2016年8月26日星期五

The Tandem rolling mill is that several mills are laid?

In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness and to make the thickness uniform. The concept is similar to the rolling of dough. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its recrystallization temperature, then the process is known as hot rolling. If the temperature of the metal is below its recrystallization temperature, the process is known as cold rolling. In terms of usage, hot rolling processes more tonnage than any other manufacturing process, and cold rolling processes the most tonnage out of all cold working processes.Roll stands holding pairs of rolls are grouped together into rolling mills that can quickly process metal, typically steel, into products such as structural steel, bar stock, and rails. Most steel mills have rolling mill divisions that convert the semi-finished casting products into finished products.

Tandem rolling mills for wire rod is the process of plastically deforming metal by passing it between rolls. It is the most widely used forming process, which provides high production and close control of final product. Leonardo da Vinci invented the first rolling mills but only after a few centuries rolling mills became important for the steel industry. In its simplest form, a rolling mill consists of two driven rolls in a mill stand with a screw down. The work piece to be rolled is passed through the rotating rolls to get the desired shape.

But in practice rolling mills are not that simple. They are quite complicated and they are of several types. Though all the rolling mills utilize the same principle of rolling but they differ in many ways. The classification of mills can be done in many ways. These are described below.

The Tandem rolling mill is that several mills are laid out in the line, and strip will pass the mills continuously till termination product. The quantity of rolling passes equal to the quantity of mill stands.

2016年8月25日星期四

Use of Hydraulic pusher role?

Hydaulic pusher has developed a full line of hydraulic pusher piston/cylinders to accommodate any shaft end and coupling hub configuration. Our pushers are specifically designed for each application to accommodate your shaft end with full stroke capability to meet your specifications.

This machine Hydaulic pusher up to billets at a time from the continuous caster, and pushes them and the full cooling bed load. Cantilevered rolls keep the bearings and gearboxes away from the heat of the red hot billets.

We provide highly efficient industrial pusher that is fabricated using high grade raw materials. We design and develop industrial pusher as per the specifications provided by the clients. Our superior industrial pusher is durable and thus renders consistent performance for longer period of time. We provide at the most

We are one of leading manufacturers in rolling mills and continuous casting machines. With more than 20 years' experience and professional service, we can supply the whole production lines, from induction furnace, CCM to rolling mills, cooling bed and collection.

Used for pushing the material (Billet/Ingot/Scrap) into the reheating furnace
These kind of a products are generally installed in the backside of the furnace in a rolling mills.. The pushers are delivered completely assembled with all seals and fittings to match your installation equipment and pressure tested to endure against leaks

2016年8月24日星期三

Top 5 benefits of using Table fans


With approaching summers, people have started to think of different cooling table solutions by installing high speed fans, Air Conditioners, Desert Coolers and other methods of cooling. The electronics markets are flooded with different varieties of cooling products ranging variably in their price and cooling capacity.

Though it is a known fact that Air Conditioners possess the maximum cooling capacity, but still the demand for different varieties of fans keep increasing day by day. Installing air coolers instead of air conditioners is very cost-effective. There are numerous electronics brands available in India like Godrej, Orient Fans India, Usha, Priya, Khaitan, etc. that provide good quality high speed fan in all variants. You can easily choose from a wide range of Ceiling, Pedestal, Wall, Multi-utility, Exhaust and Table fans. Depending on your exact requirements, you should invest in a relevant high speed fan with all the features you require. If your requirements are limited to open areas, you can choose to buy a table fan. Let us discuss some of the benefits you will get after installing this standing product:

1. One of the most evident benefits that table fans have over Ceiling fans is that they can help you cool such areas, where you do not have the option to use the alternate product. They are portable and light weight, so they can be easily carried to different locations.
2. If you can arrange for an electrical extension cord, you would be easily able to use the product in distant locations with no power point as well such as roof tops, gardens, balconies, etc. Whereas, it would be impossible to use a ceiling fan without a prior electrical set up set up.
3. Most of these products come with oscillation feature. This feature enables it to rotate the blades of the fan in different directions at 180 degrees, so that cool air is equally distributed to different corners of the room. This feature is especially beneficially for cooling a crowd like a small get-together in an open area. Another benefit of this feature is that, it can only be used on purpose. If you don't want to use the oscillation mode, you can simply switch it off and turn on the regular mode for cooling a particular area.
4. The latest ones are coming with remote control feature that enables you to change different speed modes of the remote fan sitting at one place, just like you use your TV remote. You can also switch off or switch on the remote fan using the remote.
5. They are available in different colors and sizes so you can choose one to suit your requirements. Some of them also come with an expandable height that can be adjusted according to the requirements.

The kind of table fan you choose should ideally depend on your requirements and budget. You can go though the manual of the product before purchasing it, to ensure that you are getting all the features you want. Without bothering much about the price factor, remember to buy quality products from good brands, which would give you a manufacturer's guarantee or warrantee depending on their sales terms.

2016年8月19日星期五

Melting Furnaces and Their Varieties, Uses, and Advantages


Melting furnaces are tools used to heat various materials for industrial purposes. They have been widely used throughout history, mainly in the production of fine china, ceramic jars, pots, and tiles. They can also be used as alternative heating sources.

A wide range of melting furnaces is used in different manufacturing processes today. They vary in their heating configurations, how they are operated and the different materials they heat. The most popular types of melting furnaces include electric arc furnaces, crucible furnaces, and cupola furnaces.

Crucible furnaces are one of the oldest and most basic forms of furnace structures. They are used in metal foundries for melting small ferrous and nonferrous alloys. A crucible is often filled with the metal to be burned and received heat from the crucible wall. Crucible furnaces can be divided into two types: electricity resistance furnaces and gas fired furnaces. Electricity resistance furnaces make used of electric energy to produce heat, while gas fired furnaces use burners are their heat source.

Electric arc furnaces are massive metal melting equipment which can produce heat at extremely high temperatures. They are most suited for melting alloys with high melting points like steel and iron. Electric arc furnaces are often used in facilities which take scrap steel from cars and other metal equipment. They are spherical in shape and have a retractable roof filled with electric rods as a heat source. The electric rods produce currents which pass through the metals, allowing them to change form and melt.

A cupola furnace is used in melting iron and bronze. These provide simpler operating controls, are eco-friendly, and are more cost-effective compared to other melting furnaces. Modern cupola furnaces are operated using more convenient electrical controls, which provide more precise manipulation of heating conditions. Cupola furnaces are cylinder-shaped structures which have varied sizes to heat different masses of metals. They reduce much of the impurities from the metals they burn, and employ a less complex heating mechanism.

Melting furnaces are generally used to make alloys more malleable. The molten products of these furnaces are formed into a myriad of materials and equipment we use every day. Silver and gold are casted to form jewelry, while copper has been made into weapons for hunting. The automobile industry is one of the largest beneficiaries of metal casts. An entire automobile would not be made without engine brakes, engine components and doors made from cast metals.

2016年8月18日星期四

Invest In Regular Server Room Cleaning


If you have a server room Cleaning, then it is vital to ensure it is kept clean. These rooms are frequently set up and only left to operate, with little thought to the wear and accumulation of dirt that can happen day after day. If these rooms are left for too long, a large amount of dust can gather, and this can lead to severe problems.

These rooms are only cleaned or even entered when there is an issue, and an administrator needs to change tapes or reboot a problematic server. However, it can be very costly to let these rooms get dirty because of the amount of damage that can happen to servers.

Thus it is important to use a server room cleaning service. It is imperative to use specialists since the equipment is sensitive, rather than your usual office cleaners. By contracting a professional server cleaner, you can be sure that your gear will be treated with the care it needs, and the room cleaned thoroughly.

There are plenty of benefits to having your server room cleaned. These include the fact that they ensure the longevity of your equipment. It is inevitable that your equipment will gather dust since dust particles are carried in the air and end up getting in the vents at the back of the equipment. This can build, particularly on the fans present in the machine. This can significantly reduce the ability of these fans to cool the electronic equipment inside, which is where you run into real problems.

By having your server room thoroughly cleaned on a regular basis you can make sure that heat isn't causing your servers problems. Heat can reduce the lifespan of some components and in particular affect hard drives. This means you end up having repeated failures with equipment.

Something that you may not also realise is dust will build up in air conditioning units and fans which keep the server room at the required temperature. Getting this cleaned is as important as cleaning the server equipment, again to prevent heat damage.

A clean server room also reduces electrical risks since dust particles can carry moisture and make its way into the inner circuitry. This can cause short circuits. Removing dust from the air, therefore, could not be of more importance, and professional server cleaning services will know exactly how to do this.

There is also a high risk of accidents when you don't have a clean server room Cleaning, and this can have a significant impact on your business. By having dust build up in your server room, you are putting staff and any contractors you work with at risk.

2016年8月17日星期三

Permanent Mold Casting Process - Types, Advantages and Disadvantages


Permanent mold casting is a metal casting process in which metals and not sand is used as the mold material. Typically, cast iron, aluminum, copper alloys, zinc, tin and steel are used as the mold material in permanent mold casting. In this process , molds are pre-heated upto degrees centigrade  before the metal is poured into the cavity. The metal molds heat up and expands during the pouring of hot metal and hence unlike sand castings the mold cavity does not need to be expanded but proper care must be taken to maintain the thermal balance during the casting process.

The Process:

In this form of metal casting process, metals are poured over the patterns to shape them into the required mold shapes. Unlike sand and plaster molds, permanent molds are not flexible to all types of patterns. Once the mold is set, the pattern is drawn out to reveal the coarse mold cavity. These cavities are to be machined to be made smooth. Cavity is then coated with a layer of refractory materials like clay or sodium silicate that makes the mold cavity heat resistant, allows easy ejection of the casting and increases the life of the mold. Machined gates are then attached to the mold.

For casting, the mold is first preheated and molten metal poured into the cavity and solidified. Once the metal is set, it is removed from the mold and the permanent mold is closed again to repeat the casting process. The casts take a weeks time to solidify.

Other types of permanent mold casting:

Gravity Permanent Mold Casting: It the flow of the metal into the mold using the force of gravity. Gravity pouring are of two types: static pouring where the molten metal is poured form the top and; tilted pouring where the mold is slanted and the metal is poured into the mold using a basin. Gravity permanent mold casting produces accurate casting than shell mold castings.


Low-Pressure permanent Mold Casting: In this process only very little amount of forces is used to push the metal into the mold. Low-pressure permanent mold casting process enables producing uniform castings with excellent dimensional accuracy, perfect surface finish and superior mechanical properties.

Slush Casting: Slush Casting is a special type of permanent mold casting in which molten metal is not allowed to solidify completely. After the desired wall thickness is obtained, the not yet solidified molten metal is poured out. This is useful for making hollow ornamental objects such as lamps, candlesticks, statues etc.

Applications:

Permanent mold casting process is used to cast products from iron, aluminum, magnesium, and copper based alloys. Typical permanent mold casting components includes gears, splines, wheels, gear housings, pipe fittings, fuel injection housings, and automotive engine pistons, timing gears, impellers, compressors, pump parts, marine hardware, valve bodies, aircraft parts and missile components.

Advantages:

Suitable for high volume casting ceramic
Quality of heavier casting improves with better use of tooling's and equipment
Casted products have better tensile strength and elongation than sand castings
Mass productions can be done is a single production run, which reduces the manufacturing cost
Products have excellent mechanical properties.

2016年8月12日星期五

Four Ways of Cold Rolling Metal


Everyone knows that metal plays an important role in just about every modern industry.  Look around and you will see a roofs and even entire businesses or appliances made from metal.  Cold metal rolling is extremely useful in forming and moulding these metals.

Cold rolling is a metal working method that is used to reduce the thickness and size of metal.   Unlike induction bending or hot rolling, this all takes place while the metal is cold.  This type of metal rolling not only shrinks the size of the metal you are using, but it also makes it a lot stronger and harder as well.  Each metal sheet or pipe is passed through two or more rollers that at room temperature.  The rollers flatten out the metal and decrease the thickness while increasing the strength and hardness.  And all of this is accomplished without losing any ductility.  This means that your finished metal will not be more prone to cracking or forming fracture lines.

Cold metal rolling differs from hot rolling or induction bending due to the amount of heat that is applied to the metal product throughout the process. In cold metal rolling the metal is usually at room temperature differing from hot rolling where the temperature of the material is raised to a much higher degree. There are four basic methods for cold metal rolling, and each is used for a different function.

Skin rolling

Skin rolling is used to reduce the thickness of metal by .5 to 1%.  The final product will be a smooth metal sheet that is more ductile than those produced with other methods.

Quarter Hard

Metal that is cold rolled using the quarter hard method can be bent or rolled back onto itself without cracking.  This method can reduce the size of a metal by up to 50 percent.

Half Hard

Metal sheets or bars that undergo the half hard metal rolling process can only be bent to a 90 degree angle. This method can reduce the size of a metal by up to 50 percent.

Full Hard

When metal is cold rolled with the full hard process it can only be bent at to a 45 degree angle. This method can reduce the size of a metal by up to 50 percent.

Cold rolled metal usually produces smaller end products than when the same materials are hot rolled or undergo induction bending.  These products can be used for various applications.

There are many different rolling processes attribute to metal working, and each one is used to accomplish different results.  From ring rolling and controlled rolling to flat rolling and roll bending, these processes have been tweaked and developed since the early 18th century to assist in the creation of various metals to be used industry wide.  Cold metal rolling is the preference of many since it tends to have a better surface finish and is twenty percent stronger than other methods.

2016年8月11日星期四

The lack of core technology restricted the casting mould industry development key


It is Steel Casting Mould reported, after 30 years of rapid development, China has become the world's second largest economy and the factory of the world, but, our country in the global industrial chain, mainly to the processing trade, low content of science and technology, low profit margins of Chinese manufacturing industry is still in the low level. The lack of core competitiveness of Chinese manufacturing in the world of low end of industrial division of the important reasons, China's mold industry also is such.

In this, the eighteen Party's report clearly pointed out, accelerate the transformation of economic development mode will be the implementation of innovation driven development strategy, strive to build give priority to body with the enterprise, the market as the guidance, combining the research of the technical innovation system, to improve the core competitiveness of manufacturing industry in china.

The lack of core technology, seriously restricting China die casting industry development, has already caused the great attention of the country. The lack of core technology is our country the casting mold industry in long-term low end industry status, China's high-end die casting technology, also need to import, resulting in die casting industry high production costs, production technology lifeblood masters in others hand, seriously restricting China die casting industry development.

According to the forming of different materials, mold can be divided into a metal mold and metal mold. Metal mold casting mold is divided into: ( non-ferrous metal casting, steel casting ), stamping and forging die; metal mold is divided into: plastic mold and inorganic non metal mold. According to the mold itself with different materials, mold can be divided into : sand mold, metal mold, vacuum mold, wax mold and so on. Among them, along with the rapid development of high polymer plastic, plastic mold is closely related with people's lives. Plastic mold in general can be divided into: injection molding, extrusion molding, gas assisted injection molding mold and so on.

Mass production of sheet metal pieces of steel - cold heading, forging, metal molds.

Metal material - hot, cold, hot, cold rolled sheet metal processing - drawing, integer, bending, punching, blanking nonferrous metal - powder metallurgy die casting, plastic injection, blow molding - ( plastic bottles ), extrusion ( pipe) mold other classification:

Alloy die, metal mold, plastic mold, stamping mold, rubber mold, casting mold, forging mold, extrusion mold, die-casting mold, automotive mold, thread rolling die.

2016年8月10日星期三

Hot Rolling Mills and Electronic Ballasts: The Next Growth Engines


Anything that mentions China cause some raised eyebrows in India. China's machine sector's impressive growth has not gone unnoticed in or elsewhere. Many critics have started speculating that India could soon become tired of catching up with China and China would soon stamp its unquestionable authority in almost all the sectors.

Hot Rolling Mills think tank completely refutes such theories as wishful thinking and projects a robust growth plan of economy backed up by an impressive democratic history. Indian economists think that Chinese media is doing the mistake of taking challenge lightly almost dismissing it as a product of western hype to counter Chinese resurgence.

Recently there were reports that Chinese machinery industry saw an increase of 15 % in production. Although it will be tough for them to sustain the same growth rate in the next year as the demand may fluctuate unpredictably. sector too saw an increase in the production of most of the machinery products particularly hot rolling mills, plastic extrusion machinery and electronic ballasts. The suppliers sincerely hope that this growth will continue for the time to come and will gradually pull off the machinery sector out of slump.

Most of the manufacturers who deal in Hot Rolling Mills and Electronic Ballasts were pleasantly surprised by the recent surge in demand. While they were busy making up for the lost opportunities and targets, Plastic Extrusion Machinery makers too joined in their, off late. Experts believe that as the demand of industrial production is increasing so is Hot Rolling Mills the demand of such machines and equipment which would eventually put Indian machinery production competitive if not at par with China.


2016年8月5日星期五

Steel Rolling Mills; Vital For Manufacturing Industry Growth


One of the engines driving the economies of several industrial nations, especially China, has been the huge consumption of iron and steel used in the massive construction projects going on all over the country. In fact, China's steel and iron consumption is the highest in the world, and to meet this ever growing appetite, a lot of steel mills have been set up all over. These mills manufacture and supply bar mill, strip mills, section, wire rod mill and other types of steel.

Cold or Hot Rolled Steel

Steel is an alloy of iron that has a lot of qualities that surpass the properties of iron both in its use in industry and construction as well as chemical properties. When steel is manufactured, it comes in ingots and has to be stamped, molded or shaped as per the client's requirements. To do this, you would require the use of steel rolling mill machinery to prepare the steel based on the customer's parameters.  These machines transform the raw steel in to the required shapes as per the client's request, so that it can be used for different items. Based on the type of steel required by clients, most steel rolling mill machinery comes in two versions, usually depending on the temperature at which they process the steel. You have the hot rolling process or the cool rolling process, based on the re-crystallization temperature of the steel.

Wires, Rods, and Strips

Steel rolling mill plants play a very important role in the manufacturing industry as steel is one of the most widely used metal in most manufacturing units ranging from real estate, aviation, defense, electrical, etc. As steel cannot be used in its manufactured form, they have to be modified into different specifications and items from steel rods, wire rod mill strips of different sizes, etc. At the present time, the worldwide annual production of steel exceeds 1.5 billion tons, because of its versatility and use in the manufacturing sector. Some of the items manufactured in steel rolling mill plants include H-beam, steel bar mill, wire rod coil, and other items.


As Per Customer Request

For the manufacture of different types of steel products, steel rolling mill machinery can be customized based on client's requirements and adjusted to make steel sheets, bars, and rolls. The output process can be configured and adjusted according to the requirement of the client. Using the rolling process, you can make steel by flat rolling, ring rolling, roll bending, roll forming, and profile rolling. In flat rolling, steel with a rectangular cross section is sent between the rollers resulting in a metal sheet or strip mill. The usefulness of steel rolling mill machinery does not end there as it can be used to make different types of sheet metal and other items. Based on customer requirement, many of the steel mills offer a wide range of products including electrical and hydraulic systems, reheating furnace, lubrication system, case hardened gear boxes, mill rolls, and even scrap processing machinery.

2016年8月4日星期四

Cooling bed for Steel rolling - The Most Robust Doors Available


Outdoor spaces Steel rolling are ideal for parking vehicles and storage purposes. Today, most of the residential structures and commercial garages have such spaces for storing useful or scrap objects. As these spaces are designed to store objects and accommodate vehicles as well, they must have doors for safety purposes. If you think about using such spaces without doors, then you might have to restrict its usage. So, putting a robust door on such places would give you the opportunity to put your valuables as well without any trouble.

There are various types of doors available for such spaces. But if you want the best, then you can go with rolling steel doors. In today's world, these doors are gaining huge popularity in the market, owing to the factor that they provide an added level of security for outdoor storage spaces like garages, sheds, etc. These doors are not only easy to install, but also very easy to operate. There are a lot of great advantages of using these doors over the regular ones that swing open inwards or outwards. These are often used to seal larger openings, but can be installed to cover smaller openings as well. Owing to their flexibility, these doors are ideal for commercial warehouses, carports, large and small shops too.

So, if you are also looking for such kinds of robust doors, then you can easily avail them online. There are various types of doors available that include industrial rolling steel doors, residential rolling steel doors, rolling steel doors for garages, and more. These doors are majorly made of steel or galvanized aluminum, which makes them ideal to protect shops and stores against fire and robbery. And, the best part is that they don't take extra space while opening and closing.

Cooling bed Steel rolling is an important equipment in the field of steel rolling. It used to receiving, transmissing and cooling the rolled piece.

2016年8月3日星期三

Stainless Steel Wire Rods Exporters Manufacturers


Steel rolling takes pleasure in introducing ourselves as one of the leading stainless steel manufacturers, stainless steel exporters, stainless steel importers and stainless steel suppliers of all types of ferrous & non-ferrous metals, especially aisi Stainless Steel 304, Stainless Steel 304l, Stainless Steel 316, Stainless Steel 316l, Stainless Steel 321, Stainless Steel 410, Stainless Steel 420, Stainless Steel 431 and other percentages items namely hastalloy, monel, nickel, titanium & others, basically in all sizes and shapes such as stainless steel sheets, stainless steel plates, stainless steel flats, stainless steel rods, stainless steel circles, stainless steel pipes & pipes fittings, flange fitting & others.

We are quality manufacturers and exporters of "Stainless Steel Pipes, Stainless Steel Pipe Fittings, Dairy Fittings, Compressor Fittings (Double Ferrule Fittings), Flanges & Flange Fittings". The above mention material is manufactured in : "Stainless Steel Material Products, Hastalloy Material, Monel Material, Nickel Material, Titanium Material, M.S, Carbon Steel Material And Alloy Steel Material". We store the above items in huge quantity and supply the same regularly to reputed private and public sector to their entire satisfaction. We are also highly specialized in executing orders in all aspects of project implementation, maintenance, modernization and shutdown application etc.

Strict Wire quality assurance system is being followed in all our departments and total quality management is applied to streamline and all the procedures and practices in operation to achieve high standard of efficiency. Continuous efforts are being made for improvement of materials technology and equipments to give best quality products at the most affordable prices.