Mill Rolls High Speed Steel Roller With Good 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.
Professionals & Comprehensive Inspection
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 the metal casting machinery process is managed through various methods to ensure proper disposal and minimize environmental impact. Here are some common management practices: 1. Recycling: Metal casting generates a significant amount of scrap metal, including sprues, gates, and excess castings. These materials are often recycled by melting them down and reusing them in future casting processes. Recycling helps conserve natural resources and reduces the need for mining and extraction. 2. Reclamation: Sand is commonly used as a molding material in metal casting. After each casting process, the sand becomes contaminated with metal fragments, binders, and other impurities. Sand reclamation systems are employed to separate and remove these contaminants, allowing the sand to be reused in subsequent casting operations. This reduces the need for new sand and minimizes waste generation. 3. Waste treatment: Some waste materials, such as spent refractory materials and used foundry sand, may require treatment before disposal. Specific treatment methods depend on the nature of the waste and local regulations. For example, spent refractories can be crushed and used as a raw material in other industries, while used foundry sand can be treated and used for construction purposes. 4. Proper storage and disposal: Hazardous waste generated during the metal casting machinery process, such as waste oils, solvents, and chemicals, must be stored and disposed of according to local regulations. This typically involves labeling, containment, and safe transport to approved facilities for treatment or disposal. 5. Pollution control measures: Metal casting processes can release various pollutants into the environment, including particulate matter, volatile organic compounds (VOCs), and greenhouse gases. To mitigate these emissions, pollution control measures are implemented, such as the use of exhaust systems, scrubbers, and filtration devices. These technologies help capture and remove pollutants before they are released into the atmosphere. Overall, the management of waste material generated during metal casting machinery process involves a combination of recycling, reclamation, treatment, and proper disposal practices. These measures aim to minimize waste generation, conserve resources, and protect the environment.
- Q: How can casting defects be identified and corrected in metal casting machinery?
- Casting defects in metal casting machinery can be identified and corrected through various methods. Here are some ways to address and rectify these issues: 1. Visual Inspection: Conduct a visual examination of the castings to identify any visible defects such as cracks, surface irregularities, or porosity. Defective castings can be segregated and corrective measures can be implemented accordingly. 2. Non-Destructive Testing (NDT): Utilize NDT techniques like X-ray, ultrasonic testing, magnetic particle inspection, or dye penetrant inspection to detect internal defects that may not be visible to the naked eye. NDT helps in identifying issues such as voids, inclusions, or improper filling of the mold. 3. Process Monitoring: Regularly monitor the casting process parameters such as temperature, pressure, and flow rate. Deviations from the desired conditions can lead to defects. By closely monitoring these parameters, any variations can be identified and corrected promptly. 4. Mold Design and Preparation: Ensure that the mold design is appropriate for the casting process. Any issues with the mold, such as poor venting, improper gating, or mismatched cores, can result in defects. Proper mold preparation techniques like cleaning, coating, and preheating can also help prevent defects. 5. Material Quality Control: Conduct stringent quality checks on the raw materials used in the casting process. Ensure that the metal alloy composition, purity, and grain size meet the required specifications. Poor quality materials can lead to defects like shrinkage, hot tearing, or metallurgical issues. 6. Process Optimization: Analyze the casting process parameters and optimize them for better quality and productivity. This may involve adjusting pouring temperature, altering cooling rates, modifying pouring techniques, or implementing better gating systems. Process optimization helps minimize defects and improve overall casting quality. 7. Training and Skill Development: Provide proper training to the personnel involved in the casting process. This includes operators, mold makers, and quality control inspectors. Enhancing their knowledge and skills can help them identify defects early on and take corrective actions promptly. 8. Root Cause Analysis: When defects occur, conduct a thorough investigation to determine the root causes. Analyze the data collected from inspections, process monitoring, and quality control checks to identify the underlying issues. Once the root causes are identified, corrective actions can be implemented to prevent future occurrences. By implementing these measures, casting defects in metal casting machinery can be identified and corrected effectively, leading to improved casting quality and productivity.
- Q: What are the health risks associated with metal casting machinery?
- There are several health risks associated with metal casting machinery. One major risk is exposure to hazardous substances, such as metal fumes, dust, and chemicals used in the casting process. These substances can be inhaled or come into contact with the skin, leading to various health issues. Inhalation of metal fumes can cause respiratory problems, including lung irritation, shortness of breath, and coughing. Prolonged exposure to certain metals, such as lead, cadmium, or manganese, can result in serious conditions like metal fume fever, lung damage, or even neurological disorders. Dust generated during the casting process can also pose health risks. Fine particulate matter can irritate the respiratory system and lead to conditions like bronchitis, asthma, or chronic obstructive pulmonary disease (COPD). Additionally, some metal dust can be toxic if ingested or absorbed through the skin. Chemicals used in metal casting, such as binders, solvents, or coatings, may contain hazardous substances that can harm human health. These chemicals can cause skin irritation, dermatitis, or allergic reactions upon direct contact. Prolonged exposure or improper handling can also result in systemic effects, including damage to organs or the nervous system. Furthermore, metal casting machinery often produces high levels of noise, which can lead to hearing loss or other auditory problems if proper hearing protection is not used. Vibrations generated by the machinery can also cause musculoskeletal disorders like hand-arm vibration syndrome or carpal tunnel syndrome. To mitigate these health risks, it is crucial to implement appropriate safety measures and protocols. This includes using personal protective equipment, such as respiratory masks, gloves, and protective clothing, to minimize exposure to hazardous substances. Adequate ventilation systems should be in place to control the release of fumes and dust. Regular monitoring of air quality and thorough cleaning of the workplace are also essential. Additionally, training employees on safe handling practices, proper use of machinery, and the importance of maintaining good personal hygiene can help minimize health risks associated with metal casting machinery.
- Q: Can metal casting machinery produce complex shapes and intricate details?
- Yes, metal casting machinery is capable of producing complex shapes and intricate details. The process involves pouring molten metal into a mold, which can be designed to replicate even the most intricate and complex designs. With the advancements in technology and precision casting techniques, metal casting machinery can now achieve high levels of detail and intricacy in the final product.
- Q: How are molds made in metal casting machinery?
- Molds are made in metal casting machinery through a process called pattern making. A pattern, which is a replica of the desired metal part, is created using materials such as wood, plastic, or metal. This pattern is then placed in a flask, and a molding material, typically sand, is packed around it to form a mold cavity. The pattern is removed, leaving a hollow space in the shape of the desired part. Molten metal is then poured into the mold cavity, where it solidifies and takes the shape of the pattern. Once the metal has cooled and hardened, the mold is opened, and the metal casting is removed, ready for further processing or use.
- Q: How does die casting machinery differ from other metal casting machinery?
- Die casting machinery differs from other metal casting machinery in a few key ways. Firstly, die casting machinery is specifically designed for high-pressure casting, whereas other metal casting machinery may be used for a variety of casting processes including sand casting, investment casting, or gravity casting. Die casting involves injecting molten metal into a mold cavity at high speeds and pressures, resulting in a more precise and accurate casting with excellent surface finish. Secondly, die casting machinery is typically automated or semi-automated, making it more efficient and productive compared to other metal casting machinery. The entire die casting process, from molten metal injection to solidification and ejection of the cast part, can be controlled and monitored by computerized systems, reducing the need for manual intervention and minimizing human error. Thirdly, die casting machinery is usually equipped with a two-part mold, known as a die, which is made of hardened steel. The die is precision-machined to create the desired shape and features of the cast part. This reusable die allows for high-volume production and consistency in part dimensions and quality. In contrast, other metal casting machinery often uses expendable molds made of sand, plaster, or ceramic, which need to be replaced after each casting. Lastly, die casting machinery is capable of producing complex and intricate parts with thin walls and tight tolerances. The high-pressure casting process ensures that the molten metal fills the mold completely, capturing all the intricate details of the part design. This makes die casting suitable for manufacturing parts with complex geometries, such as engine components, automotive parts, electronics housings, and consumer products. Overall, die casting machinery offers distinct advantages in terms of precision, efficiency, and complexity compared to other metal casting machinery, making it a preferred choice for many industrial applications.
- Q: What are the different types of digitalization and connectivity solutions for metal casting machinery?
- There are several different types of digitalization and connectivity solutions available for metal casting machinery. These solutions aim to optimize and improve the efficiency of the casting process, as well as enable real-time data monitoring and analysis. One type of solution is the implementation of sensors and IoT (Internet of Things) devices on the machinery. These devices can collect data on various parameters such as temperature, pressure, and vibration, providing insights into the performance and condition of the equipment. This data can be analyzed in real-time, allowing for proactive maintenance and reducing the risk of unexpected breakdowns. Another type of digitalization solution is the integration of machine learning and artificial intelligence algorithms. By analyzing historical data, these algorithms can optimize the casting parameters, predict potential defects, and suggest improvements in the process. This helps in enhancing the quality of the castings and reducing scrap rates. Connectivity solutions play a crucial role in digitalization as well. By connecting the casting machinery to a centralized network, operators and managers can monitor and control the process remotely. This enables real-time communication and collaboration, allowing for quick troubleshooting and decision-making. Cloud-based platforms are also used in the digitalization of metal casting machinery. These platforms provide a secure and scalable environment for storing and analyzing large amounts of data. They enable access to real-time analytics, performance dashboards, and historical trends, helping in identifying patterns and optimizing the casting process. Furthermore, augmented reality (AR) and virtual reality (VR) technologies are being applied to metal casting machinery. These technologies can be used to visualize the casting process, simulate different scenarios, and provide training to operators. This enhances the understanding of the process, improves operator skills, and reduces the risk of errors. Overall, the different types of digitalization and connectivity solutions for metal casting machinery are aimed at improving efficiency, quality, and productivity. By leveraging the power of data analytics, IoT, AI, cloud computing, and AR/VR, manufacturers can optimize their casting operations and stay competitive in the digital age.
- Q: How does metal casting machinery ensure uniform cooling and solidification of the metal?
- Metal casting machinery ensures uniform cooling and solidification of the metal through various mechanisms. One of the key techniques employed is the use of molds or dies that are designed to have a specific cooling system. These cooling systems typically include channels or passages through which a coolant, such as water or air, is circulated. This helps in maintaining a consistent temperature throughout the mold, ensuring uniform cooling and solidification of the metal. Additionally, the machinery may also utilize controlled cooling rates by adjusting the temperature and flow rate of the coolant, which further aids in achieving uniformity in the cooling and solidification process.
- Q: How do you select the right furnace for a specific casting process?
- To select the right furnace for a specific casting process, several factors need to be considered. First, the type of casting process should be identified, whether it is sand casting, investment casting, or another method. Next, the required temperature range and heating capacity should be determined based on the materials being used and the size of the casting. Additionally, the furnace's fuel source, such as electricity, gas, or oil, should align with the facility's infrastructure and cost considerations. It is also essential to evaluate the furnace's control system, ensuring it provides precise temperature control and sufficient safety features. Lastly, considering factors like the furnace's energy efficiency, maintenance requirements, and reliability will help to make an informed decision for selecting the right furnace for a specific casting process.
- Q: What are the different types of filters used with metal casting machinery?
- To ensure the quality of the final castings, various filters are utilized with metal casting machinery. These filters serve the purpose of eliminating impurities and solid particles from the molten metal, resulting in castings that are cleaner and more precise. Ceramic filters, which possess exceptional thermal stability and high mechanical strength, find extensive use in metal casting. They are crafted from ceramic materials like silicon carbide or alumina, which can endure the elevated temperatures of molten metal. By removing impurities such as slag, sand, and oxides, these filters enhance the quality of the castings. Foam filters, on the other hand, are produced from a porous ceramic material with a sponge-like structure. They are particularly effective in filtering non-ferrous metals like aluminum. Due to their high specific surface area, they can efficiently capture impurities and solid particles. Additionally, these filters exhibit excellent resistance to thermal shocks, making them suitable for applications involving high temperatures. Sand filters, also known as foundry sand, are commonly employed in metal casting processes. Composed of fine-grained sand with a specific grain size distribution, they are utilized to eliminate large particles and impurities from the molten metal. Positioned in the pouring basin or gating system, these filters purify the metal as it flows into the mold. Mesh filters, made from a fine metal wire mesh, are typically utilized for filtering non-ferrous metals such as copper, bronze, or brass. By effectively eliminating oxide films, sand, and other impurities, they contribute to the purification of the molten metal. The size of the mesh can be adjusted according to the desired level of filtration. Lastly, ceramic foam filters combine the attributes of both ceramic and foam filters. They consist of a ceramic foam structure coated with a thin layer of ceramic material. These filters offer efficient filtration and improved flow control, making them commonly used in both ferrous and non-ferrous metal casting. In summary, metal casting machinery employs various types of filters, including ceramic filters, foam filters, sand filters, mesh filters, and ceramic foam filters. Each type possesses distinct advantages and is selected based on the specific requirements of the casting process and the type of metal being cast. These filters play a vital role in guaranteeing the quality and integrity of the final castings.
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Mill Rolls High Speed Steel Roller With Good 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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