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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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 surface coating and finishing processes used with castings made with metal casting machinery?
- There are several different types of surface coating and finishing processes used with castings made with metal casting machinery. These processes are designed to improve the appearance, durability, and functionality of the castings. Some of the common surface coating and finishing processes used in metal casting include: 1. Sandblasting: This process involves using high-pressure air or water to blast sand or other abrasive materials onto the surface of the casting. Sandblasting is used to remove any impurities, such as scale, rust, or old paint, from the surface of the casting, resulting in a clean and smooth surface. 2. Powder coating: Powder coating is a dry finishing process in which a fine powder is applied electrostatically to the surface of the casting. The coated casting is then heated, causing the powder to melt and form a durable and protective coating. Powder coating provides excellent corrosion resistance and can be applied in a wide range of colors and finishes. 3. Painting: Painting is a common surface coating process used with castings. It involves applying a liquid paint to the surface of the casting using brushes, rollers, or sprayers. Painting not only enhances the appearance of the casting but also provides protection against corrosion and environmental factors. 4. Plating: Plating is a process in which a thin layer of metal is electrochemically deposited onto the surface of the casting. This can be used to provide a decorative finish or to improve the casting's resistance to corrosion or wear. Common plating materials include chrome, nickel, and zinc. 5. Anodizing: Anodizing is an electrochemical process used primarily on aluminum castings. It involves creating a controlled oxidation layer on the surface of the casting, which can be dyed or sealed to provide enhanced corrosion resistance and improved appearance. 6. Polishing: Polishing is a mechanical finishing process that involves rubbing the surface of the casting with an abrasive material to remove any imperfections or roughness. This process results in a smooth and shiny surface finish. 7. Galvanizing: Galvanizing is a coating process in which a layer of zinc is applied to the surface of the casting through a hot-dip or electroplating process. Galvanizing provides excellent corrosion resistance and is commonly used in outdoor applications. These are just a few examples of the different types of surface coating and finishing processes used with castings made with metal casting machinery. The specific process chosen will depend on the desired appearance, functionality, and performance requirements of the casting.
- Q: How does metal casting machinery handle the removal and extraction of gases from the mold?
- The removal and extraction of gases from the mold in metal casting machinery are accomplished through various methods and components specifically designed for this purpose. An important component is the venting system, which allows for effective escape of gases from the mold cavity. The venting system comprises strategically placed channels or vents throughout the mold. These vents are typically narrow and elongated, enabling the gases to escape while preventing the molten metal from flowing out. Proper placement and distribution of these vents are crucial to ensure efficient gas removal while maintaining the mold's integrity. Another crucial aspect of gas removal in metal casting machinery involves the use of vacuum systems. Vacuum-assisted casting processes utilize a vacuum chamber or system to extract gases from the mold cavity. This method creates a pressure difference that draws the gases out through the vents and into the vacuum system. The vacuum system can be directly connected to the mold or integrated into the casting machinery. Gas permeable materials or coatings are also utilized in some cases. These materials allow gas to pass through while still preventing the molten metal from leaking out. Gas permeable materials can be applied as coatings on the mold or incorporated into the mold itself to facilitate gas removal. Furthermore, metal casting machinery employs various techniques to control gas flow during the casting process. For example, the pouring system can be designed to direct the flow of molten metal in a way that promotes gas expulsion. The design of the mold cavity and gating system also plays a role in minimizing gas entrapment and facilitating gas removal. In conclusion, metal casting machinery utilizes venting systems, vacuum systems, gas permeable materials, and process control techniques to handle gas removal from the mold. These methods and components ensure high-quality castings that are free from defects caused by trapped gases.
- Q: What are the different types of waxes used in investment casting with metal casting machinery?
- There are several types of waxes commonly used in investment casting with metal casting machinery. These include pattern waxes, which are used to create the initial pattern or replica of the desired metal part. These pattern waxes can be made of different materials such as synthetic waxes, beeswax, or a combination of both. Another type is the sprue wax, which is used to create the channels or gates that allow molten metal to flow into the mold. Additionally, there are also soluble waxes used for creating hollow parts or complex shapes that require internal cores. These soluble waxes can be dissolved after the metal casting process, leaving behind the desired shape. Overall, the choice of wax depends on factors such as the complexity of the part, desired surface finish, and the specific requirements of the metal casting process.
- Q: Can metal casting machinery be used for casting large structural components?
- Yes, metal casting machinery can be used for casting large structural components. Metal casting machinery, such as foundry equipment, is designed to handle different sizes and weights of metal components. For casting large structural components, specialized equipment like large-scale molds, furnaces, and pouring systems are utilized. Additionally, advanced casting techniques like investment casting or sand casting are often employed to ensure the accuracy and integrity of the final product. With the right machinery and techniques, metal casting can effectively produce large structural components for a variety of industries, including construction, aerospace, and automotive.
- Q: How is sand prepared for metal casting machinery?
- Sand is prepared for metal casting machinery through a process known as sand molding. This involves mixing sand with other materials such as clay and water to create a mold that can withstand the high temperatures and pressures involved in metal casting. The sand is then shaped and compacted around a pattern, which is later removed to create a cavity for pouring molten metal.
- Q: Are there any regulations or certifications required for operating metal casting machinery?
- Yes, there are various regulations and certifications required for operating metal casting machinery. These regulations ensure the safety of operators and compliance with industry standards. Additionally, certifications such as ISO 9001 or AS9100 may be required to demonstrate quality management systems and adherence to specific quality standards.
- Q: What are the different types of ergonomic improvements implemented in metal casting machinery?
- Metal casting machinery has implemented a range of ergonomic improvements to prioritize the safety and comfort of workers. One prevalent enhancement is the integration of adjustable workstation height, enabling employees to customize their work surface to suit their individual needs. This adjustment reduces strain on the back, neck, and shoulders. Adjustable footrests are also commonly included to provide additional support and minimize leg and foot discomfort. Another significant ergonomic improvement involves the use of ergonomic controls and interfaces. This entails placing controls within easy reach and at an appropriate height, eliminating the need for excessive stretching or reaching. Controls are often designed with large, easy-to-read labels and intuitive interfaces to minimize the risk of user error and enhance overall efficiency. Additionally, ergonomic seating plays a crucial role in metal casting machinery. Ergonomic chairs are designed to offer proper support to the back, hips, and legs, decreasing the likelihood of musculoskeletal disorders and increasing worker comfort. These chairs frequently feature adjustable aspects such as backrest height, seat depth, and lumbar support to accommodate various body types and preferences. Moreover, ergonomic improvements encompass the utilization of anti-fatigue mats and flooring. These mats provide cushioning and support to workers who are required to stand for extended periods, reducing strain on their feet, legs, and lower back. Anti-fatigue flooring is designed to absorb shock and provide a more comfortable walking surface. Finally, proper lighting is an essential ergonomic improvement in metal casting machinery. Sufficient lighting is critical in minimizing eye strain and improving visibility, enabling workers to perform their tasks more effectively and reducing the risk of errors or accidents. In conclusion, the range of ergonomic improvements implemented in metal casting machinery aims to enhance the safety, comfort, and productivity of workers. These enhancements reduce the likelihood of work-related injuries and create a more user-friendly and efficient work environment.
- Q: What are the different types of inspection methods used with metal casting machinery?
- There are several different types of inspection methods that are commonly used with metal casting machinery. These methods are employed to ensure the quality and integrity of the castings produced. Some of the most common inspection methods include: 1. Visual Inspection: This is the most basic inspection method where the castings are visually examined for any surface defects such as cracks, pits, or voids. It is typically the first step in the inspection process and helps identify any obvious issues. 2. Dimensional Inspection: This method involves measuring the dimensions of the casting to ensure it meets the required specifications. This can be done using various tools such as calipers, micrometers, or coordinate measuring machines (CMMs). 3. X-ray Inspection: X-ray inspection is a non-destructive testing method used to detect internal defects in castings. It involves passing X-ray beams through the casting, which are then captured on a film or digital detector. This method is particularly useful for identifying defects such as porosity or inclusions that are not visible to the naked eye. 4. Ultrasonic Inspection: Ultrasonic inspection is another non-destructive testing method that uses high-frequency sound waves to detect internal defects. A transducer is used to send and receive ultrasonic waves through the casting, and any abnormalities or changes in the wave pattern can indicate the presence of defects. 5. Magnetic Particle Inspection: This method is used to detect surface and near-surface defects in ferromagnetic materials. A magnetic field is applied to the casting, and iron particles are then applied to the surface. Any defects in the casting will cause a disruption in the magnetic field, attracting the iron particles and making the defects visible. 6. Dye Penetrant Inspection: This method is used to detect surface defects such as cracks or porosity. A liquid dye penetrant is applied to the surface of the casting, which seeps into any surface cracks or defects. After a specified time, the excess dye is removed, and a developer is applied to make the defects visible. 7. Pressure Testing: Pressure testing involves subjecting the casting to a specified pressure to check for leaks or defects. The casting is sealed, and either air or water pressure is applied. Any leaks or defects will be identified by the presence of bubbles or a drop in pressure. These inspection methods are used in combination or individually depending on the specific requirements and complexity of the casting. By employing these inspection methods, manufacturers can ensure the quality of their metal castings and identify any defects or issues that may affect their performance or durability.
- Q: How is the excess material removed from the castings produced by metal casting machinery?
- The excess material from castings produced by metal casting machinery is typically removed through a process called finishing or post-processing. This involves various techniques such as grinding, cutting, or machining to remove any unwanted material or imperfections from the castings.
- Q: How is data analytics used in improving metal casting quality and efficiency in machinery?
- Metal casting quality and machinery efficiency can be greatly improved through the use of data analytics. Manufacturers can utilize advanced analytics tools and techniques to extract valuable insights from the vast amount of data generated during the metal casting process. To monitor and control the casting process, manufacturers can employ sensors and IoT devices that collect real-time data on parameters such as temperature, pressure, and flow rates. This data can then be analyzed to identify patterns and anomalies, allowing for timely adjustments and process optimization. For example, monitoring temperature fluctuations ensures proper heating and cooling of the metal, minimizing the risk of defects such as porosity or shrinkage. Predicting and preventing casting defects is another area where data analytics proves beneficial. By analyzing historical data and utilizing machine learning algorithms, manufacturers can identify patterns that precede specific defects. This enables proactive measures to be taken, preventing the occurrence of these defects in future castings. Adjusting parameters based on data analysis can significantly reduce the likelihood of defects. Data analytics also plays a critical role in quality control. By analyzing data from inspections, tests, and customer feedback, manufacturers can detect trends and patterns related to quality issues. This allows for corrective actions to be taken, such as modifying the casting process or improving the quality of raw materials. Additionally, data analytics can help identify root causes of quality problems, enabling targeted solutions and a reduction in defect occurrence. Furthermore, data analytics enhances the overall efficiency of metal casting machinery. By analyzing data on equipment performance and maintenance records, manufacturers can identify optimization opportunities and implement predictive maintenance strategies. Historical data on machine downtime and failure rates can be utilized to schedule maintenance activities, minimizing disruptions to production. This results in increased uptime, reduced maintenance costs, and improved overall equipment effectiveness. In conclusion, data analytics is a powerful tool for improving metal casting quality and machinery efficiency. By leveraging advanced analytics techniques, manufacturers can extract valuable insights from data, optimize the casting process, prevent defects, enhance quality control, and improve overall equipment efficiency. Ultimately, this leads to higher quality castings, reduced costs, and increased customer satisfaction.
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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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