Alloy Roll with High Wear Resistance and High Performance
- 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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Specification
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: What are the different types of automation solutions for metal casting machinery?
- There are several different types of automation solutions that can be implemented in metal casting machinery to improve efficiency and productivity. 1. Robotic Automation: Robotic automation involves the use of industrial robots to perform various tasks in the metal casting process. These robots can handle tasks such as pouring molten metal, removing castings from molds, and transporting castings to different stages of the process. Robotic automation not only increases efficiency by reducing manual labor but also improves safety by minimizing the risk of accidents for workers. 2. Automated Molding Systems: Automated molding systems eliminate the need for manual molding by automating the process of creating molds. These systems use computer-aided design (CAD) software to design and create molds, which are then produced by machines. This automation solution ensures consistent and precise mold creation, leading to high-quality castings. 3. Automated Pouring Systems: Automated pouring systems are designed to pour molten metal into molds accurately and efficiently. These systems use sensors and control mechanisms to ensure precise pouring, minimizing the risk of defects and improving casting quality. Automated pouring systems also reduce the dependency on manual labor, making the process more reliable and cost-effective. 4. Automated Cleaning Systems: After casting, metal parts often require cleaning to remove excess material, such as burrs and flash. Automated cleaning systems use robotic arms or machines to perform this task, eliminating the need for manual labor. These systems can utilize various methods such as blasting, grinding, or tumbling to clean the castings efficiently. 5. Automated Inspection Systems: Inspection is a crucial step in metal casting to ensure the quality and integrity of the final product. Automated inspection systems employ advanced technologies such as computer vision and sensors to detect defects, measure dimensions, and analyze the quality of castings. These systems can quickly identify and reject defective parts, reducing the likelihood of faulty products reaching the market. 6. Data Monitoring and Control Systems: Automation solutions for metal casting machinery often include data monitoring and control systems. These systems collect real-time data from various sensors and machines, enabling operators to monitor and control the entire casting process. By analyzing this data, operators can identify bottlenecks, optimize settings, and make data-driven decisions to enhance productivity and quality. In summary, the different types of automation solutions for metal casting machinery include robotic automation, automated molding systems, automated pouring systems, automated cleaning systems, automated inspection systems, and data monitoring and control systems. Implementing these automation solutions can significantly improve efficiency, productivity, and quality in the metal casting industry.
- Q: How do you maintain and clean metal casting machinery?
- Maintaining and cleaning metal casting machinery involves regular inspection, lubrication, and cleaning. This includes checking for any wear or damage, replacing worn-out parts, and ensuring proper lubrication of moving components. Regular cleaning involves removing dust, debris, and any residual metal particles. It is essential to follow the manufacturer's guidelines and use appropriate cleaning agents to avoid damaging the machinery. Additionally, implementing preventive maintenance schedules and training operators on proper cleaning procedures helps to ensure the longevity and optimum functioning of metal casting machinery.
- Q: What are the regulations governing the use of metal casting machinery?
- The regulations governing the use of metal casting machinery vary depending on the country and jurisdiction. However, in general, these regulations aim to ensure the safety of workers and the environment. They may include guidelines on machine design and maintenance, operator training and certification, proper use of personal protective equipment, ventilation requirements, and the handling and disposal of hazardous materials. Compliance with these regulations is crucial to prevent accidents, protect workers' health, and minimize environmental impact.
- Q: What are the different types of casting defects related to shakeout in metal casting machinery?
- Some common types of casting defects related to shakeout in metal casting machinery include sand inclusions, mold erosion, metal penetration, sand blow, and casting distortion.
- Q: What are the different types of casting defects that can occur in shell molding?
- Some common types of casting defects that can occur in shell molding include shrinkage porosity, gas porosity, cold shuts, misruns, and sand inclusions.
- Q: Can metal casting machinery be used for investment casting of carbon fiber?
- No, metal casting machinery cannot be used for investment casting of carbon fiber. Metal casting machinery is specifically designed for melting and pouring molten metal into molds to create metal parts. On the other hand, investment casting of carbon fiber involves using molds made of ceramic or other materials to create carbon fiber parts by infiltrating the mold with a carbon fiber matrix material. The process of investment casting of carbon fiber requires specialized equipment and techniques that are distinct from traditional metal casting.
- Q: What are the different types of defects that can occur during metal casting?
- During metal casting, various types of defects can arise, impacting the final product's quality and integrity. Some common defects include: 1. Shrinkage: Voids or cavities within the casting result from the metal's solidification. Shrinkage defects fall into two categories: internal shrinkage porosity and visible shrinkage cavity. 2. Gas porosity: Trapped gases like hydrogen or nitrogen during solidification cause this defect. Gas porosity weakens the final product and reduces its mechanical properties. 3. Inclusions: Foreign materials, such as impurities, oxides, or sand particles, unintentionally become trapped within the casting, compromising its structural integrity. 4. Cold shuts: Improper fusion of molten metal leads to incomplete casting formation. This defect arises from improper gating or insufficient pouring temperature. 5. Misruns: Inadequate filling of the mold cavity results in incomplete castings. Causes may include insufficient pouring time, low pouring temperature, or an improper gating system. 6. Hot tears: Internal stresses during metal cooling cause cracks known as hot tears. Improper casting design, inadequate riser and feeding systems, or high metal contraction can cause these cracks. 7. Surface defects: Rough surfaces, sand sticking, or metal penetration are examples of surface defects. Inadequate mold release agents, improper gating or venting, or insufficient cooling time contribute to these issues. 8. Dimensional inaccuracies: When a casting fails to meet desired dimensions or tolerances, this defect occurs. Pattern or mold distortion, improper shrinkage allowances, or thermal expansion mismatch are factors contributing to dimensional inaccuracies. It is crucial to note that these defects can be minimized or eliminated through proper design, mold preparation, gating systems, and control of pouring parameters. Regular quality control checks and inspections during the casting process help identify and address these defects, ensuring the production of high-quality castings.
- Q: How does metal casting machinery handle the assembly operations of castings?
- Metal casting machinery uses various assembly operations to handle the assembly of castings. These operations are designed to ensure that the castings are properly joined together to create a finished product. One of the commonly used assembly operations in metal casting machinery is welding. Welding involves the use of heat to melt and fuse the metal parts together. This process is typically used for joining large or complex castings that cannot be easily assembled using other methods. Welding can be done manually or through automated processes, depending on the size and complexity of the castings. Another assembly operation used in metal casting machinery is bolting. Bolting involves using screws, nuts, and bolts to connect the different parts of the casting together. This method is often used for castings that require frequent disassembly or reassembly, as it allows for easy removal and replacement of parts. In addition to welding and bolting, metal casting machinery also uses other assembly operations such as riveting, soldering, and adhesive bonding. Riveting involves using metal pins or rivets to hold the castings together, while soldering involves melting a metal alloy to create a bond between the parts. Adhesive bonding, on the other hand, uses specialized adhesives to join the castings together. The choice of assembly operation depends on various factors such as the size, shape, and material of the castings, as well as the desired strength and durability of the final product. Metal casting machinery is designed to handle these assembly operations efficiently and accurately, ensuring that the castings are properly joined together to create a high-quality finished product.
- Q: How long does it take to set up and operate metal casting machinery?
- The duration for setting up and operating metal casting machinery varies based on several factors. These factors include the type and complexity of the machinery, the skill level of the operator, and the specific demands of the casting project. For simpler machinery like small-scale foundry equipment, the setup time can range from a few hours to a day. This involves assembling the components, connecting power and water supplies, and ensuring all safety measures are in place. Operating metal casting machinery can be a relatively straightforward process, especially for experienced operators. However, beginners or those dealing with more complex machinery may face a learning curve and require additional time to familiarize themselves with the equipment and its controls. The duration of this learning period depends on the individual's aptitude and prior experience with similar machinery, ranging from a few days to several weeks. The time required for the actual casting process can vary significantly based on factors such as the size and intricacy of the metal part, the type of metal used, and the casting technique employed. Generally, the casting process itself can take minutes to hours, with larger and more complex castings requiring longer cycle times. In conclusion, it is crucial to view the setup and operation of metal casting machinery as a multi-step process that includes both initial setup and ongoing operation. While setup time can be relatively quick, the efficiency and effectiveness of the operation depend on the operator's experience and the specific demands of the casting project.
- Q: What are the steps involved in the metal casting process using machinery?
- The metal casting process using machinery involves several steps to transform raw materials into final metal products. Here are the main steps involved in this process: 1. Patternmaking: The first step is to create a pattern, which is a replica of the final product. The pattern can be made of wood, metal, or plastic and is used to create the mold. 2. Mold Preparation: Once the pattern is ready, it is placed in a mold box. The mold box is then filled with a molding material, such as sand or clay, which is packed tightly around the pattern to create the mold cavity. 3. Melting the Metal: The next step is to melt the metal that will be used for casting. This is typically done in a furnace, which can reach high temperatures. The metal is heated until it reaches its liquid state. 4. Pouring: Once the metal is molten, it is poured into the mold cavity through a sprue, which is a channel that allows the metal to flow into the mold. The metal is poured carefully to ensure that the mold is completely filled. 5. Solidification: After the metal is poured into the mold, it starts to cool and solidify. The cooling time depends on the type of metal and the size and complexity of the casting. It is essential to control the cooling rate to avoid defects in the final product. 6. Removal: Once the metal has solidified, the mold is removed. This can be done by breaking the mold or using other methods, depending on the type of mold material. The pattern is also removed from the casting. 7. Cleaning and Finishing: After the casting is removed from the mold, it may undergo cleaning and finishing processes. This can include removing excess material, such as flash or burrs, and smoothing the surface of the casting. Additional finishing processes, such as machining or polishing, may be required depending on the desired final product. 8. Inspection and Quality Control: The final step is to inspect the casting for any defects or imperfections. This can be done visually or using non-destructive testing methods. The casting is checked against the specifications and quality standards to ensure it meets the required criteria. Overall, the metal casting process using machinery involves patternmaking, mold preparation, melting the metal, pouring, solidification, removal of the mold and pattern, cleaning and finishing, and inspection and quality control. Each step is crucial in producing high-quality metal castings for various applications.
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Alloy Roll with High Wear Resistance and High Performance
- 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
OKorder Financial Service
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