round shape passing through a set of driven and idler rollers of forming section before welding. In welding section tube id longitudinally welded by using high frequency induction welding method. Outside bead is removed and formed in shape of scrap. The weld seam is ironed and tube passes though the cooling section. In sizing section, tube is formed to specified size and converted into specified shape. After sizing, tube is cut to specified size and converted into specified shape. After sizing, tube is cut to specified length by using flying cutting equipment and delivered in collecting though passing through run out conveyor.

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 517MPa (75,000 psi max)
Material Yield Strength	Max 460MPa （67,000 psi max）
Coil OD	1200mm to 2000mm
Coil ID	508mm&610mm (customer order)
Coil Weight	Max 7000 kg
Strip Width	Min 80mm, Max360mm
Strip Thickness	Min2.0mm Max4.0mm

▪ Production Range

Type of production	▪Round Tubes ▪Square and Rectangular Hollow Sections
Round Tube OD	Min 25.4mm, Max 114mm
Round Tube Thickness	Min 2.0mm, Max 4.0mm
Square Hollow Section	Min 20x20mm, Max 90x90mm
Rectangular Hollow Section	Min 30x20mm, Max 100X80mm
Square and rectangle Tube Thickness	Min2.0mm, Max 4.0mm
Tube Cut Length	Min 6 meter, Max 12 meter

▪ Line Specification

Line speed	Max 50m/min Min 10m/min
Direction of Operation (To be confirmed by buyer)	Left → Right or Right → Left
Welding Method	High Frequency Induction Welding
Total Electric installed capacity	800kw
Line area	Approx. 70x8.0 meter (length x width)

Forming Section

Shaft material:	40Cr, HF tempering quenching
Material of bevel gear:	20CrMnTi
Driven stand	7 sets
Idle stand	8 sets
Gear box	7 sets

Sizing Section

Shaft material:	40Cr,HF tempering quenching
Material of bevel gear:	20CrMnTi
Driven stand	5 sets
Idle stand	5 sets
Gear box	5 sets

Why Choose Us?

Leading Technology, Reliable Quality, Excellent Service!

Optimized Design, High quality material select!

Heat treatment process guarantee!

Spiral bevel gear, drum gear coupling and carburization.

Gear teeth quenching.

Driven system stable, efficient and wearable with lower noise.

High precision wear resisting and Long life of rollers.

All the machine Lathes, Key Grooves are positioned and Milled by CNC.

Our Machine produce:

a. Round pipe

b. Square and rectangle pipe

c. API standard casing and tubing

d. Solar field pipe

e. Cold Roll forming C,Z,L,U

Hollow Structural Sections (HSS) are successfully and productively used on:

- Support columns and roofing in commercial, residential, industrial and institutional buildings.

- Rack and storage systems.

- Industrial machinery.

- Heavy equipment.

- Oil field construction.

- Reinforcing building or structures foundations.

Hollow Structural Sections (HSS) are a versatile steel product widely used in construction and industrial applications. Their unique hollow profile, often in square, rectangular, or circular shapes, provides excellent strength-to-weight ratios, making them ideal for structural support, columns, beams, and frameworks. HEBEI AIS MACHINERY offers a range of HSS products that meet stringent industry standards, ensuring durability and reliability for your projects.

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