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 |
|---|
Different Types of Shaft Collars and How to Choose the Right One For Your Needs
A shaft collar is a simple machine component, but its role is crucial in a variety of power transmission applications. It is most commonly found in gearboxes and motors. Its simple design makes it a relatively easy component to install. In addition to being useful for bearing faces, shaft collars are also used as mechanical stops.
Single split shaft collars
Single split shaft collars are a common design choice for industrial applications. They provide easy installation and disassembly, reducing downtime and labor. Unlike traditional collars, they use full seating torque of set screws, resulting in even distribution of forces along the shaft circumference. In addition, they provide stronger holding power.
Single split shaft collars are available in a variety of sizes and materials. They are typically made of stainless steel, alloyed steel, or nylon. They are available with a black oxide finish or a smooth finish. In addition, they can be manufactured to custom sizes. The benefits of shaft collars manufactured by Power Rite are the high quality of their materials and the close tolerances of their manufacturing process.
Single split shaft collars are available in D-bore or hex bore configurations. They are designed to fit shafts with diameters from 1/4″ to 6″. Some of these types also have a proprietary black oxide finish. Single split shaft collars can be manufactured with a range of materials, including 303 stainless steel and 1215 lead-free steel. They can also be made with engineered plastic.
Single split shaft collars are an excellent choice for applications where accurate positioning is essential. These collars can be easily installed and removed without removing any of the shaft components. They feature double grub screws to help tighten the clamp around the shaft. This feature makes installation and removal easier and reduces downtime.
Single split shaft collars are also available in a lightweight style for applications where space is an issue. While these collars are ideal for light-duty applications, they are not ideal for heavy-duty environments. Single split shaft collars are generally made of a softer material, such as steel. They have high torque capacities and hold securely around a shaft. However, their high holding power and low friction means they can damage a shaft or cause indentations that make repositioning the shaft difficult.
Clamp-style shaft collars are another option for tougher installations. This type offers more clamping power than a one-piece shaft collar. They come in either a one-piece or two-piece design, and can be installed by hand.
Set screw collars
Set screw collars are used to secure shafts. They are available in a variety of sizes and materials. Available options include hex socket, cup point, and 3A thread screws. They are suitable for a variety of industries, including food, wood, and chemical. A distributor of set screw collars can custom-design them to meet the specifications of a given application.
There are many different types of shaft collars, which include socket set screw collars, 2-hole set screw collars, and metric and stainless steel collars. In addition to these, you can also find corrosion-resistant set screw collars with a black oxide finish. These collars are ideal for industrial and commercial applications and are RoHS compliant.
Set screw collars are the most cost-effective option for shaft collars. They also offer lightweight options for applications where space is at a premium. Additionally, they can be equipped with a second screw positioned at 90 degrees to provide additional load capacity. They also come with a keyway to accommodate keyed shafts. These collars provide a reliable solution for securing shafts in a variety of applications.
Compared to set screw collars, clamp-style collars are easier to install and have greater holding power. They are available in one and two-piece versions. Clamp style collars are designed to lock onto a shaft while not damaging it. In addition, they are easily removed and reinstalled. They can be used in a variety of settings, including in guiding systems and bombsights.
Set screw shaft collars are an excellent choice for applications where precision is important. They prevent shafts from moving and hold power transmission components in place. The set screw collar is set in place with a grub screw or set screw. The screw driver can adjust the set screw to achieve the desired position.
Quick-clamp shaft collars
Quick-clamp shaft collars are a simple yet effective way to secure shafts. These collars have an eccentric lever that generates a locking force on the shaft. They are easy to install and remove and are manufactured with an aluminum design. In addition, these collars have a low mass inertia value. They are available in both one-piece and two-piece styles. Both styles have outer diameter flats for mounting other components.
The Quick-clamp shaft collars are resilient and feature a flush handle. They are easy to install and adjust, eliminating the need for tools and reducing production downtime. Another feature of these collars is that they have a high-strength tension adjustment screw that ensures compatibility with a wider range of shaft tolerances. These collars also have an axial holding power adjustment screw.
CZPT manufactures two types of quick-clamp shaft collars. One type has a cam lever that sits flush with the outside diameter and is finger-actuated. The other type is a clamp-style collar with a tension-adjustment screw. This design is better suited to low-rpm applications, or for frequent changeovers.
Choosing the right shaft collar for your application
Shaft collars play a key role in many industrial applications, and choosing the correct one is critical. They need to be designed properly and have the appropriate performance characteristics to ensure safe and effective operation. In this article, we will look at the different types of shaft collars and how to choose the right one for your needs. Typically, shaft collars are made from steel or aluminum, coated with zinc or another corrosion resistant material. But they can also be made from non-metallic materials.
Shaft collars come in a variety of shapes and materials, and the right one for your application will depend on these features. The key factors to consider are the material, holding power, and surface treatment, and their alignment with your application specifications. The shaft collars that fit your application best are often highly customizable, so it is important to determine the exact specifications for your application.
Shaft collars are simple and versatile components that are used to secure bearings on a shaft. They also serve as mechanical stops and can help to align and space other components. Shaft collars are widely used in gearbox assemblies, flagpoles, medical instruments, and other applications. They are available in a wide variety of styles, and can be used for nearly any application.
The type of shaft collar you choose will depend on the application and the type of machine. A heavier duty shaft collar will provide better vibration and shock resistance. These collars are typically designed for off-road or mining applications, and can be made of heavy-duty steel. They also provide more holding power, as double-wide shaft collars can provide an additional 25% of holding power.
When choosing a shaft collar, it’s important to consider the application and the required level of maintenance. Some assemblies will only need minor adjustments, while others require frequent disassembly. A two-piece shaft collar is a better option for assemblies that will have to be removed often.
editor by CX 2023-11-23