Half-Speed Steel Roll With High Quality and Low Price
- 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
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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Specification
Type:
Rolling Machine
Feature:
High Efficiency
Forging method:
Mold Forging
Company Profile
CNBM International Corporation (CNBM International) is the most important trading platform of CNBM Group Corporation, a state-owned company under the direct supervision of State-owned Assets Supervision and Administration Commission of the State Council.
CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Mill rolls are our main products.
CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.
The product introduction of mill roll
Equipped with advanced technological facilities on melting, casting, forging, heat treating and mechanical machining, our factory has formed 9 professional complete roll manufacturing lines of cast steel, cast iron and forged steel rolls such as strip mill rolls, heavy section mill rolls, wire & bar rolls, special shaped rolls and small-sized cold rolls and specialized production lines of bloom and slab CCM, coke oven equipments and wind power products. Annual production capacity of mill rolls is 500,000 tons, metallurgical equipment is 80,000 tons.
Workshop
Workshop is the core of our company and undertakes all of scientific research work. The company specially produces and supplies all kinds of roll used for hot strip mill, cold strip mill, plate & heavy plate mill, large-sized section mill, universal mill etc.
Products & Specification
| Mill | Application | Material | Product Specification | ||
| Hot Strip Mill | Large-sized vertical roll | Special alloy cast roll, Adamite | All Sizes | ||
| Small-sized vertical roll | Adamite, HiCr iron | ||||
| Roughing work roll | Special alloy cast steel, Adamite, HiCr steel, Semi-HSS, HiCr iron | ||||
| Finish rolling | Early stand work roll | HiCr iron, HSS | |||
| Later stand work roll | ICDP, HSS | ||||
| Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |||
| Alloy forged steel | D≤¢2000,W≤75t | ||||
| Temper rolling | Work roll | HiCr iron | All Sizes | ||
| Alloy forged steel | |||||
| Back-up roll | ICDP | ||||
| Duplex cast steel | D≤¢2000, W≤80t | ||||
| Alloy forged steel | D≤¢2000, W≤75t | ||||
| Mill | Application | Material | Product specification |
Cold strip mill & Single stand cold mill | Work roll | Alloy forged steel | All Sizes |
| Intermediate roll | Alloy forged steel | ||
| Temper roll | Alloy forged steel | ||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | |
| Alloy forged steel | D≤¢2000,W≤75t | ||
Largesized universal structural mill | Break-down roll | Special alloy cast steel, alloy nodular iron | All Sizes |
| Horizontal collar | High carbon adamite (duplex) | ||
| Vertical collar | High carbon adamite, HiCr iron | ||
| Edger roll Edger roll | High carbon adamite | ||
| Shaft | Alloy forged steel |
| Mill | Application | Marterial | Product Specification | |
| CSP | Vertical Roll | Adamite, Special alloy cast steel, HiCr iron | All Sizes | |
| Roughing work roll | Semi-HSS, HiCr Steel | |||
| Finish rolling | Early stand | HiCr iron, HSS | ||
| Later stand | ICDP, HSS | |||
| Roughing & Finishing back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Steckel Mill | Vertical roll | Adamite, Special alloy cast steel | All Sizes | |
| Roughing work roll | ICDP, HiCr iron | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
| Plate & Heavy plate mill | Rough rolling | 2-hi work roll | Special alloy cast steel, Tool steel | All Sizes |
| 4-hi work roll | HiCr iron, ICDP | |||
| Finishing work roll | HiCr iron, ICDP | |||
| Single stand work roll | HiCr iron, ICDP | |||
| Back-up roll | Duplex cast steel | D≤¢2000,W≤80t | ||
| Alloy forged steel | D≤¢2000,W≤75t | |||
Quality Control
The company has the most advanced experimental and testing equipments in global mill roll industry, including direct-reading spectrometer, spectrum analyzer , X-ray fluorescence analyzer, scanning electronic microscope, energy disperse spectroscopy, X-ray diffractometer, image analyzer, high/low temperature metallographic microscope, X-ray stress meter, brittleness temperature tester, thermal analogue machine, dilatometer, macro and micro hardness tester, OMNISCAM-1X automatic flaw detection, USN60 ultrasonic flaw detector, magnetic powder and non-destructive flaw detection etc,. The advanced inspection equipments and experimental methods provide guarantee for quality control and experiment on material, usability test and performance.
The factories of CNBM invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on three projects, production line of centrifugal casting rolls for hot strip and plate mill, forged roll for cold/hot strip mill, national class technology center and roll material lab. Through upgrade transformation, the following targets have been achideved:
(1)It becomes the world's biggest specialized mill roll maker with the largest production scale, the most complete specifications of products and the most extensive coverage of various rolls used on rolling mill.
(2) The technology of equipments has reached international leading level.
(3) "Mechanization, automation, intellectualization, digitization" of equipments obviously improve the quality control ability.
(4) New types of research instruments improve the R&D capacity of products.
Customers Visit
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your requirement.
- Q: How does metal casting machinery handle the removal of metal from molds?
- Metal casting machinery uses various methods to handle the removal of metal from molds. One common technique is known as shakeout, where the mold is vibrated or shaken to release the cast metal. This process helps separate the metal from the mold material, such as sand or ceramic, which is then discarded or recycled. Another method is knockout, which involves using mechanical force to remove the cast metal from the mold. This can be done manually or with the help of pneumatic or hydraulic systems that exert pressure to dislodge the metal. Additionally, some metal casting machinery employs the use of mold release agents to facilitate the removal process. These agents are applied to the mold surface before casting, forming a thin film that reduces the adhesion between the metal and the mold. As a result, the metal can be easily removed from the mold without causing any damage. Furthermore, in certain advanced metal casting techniques like investment casting, the molds are made of a material that can be easily broken or dissolved. Once the metal has solidified, the mold is shattered or dissolved, allowing the metal casting to be easily retrieved. Overall, metal casting machinery utilizes a combination of mechanical force, vibration, mold release agents, and specialized mold materials to handle the removal of metal from molds efficiently and safely.
- Q: How do you maintain and clean metal casting machinery?
- Maintaining and cleaning metal casting machinery is crucial for ensuring its optimal performance and prolonging its lifespan. Here are some steps to follow: Firstly, it is essential to regularly inspect the machinery for any signs of wear and tear, such as loose or damaged parts, leaks, or excessive vibrations. This can be done by trained personnel who are familiar with the equipment. To maintain the machinery, it is important to follow the manufacturer's guidelines and recommendations for maintenance schedules. This typically includes regular lubrication of moving parts, checking and adjusting belts, chains, and gears, as well as inspecting and cleaning filters, screens, and vents. Cleaning the machinery involves removing any built-up dirt, dust, or debris that may accumulate during operation. This can be done by using compressed air or vacuum cleaners to blow or suck away the contaminants. Care should be taken to avoid damaging any sensitive components during the cleaning process. Certain parts of the machinery may require specialized cleaning methods. For example, cooling systems may need to be flushed periodically to remove scale or sediment buildup. In such cases, it is advisable to refer to the manufacturer's instructions or consult with a professional technician to ensure the correct cleaning procedure is followed. Regularly inspecting and maintaining the electrical components of the machinery is also crucial for safety and efficient operation. This involves checking for loose connections, damaged wires, and worn-out insulation. If any issues are identified, it is important to address them promptly by consulting a qualified electrician. In addition to routine maintenance and cleaning, it is recommended to keep a record of all maintenance activities, such as dates of inspections, repairs, and replacements. This record can help identify any recurring issues or patterns, enabling proactive maintenance and minimizing downtime. Finally, it is important to train and educate the operators and maintenance personnel on proper cleaning and maintenance procedures. This includes emphasizing safety precautions, such as wearing appropriate personal protective equipment, and providing clear instructions on how to handle and store cleaning agents and lubricants. By following these steps and ensuring regular maintenance and cleaning, metal casting machinery can operate at its best, minimizing breakdowns, reducing downtime, and maximizing productivity.
- Q: Can metal casting machinery be used for investment casting of copper alloys?
- Yes, metal casting machinery can be used for investment casting of copper alloys.
- Q: Can metal casting machinery be used for investment casting of fiber-reinforced polymers?
- No, metal casting machinery cannot be used for investment casting of fiber-reinforced polymers. Investment casting is a process primarily used for casting metals, where a wax pattern is coated with a ceramic shell, melted out, and then filled with molten metal. Fiber-reinforced polymers involve the use of composite materials, typically consisting of a polymer matrix reinforced with fibers. The manufacturing process for fiber-reinforced polymers is different and requires specialized equipment, such as fiber placement machines or filament winding machines, to accurately lay down the fibers and impregnate them with the polymer matrix.
- Q: What are the challenges in using metal casting machinery for small-scale production?
- Using metal casting machinery for small-scale production presents several challenges: 1. High cost: The purchase, maintenance, and operation of metal casting machinery can be quite expensive. Small-scale production may lack the financial resources to invest in such machinery, thus limiting their ability to utilize this technology. 2. Limited space: Metal casting machinery requires a significant amount of space to set up and operate. Small-scale production facilities may have limited space, making it difficult to accommodate this type of machinery. 3. Skill and expertise: Effective operation of metal casting machinery requires specialized knowledge and skills. Small-scale production may not have access to skilled personnel experienced in metal casting techniques, leading to potential challenges in achieving desired quality and efficiency. 4. Lack of adaptability: Metal casting machinery is often designed for mass production and may not easily adapt to small-scale production needs. This lack of flexibility can make it challenging to efficiently produce customized or low-volume products. 5. Material restrictions: Some metal casting machinery may have limitations on the types of materials that can be used. Certain alloys or metals may require specific equipment or processes, limiting the options available for small-scale production. 6. Inefficient production capacity: Metal casting machinery is typically designed for large-scale production, which may not be suitable for small-scale operations. The machinery may have minimum production requirements or long setup times, making it inefficient for small-scale production needs. 7. Quality control difficulties: Maintaining consistent quality in small-scale metal casting production can be challenging due to the complex nature of the process. Without proper quality control measures and monitoring, small-scale producers may struggle to meet required standards and specifications. In conclusion, while metal casting machinery offers numerous advantages, it poses several challenges for small-scale production. These challenges include high cost, limited space, skill requirements, lack of adaptability, material restrictions, inefficient production capacity, and difficulties in quality control. Overcoming these challenges requires careful consideration, investment, and access to skilled personnel in order to successfully utilize metal casting technology for small-scale production.
- Q: What are the different types of sprues used with metal casting machinery?
- There are various types of sprues used with metal casting machinery, including straight sprues, tapered sprues, multiple sprues, and runner systems. These sprues are essential for directing the flow of molten metal into the mold cavity and ensuring proper filling and solidification of the casting.
- Q: How is the molten metal prevented from entering the gating system in metal casting machinery?
- In metal casting machinery, the molten metal is prevented from entering the gating system through various methods and design considerations. One of the primary ways to prevent the molten metal from entering the gating system is by incorporating a gating system design that includes proper gating dimensions and functional features. The gating system typically consists of channels, runners, and gates that lead the molten metal from the furnace or ladle to the mold cavity. These channels and runners are designed in such a way that they allow the molten metal to flow smoothly and evenly, while minimizing the risk of metal leakage or metal entering unwanted areas. To prevent the molten metal from entering the gating system prematurely, gating systems often employ the use of gating components such as gates, risers, and vents. These components are strategically placed within the gating system to control the flow of the molten metal and prevent it from entering undesired areas. Gates act as flow control devices and are designed to regulate the flow of molten metal into the mold cavity. They are typically located at the entry point of the mold cavity and are designed to open and close as needed. By properly sizing and positioning the gates, the flow of molten metal can be precisely controlled, preventing it from entering the gating system prematurely. Risers, also known as feeders, are another important component in preventing the molten metal from entering the gating system. Risers are designed to provide a reservoir of molten metal that can compensate for shrinkage during solidification. By incorporating risers in the mold design, any excess molten metal can be diverted and solidify in the riser instead of entering the gating system. Vents are another crucial element in preventing the molten metal from entering the gating system. Vents are small channels or openings placed strategically in the mold cavity to allow for the escape of gases, air, and other impurities that may be present in the mold cavity. By providing proper venting, the pressure in the mold cavity is regulated, preventing any unwanted flow of molten metal into the gating system. Overall, the prevention of molten metal from entering the gating system in metal casting machinery relies on a combination of proper gating system design, the incorporation of gating components, and the use of vents. By carefully considering these factors, manufacturers can ensure the smooth and controlled flow of molten metal into the mold cavity, while avoiding any leaks or unwanted metal entering the gating system.
- Q: How are the gates and runners designed in metal casting machinery?
- In metal casting machinery, the gates and runners are crucial components designed to facilitate the flow of molten metal into the mold cavity. These elements play a vital role in ensuring the success of the casting process by allowing for proper filling, solidification, and subsequent removal of the casting from the mold. The design of gates and runners in metal casting machinery involves careful consideration of several factors. Firstly, the geometry of the mold and the desired shape and size of the casting are taken into account. The gating system should be designed in a way that allows for smooth and controlled metal flow, minimizing turbulence and the formation of defects such as air entrapment or porosity. The design process also takes into consideration the properties of the metal being cast, such as its viscosity, temperature, and solidification characteristics. These factors influence the selection of gate and runner dimensions, as well as their shape and orientation. For instance, metals with high viscosity require larger gates and runners to accommodate the flow rate, while metals with low solidification temperature may need shorter runners to prevent premature solidification. Furthermore, the design of gates and runners considers the type of casting being produced. Different casting methods, such as sand casting, investment casting, or die casting, may require specific gating systems. For example, in sand casting, where the mold is made of sand, the design focuses on minimizing turbulence and ensuring proper sand compaction to prevent mold erosion. Additionally, the design of the gating system considers factors such as the location of the sprue, which is the main channel through which the molten metal enters the mold, and the placement and number of gates, which are smaller channels that distribute the metal to different sections of the mold cavity. These elements are strategically positioned to promote uniform filling and reduce the risk of defects, such as cold shuts or misruns. Overall, the design of gates and runners in metal casting machinery is a complex process that involves a combination of engineering principles, material properties, and knowledge of the casting method. By carefully considering these factors, engineers can optimize the gating system to ensure successful and high-quality castings.
- Q: What is the role of simulation software in metal casting machinery?
- Simulation software plays a crucial role in the metal casting machinery industry, providing engineers and manufacturers with a virtual platform to analyze and optimize various aspects of the casting process before implementing it in real-world production. The foremost advantage of simulation software is its ability to visualize the entire casting process. Engineers can observe the mold filling with molten metal, as well as the subsequent solidification and cooling stages. This visualization helps identify potential defects or issues that may arise during the casting process, such as shrinkage, porosity, or distortion. Additionally, simulation software allows engineers to simulate the flow of molten metal within the mold. This simulation helps optimize the design of the gating system, sprues, and vents, ensuring a uniform and efficient filling of the mold. By minimizing defects and enhancing the overall quality of the final product, simulation software proves its worth. Simulation software also enables engineers to analyze the solidification and cooling of the metal. Accurate predictions of solidification time and temperature distribution help manufacturers determine the optimal cycle time and cooling rate, ultimately leading to improved efficiency and reduced production costs. Moreover, simulation software offers the flexibility to experiment with different materials, alloys, and casting parameters without the need for expensive physical prototypes. This flexibility allows engineers to explore various design alternatives and process parameters, ultimately leading to the development of optimized casting processes and improved product quality. In summary, simulation software is an invaluable tool in the metal casting industry. It minimizes the time and cost associated with trial and error methods by providing a virtual platform for analysis and optimization. This, in turn, helps enhance the efficiency, quality, and profitability of metal casting operations for engineers and manufacturers.
- Q: How is the ergonomics of metal casting machinery optimized?
- The ergonomics of metal casting machinery is optimized through various design considerations and ergonomic principles. These factors aim to ensure that the machinery provides a safe and efficient working environment for operators and reduces the risk of work-related injuries. One important aspect of optimizing the ergonomics of metal casting machinery is ensuring proper placement and positioning of controls, buttons, and levers. The controls should be easily accessible and within reach of the operator, allowing them to operate the machinery comfortably without excessive stretching or reaching. This helps to minimize strain on the operator's muscles and joints. Another consideration is the design of the machinery's work surface. It should be at an appropriate height and angle to promote a neutral body posture for the operator. This means that the operator can maintain a comfortable position without excessive bending, twisting, or reaching. Additionally, the work surface should be designed to minimize vibration and provide adequate space for the operator to perform their tasks. Furthermore, the design of metal casting machinery should incorporate appropriate seating options. Ergonomically designed seats with adjustable features, such as height, backrest, and armrests, can significantly enhance the comfort and support for the operator during long hours of operation. The seat should also have sufficient padding and lumbar support to minimize the risk of back pain or discomfort. In addition to these design considerations, proper training and education for operators play a crucial role in optimizing the ergonomics of metal casting machinery. Operators should be educated about correct body mechanics, posture, and safe operating practices to minimize the risk of musculoskeletal disorders and other work-related injuries. Regular maintenance and inspections of the machinery are also essential to ensure that it remains in optimal working condition. This includes checking for any signs of wear and tear, lubricating moving parts, and addressing any issues promptly. Well-maintained machinery is less likely to cause discomfort or strain on the operator. In summary, the ergonomics of metal casting machinery are optimized through careful consideration of design elements such as control placement, work surface design, seating options, and operator training. By prioritizing the comfort and safety of operators, metal casting machinery can help minimize the risk of work-related injuries and create a more efficient and productive working environment.
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Half-Speed Steel Roll With High Quality and Low Price
- 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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