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: Can metal casting machinery be used for investment casting of shape memory alloys?
- Yes, metal casting machinery can be used for investment casting of shape memory alloys. Investment casting, also known as lost-wax casting, is a widely used method for producing complex metal parts with high dimensional accuracy. It involves creating a wax pattern that is coated with a ceramic shell, which is then heated to melt and remove the wax, leaving behind a cavity. Molten metal is then poured into the cavity and allowed to solidify before the ceramic shell is broken away to reveal the final part. Shape memory alloys, such as Nitinol, are a type of metallic material that exhibit unique properties, including the ability to return to their original shape after being deformed. These alloys are often used in various industries, such as aerospace, medical, and automotive, due to their shape memory and superelasticity characteristics. Metal casting machinery can certainly be used for investment casting of shape memory alloys. The process of investment casting allows for the production of intricate shapes and complex geometries, making it suitable for shape memory alloy parts that require high precision and intricate features. The machinery used for investment casting can handle the melting and pouring of shape memory alloys, ensuring that the molten metal is properly cast into the ceramic shell and solidifies to form the desired shape. However, it is important to note that the casting parameters may need to be adjusted to accommodate the specific characteristics of shape memory alloys. These alloys have unique thermal and mechanical properties, which can affect the casting process. It may be necessary to control the cooling rate, preheat the mold, or use specific pouring techniques to ensure proper solidification and retain the desired shape memory properties of the alloy. In conclusion, metal casting machinery can be effectively used for investment casting of shape memory alloys. This process allows for the production of complex and precise parts, making it suitable for the manufacturing of shape memory alloy components in various industries. However, careful consideration and potential adjustments to the casting parameters may be required to account for the unique properties of shape memory alloys.
- Q: How is the molten metal transferred from the furnace to the metal casting machinery?
- The molten metal is typically conveyed from the furnace to the metal casting machinery through various methods, which vary depending on the specific casting process and equipment being utilized. One frequently employed approach is ladle pouring, where the molten metal is filled into a ladle from the furnace and subsequently transferred to the casting machine either manually or mechanically. In certain instances, the molten metal may be directly transferred from the furnace to the casting machine via a system of troughs or channels. This technique is commonly employed in continuous casting processes, where the molten metal is continuously poured into a mold or a series of molds to generate a continuous solidified product. For larger-scale operations with greater distances between the furnace and casting machinery, metal transfer pumps or conveyors may be employed to transport the molten metal. These pumps or conveyors can efficiently move the metal over longer distances and can be automated to ensure a continuous flow of molten metal to the casting machinery. It is crucial to emphasize that the transfer of molten metal from the furnace to the casting machinery necessitates careful consideration of safety precautions. The high temperatures and the potential for splashing or spilling of the molten metal present significant hazards. Therefore, the utilization of proper protective equipment, such as heat-resistant clothing and gloves, along with adequate training and supervision, is vital to ensure the safe and efficient transfer of molten metal in the casting process.
- Q: How does metal casting machinery handle the disposal of waste materials?
- Metal casting machinery takes responsibility for disposing of waste materials in an environmentally conscious manner. To ensure proper waste management during the metal casting process, various methods and practices are employed. Recycling is a commonly used method in which waste materials like excess metal, sprues, and runners are gathered and recycled back into the casting process. These materials are typically melted down and reused to produce new castings, reducing waste and conserving resources. Another approach involves implementing waste management systems that involve collecting and treating waste materials to minimize their impact on the environment. This includes segregating different types of waste for appropriate disposal, such as separating hazardous materials from non-hazardous ones. Waste management systems also employ filtration and purification techniques to remove contaminants from liquid waste before it is released. In addition to recycling and waste management systems, metal casting machinery may incorporate technologies to reduce waste generation. For example, some casting processes utilize computer simulations and advanced mold design techniques to minimize the production of excess material or scrap. This optimizes resource usage and reduces waste. Metal casting facilities are also subject to environmental regulations and compliance standards. These regulations aim to protect the environment and dictate the proper handling and disposal of waste materials. Manufacturers and operators of metal casting machinery must adhere to these regulations and implement appropriate waste management practices to ensure compliance. Ultimately, the disposal of waste materials in metal casting machinery involves a combination of recycling, waste management systems, waste reduction technologies, and regulatory compliance. These measures work together to minimize the environmental impact of metal casting processes and promote sustainable practices in the industry.
- Q: How do you troubleshoot common issues with metal casting machinery?
- To identify and resolve common issues with metal casting machinery, follow these steps: 1. Begin by thoroughly studying the machine's manual. Take the time to understand the manufacturer's specifications, operating procedures, and troubleshooting guide. This will provide valuable insights into potential problems and their solutions. 2. Inspect the machinery for any signs of physical damage. Look for loose connections, worn-out parts, and ensure that all safety guards and covers are securely in place and functioning properly. 3. Verify the power supply by ensuring that the machine is correctly connected to a reliable power source. Also, check for any blown fuses or tripped circuit breakers that may be affecting the power supply stability. 4. Examine the levels of hydraulic fluid, lubricants, and coolants. Low levels or contamination can adversely affect the machinery's performance. Refill or replace fluids as needed. 5. Regularly clean and maintain the equipment to remove dust, debris, and metal shavings that could interfere with its proper operation. Follow the manufacturer's recommendations for lubricating moving parts. 6. Thoroughly inspect the control systems, including control panels, switches, and buttons, for any malfunctions or loose connections. Ensure that sensors, valves, and other control devices are operating correctly. 7. Identify the specific issue you are encountering, such as casting defects, improper cooling, or irregular flow of molten metal. Refer to the troubleshooting guide provided by the manufacturer or seek assistance from experienced professionals in the field. 8. Utilize diagnostic tools like temperature gauges, pressure sensors, or flow meters to perform tests that can identify abnormalities in the machinery's performance. Compare the readings with the recommended values provided by the manufacturer. 9. If the troubleshooting steps mentioned above do not resolve the issue, seek expert advice. Consult with the manufacturer's technical support or an experienced technician specializing in metal casting machinery. They can provide further guidance and assistance in diagnosing and resolving the problem. Always prioritize safety when working with metal casting machinery. Adhere to recommended safety procedures, wear appropriate personal protective equipment, and ensure the machine is properly shut down before conducting any troubleshooting activities.
- Q: What are the different types of digitalization and connectivity solutions for metal casting machinery?
- Metal casting machinery offers a range of digitalization and connectivity solutions that aim to optimize efficiency, improve the casting process, and enable real-time data monitoring and analysis. One solution involves implementing sensors and IoT devices on the machinery. These devices can collect data on temperature, pressure, and vibration, providing insights into equipment performance and condition. Real-time analysis of this data allows for proactive maintenance and reduces the risk of unexpected breakdowns. Another solution involves integrating machine learning and artificial intelligence algorithms. By analyzing historical data, these algorithms can optimize casting parameters, predict defects, and suggest process improvements. This enhances casting quality and reduces scrap rates. Connectivity solutions are also crucial in digitalization. By connecting casting machinery to a centralized network, operators and managers can remotely monitor and control the process. This enables real-time communication, troubleshooting, and decision-making. Cloud-based platforms are utilized to store and analyze large amounts of data securely. These platforms provide real-time analytics, performance dashboards, and historical trends, allowing for pattern identification and process optimization. Augmented reality (AR) and virtual reality (VR) technologies are also applied to metal casting machinery. They visualize the casting process, simulate scenarios, and provide operator training. This improves process understanding, operator skills, and reduces errors. In summary, digitalization and connectivity solutions for metal casting machinery aim to enhance efficiency, quality, and productivity. Leveraging data analytics, IoT, AI, cloud computing, and AR/VR enables manufacturers to optimize casting operations and remain competitive in the digital era.
- Q: How does metal casting machinery handle the removal of ceramic shells from investment castings?
- Metal casting machinery handles the removal of ceramic shells from investment castings through a process called shell removal. This process is typically carried out using a combination of mechanical and chemical methods. Mechanical methods involve using tools such as hammers, chisels, or pneumatic hammers to break the ceramic shells and remove them from the castings. These tools are used to carefully chip away the ceramic material without causing any damage to the underlying metal casting. Chemical methods involve the use of chemicals or solutions that can dissolve or weaken the ceramic material. These chemicals are typically applied to the ceramic shells, allowing them to soften or break down, making it easier to remove them from the castings. Some metal casting machinery also incorporates specialized equipment such as vibratory tumblers or media blasting machines to aid in the removal process. Vibratory tumblers use a combination of vibration and media (such as ceramic or plastic beads) to gently remove the ceramic shells from the castings. Media blasting machines use compressed air or water to spray abrasive media onto the castings, effectively breaking down the ceramic shells. Overall, metal casting machinery employs a combination of mechanical and chemical methods to safely and efficiently remove ceramic shells from investment castings, ensuring that the final product is clean and free from any residual ceramic material.
- Q: How does metal casting machinery handle the removal of excess sand from the castings?
- Various methods are utilized by metal casting machinery to handle the removal of excess sand from the castings. One commonly used method is shakeout, which involves shaking or vibrating the castings to dislodge the sand. This can be accomplished using a vibrating table or a mechanical shaker. The shaking motion aids in loosening and breaking up the sand, enabling it to separate from the castings. Another method employed is sand blasting or shot blasting. During this process, the castings are subjected to a high-pressure stream of abrasive material, such as sand or steel shot. This abrasive material forcefully blasts off the excess sand from the surface of the castings. Sand blasting is particularly effective for eliminating stubborn or hard-to-reach sand particles. In addition, some metal casting machinery may employ gravity separation or gravity settling. In this method, the castings are placed in a container or tank filled with water. The heavier castings sink to the bottom, while the lighter sand particles float to the top. The excess sand can then be skimmed off or drained from the tank, leaving behind clean castings. Moreover, advanced metal casting machinery may utilize automated systems, including robotic arms or mechanical conveyors, to handle the removal of excess sand. These systems can be programmed to carefully manipulate and transport the castings while simultaneously eliminating the sand using any of the aforementioned methods. Overall, metal casting machinery combines shaking, blasting, gravity separation, and automation to effectively handle the removal of excess sand from the castings. These processes guarantee that the castings are left clean and free from any remaining sand particles, resulting in finished products of high quality.
- Q: How does metal casting machinery ensure proper filling and solidification of the mold?
- Various mechanisms and techniques are utilized by metal casting machinery to ensure the mold is properly filled and solidified. Firstly, a pour cup, resembling a funnel-shaped opening, is equipped in the casting machinery to allow the molten metal to be poured into the mold. This pour cup aids in controlling the flow of the molten metal and directing it into the mold cavity. Furthermore, the design of the casting machinery enables the application of pressure or vacuum to guarantee proper mold filling. In pressure casting, a pressurized system is employed to forcefully push the molten metal into the mold cavity, ensuring complete filling and reducing the likelihood of defects such as porosity or incomplete casting. Conversely, vacuum casting uses a vacuum system to eliminate air and gases from the mold cavity, creating a pressure difference that draws the molten metal into the mold. To ensure the mold solidifies effectively, the casting machinery employs various cooling mechanisms. These may consist of cooling channels or water jackets within the mold to dissipate heat and accelerate the solidification process. Advanced casting machines may also include temperature control systems that monitor and adjust the cooling process according to the specific requirements of the metal being cast. Moreover, vibration or shaking mechanisms are often incorporated into the casting machinery. These mechanisms serve to eliminate any trapped air or gases in the mold and ensure proper distribution of the molten metal within the mold cavity. This vibration or shaking action aids in minimizing defects such as air pockets or shrinkage. In conclusion, metal casting machinery utilizes a variety of techniques, including controlled pouring, pressure or vacuum systems, cooling mechanisms, and vibration, to ensure the mold is properly filled and solidified. These mechanisms work in conjunction to reduce defects, produce high-quality castings, and maintain the integrity of the final product.
- Q: What are the different types of molds used with metal casting machinery?
- There are several types of molds used with metal casting machinery, including green sand molds, investment molds, permanent molds, die casting molds, and centrifugal molds. Each type of mold is used for specific casting processes and materials, depending on factors such as complexity, volume, and desired finish.
- Q: How does the cooling system in metal casting machinery work?
- The cooling system in metal casting machinery plays a crucial role in maintaining the temperature of the casting process and ensuring the quality of the final product. It primarily works by dissipating the heat generated during the casting process. The cooling system typically consists of a series of channels or passages that are strategically placed within the machinery. These channels are responsible for the circulation of cooling fluids, such as water or oil, which help to absorb the excessive heat produced by the molten metal. The cooling fluids are usually pumped through the channels at a controlled rate and temperature. As the hot molten metal comes into contact with the chilled walls of the channels, heat is transferred from the metal to the cooling fluid. This process is known as conduction, where heat flows from a region of higher temperature to a region of lower temperature. To enhance the cooling effect, the channels are often designed with intricate patterns, such as fins or ribs, to increase the surface area of contact between the metal and the cooling fluid. This maximizes the heat transfer efficiency and allows for faster cooling. In addition to conduction, the cooling system may also utilize other mechanisms such as convection and radiation to further facilitate heat dissipation. Convection occurs when the heated fluid rises due to its lower density, creating a continuous flow that aids in carrying away the heat. Radiation, on the other hand, involves the emission of thermal energy in the form of electromagnetic waves. Overall, the cooling system in metal casting machinery is a critical element in the casting process. It helps to prevent overheating, control the solidification rate of the metal, and ensure the dimensional accuracy and integrity of the final castings. By efficiently managing the heat generated, the cooling system contributes to the production of high-quality and defect-free metal castings.
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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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