Graphitic Steel Roll With High Wear Resistance and High Performance
- 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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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 do you improve efficiency and quality through virtual testing and analysis?
- Various industries now rely on virtual testing and analysis as vital tools for improving efficiency and quality. Utilizing these technologies not only saves businesses time and resources but also ensures the highest standards for their products or services. Here are several ways in which virtual testing and analysis can contribute to enhancing efficiency and quality: 1. Time and cost reduction: By eliminating the need for physical prototypes, virtual testing saves both time and money. Physical prototyping can be a time-consuming and expensive process. Conducting virtual simulations allows businesses to identify potential flaws or issues early on during development, enabling timely modifications and avoiding costly redesigns or recalls. 2. Improved accuracy and precision: Virtual testing and analysis take place in a controlled environment, facilitating precise measurements and accurate data collection. This capability allows businesses to detect even the most subtle defects or inefficiencies that may not be easily identifiable through physical testing. 3. Iterative design improvements: Virtual testing enables businesses to quickly test different design iterations and evaluate their performance virtually. This iterative process fosters continuous improvements, ensuring that the final product is optimized for efficiency and quality. 4. Real-time data analysis: Virtual testing provides immediate data analysis, offering instant feedback on product performance. By monitoring and analyzing data in real-time, businesses can identify potential issues or opportunities for improvement, leading to more efficient and higher-quality products. 5. Simulation of real-world conditions: Virtual testing and analysis allow businesses to simulate various scenarios and real-world conditions, ensuring that products perform as expected in different environments. By replicating these conditions virtually, businesses can optimize product performance and durability, reducing the risk of failures in the field. 6. Integration with other technologies: Virtual testing and analysis seamlessly integrate with other emerging technologies such as artificial intelligence, machine learning, and the Internet of Things (IoT). This integration enables automated data collection, analysis, and decision-making, further enhancing efficiency and quality in the testing process. In conclusion, virtual testing and analysis provide significant benefits in terms of efficiency and quality improvement. By leveraging these technologies, businesses can reduce costs, enhance accuracy, and make iterative design improvements. Real-time data analysis, simulation of real-world conditions, and integration with other technologies further contribute to streamlining the testing process and ensuring top-notch quality products or services.
- Q: What are the different types of finishes applied to castings using metal casting machinery?
- There are several types of finishes that can be applied to castings using metal casting machinery. Some common finishes include sandblasting, shot blasting, grinding, polishing, painting, and coating. Each finish serves a different purpose, such as removing surface imperfections, enhancing the appearance, improving corrosion resistance, or providing a specific texture or color. The choice of finish depends on the desired end result and the specific requirements of the casting.
- Q: What is the accuracy level of metal casting machinery?
- The accuracy level of metal casting machinery can vary depending on several factors such as the type of machinery used, the complexity of the casting design, and the skill and experience of the operators. Generally, modern metal casting machinery is capable of achieving high levels of accuracy and precision. With advancements in technology and manufacturing processes, many metal casting machines are designed to produce castings with tight tolerances and minimal dimensional variations. Some advanced casting techniques, such as investment casting or die casting, can achieve accuracies within a few thousandths of an inch. However, it is important to note that achieving high accuracy in metal casting is not solely dependent on the machinery itself. The quality of the casting pattern or mold, the selection and preparation of the metal alloy, and the skill of the operators in controlling factors like temperature, pressure, and cooling rates also play significant roles in determining the final accuracy of the castings. Overall, metal casting machinery can achieve a high level of accuracy, but it is crucial to consider all the variables involved in the casting process to ensure the desired precision is achieved.
- Q: What are the different types of pouring devices used in metal casting machinery?
- There are several different types of pouring devices used in metal casting machinery, each designed to meet specific requirements and ensure accurate and efficient pouring of molten metal. Some of the most common pouring devices include: 1. Ladles: Ladles are one of the simplest and most commonly used pouring devices. They are typically made of steel or refractory materials and have a handle for easy maneuverability. Ladles are used to transfer molten metal from the furnace to the mold, and their capacity can vary depending on the size of the casting. 2. Tundishes: Tundishes are used in continuous casting processes to control the flow of molten metal. They are usually made of refractory material and feature a stopper or slide gate mechanism to regulate the flow rate. Tundishes ensure a continuous and controlled supply of molten metal to the mold. 3. Gating Systems: Gating systems consist of a network of channels and gates that guide the flow of molten metal from the pouring basin to the mold cavity. They help in controlling the flow rate, minimizing turbulence, and preventing the introduction of impurities. Gating systems can include sprues, runners, and gates, each playing a specific role in directing the molten metal. 4. Automatic Pouring Systems: These devices are often used in high-volume production processes where automation and precision are essential. Automatic pouring systems use sensors and actuators to control the pouring process and ensure accurate and consistent filling of the mold. They can be integrated with advanced control systems to optimize the pouring parameters. 5. Pouring Robots: Pouring robots are advanced pouring devices that are capable of performing complex pouring tasks with high precision and repeatability. These robots are equipped with articulated arms and specialized tools for pouring molten metal into molds. Pouring robots are often used in foundries with high production volumes and complex casting geometries. Overall, the choice of pouring device depends on factors such as the type and size of the casting, the required precision, and the production volume. The selection of the appropriate pouring device is crucial to achieve high-quality castings, minimize defects, and ensure a smooth and efficient casting process.
- Q: How are alloys prepared and controlled for centrifugal casting in metal casting machinery?
- To achieve centrifugal casting in metal casting machinery, several steps need to be taken to prepare and control alloys. The first step involves selecting the appropriate alloy for the desired application. Factors such as mechanical properties, corrosion resistance, and thermal conductivity are considered when choosing the alloy composition. Once the alloy is selected, it must be prepared for casting. This is done by melting the constituent metals in a furnace at temperatures higher than their individual melting points. Careful control of the melting process ensures a homogeneous alloy free from impurities. To eliminate any trapped gases or impurities in the molten alloy, a degassing process is often used. This can be done by using degassing agents or applying a vacuum to the molten metal. Degassing improves the quality and integrity of the final casting. After the alloy is prepared and degassed, it is poured into the centrifugal casting machine. The machine consists of a spinning mold or die made of durable materials. The molten alloy is poured into the mold, and the spinning motion generates high centrifugal force, distributing the molten metal evenly throughout the mold cavity. Controlling the centrifugal force during casting is crucial to achieve a uniform distribution of molten metal and prevent defects. The speed and duration of the centrifugal casting process are carefully controlled based on the specific requirements of the casting and the alloy used. Once the centrifugal casting process is complete, the mold is allowed to cool, and the molten metal solidifies. The cooling rate is controlled to obtain the desired microstructure and mechanical properties of the cast alloy. This can be done by controlling the cooling environment or using cooling media like water or air. Depending on the specific alloy and application, the casting may undergo post-casting treatments. These treatments can include heat treatment, machining, polishing, or surface finishing to achieve the desired final product. Overall, the preparation and control of alloys for centrifugal casting in metal casting machinery involve careful alloy selection, preparation and degassing, controlled pouring and centrifugal force, and post-casting treatments. These steps ensure the production of high-quality castings with the desired mechanical properties and dimensional accuracy.
- Q: What is the role of simulation software in metal casting machinery?
- Simulation software plays a crucial role in metal casting machinery by providing engineers and manufacturers with a virtual platform to analyze and optimize various aspects of the casting process before it is implemented in real-world production. First and foremost, simulation software allows for the visualization of the entire casting process, from the filling of the mold with molten metal to the solidification and cooling of the metal. This enables engineers to identify any potential defects or issues that may arise during the actual casting process, such as shrinkage, porosity, or distortion. Furthermore, simulation software can simulate the flow of the molten metal within the mold, allowing engineers to optimize the design of the gating system, sprues, and vents to ensure a uniform and efficient filling of the mold. This not only helps to minimize the occurrence of defects but also enhances the overall quality of the final cast product. In addition to assessing the filling process, simulation software also enables engineers to analyze the solidification and cooling of the metal. By accurately predicting the solidification time and temperature distribution, manufacturers can determine the optimal cycle time and cooling rate, leading to improved efficiency and reduced production costs. Moreover, simulation software allows engineers to experiment with different materials, alloys, and casting parameters without the need for costly physical prototypes. This flexibility facilitates the exploration of various design alternatives and process parameters, ultimately leading to the development of optimized casting processes and improved product quality. Overall, simulation software is an invaluable tool in the metal casting industry as it helps to minimize the time and cost associated with trial and error methods. By providing a virtual platform for analysis and optimization, simulation software enables engineers and manufacturers to enhance the efficiency, quality, and profitability of their metal casting operations.
- Q: What are the limitations of metal casting machinery?
- Despite its efficiency and widespread use in various industries, metal casting machinery does present certain limitations that should be taken into account. One limitation pertains to the machinery's inability to produce intricate shapes with complex details. The casting process relies on molds, which can be challenging to create for intricate shapes. Consequently, metal casting machinery is not well-suited for manufacturing highly detailed or intricately designed parts. Another limitation concerns the size and weight restrictions of the machinery. Metal casting machinery is typically designed to accommodate specific sizes and weights of parts, making it inadequate for larger or heavier components. This poses a significant constraint for industries that require the production of large metal parts. Additionally, metal casting machinery is limited in terms of the metals it can work with. Certain metals, such as high melting point alloys or highly reactive metals, may not be suitable for the casting process. This restricts the range of materials that can be used in metal casting, thereby limiting the machinery's versatility. Furthermore, the metal casting process can be time-consuming. It involves multiple steps, including mold preparation, metal melting and pouring, cooling and solidification, and post-processing. Consequently, production lead times are extended, which may not be ideal for industries that require quick turnaround times. Finally, the proper setup and operation of metal casting machinery require skilled operators. The complexity of the machinery necessitates knowledge and expertise to ensure effective performance. This limitation can be challenging for industries that lack access to skilled operators or require large-scale production. In conclusion, while metal casting machinery is an invaluable tool in numerous industries, it does have limitations to consider. These include challenges in producing complex shapes, restrictions on size and weight, limitations in working with certain metals, time-consuming processes, and the need for skilled operators. Understanding and considering these limitations is crucial when determining whether metal casting machinery is the most suitable manufacturing method for a particular application.
- Q: What are the common automation options available for metal casting machinery?
- Metal casting machinery offers multiple automation options that boost efficiency and productivity in the casting process. 1. Integration of robotic arms automates tasks like handling materials, pouring molten metal, and removing finished castings. These arms can be programmed to perform precise and consistent tasks, minimizing the need for manual labor. 2. Automated pouring systems utilize sensors and actuators to control the pouring of molten metal into molds. These systems guarantee accurate and consistent pouring, eliminating human error and reducing the risk of defects in the final castings. 3. Automation can handle mold handling, including loading and unloading molds onto the casting line. This eradicates the need for manual handling and improves the overall speed and efficiency of the casting process. 4. Pattern making automation utilizes Computer Numerical Control (CNC) machines to create precise patterns from different materials. This eliminates the need for manual pattern making and reduces lead time. 5. Quality control automation involves the use of sensors, cameras, and software systems to inspect and measure castings for defects, dimensional accuracy, and surface finish. Automated quality control ensures consistency and reliability in the inspection process. 6. Automation technologies enable real-time data collection and analysis during the casting process. This data helps monitor machine performance, identify potential issues, and optimize process parameters to enhance efficiency and product quality. These automation options not only improve productivity but also enhance worker safety by minimizing exposure to hazardous environments. Implementing automation in metal casting machinery can result in increased production rates, improved product quality, and long-term cost reduction.
- Q: What are the ergonomic considerations for operating metal casting machinery?
- When it comes to the operation of metal casting machinery, it is crucial to consider several important ergonomic factors. These considerations are essential for the safety, comfort, and overall well-being of the operators. First and foremost, the machinery itself should be designed with ergonomics in mind. This means that the controls, buttons, and switches should be easily accessible and at the right height. Operators should not have to strain or stretch their bodies to reach these controls, as it can lead to musculoskeletal disorders and injuries over time. Additionally, the layout of the machinery should allow operators to move freely without any obstacles or hazards in their way. Another important consideration is the weight and handling of the materials used in the metal casting process. Operators may need to lift, carry, or manipulate heavy metal components, which can strain their bodies if not done correctly. It is crucial to provide appropriate lifting aids, such as cranes or hoists, to minimize the risk of back injuries or strains. Furthermore, the machinery should be designed to reduce excessive noise and vibrations. Prolonged exposure to high noise levels can cause hearing loss, while excessive vibrations can lead to discomfort, fatigue, and long-term damage to the musculoskeletal system. Implementing noise reduction measures, like soundproof enclosures or ear protection, and using materials that dampen vibrations can help mitigate these risks. Proper lighting is also a crucial consideration. Adequate lighting is necessary for operators to accurately see and inspect the metal components. Insufficient or poorly positioned lighting can strain the eyes, reduce visibility, and increase the risk of errors or accidents. Therefore, it is important to provide appropriate lighting conditions, such as adjustable and directed task lighting, to ensure optimal visibility and reduce eye fatigue. Lastly, training and education are vital in promoting ergonomic practices among operators. They should receive training on proper lifting and handling techniques and be educated about the potential risks and hazards associated with their work. Encouraging regular breaks and job rotation can also help prevent prolonged exposure to repetitive tasks and reduce the risk of fatigue or overexertion. In conclusion, operating metal casting machinery requires careful attention to ergonomic considerations to ensure the safety, comfort, and well-being of the operators. By optimizing the machinery design, providing adequate lifting aids, minimizing noise and vibrations, ensuring proper lighting conditions, and offering comprehensive training, operators can perform their tasks more efficiently and with reduced risk of injury or discomfort.
- Q: What are the process control measures for metal casting machinery?
- The process control measures for metal casting machinery include monitoring and controlling factors such as temperature, pressure, and flow rate during the casting process. Additionally, quality control measures like inspecting the mold, ensuring proper gating and riser design, and maintaining the correct alloy composition are essential. Continuous monitoring and adjustments are made to ensure consistent and accurate casting results.
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Graphitic Steel Roll With High Wear Resistance and High Performance
- 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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