Product Description
Company Profile
CNBM International Corporation (CNBM International) is the most important trading platform of CZPT 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 4 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 |
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| Alloy forged steel | D≤¢2000, W≤75t |
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| 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, scHangZhou 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
Machining Equipment
The factories of CZPT invested 2.3 billion RMB for large-scale
CNBM international Corporation has completed equipment and technology upgrade transformation, which was concentrated on 3 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.
| Type: | Rolling Machine |
|---|---|
| Forging Forming Method: | Mold Forging |
| Feature: | High Efficiency |
| Certification: | CCC, ISO9001, CE |
| Warranty: | 12 Months |
| Customized: | Customized |
| Customization: |
Available
| Customized Request |
|---|
Shaft Collar
A shaft collar is a common machine component that provides mechanical support to shafts. It is found in motors and gearboxes and serves several important functions. Its design makes it an easy component to install. In addition to providing mechanical support to shafts, shaft collars can also serve as locating components and bearing faces.
Sizes
Shaft collars are complex components with several factors that determine their performance. Typical considerations include the style, materials used, bore size, and shaft geometry. Manufacturers typically have information on these factors on their websites. Users can also contact them for advice. These components are available in different sizes and types.
Shaft collars are available in a wide range of sizes, from 1/8 inch to six inches. They can also be re-bored if necessary. There are two main types of shaft collars. The basic one uses set screws, which may mar the shaft. The other type features a clamp screw and a hinge on one side. This eliminates the risk of losing screws.
The most common types of shaft collars are made from steel or aluminum. Plastic shaft collars are lightweight and inexpensive, but have reduced holding power. Steel shaft collars are more durable and hold their shape without bending. They also tend to be corrosion resistant. The steel grades used can have a big impact on their performance. For example, the 12L14 alloy is easier to machine, but does not do well in welding applications. Stainless steel shaft collars offer enhanced corrosion resistance, but reduced holding power. They are most commonly made from 304 stainless steel.
Shaft collars are an integral part of many mechanical systems. They are used to mount shafts onto flat surfaces and hold mechanical components in place. These accessories are available in a wide range of sizes and styles. Depending on the application, a shaft collar can be made to fit virtually any shaft.
The material used for shaft collars is also an important factor. The material of the shaft collar can make a big difference in the performance of the collar. The screw can be either flat or hex. The material will also determine the holding power. A screw with a hardened center will provide better holding power.
Another factor affecting the holding power of shaft collars is its surface treatment. The most common types are steel, black oxide, and zinc-plated. The latter is beneficial as it reduces the friction coefficient and enhances the holding power. Zinc-plated collars are better corrosion resistant than black oxide. However, the black oxide treatment is more effective because it prevents slippage.
Construction
Shaft collar construction involves the construction of a collar around an underground shaft. This structure consists of steel casing and concrete that extends below the surface of the ground. The concrete may be constructed using conventional or specialty cements. It may also contain accelerators and other additives to improve its holding strength. The concrete may also contain heavyweight or lightweight aggregates for optimal properties.
There are two main types of shaft collars. The double split collar is the most common type. It has a split design in the middle and is fastened using two allen head cap screws on each side. It has greater holding power than a solid collar, and the two-piece design makes it easier to install and replace. In addition, double split collars don't require disassembling the entire shaft and its components.
There are many factors to consider when selecting a shaft collar. The material, holding power, and surface treatment of the shaft collar will affect its ability to withstand the load without slipping. These factors must match the specifications of the application in order to maximize its safety. A guide can help you choose the most appropriate shaft collar for your needs. The holding power of a shaft collar depends on the material used for construction and the screw size.
Shaft collars are used for a variety of applications that require a secure grip on mechanical components. They can be used on shafts, tubes, piping, and even flat surfaces. Only the highest quality collars are approved for use in industrial settings. These collars help ensure proper alignment of mechanical components and prevent any unnecessary movement. There are three different types of shaft collars. One type is a two-piece collar that is held together by two socket head screws.
Shaft collars may include an extended concrete pad at the surface. This concrete pad can support surface equipment and piping support assemblies. The shaft collar extends below temporary bracing material and within the retainment wall. The extended portion of the collar is then extended into the competent rock. From there, the collar transitions to a shaft lining assembly.
Functions
A shaft collar is a simple device that plays a critical role in a wide variety of industrial applications. Its primary functions are to hold components in place, locate components on the shaft, and form an attachment between a shaft and another component. In designing a shaft collar, a designer needs to consider several factors, including the material, bore size, and geometry of the shaft. It is also important to consider the specific requirements of the system.
Threaded collars are superior to smooth-bore collars in many ways. Threaded collars are more resistant to axial loads than smooth-bore collars, which rely on friction. Because the collar and shaft are threaded, they are practically impossible to move axially without breaking the shaft.
There are many types of shaft collars, each with their own unique properties. Each collar has different applications, and its performance must match the needs of the application. For many applications, holding power is paramount, while other performance factors include weldability, inertia, conductivity, corrosion resistance, and precision of collar-face relative to the bore.
While shaft collars may exert some holding force, they also exert other forces on the shaft. For example, they are ideal for splitting hubs, where they act as interfaces between various components. In addition, their close tolerances allow them to exert minimal force on the hub. This allows them to provide increased holding power while minimizing the force needed to close the hub.
Despite their simplicity, the shaft collar plays a crucial role in machine design. They hold components in place and provide necessary positioning for power transmission. Additionally, they are used as spacers in motor assemblies. And, they can also act as mechanical stops, limiting the movement of the shaft. You can find them in virtually any type of machinery.
Another type of shaft collar is the threaded collar, which can be axially or radially attached to the shaft. Its design has an internal thread that helps to precisely position it along the shaft. Internal threads also offer enhanced support for high axial loads. Internal threads also act as a positive mechanical stop.
Applications
Shaft collars are used in a variety of industrial applications. They serve as accurate stops and easy-to-adjust spacers. They can be used on glass, thin-wall tubing, and plastic. Other applications include optical measuring instruments and positioning systems for MRI machines. These collars are available in different sizes, materials, and styles.
The material used for shaft collars can have a significant impact on their performance. A collar's holding power is also affected by the strength of its screw. Generally, a collar manufacturer will provide a screw that is compatible with the application. However, in some cases, it is necessary to use a nonstandard screw.
The clamp-style collar is reliable under constant loads, but it may need extra support when shock loads are present. In these situations, a small mass is impacted, and high forces are created. A positive stop can help a clamp-style collar stay in place during such shock loads. Alternatively, a collar undercut on a shaft can provide positive stops in both axial directions.
There are many different shaft collar designs and styles. Choose the right one for your application by considering your specifications. Different styles have different purposes, so consider the type and material that is right for your application. Some manufacturers offer a variety of different styles to choose from. You can visit their website or call their customer service representatives for assistance. This way, you can choose the best shaft collar for your specific needs. These collars are a very important part of many mechanical systems.
Clamp-style collars are an excellent choice when axial adjustment along the shaft is required frequently. These collars are easy to install and remove and do not mar the shaft. In addition, they provide excellent clamping force and impressive holding power. Quick-clamp collars are also a great choice for light-duty applications. They allow for fast and easy adjustment and are particularly useful in packaging and printing industries.
Shaft collars are composed of two components: a central bore and a second component. The first component is preferably made of resilient elastomeric material. The second component is made of a plastic material and has a relative stiffness that helps the shaft collar slide on a shaft without causing too much stress.
editor by CX 2023-11-21