Wire rod production line

Industrial machinery with its advancement in engineering are the tools used and applied in the industries and factories to enhance the proficiency and efficiency in terms of overall production.
It is a common fact that we find a wide variety of construction machines on every construction sites, which make the construction jobs easy, safe and quicker.

Today we are want to show you is a wire rod production line. This production line can realize a metal rolling process from billet to steel products and the feature of this wire rod production line is double way rolling.





Technical Parameter:
Finished products: Φ5.5-Φ10mm  wire rod
Steel grade: General carbon steel, high quality carbon steel, low alloy steel
Size of billet: 150x150mm( or less), 1 ton weight( or less)
Maximum rolling speed: 25m/s
Annual production capacity: 0.2-0.3 million tons with double way rolling

Main equipment:
Horizontal two high housing mill stand of 550-280 size
Disk type flying shear
Dividing shear
Water cooling box
Pinch roll
Laying head and loop cooling roller table
Coil collection station
Semi-auto tying machine...

Among these equipments, the binary mandrill coil collection station and semi-auto tying machine which we developed not only satisfies with customer's requirement, but reduces the cost of users as well.

Common wire rod production line

Reheating furnace in steel plant

In steel plants reheating furnaces are used in hot rolling mills to heat the steel stock (Billets, blooms or slabs) to temperatures of around 1200 deg C which is suitable for plastic deformation of steel and hence for rolling in the mill. The heating process in a reheating furnace is a continuous process where the steel stock is charged at the furnace entrance, heated in the furnace and discharge at the furnace exit. Heat is transferred to the steel stock during its traverse through the furnace mainly by means of convection and radiation from the burner gases and the furnace walls.

Re-heating furnace

The charging temperature of the steel stock may range from ambient temperature to 800 deg C. The target exit temperature of the steel stock is governed by the requirement of the process of rolling which is dependent on the rolling speed, stock dimension and steel composition. Steel quality aspects put constraints on temperature gradient and surface temperature. Fuel used in these furnaces can be liquid or gaseous fuel.

The reheating furnace classification can be done in several ways. These are described below.
1. Based on the method of heating a reheating furnace can be combustion type or electric type. The combustion type furnace can be oil fired or gas fired.
2. Based on method of charging reheating furnaces can be classified as batch type or continuous type. In batch furnaces the charged material remains in a fixed position on the hearth until heated to rolling temperature while in continuous furnaces the charged material moves through the furnace and is heated to rolling temperature as it progresses through the furnace.
3. Continuous furnaces can be further classified based on the movement of steel stock inside the furnace. Based on this classification the continuous type reheating furnaces are pusher type, rotary hearth type, walking beam type, walking hearth type or roller hearth type.
4. Based on heat recovery, the reheating furnace can be either regenerative or recuperative. Presently only recuperative type of reheating furnaces are in use.

We are rolling mills and continuous casting machine manufacturer in China, which the final products are round steel, deformed steel and wire rod. We can supply the whole production line from induction furnace, CCM and rolling mills.

Continuous casting machine for steel making

Continuous casting, also called strand casting, is the process whereby molten metal is solidified into a "semifinished" billet, bloom, or slab for subsequent rolling in the finishing mills. It includes pouriong equipment, major equipment, cutting area equipment, dummy bar collection and transmission equipment. Nowadays, continuous casting" has evolved to achieve improved yield, quality, productivity and cost efficiency. This process is used most frequently to cast steel (in terms of tonnage cast). Aluminium and copper are also continuously cast.

Continuous casting machine for steel making

Main equipment:
Ladle
Ladle Turret
Tundish
Overflow tank
Operation box
Tundish car
Mould
Mould cover
Vibration device
Spraying nozzle
Guiding section
The withdrawl and straightening machine
Dummy bar
The storage device of dummy bar
Table roller
Hydraulic shear
Cooling bed
Inspection rack for the mould
Water cooling system
Hydraulic shear


Casting Process chart:

Principles of Metal Rolling

Metal rolling is one of the most important manufacturing processes in the modern world. The large majority of all metal products produced today are subject to metal rolling at one point in their manufacture. Metal rolling is often the first step in creating raw metal forms. The ingot or continuous casting is hot rolled into a bloom or a slab, these are the basic structures for the creation of a wide range of manufactured forms. Blooms typically have a square cross section of greater than 6x6 inches. Slabs are rectangular and are usually greater than 10 inches in width and more than 1.5 inches in thickness. Rolling is most often, (particularly in the case of the conversion of an ingot or continuous casting), performed hot.

Most metal rolling operations are similar in that the work material is plastically deformed by compressive forces between two constantly spinning rolls. These forces act to reduce the thickness of the metal and affect its grain structure. The reduction in thickness can be measured by the difference in thickness before and after the reduction, this value is called the draft. In addition to reducing the thickness of the work, the rolls also act to feed the material as they spin in opposite directions to each other. Friction is therefore a necessary part of the rolling operation, but too much friction can be detrimental for a variety of reasons. It is essential that in a metal rolling process the level of friction between the rolls and work material is controlled, lubricants can help with this. A basic flat rolling operation is shown in figure:130, this manufacturing process is being used to reduce the thickness of a work piece.

During a metal rolling operation, the geometric shape of the work is changed but its volume remains essentially the same. The roll zone is the area over which the rolls act on the material, it is here that plastic deformation of the work occurs. An important factor in metal rolling is that due to the conservation of the volume of the material with the reduction in thickness, the metal exiting the roll zone will be moving faster than the metal entering the roll zone. The rolls themselves rotate at a constant speed, hence at some point in the roll zone the surface velocity of the rolls and that of the material are exactly the same. This is termed the no slip point. Before this point the rolls are moving faster than the material, after this point the material is moving faster than the rolls.

As a professional and experience manufacturer in China, We can give turn-key service from foundation excavation, rolling line design, equipment manufacturing, installation and debugging, technician training depending on prominent capacity of designing and manufacturing and abundant practical experience of installation.

Crank Flying Shear

Rebar Detailing for Construction Industry

Reinforced concrete structures, reinforced masonry structures are becoming more and more popular these days in Real Estate industry. Reinforced concrete is better than any other construction material, because concrete gives superior strength to building. Rebar detailing – also known as reinforcing bar detailing is special part of building construction which deals with reinforced concrete structures.

Rebar detailing is a process of incorporating reinforced concrete and steel reinforcement bars to make your building stronger than ever. General steel bar used with reinforced concrete in building construction is the primary goal of rebar detailing. Special care is taken of concrete due to its importance in providing better strength to building structures.

In rebar detailing, concrete and reinforcing bar are wisely used to accomplish desired tasks. Generally concrete is good at compression, but it is a bit weak when it comes to tension. To cover this drawback, rebar is used with it in order to carry tensile loads. So when rebar detailing is used, you will be getting stronger building than any other related building types.

Rebar detailing is gaining better popularity and utilization in following areas:
• Rebar detailing projects related with Roof Truss and Joint details
• Getting detailed information regarding reinforced concrete joint and slab details• Rebar detailing with Shallow, Raft and Pile foundation details• Rebar Welded, Riveted or Bolted Steel connection details

Fujian Putian Geili Machinery Manufacturing Co., Ltd was founded in 2006, the registered capital of 20000000 yuan. The company covers an area of 40000 square meters. We are not only a manufacturer of steel machinery, but we have our own steel mill, which can produce deformed bar, angle bar, round steel, wire rod, steel coil, steel plate etc. If you have inquiry in these area, pls don't hesitate to contact us.

Steel Rebars

Useful application of roll forming machine

Rolling of metal sheet is the bending continually of the piece along a linear axis. This causes alteration of the original form of the sheet; it becomes deformed. The material receives progressive shaping and contouring as it passes through a pathway of rollers. This product, steel now in a thinner flat state, is part of our everyday life. From the outside metal of your car, to the roof above your head, its uses are varied. To get sheet metal to this state, roll forming takes place upon it. Different roll forming machines prepare this material for the different products it will comprise.

Steel rolling procedure:
Waste steel ----melting---- casting----mold unloading----sorting-----deliver to heating furnace----heating to 1150 degree to 1200 degree----- come out furnace----- rolling----- finished product ----packing---- sales

Task Accomplished by the Machine
Roll forming machines contain power driven bullet type rollers and the basic task accomplished by them is bending the metal sheets like creating corrugated steel sheets and plates among others. They can also roll double sheets in the time required by ordinary machines for rolling single sheets. One of the basic advantages of using the rolling machine is automating the process of rolling making it cost and energy efficient and thereby making great savings in the overhead.

Rolling Machine Components
Among the components used in the rolling machine are –
High power driven qualitative bullet rollers;
Chain and gear driven rollers,Double sheet rolling support stands, andEmergency shut off switches.
Each of the components has its own specific role in the process of building up efficient and high quality rolling machines.

Why Use Roll Forming Machine
These machines are usually deployed for fabricating rigid as well as high strength parts using different types of metals. It can be used for light metals like aluminum as well as strong metals like steel of half inch thick. Rolling machines are used to manufacture building components with metals, and other items like angles, studs, supports, C as well as U channels and the hat channels among others.

 Steel Rolling Production Line (turnkey service)

Packing of steel coils

The function of packaging is not simply only physical protection but also marketing, barrier protection, security, information, convenience and portion control. Packaging has become an integral part of manufacturing business today and therefore manufacturers have to make sure that they have the right machines that allow them to pack their goods in the right way to the market.

One of my old customer said that a steel coil mill made a very simple package of the goods, and when arrived, customer opened the package and found that the surface of coils are all wet, or even water droplets. This will affect the normal use of galvanized roll. It's really terrible. Below are some notes, according to my experience, I would like to share with everyone refer to the package of the galvanized rolls.

Packaging are divided into horizontal packaging and vertical packaging. The main difference lies in the vertical packaging with a wooden tray or iron under it, in order to make the reinforcement of coils in containers more solid. Of course, horizontal packing is also safety, because when loaded into containers, it will be reinforced by different ways. No matter horizontal or vertical, the packing of roll is same.
1. Water proofpaper
2. Steel layer
3. Straps
4. Tags/ Marks

Above all is the details for the packing, and sincerely hope it will be helpful. Indeed, whatever you choose the steel coil or steel sheet, these experiences above can be noticed, as long as you do the packaging services better, customers can satisfy with our steel products and steel prices better.

We engineer the design and supply of equipment for rolling mills on a world wide global basis. We have many strong partners world wide that have excellent manufacturing experience and capabilities for our products that give geili an incredible price advantage.

Steel Wire rod Packing Machine