
FFX Forming and Sizing Section Technology for Tube Mill Lines for the production of High Frequency Induction Welded (HFIW) carbon steel tubes. Breakdown section no need change roller, save cost and time.
FFX Forming and Sizing Section Technology for Tube Mill Lines for the production of High Frequency Induction Welded (HFIW) carbon steel tubes. Breakdown section no need change roller, save cost and time.
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.

“FF” Forming Way Advantage:
1. It can save 40-60% expenses on rollers;
2. One set of roller can be used to produce all round pipe between Φ114 and Φ273 in the break down section. And roller in the breakdown section no need to be changed.
3. It can reduce product period;
4. It is easier to restore and adjust roller;
5. Adjusting and maintaining easier.
6. Square and rectangle pipe change from round pipe.

Forming section | 4 sets Universal roll stand 6 sets of horizontal roll stands 4 sets vertical roll stands |
Horizontal roll Shaft material | 42CrMo, quenching |
Material of gear box | Cast steel |
Material of bevel gear | 20CrMnTi |
Forming Mill Motor | 2 sets |
Forming Mill main speed reducer | 2 sets |
Sizing section | 5 sets of Universal roll stands 1 set of Vertical roll stand 2 sets Turk’s head stand |
Shaft material | 42CrMo, quenching |
Material of gear box | Cast steel |
Material of bevel gear | 40CrMnTi |
Sizing Mill Motor | DC motor |
Sizing Mill main speed reducer | 1 set |

We provides all equipment to tube mill Finishing section:
4. Chamfer and end facer machine
7. Painting and oil machine
8. Automatic bundle and package machine
a. Round pipe
b. Square and rectangle pipe
c. API standard casing and tubing
d. Solar field pipe
e. Cold forming C,Z,L,U

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.

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

1.We will delivery the machine and provide the documents on time to make sure you can get the machine quickly
2.When you finish the Preparation conditions, Our fast and professional aftersales service engineer team will go to your factory to install the machine, give you the operating manual, And train your employee until they can operate the machine well.
3.We provide one year warranty and life-long technical support.
4.Well-trained & experienced staff are to answer all your inquiries in English and Chinese
5 .24 hours for engineer response.
6.Your business relationship with us will be confidential to any third party.
We have the single quality department, that make sure the material of the raw materials is good, and ensure the machine running smoothly.



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