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Aluminium Tube Production Line

This aluminium tube production line is special equipment for making hollow glass aluminum tubes. It takes aluminum strip as raw material to produce hollow glass aluminum tube of required specifications by using cold roll forming and high frequency welding methods.

Description

Aluminium tube production line

1. Production line overview

This aluminium tube production line is special equipment for making hollow glass aluminum tubes. It takes aluminum strip as raw material to produce hollow glass aluminum tube of required specifications by using cold roll forming and high frequency welding methods. This line adopts advanced roll forming technology to ensure stable running, easy to operating and maintaining.  It reaches the advanced level in structure and accuracy among the industry.

2. Main technical performance

Raw material

Alloy aluminum strip

Tube specification

Tube size

6mm, 8mm, 10mm...20mm.

Thickness

0.2—0.4mm

Welding method

High frequency induction welding

Welder power 60Kw

Production speed

Max 100m/min

Power supply for driving

Voltage: AC380V±10%

Phase: 3 phases
Frequency: 50HZ±1.0%

Power supply for controlling

Voltage: AC220V±10%

Phase: single phase
Frequency: 50HZ±1.0%

Total power for production line

About 100Kw

3. Production flow

Raw material (aluminum strip coil) - Material uncoiling - Feeding and direction guiding - Roll forming - High frequency welding - Welding burr removing - Water cooling - Size adjusting - Straightening - Saw cutting - Tube unloading - Tube packing - Checking and collecting

4. Main equipment

1) Uncoiler

image001

Used to support aluminum strip coil and uncoil it.

It can provide raw materials for the production line.

1) Structure type

Double working position

Mechanical expanding

2) Coil width

Max 60mm

3) Coil outer diameter

Max Φ1600mm

4) Coil inner diameter

Φ350-Φ550mm

5) Center height

1000mm

6) Weight bearing

Max 3T

2).Forming and sizing mill

It is used to roll the aluminum strip to form into tube shape and weld it. It takes the skin effect and proximity effect of high frequency current to make the current highly concentrated on two edges of aluminum strip so that the two strip edges are quickly heated to welding temperature and welded together by extruding roller. It becomes required aluminum tube after water cooling, size adjusting, straightening and cutting. The main machine is composed of forming part, welding part and sizing part.

image003

1)

Structure type

One lathe bed for forming and sizing part.

Independent transmission for forming   and sizing part.

2) Arrangement

Forming part: Feeding and direction   guiding - 12 Horizontal rolling frames

Welding part: Direction guiding -   Extruding - 2 Welding burr removing - Water cooling
Sizing part: 5 Horizontal rolling   frames - Speed measuring - 2 Straightening

3)   Transmission   method

Two 11Kw DC motor transmit power to   gear box through reducer, then gear box transmit power to each horizontal   frame through universal transmission shaft. It has the advantages of high   transmission efficiency, convenient maintenance and replacement, and also   overload protection function for horizontal frames.

4)

Horizontal frame

Used to install horizontal rollers by   taking gantry type integral frame. The height of down roller is no need to be   adjusted, the height of the bottom line of roll forming is ensured by the high   precision of the machine and the high precision adjusting pad. The height of   the upper roller shaft can be adjusted by the nut of the machine frame.

Horizontal roller shaft diameter Φ30mm,   material 40Cr, quenching and tempering treatment, surface high frequency   treatment.

5)

Gear box

The gear box is composed of a pair of   spiral bevel gears and helical gears. Bevel gear material 20CrMoTi, carburizing   and quenching treatment.

3). Cutting saw

It isUsed to roll the aluminum strip to form into tube shape and weld it. It takes the skin effect and proximity effect of high frequency current to make the current highly concentrated on two edges of aluminum strip so that the two strip edges are quickly heated to welding temperature and welded together by extruding roller. It becomes required aluminum tube after water cooling, size adjusting, straightening and cutting. The main machine is composed of forming part, welding part and sizing part.

image005

1) Structure type

Controlled by PC program

Tracking and cutting to required length

2) Error in length

±3mm

3) Cutting motor power

4Kw

4) Driving motor power

11Kw

4). Automatic unloading table

It isUsed to conveying aluminum tubes cut by the saw.

image007

5) High frequency welder

It is Used to weld the aluminum tubes. This machine is a high frequency induction heating device of high efficiency and energy saving. It has advantages of high efficiency, simple and reliable circuit, convenient operation so it not only improve the production process and the quality of products, but also has energy saving effect. The complete equipment is composed of rectifier cabinet, speed control cabinet, inverter cabinet, transformer, operating platform, and wind-water cooling system. The solid state high frequency welder is designed according to the continuous running, and the integrated control and fault diagnosis function of the welding machine is realized by PLC programmable control system. The characteristics of solid state high frequency heating system: simple circuit, convenient installation and convenient maintenance, complete protection, harmonic interference is small, does not pollute the power grid safety, high pressure sensors on the aluminum ignition high efficiency, obvious energy saving, cooling water consumption, no welding spatter, good welding quality.

image009

6) Rollers

It is Used to roll form the aluminum tubes. It can form the tube blank by the pressure generated by rollers. By taking the principle of reasonable design, high precision NC machining and vacuum quenching, it has the characteristics of high precision, reasonable forming and long service lifetime.

image011

5. Items buyer should prepare

1

Workshop   to place the whole pipe production line (more than 35×5m²) and high frequency appliances (more than 6×4m²).

2

Power supply: The main electric source to high frequency room and production line. Connecting wires from high frequency to the main machine.

3

Gas supply: one air-compressor (1.0m³/min).

4

Water supply: Water pool (20m³) and one pumps for water recycling.

5

Several saw pieces of the computerized saw according to the specification, induction copper tube (Φ8×1) and magnet bar according to pipe specification.

6. Technical services

After signing the contract, the supplier designated person in charge of the project, responsible for the coordination of both sides in the coordination of the whole process of project coordination work (such as manufacturing design, project schedule, accessory equipment, packaging and transportation, installation, commissioning and technical disclosure). Supplier provides equipment foundation drawings, wearing parts and spare parts list.

7. Quality assurance

Supplier provides the complete set of equipment. The warranty period is one year after installation and debugging, any quality problems during the warranty period, the supplier shall provide free maintenance (except wearing parts and man-made damage).


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