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
- Option:
- 650X1780X5540; 650X1780X5540; 680X2080X5920
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Quality Product, Order Online Tracking, Timely Delivery
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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.
The factories of CNBM invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on three projects, production line of centrifugal casting rolls for hot strip and plate mill, forged roll for cold/hot strip mill, national class technology center and roll material lab. Through upgrade transformation, the following targets have been achideved:
(1)It becomes the world's biggest specialized mill roll maker with the largest production scale, the most complete specifications of products and the most extensive coverage of various rolls used on rolling mill.
(2) The technology of equipments has reached international leading level.
(3) "Mechanization, automation, intellectualization, digitization" of equipments obviously improve the quality control ability.
(4) New types of research instruments improve the R&D capacity of products.
Customers Visit
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your requirement.
- Q:What are the different types of surface treatments applied to castings produced by metal casting machinery?
- There are several different types of surface treatments that can be applied to castings produced by metal casting machinery. These treatments are designed to improve the overall appearance, functionality, and durability of the castings. One common type of surface treatment is called polishing. This involves the use of abrasive materials to remove any rough or uneven surfaces on the casting, resulting in a smooth and shiny finish. Polishing is often used to enhance the aesthetic appeal of castings and make them more visually appealing. Another type of surface treatment is called painting or coating. This involves applying a layer of paint or coating material to the surface of the casting. The paint or coating can provide protection against corrosion, improve the casting's resistance to wear and tear, and enhance its overall durability. Different types of paints or coatings can be used depending on the specific requirements of the casting and the intended application. In addition to polishing and painting, there are other surface treatments that can be applied to castings. One such treatment is called shot blasting. This involves propelling small metal or abrasive particles at high speeds onto the surface of the casting. The impact of the particles helps to remove any impurities, scale, or oxide layers on the surface, resulting in a cleaner and more uniform appearance. Another surface treatment option is called plating or electroplating. This involves depositing a thin layer of metal onto the surface of the casting using an electrochemical process. Plating can improve the casting's corrosion resistance, enhance its aesthetic appeal, and provide a protective barrier against environmental factors. Furthermore, there are specialized surface treatments available for specific applications. For instance, castings used in high-temperature environments may undergo heat treatment, which involves subjecting the casting to controlled heating and cooling cycles to improve its mechanical properties and resistance to thermal stress. Overall, the choice of surface treatment for castings produced by metal casting machinery depends on factors such as the desired appearance, functionality, and intended application of the castings. By selecting the appropriate surface treatment, manufacturers can ensure that their castings meet the required standards and provide optimal performance in various industries.
- Q:How can metal casting machinery be used for rapid prototyping?
- Metal casting machinery can be used for rapid prototyping by using a process called investment casting or lost-wax casting. This process involves creating a wax model of the desired part or product, which is then coated in a ceramic shell. Once the ceramic shell is dried, it is heated to melt and remove the wax, leaving behind a hollow cavity in the shape of the desired part. Next, molten metal is poured into the ceramic shell, filling the cavity and taking the shape of the original wax model. Once the metal has solidified, the ceramic shell is broken away, revealing the final metal prototype. Metal casting machinery is ideal for rapid prototyping because it allows for the quick and efficient production of complex metal parts with high precision and accuracy. The process can be completed in a relatively short amount of time, allowing for multiple iterations and adjustments to be made in a quick succession. Additionally, metal casting machinery offers the advantage of being able to use a wide range of metals and alloys, including aluminum, steel, brass, and bronze. This versatility allows for the production of prototypes that closely resemble the final product in terms of material properties and performance. Moreover, metal casting machinery enables the production of prototypes with intricate details and complex geometries that may be difficult or impossible to achieve using other prototyping methods. This makes it an excellent choice for industries such as aerospace, automotive, and tooling, where complex and precise parts are often required. In conclusion, metal casting machinery can be used for rapid prototyping by employing investment casting or lost-wax casting processes. This enables the quick and cost-effective production of metal prototypes with high precision, complex geometries, and a wide range of material options.
- Q:How do you protect your equipment and assets against potential damages and liabilities?
- Any organization must prioritize the protection of their equipment and assets from potential damages and liabilities. Here are several approaches that can be adopted to guarantee their safety: 1. Insurance: It is crucial to acquire comprehensive insurance coverage to safeguard equipment and assets. This may involve property insurance, liability insurance, and business interruption insurance, among other types. Sufficient coverage will aid in minimizing financial losses in the event of accidents, theft, or natural disasters. 2. Regular maintenance: The implementation of a proactive maintenance program is vital to prevent equipment breakdowns and minimize potential damages. Regular inspections, repairs, and servicing can extend the lifespan of equipment and decrease the likelihood of accidents or unexpected failures. 3. Security measures: The installation of security systems, such as surveillance cameras, alarms, and access control systems, can act as deterrents against theft and vandalism. Moreover, the implementation of proper physical security measures, like locked gates, fences, and secure storage facilities, can help protect assets from unauthorized access. 4. Employee training: Educating employees on proper equipment handling, maintenance procedures, and safety protocols is crucial in preventing accidents and minimizing liabilities. Regular training sessions and safety drills can reinforce the importance of adhering to established guidelines and raise awareness of potential risks. 5. Backup and data protection: In the digital era, safeguarding digital assets and data is equally important. Regularly backing up critical files and data, implementing cybersecurity measures, and utilizing firewalls and antivirus software can aid in preventing data breaches and minimizing potential liabilities associated with data loss or theft. 6. Risk assessments: Conducting regular risk assessments can aid in identifying potential hazards and vulnerabilities within the organization. By recognizing and addressing these risks, proactive measures can be taken to minimize their impact and protect equipment and assets from potential damages and liabilities. 7. Emergency response plan: Developing a comprehensive emergency response plan is essential to minimize the impact of unforeseen events. This plan should outline clear procedures to follow in case of emergencies, including steps to protect equipment and assets, and ensure employee safety. By implementing these strategies, organizations can significantly reduce the risks associated with potential damages and liabilities, thus ensuring the protection and longevity of their equipment and assets.
- Q:How is the casting cleaned and finished after the casting process in metal casting machinery?
- After the casting process in metal casting machinery, the casting is typically cleaned and finished through various methods. These methods include removing excess material or burrs, smoothing the surface, and ensuring proper dimensions and tolerances. Common cleaning techniques involve grinding, sanding, or shot blasting to remove any remaining impurities or imperfections. Finishing processes like polishing or coating may also be applied to enhance the appearance and protect the casting from corrosion. Overall, the cleaning and finishing steps aim to achieve a high-quality, visually appealing, and functional final product.
- Q:What are the different types of finishing processes used with metal casting machinery?
- Metal casting machinery commonly utilizes various finishing processes to enhance the surface quality, dimensional accuracy, and overall appearance of cast metal parts. Among the frequently employed finishing processes are: 1. Grinding: By employing an abrasive wheel or belt, grinding eradicates excess material from the metal part's surface. This process aims to eliminate rough edges and imperfections. 2. Sanding: Similar to grinding, sanding employs a finer abrasive material to achieve a smoother finish. It is often employed to eliminate any remaining rough spots or burrs on the part's surface. 3. Polishing: To attain a high-gloss finish, polishing employs either a polishing wheel or a polishing compound. This process enhances the part's aesthetic appeal, giving it a more professional appearance. 4. Deburring: Deburring aims to eliminate sharp edges or burrs that may have formed during the casting process. This process improves the part's safety and ensures it is free from potential hazards. 5. Shot blasting: Shot blasting involves propelling small metal particles at high speeds onto the metal part's surface. It eliminates scale, rust, or other contaminants, leaving the part clean and ready for subsequent finishing processes. 6. Painting or coating: This process entails applying a layer of paint or protective coating onto the metal part's surface. It enhances the part's appearance and protects it from corrosion or other forms of damage. These examples represent only a few of the numerous finishing processes available for metal casting machinery. The selection of which process to employ depends on factors such as the desired finish, the type of metal used, and the specific requirements of the part at hand.
- Q:How does metal casting machinery handle the removal of surface oxides from the castings?
- The process of surface cleaning or descaling is crucial for metal casting machinery to eliminate surface oxides from castings, as these oxides can have a negative impact on the castings' quality and integrity. Metal casting machinery utilizes various methods to eliminate surface oxides. One commonly used approach is shot blasting, where high-velocity small steel or iron particles, called shot, are propelled onto the casting's surface. The shot particles effectively break down and remove the oxide layers. Shot blasting can be performed either manually or automatically using specialized machinery. Chemical cleaning is another effective method employed. In this approach, the castings are submerged in a chemical solution that reacts with the oxide layers, dissolving them. Chemical cleaning is especially useful for eliminating heavy oxide layers or stubborn oxides that are difficult to remove mechanically. Furthermore, mechanical cleaning methods like grinding, sanding, or wire brushing can be used to physically eliminate oxide layers from the casting's surface. These methods are often combined with shot blasting or chemical cleaning to ensure thorough oxide removal. In certain cases, heat treatment processes can also aid in oxide removal. The application of heat causes the oxide layers to break down, making them more easily removable through mechanical or chemical cleaning methods. In summary, metal casting machinery implements a combination of mechanical, chemical, and heat treatment methods to handle the removal of surface oxides from castings. This guarantees that the castings achieve the desired surface finish and fulfill the required quality standards.
- Q:How do you advance your career and stay competitive in a rapidly evolving market?
- To advance your career and stay competitive in a rapidly evolving market, it is crucial to continuously update your skills, stay informed about industry trends, and foster a growth mindset. Here are some strategies that can help you navigate this dynamic environment: 1. Embrace lifelong learning: Invest in professional development by attending workshops, taking online courses, or pursuing advanced degrees. This will enable you to acquire new skills and stay up-to-date with the latest industry developments. 2. Stay informed: Regularly read industry publications, follow thought leaders on social media, and join relevant professional networks. This will help you understand emerging trends, technological advancements, and market shifts, allowing you to anticipate changes and adapt accordingly. 3. Network strategically: Establishing meaningful connections with colleagues, mentors, and industry influencers can provide valuable insights, career guidance, and potential opportunities. Attend industry conferences, engage in online forums, and participate in networking events to expand your professional network. 4. Seek feedback and mentorship: Actively seek feedback from your supervisors, colleagues, and clients to identify areas for improvement and opportunities to grow. Additionally, find a mentor who can offer guidance, share their experiences, and provide valuable advice to help you navigate your career path. 5. Develop transferable skills: In a rapidly evolving market, it is essential to develop transferable skills that can be applied across industries. Skills such as critical thinking, problem-solving, adaptability, and effective communication are highly valued and can help you thrive in any environment. 6. Embrace innovation and technology: Stay abreast of emerging technologies relevant to your field and explore how they can be integrated into your work. Embracing innovation will not only enhance your productivity but also demonstrate your willingness to adapt and stay ahead of the curve. 7. Emphasize continuous improvement: Foster a growth mindset by continuously seeking opportunities to improve and learn from failures. Embrace challenges, take on new responsibilities, and consistently strive for excellence. Demonstrating a commitment to self-improvement will make you a sought-after professional in any rapidly evolving market. Remember, success in a rapidly evolving market requires a proactive approach to learning, adaptability, and a willingness to embrace change. By continuously honing your skills, staying informed, and fostering a growth mindset, you can advance your career and remain competitive in this dynamic landscape.
- Q:What are the considerations for gas removal and extraction in metal casting machinery?
- There are several considerations for gas removal and extraction in metal casting machinery. Firstly, the type and amount of gases produced during the casting process need to be identified and understood. This includes identifying the source of the gases, such as from the melt or from the mold, and knowing their composition and potential hazards. Secondly, the design and setup of the gas removal system should be considered. This includes determining the appropriate location for gas extraction points, ensuring proper ventilation and air flow, and selecting suitable equipment such as hoods, ducts, and fans. The system should be designed to effectively capture and remove gases from the casting operation, preventing their release into the surrounding environment. Additionally, consideration should be given to the treatment and disposal of the extracted gases. Depending on their composition and potential hazards, the gases may need to be treated before being released into the atmosphere or disposed of in a safe manner. This may involve using filters, scrubbers, or other gas treatment methods to remove pollutants or harmful substances. Overall, the considerations for gas removal and extraction in metal casting machinery involve identifying the gases produced, designing an effective extraction system, and ensuring proper treatment and disposal of the extracted gases to maintain a safe and environmentally friendly casting operation.
- Q:What are the common defects that can occur in vacuum casting using metal casting machinery?
- Vacuum casting using metal casting machinery can encounter several common defects. These defects encompass: 1. Porosity: Trapped air or gas within the molten metal during casting can cause weak spots or voids in the final product. 2. Shrinkage: Uneven cooling and contraction of the molten metal can lead to cracks or voids in the casting. 3. Inclusions: Foreign materials like oxides or impurities can become trapped in the casting, affecting its structural integrity and appearance. 4. Cold shuts: When two streams of molten metal fail to fuse during casting, a visible line or seam may appear on the surface. 5. Misruns: Incomplete filling of the mold cavity results in undersized or incomplete castings. 6. Warping: Uneven cooling or improper mold design can cause distortion or bending in the final product. 7. Surface roughness: Improper mold preparation, gating, or pouring techniques can lead to an uneven or rough surface finish. To minimize these defects, close monitoring and control of casting process parameters such as temperature, pressure, and cooling rate are crucial. Employing proper mold design, gating systems, and quality control measures can also help mitigate the occurrence of these defects.
- Q:What is the process of metal casting using machinery?
- The process of metal casting using machinery involves several steps. First, a pattern or mold is created, typically made of wood, plastic, or metal. This pattern is then placed in a flask, which is a box-like container. Next, sand is packed around the pattern to create a mold cavity. Once the sand is properly packed, the pattern is removed. The mold is then prepared for pouring. This involves creating channels, called sprues and gates, to allow molten metal to flow into the mold cavity. The mold is then closed and securely clamped. Molten metal is then poured into the mold cavity through the sprue opening. The metal fills the cavity, taking the shape of the pattern. The metal is left to cool and solidify for a certain period of time, depending on the type of metal and its thickness. Once the metal has solidified, the mold is opened, and the casting is removed. Excess material, such as the sprue and gates, is trimmed off. The casting may undergo additional processes like machining, heat treatment, or surface finishing to achieve the desired final product. Overall, metal casting using machinery involves creating a mold, pouring molten metal into the mold, allowing it to cool and solidify, and then removing and finishing the casting.
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Send your message to us
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
- 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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