Half-Speed Steel Roll With High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 41000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Type:
Rolling Machine
Feature:
High Efficiency
Forging method:
Mold Forging
Company Profile
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Mill rolls are our main products.
CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.
The product introduction of mill roll
Equipped with advanced technological facilities on melting, casting, forging, heat treating and mechanical machining, our factory has formed 9 professional complete roll manufacturing lines of cast steel, cast iron and forged steel rolls such as strip mill rolls, heavy section mill rolls, wire & bar rolls, special shaped rolls and small-sized cold rolls and specialized production lines of bloom and slab CCM, coke oven equipments and wind power products. Annual production capacity of mill rolls is 500,000 tons, metallurgical equipment is 80,000 tons.
Workshop
Workshop is the core of our company and undertakes all of scientific research work. The company specially produces and supplies all kinds of roll used for hot strip mill, cold strip mill, plate & heavy plate mill, large-sized section mill, universal mill etc.
Products & Specification
| Mill | Application | Material | Product Specification | ||
| Hot Strip Mill | Large-sized vertical roll | Special alloy cast roll, Adamite | All Sizes | ||
| Small-sized vertical roll | Adamite, HiCr iron | ||||
| Roughing work roll | Special alloy cast steel, Adamite, HiCr steel, Semi-HSS, HiCr iron | ||||
| Finish rolling | Early stand work roll | HiCr iron, HSS | |||
| Later stand work roll | ICDP, HSS | ||||
| Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |||
| Alloy forged steel | D≤¢2000,W≤75t | ||||
| Temper rolling | Work roll | HiCr iron | All Sizes | ||
| Alloy forged steel | |||||
| Back-up roll | ICDP | ||||
| Duplex cast steel | D≤¢2000, W≤80t | ||||
| Alloy forged steel | D≤¢2000, W≤75t | ||||
| Mill | Application | Material | Product specification |
Cold strip mill & Single stand cold mill | Work roll | Alloy forged steel | All Sizes |
| Intermediate roll | Alloy forged steel | ||
| Temper roll | Alloy forged steel | ||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |
| Alloy forged steel | D≤¢2000,W≤75t | ||
Largesized universal structural mill | Break-down roll | Special alloy cast steel, alloy nodular iron | All Sizes |
| Horizontal collar | High carbon adamite (duplex) | ||
| Vertical collar | High carbon adamite, HiCr iron | ||
| Edger roll Edger roll | High carbon adamite | ||
| Shaft | Alloy forged steel |
| Mill | Application | Marterial | Product Specification | |
| CSP | Vertical Roll | Adamite, Special alloy cast steel, HiCr iron | All Sizes | |
| Roughing work roll | Semi-HSS, HiCr Steel | |||
| Finish rolling | Early stand | HiCr iron, HSS | ||
| Later stand | ICDP, HSS | |||
| Roughing & Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Steckel Mill | Vertical roll | Adamite, Special alloy cast steel | All Sizes | |
| Roughing work roll | ICDP, HiCr iron | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Plate & Heavy plate mill | Rough rolling | 2-hi work roll | Special alloy cast steel, Tool steel | All Sizes |
| 4-hi work roll | HiCr iron, ICDP | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Single stand work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
Quality Control
The company has the most advanced experimental and testing equipments in global mill roll industry, including direct-reading spectrometer, spectrum analyzer , X-ray fluorescence analyzer, scanning electronic microscope, energy disperse spectroscopy, X-ray diffractometer, image analyzer, high/low temperature metallographic microscope, X-ray stress meter, brittleness temperature tester, thermal analogue machine, dilatometer, macro and micro hardness tester, OMNISCAM-1X automatic flaw detection, USN60 ultrasonic flaw detector, magnetic powder and non-destructive flaw detection etc,. The advanced inspection equipments and experimental methods provide guarantee for quality control and experiment on material, usability test and performance.
The factories of CNBM invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on three projects, production line of centrifugal casting rolls for hot strip and plate mill, forged roll for cold/hot strip mill, national class technology center and roll material lab. Through upgrade transformation, the following targets have been achideved:
(1)It becomes the world's biggest specialized mill roll maker with the largest production scale, the most complete specifications of products and the most extensive coverage of various rolls used on rolling mill.
(2) The technology of equipments has reached international leading level.
(3) "Mechanization, automation, intellectualization, digitization" of equipments obviously improve the quality control ability.
(4) New types of research instruments improve the R&D capacity of products.
Customers Visit
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your requirement.
- Q: How is the waste material generated during metal casting machinery process managed?
- The waste material generated during metal casting machinery process is managed through various methods such as recycling, reusing, and proper disposal. Many metal casting facilities have implemented efficient recycling systems to collect and reuse waste materials like sand, metal scraps, and other byproducts. This helps in reducing waste and conserving resources. Any hazardous waste is handled according to proper disposal protocols to ensure environmental safety and compliance with regulations.
- Q: What are the different types of waste water treatment methods used in metal casting machinery?
- There are several different types of wastewater treatment methods that are commonly used in metal casting machinery to effectively manage and treat the wastewater generated during the casting process. These methods aim to remove various contaminants and impurities from the wastewater before it is discharged or reused. 1. Sedimentation: Sedimentation is a primary treatment method that involves allowing the wastewater to settle, allowing heavy particles and sediments to settle at the bottom of a tank. This method helps to remove larger particles and solids from the wastewater. 2. Filtration: Filtration is another common method used in metal casting wastewater treatment. It involves passing the wastewater through various filtration media such as sand filters, activated carbon filters, or membrane filters to remove suspended solids, organic matter, and other impurities. 3. Coagulation and Flocculation: Coagulation and flocculation are chemical treatment processes that involve adding chemical coagulants and flocculants to the wastewater. These chemicals help to agglomerate fine particles and colloidal suspensions, making them easier to remove through sedimentation or filtration. 4. Biological Treatment: Biological treatment methods like activated sludge process or sequencing batch reactors (SBR) are commonly used to treat wastewater in metal casting machinery. These methods utilize microbial organisms to break down organic matter and nutrients present in the wastewater, converting them into less harmful substances. 5. Chemical Precipitation: Chemical precipitation is a method used to remove heavy metals and other dissolved contaminants from the wastewater. It involves adding specific chemicals that react with the contaminants to form insoluble precipitates, which can then be separated from the treated water. 6. Advanced Oxidation Processes (AOP): AOPs involve the use of powerful oxidizing agents such as ozone, hydrogen peroxide, or ultraviolet (UV) light to degrade and remove organic pollutants from the wastewater. These processes are particularly effective in treating recalcitrant organic compounds. 7. Membrane Processes: Membrane processes, such as reverse osmosis (RO) and ultrafiltration (UF), are used to further purify the treated wastewater by removing dissolved solids, salts, and other contaminants. These processes utilize semi-permeable membranes that allow clean water to pass through while retaining the contaminants. It is important to note that the selection of wastewater treatment methods for metal casting machinery depends on factors such as the type of contaminants present, the volume of wastewater generated, the required treatment efficiency, and local regulatory requirements. Therefore, a combination of these treatment methods may be employed to achieve the desired level of wastewater quality before discharge or reuse.
- Q: What are the different types of water conservation measures used in metal casting machinery?
- There are several different types of water conservation measures that are commonly used in metal casting machinery to minimize water usage and promote sustainable practices. These measures include: 1. Closed-loop cooling systems: This system involves recycling and reusing the water used for cooling purposes in the metal casting process. The water is continuously circulated through the machinery, eliminating the need for fresh water intake and reducing overall water consumption. 2. Water filtration and treatment: Water used in metal casting machinery often contains impurities and contaminants. To conserve water, these systems incorporate filtration and treatment processes to remove impurities and extend the lifespan of the water used in the process. This reduces the need for frequent water replacement and minimizes water waste. 3. Water reclamation systems: These systems capture and collect water runoff from the metal casting process and treat it for reuse. By reusing water that would otherwise be discarded, this measure significantly reduces water consumption and promotes sustainable water usage. 4. Process optimization: Metal casting machinery can be optimized to minimize water usage by implementing efficient water distribution systems. This includes designing the equipment to distribute water evenly and precisely, reducing excessive water use and minimizing wastage. 5. Water-efficient technologies: Advancements in technology have led to the development of water-efficient machinery that uses less water while maintaining high productivity. These include low-flow water nozzles, water-saving cooling systems, and automated processes that optimize water usage. 6. Education and training: Proper education and training of personnel operating metal casting machinery are crucial in promoting water conservation practices. By raising awareness about the importance of water conservation and providing training on efficient water usage techniques, workers can actively contribute to reducing water waste in the metal casting process. Overall, these various water conservation measures used in metal casting machinery help reduce water consumption, minimize wastage, and promote sustainable practices in the industry.
- Q: What are the different types of die casting used in metal casting machinery?
- There are three main types of die casting used in metal casting machinery: 1. Hot Chamber Die Casting: This type of die casting is commonly used for metals with low melting points, such as zinc, tin, and lead. In hot chamber die casting, a pool of molten metal is held in a furnace, and a piston injects the metal into the die cavity under high pressure. This process is ideal for producing small, intricate parts with high dimensional accuracy. 2. Cold Chamber Die Casting: Unlike hot chamber die casting, cold chamber die casting is used for metals with high melting points, such as aluminum, copper, and magnesium. In this process, the molten metal is poured into a separate cold chamber, and a piston injects the metal into the die cavity. Cold chamber die casting is suitable for producing larger, more complex parts that require higher strength and durability. 3. Vacuum Die Casting: Vacuum die casting is a specialized form of die casting that involves creating a vacuum in the die cavity before injecting the molten metal. This process helps to remove any trapped air or gases, resulting in high-quality, porosity-free parts. Vacuum die casting is commonly used for casting components that require exceptional surface finishes, such as automotive parts and consumer electronics. Each type of die casting has its own advantages and limitations, and the choice of casting method depends on factors such as the type of metal being used, the size and complexity of the part, and the desired qualities of the final product.
- Q: How long do the molds last in metal casting machinery?
- The lifespan of molds in metal casting machinery can vary depending on several factors. One of the key factors is the type of mold material used. For example, sand molds are commonly used in metal casting and they have a limited lifespan. These molds can typically last for a few uses before they start deteriorating or losing their shape due to the high temperatures and pressures involved in the metal casting process. On the other hand, molds made from more durable materials like graphite or ceramic can last much longer. These molds can withstand higher temperatures and pressures, allowing them to be used for multiple casting cycles. With proper maintenance and care, these molds can last for several months or even years. The complexity of the casted part and the intricacy of the mold design also play a role in determining the lifespan of molds. More complex molds with intricate details may have a shorter lifespan due to the increased wear and tear during the casting process. Additionally, the quality of the mold and the casting process itself can impact the longevity of the molds. If the mold is poorly made or if the casting process is not properly controlled, it can result in premature mold failure. Overall, the lifespan of molds in metal casting machinery can range from a few uses to several months or years, depending on the type of mold material, complexity of the mold design, and the quality of the mold and casting process.
- Q: How do you enhance productivity and reduce human error with automated systems?
- Automated systems enhance productivity and reduce human error by performing repetitive tasks accurately and efficiently, eliminating the possibility of human mistakes. They can also streamline processes, minimize manual intervention, and provide real-time data analysis, allowing for quicker decision-making. Additionally, automated systems can enforce standardized procedures and ensure consistency, reducing variability and improving overall efficiency.
- Q: What are the considerations for cooling and solidification time in metal casting machinery?
- Metal casting machinery requires careful consideration of cooling and solidification time. The quality and integrity of the casted metal are directly affected by these factors. Defects such as shrinkage, porosity, and cracks can form if the metal cools and solidifies too quickly. Therefore, it is crucial to control the process to meet desired specifications. The type of metal being cast also influences cooling and solidification time. Metals have different cooling rates and solidification characteristics. For example, steel and cast iron, with high melting points, require longer cooling and solidification times compared to aluminum. Understanding the properties of the metal is crucial for determining appropriate cooling and solidification times. Size and thickness of the casting are additional considerations. Larger and thicker castings retain heat longer, resulting in slower cooling and solidification. Adjustments must be made to achieve uniform cooling throughout the casting. The design of the casting mold and the placement of cooling channels or vents play a significant role. Proper mold design facilitates efficient heat transfer and promotes uniform cooling, reducing solidification time. Optimizing cooling and solidification time is important for production efficiency. Minimizing time spent in this phase increases throughput, allowing for higher production volumes and shorter lead times. In conclusion, considerations for cooling and solidification time involve understanding metal properties, casting size and design, and desired production efficiency. By controlling the process, manufacturers can ensure high-quality casted metal components.
- Q: How are metal casting processes automated in machinery?
- Metal casting processes can be automated in machinery through various methods such as robotic arms, automated pouring systems, and computer numerical control (CNC) machines. These technologies enable precise and repetitive movements, reducing the need for manual labor and increasing efficiency. Robotic arms can handle the pouring and manipulation of molds, while automated pouring systems ensure accurate and controlled metal flow. CNC machines use pre-programmed instructions to shape and cut metal, eliminating the need for manual intervention. Overall, automation in metal casting machinery streamlines the production process, enhances accuracy, and improves productivity.
- Q: Can metal casting machinery produce castings with different hardness levels?
- Yes, metal casting machinery can produce castings with different hardness levels. The hardness of a casting primarily depends on the type of metal used, the cooling rate during the casting process, and any post-casting heat treatment. Different alloys have varying hardness levels, and metal casting machinery can handle a wide range of alloys such as aluminum, steel, iron, and bronze, among others. By controlling the cooling rate during solidification and implementing specific heat treatment processes, manufacturers can achieve desired hardness levels in the castings. For example, rapid cooling or quenching can result in higher hardness, while slower cooling can lead to lower hardness. Furthermore, secondary heat treatment processes like annealing, tempering, or case hardening can be employed to further adjust the hardness of the castings. Overall, metal casting machinery provides the flexibility to produce castings with different hardness levels, enabling manufacturers to meet various application requirements.
- Q: How does metal casting machinery contribute to waste reduction?
- Metal casting machinery helps reduce waste in various ways: 1. Efficient material utilization: The machinery is designed to maximize the use of materials by melting and shaping them into specific forms. This results in less raw material waste as only the necessary amount is used for each casting. 2. Recycling capabilities: Many metal casting machines have recycling systems that can melt and reuse scrap metal. This allows for the utilization of previously discarded materials, reducing the need for new raw materials and minimizing waste. 3. Precision manufacturing: Metal casting machinery enables the production of intricate metal components with high precision. This reduces the need for additional machining or finishing processes, minimizing waste generation. 4. Energy-efficient design: Modern metal casting machinery is designed to consume minimal energy, reducing the electricity or fuel required for the casting process. By minimizing energy usage, the machinery contributes to waste reduction by reducing the environmental impact associated with energy production and consumption. 5. Streamlined production: Metal casting machinery can produce finished products directly from the casting process, eliminating or reducing the need for additional manufacturing steps. This reduces the waste generated from secondary operations like machining or assembly. In summary, metal casting machinery significantly contributes to waste reduction through optimized material usage, recycling capabilities, precision manufacturing, energy efficiency, and streamlined production. Adopting these technologies enables industries to foster a more sustainable and environmentally friendly manufacturing process.
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Half-Speed Steel Roll With High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 41000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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