Graphitic Steel 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
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: What are the considerations for mold design in metal casting machinery?
- There are several key considerations for mold design in metal casting machinery. First and foremost, the mold design must take into account the desired shape and dimensions of the final metal casting. This includes determining the size and shape of the mold cavity, as well as any additional features such as cores or inserts. Another important consideration is the type of metal being cast. Different metals have different melting points and shrinkage rates, so the mold design must accommodate for these factors to ensure proper cooling and solidification of the metal. Additionally, the mold design must consider the overall production process and efficiency. This includes factors such as the number of molds needed, the ease of mold assembly and disassembly, and any necessary gating or venting systems to ensure proper flow of molten metal. Furthermore, considerations for mold material and durability are essential. The mold must be able to withstand the high temperatures and pressures involved in the casting process, as well as any abrasive or corrosive properties of the molten metal. Lastly, considerations for cost and maintenance should be taken into account. The mold design should aim for cost-effectiveness in terms of materials, manufacturing, and tooling, while also considering ease of maintenance and potential repairs or modifications. Overall, an effective mold design in metal casting machinery must balance various factors such as shape, material, production efficiency, durability, cost, and maintenance to ensure high-quality metal castings are produced efficiently and reliably.
- Q: What are the different types of casting defects that can occur in centrifugal casting?
- There are several types of casting defects that can occur in centrifugal casting. These defects can arise due to various factors such as improper mold design, inadequate control of process parameters, or material-related issues. Some common types of casting defects in centrifugal casting include: 1. Porosity: This defect occurs when there are voids or gas pockets formed within the casting. It can be caused by improper gating design, inadequate venting, or excessive turbulence during the casting process. 2. Shrinkage: Shrinkage defects occur when there is a reduction in the volume of the casting during solidification, resulting in voids or cavities within the structure. This defect can be caused by improper cooling or insufficient feeding. 3. Inclusions: Inclusions are foreign particles or impurities that get trapped within the casting during solidification. They can be caused by contamination of the molten metal, improper gating, or inadequate filtration. 4. Hot tearing: This defect occurs when differential cooling rates cause localized stress within the casting, resulting in cracks or fractures. It can be caused by improper mold design, inadequate feeding, or excessive temperature gradients. 5. Cold shuts: Cold shuts occur when the molten metal does not completely fuse together during solidification, resulting in a line or boundary between the two sections. This defect can be caused by improper gating or inadequate pouring techniques. 6. Surface defects: Surface defects include various imperfections on the surface of the casting such as roughness, pitting, or sand inclusions. These defects can be caused by mold erosion, improper mold coating, or inadequate mold release agents. 7. Dimensional inaccuracies: Dimensional defects occur when the final casting does not meet the desired specifications. This can be caused by variations in mold expansion, contraction, or improper control of process parameters. To minimize these defects, it is important to ensure proper mold design, use appropriate process parameters, and maintain good quality control throughout the centrifugal casting process. Regular inspections, proper maintenance of equipment, and adherence to quality standards can help in reducing and eliminating these casting defects.
- Q: How does metal casting machinery handle the removal of excess material from investment castings?
- A variety of processes are used by metal casting machinery to remove excess material from investment castings. One method involves using mechanical means like grinding, cutting, or machining. Specialized equipment, such as grinders or lathes, carefully removes any unwanted metal from the casting to ensure the final product meets the desired specifications. Another technique used for excess material removal is sandblasting or shot blasting. This process involves propelling fine abrasive particles at high speed onto the investment casting, effectively eliminating any excess metal or surface imperfections. Sandblasting or shot blasting is particularly useful for larger castings or intricate shapes where mechanical means may not be as effective. Chemical processes are also occasionally employed to remove excess material from investment castings. Chemical etching or pickling involves applying a solution to the casting to dissolve or erode away the unwanted metal. This method is highly effective for eliminating surface oxides or scale from the casting. Furthermore, heat treatment can be used to remove excess material from investment castings. Controlled heating and cooling cycles subject the casting to processes like annealing or stress relieving, selectively removing specific areas of excess material. Heat treatment not only aids in eliminating excess material but also enhances the mechanical properties of the casting. In summary, metal casting machinery combines mechanical, chemical, and thermal processes to handle the removal of excess material from investment castings. These methods guarantee that the final castings meet the desired specifications and are devoid of any imperfections or excess material.
- Q: How does metal casting machinery handle the removal of risers from the castings?
- Metal casting machinery typically handles the removal of risers from castings through various methods such as using cutting or grinding tools, hydraulic or mechanical presses, or even manual labor. The specific approach depends on the size and complexity of the casting, as well as the type of metal being used. Overall, the goal is to remove the excess material (riser) attached to the casting while minimizing any damage to the final product.
- Q: How are pouring devices controlled in metal casting machinery?
- Pouring devices in metal casting machinery are typically controlled through a combination of mechanical and automated systems. The main purpose of these devices is to accurately and efficiently pour molten metal into molds during the casting process. One common method of controlling pouring devices is through the use of mechanical valves or gates. These valves are manually operated, allowing the operator to open or close the flow of molten metal as needed. This manual control gives the operator a certain level of flexibility and precision in controlling the pouring process. However, as technology has advanced, many metal casting machinery now also incorporate automated systems to control pouring devices. These automated systems utilize sensors and actuators to ensure precise and consistent pouring of molten metal. For example, sensors can be used to measure the level of molten metal in a crucible or furnace, triggering the pouring device to open when the desired level is reached. In addition, automated pouring devices can be programmed to follow specific pouring patterns, ensuring accurate and repeatable pouring of molten metal into molds. This programming can be done through computer numerical control (CNC) systems, which allow for precise control of pouring parameters such as speed and volume. Furthermore, some metal casting machinery also utilize advanced technologies such as robotics to control pouring devices. These robotic systems can be programmed to handle the entire pouring process, from ladling molten metal to pouring it into molds, without the need for human intervention. This not only increases efficiency but also improves safety by reducing the risk of human error or exposure to hazardous conditions. Overall, pouring devices in metal casting machinery are controlled through a combination of mechanical valves, automated systems, and advanced technologies. These control methods ensure accurate, efficient, and repeatable pouring of molten metal, resulting in high-quality castings.
- Q: Can metal casting machinery be used for vacuum casting?
- Metal casting machinery has the capability to be utilized for vacuum casting, a process that entails the utilization of a vacuum to eradicate air and gases from the mold cavity before introducing molten metal into it. By doing so, the occurrence of porosity is eliminated, resulting in a more accurate and superior quality casting. For successful execution of vacuum casting, metal casting machinery necessitates specific elements and features. These encompass a vacuum chamber, a vacuum pump, and a sealing system that establishes an airtight environment. The vacuum chamber is where the mold is positioned, while the vacuum pump is employed to eliminate air and gases. The sealing system guarantees that no air infiltrates the chamber during the casting procedure. By implementing appropriate adjustments and enhancements, metal casting machinery can effectively perform vacuum casting. This facilitates enhanced casting quality, diminished defects, and superior control over the casting process. It is crucial to note that not all metal casting machinery may possess the essential capabilities for vacuum casting. Therefore, it is imperative to ensure that the machinery employed is purposefully designed or modified for this specific task.
- Q: How is the quality of metal castings ensured in machinery?
- Various techniques and processes are combined to ensure the quality of metal castings in machinery. To begin with, it is crucial to select high-quality raw materials. The specific type of metal alloy used and its composition greatly influence the final quality of the casting. By carefully choosing the appropriate materials and ensuring their purity, manufacturers can minimize defects and enhance overall quality. Moreover, close monitoring and control of the casting process are essential. This involves utilizing advanced technologies like computer-aided design (CAD) and computer-aided manufacturing (CAM) systems. These systems optimize the casting design, simulate and analyze the process, and identify potential issues or defects before casting occurs. Furthermore, modern casting methods such as investment casting or die casting allow for greater precision and control. These methods enable manufacturers to achieve complex shapes, tight tolerances, and superior surface finishes, resulting in improved quality. Additionally, quality control measures are implemented throughout the casting process. Non-destructive testing techniques like visual inspection, ultrasonic testing, magnetic particle testing, or X-ray inspection are employed to identify any internal or surface defects in the castings. This ensures that only high-quality components are used in machinery. Lastly, manufacturers often adhere to industry standards and certifications, such as ISO 9001, to maintain consistent quality. These standards define the requirements for quality management systems and contribute to a high level of quality control in the production of metal castings. In summary, the quality of metal castings in machinery is guaranteed through the careful selection of materials, the use of advanced technologies, strict control of the casting process, implementation of quality control measures, and adherence to industry standards. These practices collectively result in the production of reliable and high-quality metal castings for use in machinery.
- Q: Can metal casting machinery be used to make complex shapes?
- Metal casting machinery has the capability to produce intricate shapes. This versatile manufacturing process enables the creation of detailed parts. The machinery involved, including molds and patterns, can be designed to form molds with elaborate shapes and intricate details. These molds are subsequently filled with molten metal, which solidifies to replicate the mold's shape. Through the use of advanced technologies and skilled craftsmen, metal casting machinery can generate complex shapes with exceptional precision and accuracy. Consequently, metal casting is highly suitable for the production of intricate components utilized in diverse industries, including automotive, aerospace, and medical devices.
- Q: How is the casting inspected for pressure or leak tightness in metal casting machinery?
- In metal casting machinery, the inspection for pressure or leak tightness is typically done through a process called pressure testing. This involves subjecting the casting to a specific amount of pressure to check for any leaks or weak areas. There are several methods used to conduct pressure testing on metal castings. One commonly used technique is hydrostatic testing, where the casting is filled with water and pressurized. The pressure is gradually increased to a predetermined level, and any leaks or seepage are detected by observing for water escaping from the casting. Another method is pneumatic testing, where air or gas is used instead of water. The casting is pressurized with the gas, and any leaks or weaknesses are identified by monitoring for pressure drops or the presence of gas emissions. In addition to these methods, there are also advanced technologies available that utilize automated systems to inspect the casting for pressure or leak tightness. These systems use sensors and specialized equipment to detect any abnormalities and ensure the casting meets the required standards. Overall, the inspection for pressure or leak tightness in metal casting machinery is a critical step to ensure the quality and reliability of the castings. By employing various testing methods and advanced technologies, manufacturers can identify any potential issues and take necessary measures to rectify them, ensuring that the final product meets the desired specifications.
- Q: How does metal casting machinery handle the removal of distortion and warping from the castings?
- Metal casting machinery typically handles the removal of distortion and warping from castings through a combination of heat treatment and mechanical processes. Heat treatment involves subjecting the castings to controlled heating and cooling cycles to relieve internal stress and promote dimensional stability. Additionally, mechanical processes such as machining, grinding, or sandblasting may be employed to reshape or refine the castings, ensuring they meet the desired specifications and tolerances.
Send your message to us
Graphitic Steel 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
