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
OKorder Service Pledge
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.
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: How is the casting machined and finished after heat treatment in metal casting machinery?
- After heat treatment in metal casting machinery, the casting is typically machined and finished using various processes. This includes operations such as grinding, polishing, milling, and drilling, which help achieve the desired shape, smoothness, and dimensional accuracy of the final product. Machining removes excess material, refines the surface finish, and creates any necessary holes or features. Additionally, finishing techniques like sandblasting or coating may be applied to enhance the aesthetics or corrosion resistance of the casting. Overall, the casting undergoes precision machining and finishing to meet the required specifications and quality standards.
- Q: What are the common melting methods used with metal casting machinery?
- The common melting methods used with metal casting machinery include electric arc furnace melting, induction melting, and cupola melting.
- Q: Can metal casting machinery be used for the production of valve components?
- Metal casting machinery is capable of producing valve components. This manufacturing process involves pouring molten metal into a mold to form the desired shape. It is commonly used in the production of various industrial components, including valve components. Valve bodies, discs, and stems can be efficiently manufactured using metal casting machinery. This process allows for the creation of intricate designs and complex shapes, ensuring that the valve components meet required specifications and performance standards. Metal casting machinery offers a wide range of material options for valve component production. Different metals, such as iron, steel, aluminum, and brass, can be melted and poured into molds to create valve components with specific properties, including strength, corrosion resistance, and heat resistance. Additionally, metal casting machinery enables the production of valve components in large quantities, making it suitable for high-volume manufacturing. This process is cost-effective, as it eliminates the need for extensive machining or fabrication, thus reducing labor and material costs. In conclusion, metal casting machinery is a reliable and efficient method for producing valve components. It provides flexibility in terms of shapes, materials, and quantities produced.
- Q: How do you choose the right pattern for a specific casting project?
- To make an informed decision when selecting a pattern for a casting project, careful consideration and evaluation of various factors are necessary. Here are some steps that can assist you in this process: 1. Thoroughly comprehend project requirements: Begin by fully understanding the specifications and demands of the casting project. Take into account factors such as material, size, complexity, and desired finish of the final product. These considerations will aid in determining the appropriate pattern and casting method. 2. Assess pattern materials: Depending on the project, patterns can be crafted from a variety of materials, including wood, metal, or plastic. Evaluate the advantages and disadvantages of each material, taking into account factors like durability, cost, and ease of fabrication. Select a material that aligns with the specific project requirements and budget. 3. Evaluate pattern complexity: Analyze the intricacy and complexity of the casting design. If the project involves complex geometries or intricate details, a more advanced pattern-making technique, such as 3D printing or CNC machining, may be necessary. Simpler designs can be achieved using traditional pattern-making methods. 4. Determine quantity and timeline: Establish the required quantity of castings and the project timeline. For low-volume production or prototyping, a single-use pattern may be sufficient and cost-effective. However, for high-volume production, a more durable pattern capable of producing multiple castings may be necessary. 5. Consider cost and budget: Evaluate the cost implications of pattern-making materials, equipment, and fabrication techniques. Take into account the initial investment, maintenance costs, and expected lifespan of the pattern. Balancing these factors with the project budget will allow you to choose the most cost-effective pattern option. 6. Seek expert advice if necessary: If you are new to casting or uncertain about pattern selection, consider consulting experienced professionals or pattern suppliers. They can offer valuable insights and recommendations based on their expertise and knowledge of specific casting processes. 7. Test and iterate: Before finalizing the pattern, it is advisable to create a prototype or conduct a small-scale casting trial. This will enable you to evaluate the pattern's performance, identify any flaws or required improvements, and make necessary adjustments before proceeding with full-scale production. Remember, selecting the appropriate pattern for a specific casting project requires a combination of technical knowledge, careful evaluation of project requirements, and consideration of cost and timeline constraints. Devoting time to making an informed decision will greatly contribute to the success of your casting project.
- Q: How are castings heat treated in metal casting machinery?
- In metal casting machinery, castings are heat treated using various methods depending on the specific requirements and properties desired for the final product. Heat treatment is a crucial step in the casting process as it helps enhance the mechanical properties, improve the metallurgical structure, and eliminate any internal stresses within the castings. One common heat treatment method used in metal casting is known as annealing. Annealing involves heating the castings to a specific temperature and then slowly cooling them down. This process allows the castings to undergo a controlled transformation, resulting in improved ductility, reduced hardness, and minimized internal stresses. Annealing is often used to soften the castings and make them more machinable. Another heat treatment technique employed in metal casting is quenching. Quenching involves rapidly cooling the castings by immersing them in a liquid or air. This rapid cooling process helps achieve a high level of hardness and strength in the castings. Quenching is commonly used for castings that require superior wear resistance, such as those used in tooling or machine components. Tempering is another heat treatment method used in metal casting machinery. After quenching, the castings are heated to a specific temperature and then slowly cooled. This process helps reduce the brittleness caused by quenching while maintaining the desired hardness and strength. Tempering is often used for castings that require a balance between hardness and toughness, such as automotive components or industrial machinery parts. Furthermore, stress relieving is frequently employed as a heat treatment process for castings. Stress relieving involves heating the castings to a specific temperature and holding them at that temperature for a certain period. This process helps eliminate residual stresses that may have formed during the casting process, resulting in improved dimensional stability and reduced risk of cracking or distortion. In summary, heat treatment in metal casting machinery is a crucial step in the production of high-quality castings. Whether it is through annealing, quenching, tempering, or stress relieving, each heat treatment method plays a critical role in achieving the desired mechanical properties and metallurgical structure for the castings. By carefully controlling the heating and cooling processes, metal casters can enhance the performance and durability of the final products.
- Q: What are some factors that affect the cost of metal casting machinery?
- The cost of metal casting machinery can be affected by various factors. One crucial factor to consider is the size and capacity of the machinery. Larger machinery with higher capacity tends to be more expensive due to the need for additional materials and components to handle larger volumes of metal. Another factor that plays a role in determining the cost is the complexity and precision of the machinery. Machinery with advanced technology and intricate design features generally comes with a higher price tag. This is because the manufacturing process for such machinery may involve extra steps and require more sophisticated equipment. The quality and durability of the materials used in constructing the machinery also impact its cost. Machinery made from high-quality materials like stainless steel or high-grade alloys tends to be more expensive due to their increased strength, longevity, and resistance to wear and tear. Furthermore, the level of automation and technological advancements incorporated into the machinery can affect its cost. Machinery that utilizes advanced automation systems, computer numerical control (CNC) technology, or robotic systems will generally have a higher price due to the enhanced precision, efficiency, and productivity they offer. Lastly, market demand and competition within the industry can influence the cost of metal casting machinery. If there is high demand for a particular type of machinery, manufacturers may increase their prices. Conversely, intense competition among machinery suppliers may lead to lower prices as manufacturers try to attract customers. In conclusion, the cost of metal casting machinery is influenced by factors such as size and capacity, complexity and precision, quality of materials, level of automation, and market demand and competition. It is crucial for businesses to carefully evaluate their specific needs and consider these factors when purchasing metal casting machinery to ensure they receive the best value for their investment.
- Q: What is the role of robotics in metal casting machinery?
- The role of robotics in metal casting machinery is significant and has revolutionized the efficiency and precision of the casting process. Robotics are used in various aspects of metal casting machinery, including mold making, pouring, and finishing operations. In mold making, robots are employed to create the molds required for casting. These robots are equipped with advanced software and tools to accurately and quickly shape the molds, reducing the time and effort required compared to traditional manual methods. This automation ensures consistent mold quality and reduces human error. During the pouring phase, robots take over the task of handling and pouring molten metal into the molds. This eliminates the need for human workers to be exposed to the high temperatures and potential hazards associated with molten metal, ensuring a safer working environment. Additionally, robots can precisely control the pouring process, resulting in consistent casting quality and minimizing defects. Robotic systems also play a crucial role in the finishing operations of metal casting. They can be programmed to perform tasks such as removing excess material, sandblasting, grinding, and polishing. By automating these labor-intensive and repetitive tasks, robots increase efficiency, speed, and accuracy, ultimately reducing costs and improving the overall quality of the finished product. Furthermore, robotics in metal casting machinery enable enhanced flexibility and adaptability. Robots can be programmed to handle different types and sizes of molds, accommodating various casting requirements without the need for extensive retooling or manual adjustments. This versatility allows for increased production capabilities and the ability to respond quickly to changing customer demands. Overall, the integration of robotics in metal casting machinery has transformed the industry by improving productivity, consistency, and safety. These advanced technologies enable manufacturers to produce high-quality castings at a faster pace, with greater precision, and with reduced costs, ultimately leading to increased competitiveness in the global market.
- Q: Can metal casting machinery be used for the production of electrical components?
- Yes, metal casting machinery can be used for the production of electrical components. Metal casting allows for the production of complex shapes and precision parts, which are essential for the manufacturing of electrical components like connectors, terminals, and housings. Additionally, metal casting provides durability and strength to these components, making it an ideal manufacturing process for electrical applications.
- Q: How is the casting inspected for chemical composition in metal casting machinery?
- The casting is inspected for chemical composition in metal casting machinery through various methods such as spectroscopy, X-ray fluorescence (XRF), and optical emission spectrometry (OES). These techniques allow for the accurate analysis of the metal's elemental composition, ensuring that it meets the desired specifications and quality standards.
- Q: What are the common defects that can occur in die casting using metal casting machinery?
- There are several common defects that can occur in die casting using metal casting machinery. These defects can greatly affect the quality and functionality of the cast parts. Some of the most common defects include: 1. Porosity: This is one of the most common defects in die casting. It occurs when the molten metal solidifies and traps gas bubbles within the casting. Porosity can weaken the structure and reduce the overall mechanical properties of the part. 2. Shrinkage: Shrinkage defects occur when the molten metal solidifies and contracts, causing voids or gaps within the casting. This defect can result in dimensional inaccuracies and reduced strength. 3. Cold shuts: Cold shuts occur when two streams of molten metal do not properly fuse together during solidification. This defect creates a visible line on the surface of the casting, which can compromise its structural integrity. 4. Flash: Flash is the excess material that is squeezed out between the two halves of the die during the casting process. It can be caused by excessive injection pressure or misalignment of the die halves. Flash needs to be removed, as it can affect the functionality and aesthetics of the final part. 5. Misruns: Misruns occur when the molten metal fails to completely fill the cavity of the die, resulting in an incomplete casting. This defect can be caused by inadequate injection pressure, improper gating design, or insufficient pouring temperature. 6. Inclusions: Inclusions are foreign particles, such as oxides or impurities, that become trapped within the casting during the die casting process. They can weaken the structure and cause localized stress concentrations. 7. Warpage: Warpage is the distortion or deformation of the casting due to uneven cooling or inadequate ejection from the die. It can result in dimensional inaccuracies and affect the overall performance of the part. To minimize these defects, proper process control and monitoring are essential. Factors such as temperature, pressure, and injection speed need to be carefully controlled to ensure a successful die casting operation. Regular inspections and quality control measures should also be in place to detect and address any potential defects during the production process.
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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
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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