Section Steel Roll From China With High Quality
- 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:What are the different types of patterns used with metal casting machinery?
- There are several types of patterns used with metal casting machinery, including solid patterns, split patterns, match plate patterns, and cope and drag patterns. Solid patterns are made from a single piece of material and are used for simple geometries. Split patterns consist of two halves that are joined together and are used for more complex shapes. Match plate patterns are mounted on a plate with the cope and drag halves on either side, allowing for multiple molds to be made simultaneously. Cope and drag patterns are used for larger and more intricate castings, with the cope representing the top half and the drag representing the bottom half of the mold.
- Q:What is the role of shakeout equipment in metal casting machinery?
- The role of shakeout equipment in metal casting machinery is to remove the mold material from the castings after they have solidified. During the casting process, a mold is typically created by packing sand or other materials around a pattern, and then molten metal is poured into the mold. After the metal has cooled and solidified, the shakeout equipment is used to break up and remove the mold material, leaving behind the finished casting. Shakeout equipment typically consists of vibrating screens or tumbling drums that help to separate the castings from the mold material. The vibrations or tumbling action helps to loosen and dislodge the sand or other mold materials, allowing them to be easily separated and removed. This process is important in metal casting as it ensures that the final castings are free from any residual mold material, which could affect the quality and integrity of the finished product. In addition to removing the mold material, shakeout equipment also helps to cool the castings more rapidly, which can be important for efficient production processes. By quickly removing the mold material, the castings can cool faster, reducing cycle times and increasing overall productivity. Overall, the role of shakeout equipment in metal casting machinery is crucial for the efficient and effective production of high-quality castings. It helps to remove the mold material, ensuring the final castings are free from any residual debris, and allows for quicker cooling, leading to increased productivity.
- Q:How accurate is metal casting machinery?
- Metal casting machinery is renowned for its exceptional accuracy and precision. Thanks to technological advancements and improved manufacturing techniques, modern metal casting machines can now achieve incredibly tight tolerances and consistently produce intricate and complex metal parts. Several factors influence the accuracy of metal casting machinery. Firstly, the design and construction of the machinery are crucial. High-quality machines are engineered to minimize vibrations, maintain stability, and ensure precise movements throughout the casting process. Secondly, the integration of control systems and automation in metal casting machinery contributes to its accuracy. These systems meticulously monitor and regulate various parameters like temperature, pressure, and speed, guaranteeing that the casting process is executed with utmost precision and repeatability. Moreover, the skill and expertise of the operators have a significant impact on the accuracy of the metal casting machinery. Well-trained operators who possess a deep understanding of the process and can make necessary adjustments when required can greatly enhance the machinery's accuracy. However, despite its remarkable accuracy, metal casting machinery does have its limitations. Factors such as the type of metal being cast, the complexity of the part, and the size of the casting can all affect the accuracy of the final product. Additionally, external factors like environmental conditions, variations in raw materials, and wear and tear of the machinery over time can also have an impact on its accuracy. In conclusion, metal casting machinery is widely recognized for its accuracy, particularly when equipped with advanced control systems and operated by skilled professionals. However, it is crucial to carefully consider the specific requirements of each casting project and evaluate the capabilities and limitations of the machinery before drawing any conclusions regarding its accuracy.
- Q:How is the molten metal transferred and poured into the mold in metal casting machinery?
- In metal casting machinery, molten metal is transferred and poured into the mold using various methods depending on the specific casting process. The most common techniques include: 1. Gravity Pouring: This method involves simply tilting or pouring the molten metal from a ladle or crucible into the mold using the force of gravity. It is suitable for smaller castings and simpler molds where precision is not critical. 2. Ladle Pouring: In this method, the molten metal is transferred into a ladle with a handle and then poured into the mold. The ladle provides better control over the pouring process and allows for more precise placement of the metal into the mold. 3. Bottom Pouring: This technique involves using a crucible or ladle with a stopper at the bottom. The stopper is opened, allowing the molten metal to flow through a sprue and into the mold. Bottom pouring is commonly used in large-scale casting operations as it provides better control over the metal flow rate and minimizes turbulence. 4. Vacuum Casting: In vacuum casting, the mold is placed in a vacuum chamber, and the molten metal is poured into the mold while the chamber is under vacuum. This technique helps to eliminate any trapped air bubbles or impurities in the metal, resulting in higher-quality castings. 5. Centrifugal Casting: This method utilizes centrifugal force to transfer molten metal into the mold. The mold is rotated rapidly, and the molten metal is poured into a central cavity. The centrifugal force distributes the metal evenly, ensuring complete filling of the mold. Overall, the selection of the pouring method depends on factors such as the size and complexity of the casting, the desired level of precision, and the specific requirements of the casting process.
- Q:What are the different types of metallurgical property inspection methods used in metal casting machinery?
- There are various types of metallurgical property inspection methods used in metal casting machinery. Some common ones include visual inspection, dimensional inspection, non-destructive testing (such as ultrasonic testing, radiographic testing, magnetic particle testing), chemical analysis, mechanical testing (such as tensile testing, hardness testing), and microstructural analysis (such as metallography, scanning electron microscopy). These methods help ensure the quality and integrity of metal castings by examining their physical, mechanical, and chemical properties.
- Q:How do you ensure compliance with industry guidelines and best practices in metal casting processes?
- To guarantee adherence to industry guidelines and best practices in metal casting processes, there are several crucial measures that can be employed: 1. Stay abreast of industry standards: Consistently review and keep up-to-date with the most recent guidelines, regulations, and best practices published by relevant industry organizations like the American Foundry Society (AFS), the International Organization for Standardization (ISO), and the Occupational Safety and Health Administration (OSHA). This will help ensure that your metal casting processes align with the most current standards. 2. Establish a robust quality management system: Develop a quality management system (QMS) that outlines the necessary procedures, controls, and documentation for compliance. This system should encompass clear guidelines for every stage of the metal casting process, from material selection and preparation to mold design, casting, finishing, and inspection. Regular audits and reviews of the QMS will aid in identifying any gaps or areas for improvement. 3. Provide training and education for employees: Conduct regular training sessions to educate employees about industry guidelines and best practices. This should include specific training on safety protocols, proper equipment usage, and quality control measures. By ensuring that all employees are well-informed and competent in their roles, you can minimize the risk of non-compliance. 4. Perform internal audits and inspections: Regularly carry out internal audits and inspections to evaluate compliance with industry guidelines and identify areas for improvement. This can involve reviewing documentation, inspecting equipment, and verifying that processes are being followed correctly. Any deviations or non-compliance discovered during these audits should be promptly addressed and corrective actions taken. 5. Foster collaboration with suppliers and customers: Maintain open communication with your suppliers and customers to ensure that their processes align with industry guidelines as well. This can involve sharing best practices, conducting joint audits, and encouraging continuous improvement across the supply chain. 6. Embrace continuous improvement: Instill a culture of continuous improvement within your organization. Encourage employees to propose and implement process enhancements and innovations, while also staying informed about emerging technologies and techniques within the industry. Regularly review and update your processes to reflect the latest advancements and best practices. By adhering to these steps, you can guarantee compliance with industry guidelines and best practices in metal casting processes, all while nurturing a culture of quality and safety within your organization.
- Q:Can metal casting machinery be used for producing castings with high strength?
- Castings with high strength can indeed be produced using metal casting machinery. Metal casting is a widely utilized and versatile manufacturing process for creating various components and products. It is possible to achieve castings with high strength by carefully selecting the appropriate metal type and employing advanced casting techniques. Several factors influence the strength of a casting, including the choice of metal alloy, the temperature and pressure applied during the casting process, and the heat treatment performed after casting. Castings with excellent mechanical properties can be achieved by utilizing high-strength metal alloys like steel, aluminum, or titanium. Moreover, modern metal casting machinery offers advanced features and capabilities that enhance the strength of castings. For example, investment casting and centrifugal casting processes allow for precise control over the cooling rate, leading to a refined microstructure and improved strength. Additionally, the use of computer-aided design (CAD) and simulation tools during the casting process helps optimize the design and predict the strength of the final casting. However, it is crucial to acknowledge that while metal casting machinery contributes to producing high-strength castings, other factors such as component design, the presence of defects, and quality control processes also play a significant role. Therefore, a comprehensive approach that includes proper material selection, precise process control, and thorough quality assurance is necessary to ensure the production of castings with high strength.
- Q:How is the casting inspected for weight and density in metal casting machinery?
- In metal casting machinery, the inspection of casting for weight and density is a crucial step to ensure the quality and integrity of the final product. There are several methods commonly employed to inspect the casting for weight and density. One of the primary methods used is the visual inspection. This involves a thorough examination of the casting by trained inspectors to identify any visible defects, such as porosity, inclusions, or cracks. Visual inspection can provide a general indication of the casting's density and weight, but it is not a precise measurement technique. Another commonly used method is the dimensional inspection, where the dimensions and weight of the casting are measured and compared against the specified requirements. This can be done using various measurement tools, such as calipers, micrometers, or weighing scales. Dimensional inspection helps determine if the casting meets the desired weight and size specifications. Furthermore, non-destructive testing (NDT) techniques are often employed to inspect the casting's internal structure and identify any defects that may affect its weight and density. NDT methods include radiographic testing (X-ray or gamma-ray), ultrasound testing, and magnetic particle inspection. These techniques allow inspectors to detect any internal defects or inconsistencies that may compromise the casting's weight and density. In some cases, a destructive testing method called a density test can be performed. This involves cutting a small sample from the casting and measuring its weight and volume. By calculating the density, inspectors can determine if the casting meets the required specifications. Overall, the inspection of casting for weight and density in metal casting machinery involves a combination of visual, dimensional, and non-destructive testing methods. These inspections are essential to ensure that the castings produced meet the desired weight and density requirements, ensuring the quality and integrity of the final product.
- Q:How is the shell mold removed from the casting in metal casting machinery?
- In metal casting machinery, the shell mold is removed from the casting through a process known as shakeout. Shakeout involves the use of mechanical or vibratory equipment to break apart and remove the shell mold from the solidified metal casting. First, the casting is placed in a shakeout machine, which can be a vibrating conveyor, a rotary drum, or a shakeout table. The machine is designed to agitate and shake the casting, causing the shell mold to crack and disintegrate. As the machine shakes the casting, the broken shell mold particles are loosened and separated from the metal casting. The vibrations help to break the bond between the casting and the shell mold, allowing the mold to be easily removed. Once the shell mold is broken, it is typically collected and disposed of, while the metal casting is left behind. Depending on the size and complexity of the casting, additional cleaning or finishing processes may be required to remove any remaining shell mold particles or to achieve the desired surface finish. Overall, the shell mold is removed from the casting in metal casting machinery through the shakeout process, which involves shaking or vibrating the casting to break apart and separate the shell mold particles from the solidified metal.
- Q:Can metal casting machinery be used for investment casting of copper alloys?
- Yes, metal casting machinery can be used for investment casting of copper alloys. Investment casting, also known as lost-wax casting, is a process that involves creating a wax pattern, coating it with a ceramic shell, and then melting away the wax to create a hollow mold. This mold is then filled with molten metal to create the final product. Metal casting machinery is versatile and can be adapted to cast a wide range of metal alloys, including copper alloys. The process for investment casting of copper alloys is similar to that of other metals, with some minor adjustments to account for the unique characteristics of copper. One important consideration when casting copper alloys is the higher melting temperature compared to other metals. Copper alloys typically have melting points ranging from 1100°C to 1200°C (2012°F to 2192°F), which means that the machinery used for investment casting should be capable of reaching and maintaining these temperatures. Another factor to consider is the reactivity of copper. Copper alloys can react with oxygen in the air, leading to the formation of oxides on the surface of the castings. To prevent this, the investment casting process may include the use of protective atmospheres or fluxes to minimize oxidation during melting and pouring. Overall, with the right equipment and process adjustments, metal casting machinery can successfully be used for investment casting of copper alloys. This allows for the production of complex and intricate copper alloy parts with high dimensional accuracy and surface finish, making it a viable option for various industries, including automotive, aerospace, and electrical.
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Section Steel Roll From China With High Quality
- 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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