Hot Rolling Mill

Chinese famous person, Deng Xiaoping visited Baosteel and the inscription "master new technology, be good at learning, but also to be good at innovation." Development of iron and steel enterprises does not stay in the introduction, but in the production process, constantly on the production line diagnosis, and then determined for technological transformation. This transformation is sometimes multiple times, and each time the transformation is innovation and progress. Learning and innovation--important quality should maintain in the bad market situation, we should do our best to improve our steel rolling mill equipment , make high-quality rolling machines, and improve our competitive advantage. Combined with the company for many years of practical experience in the field of complete sets of steel rolling mill equipment. Creative developed suitable rolling mills for small and medium enterprises, rolling products for multi-species, multi-standard high-speed wire rods, and re-bar

It is necessary that explain what is a furnace . According to Wikipedia : “A furnace is a device used for high-temperature heating. The name derives from the Greek word Fornax, which means oven.” Also, there has a popular statement that a furnace is a device that is used to heat materials in order to exchange their shape as in shaping and forging or the properties of the material can be changed. These furnaces are mostly used for melting the metals that are used for casting. The furnace can be termed as a type of oven. In addition, it is an enclosed structure inside, which makes the material heated at very high temperatures. It can be designed to perform water or air heating as well as circulated throughout a building in a heating system. Furthermore, the way of a furnace design like this has its advantages and features, which as a way to consume fuel and heat as less as possible in a given time that would require low labor costs at first. Second is the apparent efficient features: The

China has pushed back after the US boosted anti-dumping and anti-subsidy duties on some of its steel products, saying mills in the world's biggest economy lack competitiveness because they are over-protected. Protectionism in the US steel sector is deeply worrying as these measures will only exacerbate friction without helping to solve the problem of shrinking global demand, China's commerce ministry said in a statement on Thursday. "China believes that the lack of competitiveness in the US steel industry is the result of over-protection," it said. The world is awash in steel as demand drops in China, which accounts for about half of global production. To offset declining consumption, overcapacity, and weakening prices at home, Chinese mills have boosted exports to record levels. That's raised trade tensions worldwide, spurring a backlash from rival producers and forcing policymakers to try to address the problem, including at May's Group-of-Seven meeting in J

Rolling Mill Roll is a major part of the rolling mill, in the production of steel rolling, roller direct contact with the rolled piece and produced metal plastic deformation. It is the main deformation tool of the rolling mill. Mill Roll is also the center of the whole frame, the other components and institutions of the frame are for the installation, support, and adjusting of the roller.  Mill roll working features: Studio to sustain large rolling force and torque, accompanied by a strong dynamic load. Working under the condition of high temperatures and the temperature changes a lot, accompanied by hard iron oxide when hot rolled, the roller surface is easy to wear; Cold rolling, especially when rolling sheet, the roller always in a state of elastic flattening, the contact stress is huge, makes roller very easy to damage. Due to the roll continual friction in the rolling process, directly affects the quality of the rolled piece, but also affects the service life of the roller.

China declined to sign an international statement on actions needed to tackle the steel glut in a sign of the obstacles to balancing a market dominated by Chinese mills. Representatives of the European Union, the US, Japan, Canada, Mexico, South Korea, Switzerland, and Turkey issued a statement on steel-market overcapacity after meeting this week in Brussels. China, which is the world's No. 1 steel-producing country and took part in the April 18 gathering, isn't among the signatories, according to the European Commission, the 28-nation EU's executive arm. "The restructuring that needs to take place in the steel industry should be market-driven, with production and trade flows reflecting the market-based competitive positions of steel producers," the group of signatories said in a statement released by the commission on Wednesday in Brussels. Steel-trade tensions are rising worldwide as a result of a flood of exports by China, which accounts for about half of world

 Steel rolling mill is a machine plant where steel products are manufactured. Rolling is basically classified into two types, known as hot rolling and cold rolling. Hot rolling is used to manufacture sheet metal and simple cross sections such as railroad bars, however cold rolling are usually used to make sheet metal. The manufactured steel products mainly include channels, angles, rounds, beams, and hexagons. The steel rolling mill machinery is usually designed by an experienced mechanical engineer. And we should know that steel is the primary raw material in the process of steel rolling mills.  The machinery need in steel rolling mill s not only has a very large volume but also has a very heavy weight. Skilled and experienced workers operate the machines and handle the other processes. All of this are depending on the space and requirements the customer gives, and one steel rolling mill process, it may have more than one steel rolling machine. Although the workers are experienced, th

China Steel Market Newest Analyze Five months is already passed in 2016, and the price of steel market is more fluctuating than before most of the time the price has big changes in just one day, market experts are getting vaguer and vaguer about future trends, and most us say we can't predict the future, hereby, we take this chance to investigate the trends of steel future in china. By analyzing the past 5 months of 2016, from Jan to Apr the price of steel was going up continually, and steel profit per ton reached 1000 yuan/ton, the reasons are very confirmed, because the low storage, low price, and some demands come back, pre-warming with some benefit policy, but at the end of April, this kind of price raising stops intermediately, from 21 april to 16 may, the steel billet price dropped from 2640/ton to 1920/ton, about half of the price rise has been dropped in just one month, people in the market says, price dropping is much quicker than raising. From the collected data, there ar

The New Method of Combining Emulsion and Neat Oil Lubrication in Cold Rolling Mill One of the key processes in cold rolling mill  is known as the cooling and lubrication process(cold rolling lubrication), it not only determines the surface quality and strip shape but also reduced the rolling power consumption, and extends the life of the roll even during high-speed operation.  As we discussed, a new method combining emulsion lubrication and neat oil lubrication was applied to solve the problems related to individual passes. Plenty of tests on stainless steel strips came to the conclusion that this new lubrication method can improve the surface quality of the strip, and control the rolling friction in the deformation zone, and it has the great potential of making lubrication systems simpler, easier to operate, all those while reducing the negative environmental impact from the processing.  In direct supply lubrication, oil and water are mixed and sprayed on the strip surface in the inle

Factors Result in the Slowdown Started Rolling Equipment The speed of starting to run the rolling mill equipment for efficient work has a very important role when you start running it; however, sometimes accidents do happen, and rolling equipment ready to start running while starting running speed becomes slower. At the same time, this inevitable accident not only seriously affects the efficiency of the rolling mill, but the rolling stock and the roll force also can not in good status. From all above, it is illustrated that the rolling mill has obviously insufficient in terms of performance. It results in lower and lower rolling stock and rolling mill’s efficiency if the speed of starting running a rolling machine can not improve effectively. And if you can not quickly overload start, it will have a greater dough rolling speed. For that, the analyses of the reason why is it low start as follows.    Before the rolling mill starts running, first we need to verify how much electrical pow

  Wire Rod Rolling Process Analysis According to the rolling speed, there are two types of  wire rod rolling mills , one is a normal rolling mill, and the other one is a high-speed rolling mill, compared with the normal rolling mill, the high-speed rolling mill requires higher technology for sure, the wire rod rolling, there are some matters you have to pay attention to, the wire rod has the following characteristics, small cut surface, very long, requires high accuracy and surface quality, the main rolling process are:      Billet： The wire rod billets are mainly continuous small billets, around 120-150mm, with lengths is 6-12m, during the operation field, visual inspection, Electromagnetic induction detection, ultrasonic flaw detection, etc, those methods are often used to detect the quality of billet. Heating: Normally using a walking beam furnace, the heating with less oxidation and decarburization, the billet would not likely to be twisted, the billet of a modern high-speed rollin

Wire Rod Rolling Process Analysis According to the rolling speed, there are two types of wire rod rolling mills , one is a normal rolling mill, and the other one is a high-speed rolling mill, compared with the normal rolling mill, the high-speed rolling mill requires higher technology for sure, the wire rod rolling, there are some matters you have to pay attention to, the wire rod has the following characteristics, small cut surface, very long, requires high accuracy and surface quality, the main rolling process are:      Billet： The wire rod billets are mainly continuous small billets, around 120-150mm, with lengths is 6-12m, during the operation field, visual inspection, Electromagnetic induction detection, ultrasonic flaw detection, etc, those methods are often used to detect the quality of billet. Heating: Normally using a walking beam furnace, the heating with less oxidation and decarburization, the billet would not likely to be twisted, the billet of a modern high-speed rolling m

Hani Tech group is devoted to the steel rolling mill machinery industry, we specialized in manufacturing high-speed wire rods, re bar, rolling mills, high-speed gear box, and hard-faced gear box, we also provide complete design for your rolling mill workshop, not only turnkey project, but also tailor-made service, and we provide all the parts for roughing rolling mill, intermediate rolling mill process, including pinch roll, all kinds of shears, laying head, all of these crucial parts work extremely precisely and reliably.  Hani Tech is a well-experienced enterprise; we have more than 20-year experience in manufacturing rolling mill machinery, our core technology team is very experienced and they are all well-known in this industry in china, with high technology and the best service, after decades of researching and developing in this industry, we gain really high reputation, and customer satisfaction. As an ISO 9001 certificated enterprise, we deeply know that quality is the soul o

The Truth of the Steel Price Fluctuate in China 2016 In the past 90 days, the steel market price in china is rarely risen and dropped suddenly and sharply. With this price rising up, more and more factories start reproducing, and only in the past 1 month, the production per day is around 96 million tons, with this production rate, the yield of 2016 is going to surpass 2015. The unpredictable steel price creates a problem, the manufacturers can not predict the future, and they can not plan, which makes the cost uncontrollable. An analyst from economics says this round of price fluctuates, its more like speculation dominated, during this month, June, bull and bear, these two powers start their competition. What are the Steel Manufacturers Thinking about? The price of rebar raising on 7th March, and it reaches to peak on the 21st of April, but the atmosphere is still very tense. Guofeng, as the biggest private manufacturer in Tangshan, keep buying raw material for insurance. But not like

'Ice Age' Arrives for Global Steel, Says Top China Mill  The crisis engulfing the global steel industry is so severe that one of China's top producers has warned a new Ice Age has set in as mills confront overcapacity and rising competition that threaten their survival. "In 2015, China experienced a slowdown in economic growth and excess steel capacity, which caused the domestic and overseas steel industry to enter into an 'Ice Age'," Angang Steel said after posting a net loss of 4.59 billion yuan for last year. There are severe challenges, fierce competition, and difficult survival conditions, it said. Steel demand in China is shrinking for the first time in a generation as growth slows and policymakers seek to steer the economy toward consumption. Faced with declining sales at home, mills in the top producer - which accounts for half of global supply - have shipped record volumes overseas, heightening competition from Europe to the US Tata

Iron Ore Extends Rebound on China Steel Bets China's iron ore futures climbed the most since the trading started in 2013 as rebar stockpiles continued to shrink, signaling the surge in steel production to a record that may have further to run to satisfy demand. Futures advanced 5.6 percent to 367 RMB ($US55.91) a tonne on the Dalian Commodity Exchange. While, in Singapore, the SGX AsiaClear contract for September gained 5.3 percent to $US44.70 a ton. China suppliers mass-produced a record amount of steel on a daily basis in April as they responded to a spurt in prices that rescued margins.  Figures for May are due on Sunday. The industry remains wracked by chronic oversupply and is reliant on exports to clear its surplus. "Steel inventories continue to decline, showing that the surge in output has not been enough so far to replenish inventories," Xu Ke, an analyst at Huatai Futures in Shanghai, said by phone. "Fundamentally, China's steel industry remains oversup

Structure Flying Shear And Working Principle With the rapid development of rolling mills, flying shear has become indispensable equipment in continuous rolling lines, mainly for hot-rolled and cold-rolled, cutting head, cutting tail, cutting the sample as well as incident handling, including cold-rolled strip steel drum flying shear. A steel rolling mill operation frequently appeared on the shears that cannot cut the strip normally phenomenon, causing huge economic losses. To make concerned people fully understand the roller structure and working principle, therefore, it is necessary that summed up its maintenance and repair experience to maintain the normal operation of the production and improve the economic efficiency of enterprises. Structure Flying Shear and Working Principle   Typical Structure Generally, the drum-type mill bearing is composed of three parts flying shear body gear and equipment lubrication piping, which chassis and rotating hub into one. As whole equipment, it is

Wire discharger drive gearbox used welding structure. The gear and bearings used a thin oil central lubrication process. Wire discharger : It is the vertical cantilever structure and the center line slopes down ten degrees. It consists of a spinning pipe that is installed in the rotation dabber and gearing. There is one DC adjustable-speed motor that could drive the rotation dabber through a pair of bevel-gear wheels. The spinning pipe can spin a regular wire coil on the basis of setting revolving speed. Wire discharger rotation dabber consists of a spinning head and hollow shaft. The spinning head is used to fixation the spinning pipe and hollow shaft. And the hollow shaft would be driven by a bevel gear in the driving box. There is a pipe among the internal bevel gear. And there is a water-cooling drivepipe between the pipe and the hollow shaft. Water-cooling drivepipe is used for cooling the pipe and it will protect the bearings of the hollow shaft to keep it away from

Construction Features of Pinch Roll & Wire Rod Laying Head The pinch roll and wire rod laying head are closely adjacent semi-open system. The pinch roll is arranged before the entrance of the wire rod laying head and transportation of the gripping rolled piece into the wire rod laying head.  Then wire discharger will transform the gripping rolled piece to helici form rolled piece which a diameter is 1080mm and flat the rolled out to the scattered coils cooling roll table. Pinch Roll It is the horizontal cantilever structure. It has a double roll device and one air cylinder which is used to control the roll up and down synchronous clamp. The Pinch roll DC motor is used to improve drive speed by two-stage cylindrical gear. Up and down rolls are installed respectively at two swing arms. There is one air cylinder that drives the up and down roll synchronously close to or leaves the rolling line by a group of crank-link mechanisms.  There is equipped with adjustable limit equipment to a

Small rolling mill bearing lubrication is very important in rolling production line, especially the current type of rolling mills are varied, inverted vertical drawing machines in accordance with the application can be divided into blooming mills, rebar rolling mills , steel mills, strip mills, as well as specialty steel mill and other mills. When rolling the mill under a long time working, due to the great friction generated in the process of high-speed rotation the bearing part is very easy to heat. So, how to cool the rolling mill becomes a problem we must resolve in time. And that is to say, we must cool the rolling mill bearing by lubricating and lowering the temperature and cooling treatment.  The general heavy machinery (including rolling mill and its auxiliary equipment) lubricating devices commonly used have dry lubricating oil, light oil, and oil mist lubricating devices; China’s lubricated mechanical equipment basically can completely supply. The nominal of thin oil lubricat