Mill Rolls High Speed Steel Roller With Good 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.
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 sizes and capacities available for metal casting machinery?
- The diverse needs of different industries can be accommodated by metal casting machinery, which comes in various sizes and capacities. These machines' sizes and capacities depend on factors like the type of metal being cast, the complexity of the design, and the desired production output. If precision or smaller scale operations are required, compact metal casting machines are available. These machines are specifically designed for casting small to medium-sized components and can handle capacities ranging from a few grams to several kilograms. They are ideal for producing highly accurate castings with intricate details. Industries that require a moderate production output commonly use medium-sized metal casting machinery. These machines have larger capacities compared to compact ones and can handle casting weights ranging from several kilograms to a few tons. They are frequently utilized in the automotive, aerospace, and construction industries to produce various components such as engine parts, structural components, and decorative elements. For large-scale industrial applications, heavy-duty metal casting machinery is available. These machines have significantly larger capacities and can handle casting weights ranging from several tons to several hundred tons. They are commonly employed in foundries and heavy machinery manufacturing industries to produce large and complex castings like engine blocks, turbine components, and ship parts. It's important to note that the size and capacity of metal casting machinery can vary greatly among manufacturers and models. Therefore, businesses should carefully assess their specific casting requirements and consult with machinery suppliers to determine the most suitable size and capacity for their needs.
- Q:How are wax patterns made and assembled in metal casting machinery?
- The metal casting process relies heavily on wax patterns, which act as templates for the final metal products. Creating and assembling these wax patterns involves multiple steps and specialized machinery. To start, skilled artisans or engineers design a master pattern that represents the desired shape of the end product. This master pattern, usually made of durable materials like metal, serves as a template for producing multiple wax patterns. Once the master pattern is ready, a silicone mold is made by pouring liquid silicone rubber over it and allowing it to harden. This creates a negative impression of the master pattern in the mold. Next, molten wax is injected into the silicone mold using automated wax injection machines. The wax is heated to a specific temperature to ensure it flows smoothly into the mold and fills all the intricate details of the master pattern. As the molten wax cools and solidifies, it takes on the shape of the master pattern. The resulting wax patterns are carefully removed from the silicone molds to avoid any damage. The wax patterns are then inspected for defects and imperfections. Any flaws found are either fixed or discarded to ensure only high-quality patterns are used in the casting process. After inspection and repair, the wax patterns are attached to wax trees or sprues, which are designed to hold multiple patterns for more efficient casting. This is done using heated tools or adhesive wax. The assembled wax patterns on the sprue are then coated with a ceramic shell material through a process called investment casting. This ceramic shell provides a strong and heat-resistant mold for the metal casting process. Once the shell hardens, the wax patterns inside are melted, leaving behind hollow cavities identical to the original patterns. Finally, molten metal is poured into the ceramic shell mold, filling the cavities left by the melted wax patterns. After the metal solidifies and cools, the ceramic shell is broken away, revealing the final metal product. In summary, the process of making and assembling wax patterns for metal casting involves creating a master pattern, making silicone molds, injecting molten wax, removing the wax patterns, inspecting and repairing them, assembling them onto sprues, coating with ceramic shell material, melting the wax patterns, pouring molten metal, and breaking away the ceramic shell to reveal the finished product.
- Q:What is the expected lifespan of metal casting machinery?
- The expected lifespan of metal casting machinery can vary depending on several factors, including the quality of the machinery, the level of maintenance and care it receives, and the operating conditions it is exposed to. Generally, metal casting machinery is designed and built to withstand heavy use and can last for several decades if properly maintained. High-quality machinery that is well-maintained can have an expected lifespan of 20-30 years or even longer. However, it is important to note that certain components of metal casting machinery may have a shorter lifespan and may require more frequent replacements or repairs. These components, such as molds, crucibles, and heating elements, are subject to wear and tear due to the extreme temperatures and forces involved in the metal casting process. Regular maintenance and inspections are crucial to ensure the longevity of metal casting machinery. This includes routine cleaning, lubrication, and calibration, as well as addressing any issues or malfunctions promptly. By following recommended maintenance schedules and guidelines provided by the manufacturer, the lifespan of metal casting machinery can be significantly extended. In some cases, technological advancements or changes in the industry may also contribute to the replacement of metal casting machinery before its expected lifespan. Newer models with improved efficiency, precision, or automation may become available, prompting businesses to upgrade their equipment to stay competitive. Overall, while the expected lifespan of metal casting machinery can vary, investing in high-quality machinery, providing proper maintenance, and staying updated with industry advancements can help maximize its lifespan and ensure efficient and reliable metal casting operations.
- Q:What is the role of pouring equipment in metal casting machinery?
- The role of pouring equipment in metal casting machinery is to facilitate the controlled and precise pouring of molten metal into molds. This equipment ensures that the liquid metal is distributed evenly and accurately, helping to produce high-quality castings with minimal defects or inconsistencies. Additionally, pouring equipment helps to enhance worker safety by minimizing the risk of splashes or spills during the casting process.
- Q:What are the considerations for trimming and finishing processes in metal casting machinery?
- There are several considerations for trimming and finishing processes in metal casting machinery. Firstly, the type of metal being cast plays a significant role in determining the appropriate trimming and finishing techniques. Different metals may require specific tools and methods to achieve the desired results. Secondly, the complexity and intricacy of the casting design also need to be taken into account. Complex designs may require more intricate trimming and finishing processes to ensure all the details are properly executed. Additionally, the desired surface finish and precision of the final product are important factors. Some casting applications may require a smooth and polished surface, while others may require a rougher texture. Finally, the overall cost and time constraints should be considered. Certain trimming and finishing techniques may be more time-consuming and expensive, so a balance between quality and cost-efficiency must be achieved.
- Q:How are the defects related to mold filling prevented in metal casting machinery?
- Various measures and techniques can be employed to prevent defects associated with mold filling in metal casting machinery. The industry relies on common practices to avoid such defects, as outlined below: 1. The prevention of defects relies heavily on the design and gating system of the mold. Proper dimensions, wall thickness, and appropriate placement of gates, runners, and vents are crucial. A well-designed gating system ensures smooth and uniform mold filling, reducing the likelihood of defects. 2. The quality of the mold and cores used in metal casting machinery is of utmost importance. High-quality molds and cores with excellent thermal stability and permeability aid in achieving consistent mold filling, minimizing defects such as porosity and shrinkage. 3. The pouring temperature of the molten metal must be carefully controlled. Excessively high temperatures can cause rapid mold filling, leading to turbulent flow and defects like misruns and cold shuts. Conversely, excessively low temperatures can result in incomplete mold filling and cold spots. 4. Applying suitable mold coatings and release agents can enhance mold filling. These coatings reduce metal/mold interaction, preventing defects such as metal penetration and sand burn-on. 5. Adequate venting is essential to allow gases to escape during mold filling. Insufficient venting can result in defects such as gas porosity and blowholes. Additionally, risers or feeders are used to supply extra molten metal, compensating for shrinkage during solidification and preventing defects like shrinkage porosity and misruns. 6. Advanced technologies such as computer-aided design (CAD), computer-aided engineering (CAE), and simulation software can optimize the casting process. These tools identify potential defects in advance, enabling adjustments in mold design and casting parameters to prevent them. 7. Regular quality control checks and inspections throughout the casting process are crucial for defect identification. This allows for timely corrective actions and adjustments to prevent further defects in subsequent castings. By implementing these preventive measures and adhering strictly to quality standards, defects related to mold filling in metal casting machinery can be significantly minimized, resulting in high-quality castings.
- Q:How does metal casting machinery handle the recycling and reuse of materials?
- Metal casting machinery is designed to efficiently handle the recycling and reuse of materials. Through various processes such as melting, refining, and pouring, the machinery is able to transform scrap metal and other recyclable materials into new castings. This helps to reduce waste and conserve resources, ultimately promoting sustainability in the metal casting industry.
- Q:What are the different types of non-destructive evaluation methods used in metal casting machinery?
- There are several different types of non-destructive evaluation methods used in metal casting machinery. These methods allow for the examination and assessment of the integrity and quality of metal castings without causing any damage to the part being inspected. Some of the commonly used non-destructive evaluation methods in metal casting machinery include: 1. Visual Inspection: This is the most basic and commonly used method, where the inspector visually examines the surface of the metal casting for any visible defects such as cracks, porosity, or surface irregularities. 2. Radiographic Testing: This method involves the use of X-rays or gamma rays to inspect the internal structure of the metal casting. Radiographic testing can detect defects like voids, inclusions, or cracks that may not be visible to the naked eye. 3. Ultrasonic Testing: Ultrasonic waves are used to inspect the internal structure of the metal casting. A transducer is used to generate high-frequency sound waves that pass through the casting and produce echoes. These echoes are then analyzed to detect any internal defects or discontinuities. 4. Magnetic Particle Testing: This method is particularly useful for detecting surface cracks or defects in ferrous materials. Magnetic particles are applied to the surface of the casting, and a magnetic field is applied. Any defects in the casting cause a leakage field, which attracts the magnetic particles and makes the defect visible. 5. Liquid Penetrant Testing: This method is used to detect surface defects such as cracks, porosity, or leaks. A liquid penetrant is applied to the surface of the casting, and after a certain period, excess penetrant is removed. A developer is then applied, which draws out the penetrant from any surface defects, making them visible. 6. Eddy Current Testing: This method uses electromagnetic induction to detect surface and near-surface defects in conductive materials. A coil carrying an alternating current is placed near the surface of the casting, and any changes in the electrical conductivity or magnetic properties caused by defects are detected. These non-destructive evaluation methods are crucial in ensuring the quality and integrity of metal castings produced by machinery. By identifying and assessing any defects or discontinuities, these methods help to prevent failures, improve safety, and ensure the reliability of the final product.
- Q:What are the different types of auxiliary equipment and accessories used with metal casting machinery?
- There are several different types of auxiliary equipment and accessories that are commonly used with metal casting machinery. These additional tools and devices are designed to enhance the performance and efficiency of the casting process, ensuring high-quality and accurate results. Some of the most commonly used auxiliary equipment and accessories in metal casting machinery include: 1. Ladles: Ladles are used to transfer molten metal from the furnace to the casting mold. They come in various sizes and shapes, depending on the specific casting requirements. 2. Crucibles: Crucibles are containers made of refractory materials such as graphite or ceramic that hold the molten metal during the casting process. They are designed to withstand high temperatures and prevent contamination. 3. Molds and patterns: Molds and patterns are used to shape the molten metal into the desired form. Molds can be made from various materials, including sand, plaster, or metal. Patterns are used to create the mold cavity and can be made from wood, plastic, or metal. 4. Core boxes: Core boxes are used to create hollow spaces or cavities within the casting. They are typically made from metal or wood and are used in processes like sand casting or investment casting. 5. Shakeout equipment: Shakeout equipment is used to remove the sand or other casting material from the finished product after it has solidified. This equipment can be mechanical, pneumatic, or vibratory, depending on the specific requirements. 6. Cooling equipment: Cooling equipment, such as water-cooled jackets or chillers, is used to control the cooling rate of the casting to prevent defects like shrinkage or cracking. 7. Sprue cups and runners: Sprue cups and runners are used to direct the flow of molten metal into the mold cavity. They are typically made from refractory materials to withstand the high temperatures. 8. Venting systems: Venting systems are used to allow gases to escape from the mold cavity during the casting process. This helps prevent porosity and other defects in the final casting. 9. Heat treatment equipment: Heat treatment equipment, such as heat ovens or furnaces, is used to modify the mechanical properties of the finished casting, such as hardness or strength. 10. Safety equipment: Safety equipment, such as protective clothing, gloves, and eyewear, is essential when working with metal casting machinery to ensure the safety of operators and workers. These are just a few examples of the auxiliary equipment and accessories used with metal casting machinery. The specific equipment required will vary depending on the casting method, material, and desired outcome. It is important to use the appropriate equipment and accessories to ensure the highest quality and efficiency in the metal casting process.
- Q:How is the waste material managed in metal casting machinery?
- In metal casting machinery, waste material is typically managed through various techniques such as recycling and disposal. The waste material, including excess metal scraps, sprues, and runners, is often collected and recycled to be reused in the casting process. Additionally, any non-recyclable waste is disposed of according to environmental regulations and guidelines to minimize its impact on the environment.
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Mill Rolls High Speed Steel Roller With Good 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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