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
- Option:
- 650X1780X5540; 650X1780X5540; 680X2080X5920
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Item specifice
Type:
Rolling Machine
Feature:
High Efficiency
Forging method:
Mold Forging
Company Profile
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Mill rolls are our main products.
CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.
The product introduction of mill roll
Equipped with advanced technological facilities on melting, casting, forging, heat treating and mechanical machining, our factory has formed 9 professional complete roll manufacturing lines of cast steel, cast iron and forged steel rolls such as strip mill rolls, heavy section mill rolls, wire & bar rolls, special shaped rolls and small-sized cold rolls and specialized production lines of bloom and slab CCM, coke oven equipments and wind power products. Annual production capacity of mill rolls is 500,000 tons, metallurgical equipment is 80,000 tons.
Workshop
Workshop is the core of our company and undertakes all of scientific research work. The company specially produces and supplies all kinds of roll used for hot strip mill, cold strip mill, plate & heavy plate mill, large-sized section mill, universal mill etc.
Products & Specification
| Mill | Application | Material | Product Specification | ||
| Hot Strip Mill | Large-sized vertical roll | Special alloy cast roll, Adamite | All Sizes | ||
| Small-sized vertical roll | Adamite, HiCr iron | ||||
| Roughing work roll | Special alloy cast steel, Adamite, HiCr steel, Semi-HSS, HiCr iron | ||||
| Finish rolling | Early stand work roll | HiCr iron, HSS | |||
| Later stand work roll | ICDP, HSS | ||||
| Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |||
| Alloy forged steel | D≤¢2000,W≤75t | ||||
| Temper rolling | Work roll | HiCr iron | All Sizes | ||
| Alloy forged steel | |||||
| Back-up roll | ICDP | ||||
| Duplex cast steel | D≤¢2000, W≤80t | ||||
| Alloy forged steel | D≤¢2000, W≤75t | ||||
| Mill | Application | Material | Product specification |
Cold strip mill & Single stand cold mill | Work roll | Alloy forged steel | All Sizes |
| Intermediate roll | Alloy forged steel | ||
| Temper roll | Alloy forged steel | ||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |
| Alloy forged steel | D≤¢2000,W≤75t | ||
Largesized universal structural mill | Break-down roll | Special alloy cast steel, alloy nodular iron | All Sizes |
| Horizontal collar | High carbon adamite (duplex) | ||
| Vertical collar | High carbon adamite, HiCr iron | ||
| Edger roll Edger roll | High carbon adamite | ||
| Shaft | Alloy forged steel |
| Mill | Application | Marterial | Product Specification | |
| CSP | Vertical Roll | Adamite, Special alloy cast steel, HiCr iron | All Sizes | |
| Roughing work roll | Semi-HSS, HiCr Steel | |||
| Finish rolling | Early stand | HiCr iron, HSS | ||
| Later stand | ICDP, HSS | |||
| Roughing & Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Steckel Mill | Vertical roll | Adamite, Special alloy cast steel | All Sizes | |
| Roughing work roll | ICDP, HiCr iron | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Plate & Heavy plate mill | Rough rolling | 2-hi work roll | Special alloy cast steel, Tool steel | All Sizes |
| 4-hi work roll | HiCr iron, ICDP | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Single stand work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
Quality Control
The company has the most advanced experimental and testing equipments in global mill roll industry, including direct-reading spectrometer, spectrum analyzer , X-ray fluorescence analyzer, scanning electronic microscope, energy disperse spectroscopy, X-ray diffractometer, image analyzer, high/low temperature metallographic microscope, X-ray stress meter, brittleness temperature tester, thermal analogue machine, dilatometer, macro and micro hardness tester, OMNISCAM-1X automatic flaw detection, USN60 ultrasonic flaw detector, magnetic powder and non-destructive flaw detection etc,. The advanced inspection equipments and experimental methods provide guarantee for quality control and experiment on material, usability test and performance.
The factories of CNBM invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on three projects, production line of centrifugal casting rolls for hot strip and plate mill, forged roll for cold/hot strip mill, national class technology center and roll material lab. Through upgrade transformation, the following targets have been achideved:
(1)It becomes the world's biggest specialized mill roll maker with the largest production scale, the most complete specifications of products and the most extensive coverage of various rolls used on rolling mill.
(2) The technology of equipments has reached international leading level.
(3) "Mechanization, automation, intellectualization, digitization" of equipments obviously improve the quality control ability.
(4) New types of research instruments improve the R&D capacity of products.
Customers Visit
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your requirement.
- Q:How do you calculate the return on investment for metal casting machinery?
- When determining the return on investment (ROI) for metal casting machinery, it is necessary to take into account the initial investment cost and the potential financial benefits it will generate within a specified time period. 1. Initial Investment Cost: Start by calculating the total cost of acquiring and installing the metal casting machinery. This encompasses the purchase price, fees for delivery and installation, any required modifications or upgrades, as well as expenses for training. 2. Financial Benefits: Proceed by estimating the financial advantages that the machinery will yield. These may include increased production capacity, enhanced product quality, reduced labor costs, and gains in energy efficiency. Quantify these benefits in monetary terms, either as cost savings or additional revenue. 3. Timeframe: Determine the specific period over which you wish to calculate the ROI. This period could span a year, multiple years, or the expected lifespan of the machinery. The choice of timeframe depends on industry standards and your specific business objectives. 4. Calculation: Employ the following formula to calculate the ROI: ROI = (Net Profit / Initial Investment Cost) x 100 Net Profit = Total financial benefits - Initial Investment Cost Divide the net profit by the initial investment cost and multiply by 100 to obtain the ROI percentage. 5. Assessment: Once the ROI has been calculated, evaluate whether it satisfies your investment criteria. A higher ROI indicates a more favorable return on investment. Take into consideration factors such as the payback period, cash flow, and the overall financial well-being of your business when assessing the ROI. It is important to note that ROI calculations should also account for potential risks, maintenance costs, and depreciation of the machinery over time. Additionally, it is advisable to seek advice from financial professionals or utilize specialized software to ensure accurate calculations and a more comprehensive analysis of the investment.
- Q:What are the common finishing techniques used in metal casting machinery?
- Some common finishing techniques used in metal casting machinery include grinding, sanding, polishing, buffing, and painting. These techniques are employed to remove any imperfections or rough edges from the cast metal and to enhance its appearance and durability.
- Q:What are the different types of assembly operations performed on castings using metal casting machinery?
- There are several different types of assembly operations that can be performed on castings using metal casting machinery. These operations are crucial in ensuring the final product meets the desired specifications and quality standards. Some of the common assembly operations include: 1. Joining: This involves connecting two or more castings together to form a single component. Joining can be achieved through various methods such as welding, brazing, soldering, or adhesive bonding. These techniques create a strong and secure bond between the castings. 2. Fastening: Fastening operations involve attaching additional components or parts to the castings. This can be done using mechanical fasteners like screws, bolts, or rivets. Fastening ensures that the castings and additional components are securely held together. 3. Assembling sub-components: In some cases, castings may need to be assembled with other smaller sub-components. This can be done using techniques like press fitting, interference fitting, or using specialized assembly equipment. Assembling sub-components ensures that the castings are integrated into a larger system or structure. 4. Machining: Machining operations involve removing excess material from the castings to achieve the desired shape, size, or surface finish. This can be done through techniques like milling, turning, drilling, or grinding. Machining ensures that the castings are precise and meet the required dimensional and functional requirements. 5. Surface treatment: Surface treatment operations are performed to improve the appearance, corrosion resistance, or durability of the castings. These operations include processes like painting, powder coating, plating, anodizing, or heat treatment. Surface treatment enhances the overall quality and aesthetics of the castings. 6. Inspection and testing: Before the final assembly, castings need to undergo inspection and testing to ensure they meet the required standards. This may involve visual inspection, dimensional checks, non-destructive testing (NDT), or performance testing. Inspection and testing operations help identify any defects or issues that may affect the functionality or performance of the castings. By performing these assembly operations, manufacturers can transform castings into finished products that are ready for use in various industries such as automotive, aerospace, construction, and many others. Each assembly operation plays a significant role in ensuring the final product meets the desired specifications, functionality, and quality standards.
- Q:Can metal casting machinery produce castings with different finishes?
- Yes, metal casting machinery can produce castings with different finishes. The type of finish achieved depends on factors such as the type of metal used, the casting process, and the finishing techniques employed. Common finishes include smooth, textured, polished, brushed, and painted surfaces.
- Q:What are the different types of casting defects that can occur in lost foam casting?
- Lost foam casting can experience various types of casting defects. Some common defects include: 1. Gas Porosity: Trapped gas in the molten metal during solidification leads to gas porosity. The formation of bubbles within the casting weakens it and creates voids. This defect arises from improper gating or inadequate venting. 2. Shrinkage: As the molten metal cools and solidifies, it contracts and causes shrinkage defects. These defects result in voids or cavities in the casting. The improper gating or cooling rates usually cause shrinkage defects. 3. Misruns: Incomplete filling of the mold cavity by the molten metal causes misruns. This can be due to insufficient pouring temperature, improper gating design, or inadequate venting. Misruns produce incomplete castings with missing sections or features. 4. Cold shuts: Cold shuts occur when two streams of molten metal fail to fuse together properly during solidification. This happens if the metal solidifies too quickly or if issues arise with the gating system. Cold shuts lead to weak areas or visible lines on the casting surface. 5. Inclusions: During the pouring process, foreign materials like sand particles, oxides, or contaminants can become trapped in the casting, resulting in inclusions. Inclusions weaken the casting and affect its overall integrity. 6. Warpage: Distortion or bending of the casting after solidification causes warpage defects. This can be caused by uneven cooling or improper mold design. Warpage results in dimensional inaccuracies and affects the functionality of the casting. 7. Surface roughness: Surface roughness defects occur when the casting has an uneven or rough surface finish. This can be caused by mold issues, improper pouring techniques, or inadequate sand compaction. Surface roughness affects the aesthetics and functionality of the casting. These examples illustrate the various casting defects that can occur in lost foam casting. Addressing and minimizing these defects through proper design, material selection, and process control is crucial to ensure high-quality castings.
- Q:What are the different automation options available for metal casting machinery?
- There are several automation options available for metal casting machinery, each designed to streamline and enhance the casting process. One of the most common automation options is robotic arm technology. Robotic arms can be programmed to perform various tasks, such as pouring molten metal into molds, removing finished castings, and even cleaning and finishing the castings. These robotic arms are equipped with sensors and cameras to ensure accurate and precise movements, improving both speed and quality in the casting process. Another automation option is the use of computer numerical control (CNC) machines. CNC machines are computer-controlled machines that can perform tasks such as milling, drilling, and cutting metal with high precision. By automating these processes, CNC machines can produce complex and intricate castings with minimal human intervention, reducing the risk of errors and increasing production efficiency. Integrated automation systems are another option available for metal casting machinery. These systems combine various automation technologies, such as robotics, CNC machines, and material handling systems, to create a fully automated casting line. These systems can be programmed to perform the entire casting process, from mold preparation and pouring to finishing and inspection, eliminating the need for manual labor and reducing the risk of human error. Furthermore, there are automation options for specific tasks within the casting process. For instance, there are automated pouring systems that use sensors and control systems to accurately pour molten metal into molds. There are also automated mold handling systems that can transport, position, and assemble molds automatically, improving efficiency and reducing the risk of injuries. Overall, the different automation options available for metal casting machinery are aimed at improving efficiency, accuracy, and productivity in the casting process. By implementing these automation technologies, manufacturers can enhance their production capabilities, reduce costs, and deliver high-quality castings to their customers.
- Q:What are the maintenance costs associated with metal casting machinery?
- The maintenance costs associated with metal casting machinery can vary depending on several factors. Firstly, regular maintenance tasks such as lubricating moving parts, replacing worn-out components, and cleaning the machinery are essential to ensure optimal performance. These routine maintenance activities help prevent breakdowns, reduce the risk of accidents, and extend the lifespan of the machinery. The costs for these tasks typically include the purchase of lubricants, replacement parts, and cleaning supplies. Additionally, metal casting machinery may require occasional major repairs or overhauls. These can be more expensive and may involve hiring specialized technicians or purchasing specific tools and equipment. The costs for major repairs can vary significantly depending on the complexity of the machinery and the extent of the damage. Furthermore, metal casting machinery often requires regular calibration and adjustments to maintain accuracy and precision. This may involve hiring skilled technicians or using specialized measuring instruments and tools. The costs for calibration and adjustment can vary depending on the frequency required and the complexity of the machinery. Another aspect to consider is the cost of downtime during maintenance activities. When metal casting machinery is undergoing maintenance, it is not operational, resulting in a loss of production. This can impact the overall productivity and profitability of the casting process. Therefore, it is important to factor in the potential revenue loss when calculating the maintenance costs. Lastly, training and education for operators and maintenance personnel should be considered. Providing training on proper machine operation, maintenance procedures, and safety protocols can help minimize the risk of accidents and reduce the likelihood of costly mistakes or equipment damage. In conclusion, the maintenance costs associated with metal casting machinery encompass routine maintenance tasks, major repairs, calibration and adjustments, potential revenue loss due to downtime, and training expenses. These costs can vary depending on the complexity of the machinery, the frequency of maintenance required, and the level of expertise needed for repairs and calibration.
- Q:How is the porosity of castings controlled with metal casting machinery?
- The porosity of castings can be controlled with metal casting machinery through various techniques and process parameters. One of the primary factors that affect porosity is the quality and characteristics of the mold used in the casting process. The mold material should have good permeability and venting properties to allow gases to escape during the solidification of the metal. Additionally, the gating system design and placement of risers play a crucial role in controlling porosity. The gating system helps to direct the flow of molten metal into the mold, and the risers act as reservoirs to feed the molten metal as it solidifies. Proper gating and riser design enable a smooth and controlled flow of metal, reducing turbulence and minimizing gas entrapment. The control of mold temperature is another critical factor in preventing porosity. Maintaining the appropriate mold temperature helps to ensure proper solidification and reduces the likelihood of hot spots or cold shuts that can lead to porosity. This can be achieved through the use of cooling channels or by controlling the temperature of the mold material itself. Furthermore, the selection and control of the casting process parameters, such as pouring temperature, pouring speed, and solidification time, are essential in controlling porosity. The pouring temperature should be carefully monitored to prevent excessive turbulence and gas entrapment. The pouring speed should be controlled to ensure a smooth flow of metal, and the solidification time should be optimized to allow for the escape of gases and the complete filling of the mold cavity. Lastly, the use of various additives and alloys can also help control porosity. For example, the addition of grain refiners can promote a finer grain structure, reducing the likelihood of porosity. Similarly, degassing agents can be used to remove dissolved gases from the molten metal, minimizing the potential for gas porosity. In conclusion, controlling the porosity of castings with metal casting machinery involves a combination of factors, including mold quality, gating system design, mold temperature control, casting process parameters, and the use of additives and alloys. By carefully considering and optimizing these factors, manufacturers can achieve castings with minimal porosity and improved quality.
- Q:Can metal casting machinery be used for producing castings with complex internal geometries?
- Certainly, metal casting machinery has the capability to produce castings with intricate internal geometries. The process involves pouring molten metal into a mold, which then takes on the desired shape. Thanks to technological advancements and the availability of specialized casting equipment, it is now feasible to manufacture complex internal geometries in castings. A commonly employed method for achieving complex internal geometries is the utilization of expendable patterns or molds. These patterns are made from materials that can be easily melted, burned, or dissolved after the casting process. By using expendable patterns, manufacturers can fabricate detailed internal features like cavities, cores, and thin-walled sections within the castings. Another technique employed to cast complex internal geometries is the use of ceramic cores. These cores are created from materials that can withstand high temperatures and the molten metal. They are placed within the mold cavity to form the desired internal features. After the casting solidifies, the ceramic cores are removed, leaving behind the intricate internal geometries. Moreover, advancements in computer-aided design (CAD) and computer numerical control (CNC) technologies have significantly enhanced the ability to produce castings with complex internal geometries. CAD software enables the creation of intricate designs that can be converted into digital models. These digital models serve as a guide for CNC machines, allowing them to produce molds with precise internal features. To conclude, metal casting machinery is indeed capable of producing castings with complex internal geometries. The use of expendable patterns, ceramic cores, and advanced CAD/CNC technologies has made it possible to manufacture intricate and precise internal features within castings. This opens up new possibilities for various industries that require complex components.
- Q:What are the troubleshooting techniques for metal casting machinery?
- When troubleshooting metal casting machinery, there are several techniques that can be employed to identify and address any issues that may arise. Here are some common troubleshooting techniques for metal casting machinery: 1. Inspect and clean the equipment: Start by visually inspecting the machinery for any signs of damage, loose parts, or debris that may be obstructing its function. Clean the equipment thoroughly, removing any dirt, dust, or residue that could affect its performance. 2. Check power supply and connections: Ensure that the machinery is properly connected to a reliable power source and that all electrical connections are secure. Verify that the power supply meets the required voltage and amperage specifications. 3. Examine fluid levels and quality: Check the levels and condition of any fluids used in the casting process, such as lubricants or coolants. Low levels or contaminated fluids can lead to equipment malfunction or poor casting quality. 4. Monitor temperature and pressure: Maintain proper temperature and pressure levels throughout the casting process. Use appropriate gauges or sensors to monitor these parameters and adjust as necessary. 5. Verify correct settings and parameters: Review the machine's settings and parameters, including speed, time, temperature, and pressure settings. Ensure that they are correctly configured to meet the requirements of the casting process. 6. Analyze error codes or warning messages: If the machinery is equipped with an error code or warning message system, consult the manufacturer's manual or documentation to interpret and address any displayed alerts. 7. Conduct test runs and experiments: Perform test runs or experiments with non-critical materials to assess the machinery's performance. This can help identify any irregularities or inefficiencies in the casting process. 8. Seek expert advice: If troubleshooting efforts are unsuccessful or if the issue is beyond your expertise, seek guidance from a qualified technician or the machinery's manufacturer. They can provide specialized knowledge and assistance in resolving complex problems. Remember to prioritize safety and follow appropriate procedures when troubleshooting metal casting machinery. Regular maintenance and preventive measures can also help minimize the occurrence of issues and ensure smooth operation.
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Send your message to us
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
- Option:
- 650X1780X5540; 650X1780X5540; 680X2080X5920
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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