Product Description
Product Description
Product Description
| Item | Sheaves/Pulleys |
| Design | Can be at the customer’ request, tailor-made, at customer’s design |
| Application | Cranes, lifting hooks, lifting grabs, lifting beams |
| Material | SAE4140, SAE4150, SAE4160, 42CrMo, 42CrMo4,SAE1045,45#, stainless steel 410,stainless steel 304 |
| Standard | UIC 811-1, EN13261, GOST 31334, IRIS 16/95, KSR 9220, BS 5892, JIS E4502, TB/T 2945 |
| Size | From diameter 250mm to 1250mm. |
| Minimum order | 1 pc |
Manufacturing Process
1.Free forged or module forged
2.Rough machining process, to remove the surface forged oxidized black leather.
3.100% Ultrasonic Test ASTMA388
4.Heat Treatment according to request, Normalized, Quenched, Tempered….
5.Hardness test
6.Finishing Process to the dimensional state required by the drawing.
7.100% Magnetic Test ASTM E709 and 100% dimensional test
8.Painting or oil protecting TECTYL 506 or similar
9.Packing with boxes
Data Needed for Quotation
– Your own drawing
– Your requirement on material and necessary dimensional data
– Ask for recommend
Company Profile
ZheJiang CHINAMFG Machinery Co., Ltd., established in the year of 2012, is a professional supplier of material handling equipment, OEM machinery parts, various forging parts and casting parts.
Ebon’s products scope: cranes, hoists, magnets, grabs, hooks, wheels, drums, axles, lifting beams,bearing box, bearings, couplings,flanges etc. They are applied in wide range of field: Machinery, Mining, Hydro power Transportation, Construction…..
CHINAMFG has 5 reliable manufacturing factories to make sure stable supply and fast delivery for your business.
Our products are also exported to USA, Britain, Japan, South Korea, Russia, Indonesia, Thailand, India, Vietnam, Canada, Argentina, Paraguay etc more than 50 countries.
CHINAMFG team is loyal and committed to your success, and firmly believes that our products and services will increase the value and effectiveness of your business with following characters:
-Professional sales team, market promotion team and logistics team with more then 10 years experience .
-Loyal and Responsible Characters
-Efficient Work, Fast Response
-Responsible Quality Control Team
-Video the manufacturing process, the testing, and packing before delivery
1.Q: How about your delivery time?
A: Generally, it will take 7-30 days after receiving your advance payment. The specific delivery time depends on the items, transportation ways and the quantity of your order.
2.Q: Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.
3.Q: Do you test all your goods before delivery?
A: Yes, we have 100% Ultrasonic test, Magnetic test or Liquid Penetration test before delivery
4.Q: How do you make our business long-term and good relationship?
A: (1) We keep good quality and competitive price to ensure our customers benefit ;
(2) We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
5.Q: I can’t see the goods or touch the goods, how can I deal with the risk involved?
A: Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Processing Object: | Metal |
|---|---|
| Molding Style: | Forging |
| Molding Technics: | Pressure Casting |
| Application: | Machinery Parts |
| Material: | Steel |
| Heat Treatment: | Quenching |
| Customization: |
Available
| Customized Request |
|---|
What is the significance of sheave diameter and groove depth in sheave design?
In sheave design, the diameter and groove depth of the sheave play significant roles in determining its functionality and performance. Here’s an explanation of their significance:
- Sheave Diameter: The sheave diameter refers to the size of the wheel-like component. It is an essential parameter in sheave design and has several key implications:
- Mechanical Advantage: The diameter of the sheave affects the mechanical advantage of the system. Larger sheave diameters generally result in higher mechanical advantages, allowing for easier lifting or force transmission.
- Belt or Rope Mating: The sheave diameter needs to be selected based on the size and type of belt or rope that will be used. The diameter should match or be compatible with the belt or rope to ensure proper engagement, reduce slippage, and transmit power efficiently.
- Bending and Flexibility: The diameter influences the bending radius of the belt or rope as it wraps around the sheave. Larger sheave diameters result in larger bending radii, which can affect the flexibility and lifespan of the belt or rope. It’s important to consider the recommended bending radius of the belt or rope material to prevent excessive wear or damage.
- Groove Depth: The groove depth refers to the depth of the groove or channel on the sheave’s rim that accommodates the belt or rope. The groove depth also has significant implications:
- Belt or Rope Engagement: The groove depth should be designed to securely hold the belt or rope in place, preventing slippage during operation. It needs to be deep enough to provide sufficient contact and grip on the belt or rope without causing excessive stress or compression.
- Compatibility: The groove depth should be compatible with the size and thickness of the belt or rope being used. It should be designed to match the specific dimensions and characteristics of the belt or rope to ensure proper alignment and engagement.
- Load Distribution: The groove depth influences the distribution of load on the belt or rope. A properly designed groove depth helps distribute the load evenly across the belt or rope, reducing localized stress and wear.
Overall, the diameter and groove depth of a sheave are critical considerations in sheave design. They impact the mechanical advantage, belt or rope mating, bending and flexibility, belt or rope engagement, compatibility, and load distribution. Designing sheaves with appropriate diameter and groove depth ensures efficient power transmission, proper engagement with the belt or rope, and optimized performance of the overall system.
What role do bearings play in the performance of sheave systems?
Bearings play a crucial role in the performance of sheave systems. Sheave systems, also known as pulley systems, are used to transmit mechanical power and facilitate the movement of loads in various applications, such as elevators, cranes, and conveyor belts.
When a sheave system is in operation, the rotational motion of the sheave transfers power from the input source to the output load. Bearings are essential components that enable smooth and efficient rotation of the sheave.
Here are some key roles that bearings play in the performance of sheave systems:
- Reducing friction: Bearings are designed to minimize friction between moving parts. They consist of rolling elements, such as balls or rollers, that are held in place by an outer ring and an inner ring. The rolling elements roll between the rings, reducing the sliding friction that would occur if the sheave shaft directly contacted the stationary components. By reducing friction, bearings help to conserve energy and improve the overall efficiency of the sheave system.
- Supporting radial and axial loads: Sheave systems often experience both radial loads (forces perpendicular to the shaft) and axial loads (forces parallel to the shaft). Bearings are designed to support these loads and distribute them evenly, preventing excessive stress on the sheave system components. The type and arrangement of bearings can be selected based on the specific load requirements of the sheave system.
- Facilitating smooth and precise rotation: Bearings provide a low-friction interface between the rotating sheave and the stationary components. This allows the sheave to rotate smoothly and with minimal resistance. Smooth rotation is crucial for maintaining the stability and accuracy of the sheave system, especially in applications that require precise positioning or high-speed operation.
- Enhancing durability and reliability: Bearings are designed to withstand the operating conditions of the sheave system, including factors such as load, speed, temperature, and contamination. They are typically made from durable materials, such as steel or ceramic, and may incorporate seals or shields to protect against contaminants. By providing robust support and protection, bearings contribute to the overall durability and reliability of the sheave system.
In summary, bearings play a vital role in the performance of sheave systems by reducing friction, supporting loads, facilitating smooth rotation, and enhancing durability. Proper selection, installation, and maintenance of bearings are essential for optimizing the efficiency and reliability of sheave systems in various industrial and mechanical applications.
In which industries are sheaves commonly employed?
Sheaves are widely employed in various industries for their role in power transmission, speed control, and load distribution. Here are some of the industries where sheaves are commonly used:
- Conveyor Systems: Sheaves are extensively used in conveyor systems across industries such as manufacturing, mining, food processing, and logistics. They help in moving materials efficiently along the conveyor belts.
- Elevators and Lifts: Sheaves are integral components in elevator and lift systems, enabling the smooth and controlled movement of the elevator car or lift platform.
- Cranes and Hoists: Sheaves play a critical role in cranes and hoists by guiding the cables or wire ropes used for lifting heavy loads. They ensure proper load distribution and prevent slippage.
- Agricultural Machinery: Sheaves are utilized in various agricultural equipment, including tractors, combines, and harvesters. They help transmit power for driving different components.
- Industrial Machinery: Sheaves are commonly found in a wide range of industrial machinery, such as pumps, compressors, motors, and generators. They facilitate power transmission and speed control in these systems.
- HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems often incorporate sheaves to drive the fan belts and control the speed of the fans, allowing for efficient air circulation and temperature regulation.
- Printing and Packaging Machinery: Sheaves are used in printing presses, packaging machines, and paper handling equipment to drive the paper feed mechanisms and control the printing or packaging speed.
- Marine and Offshore Equipment: Sheaves are employed in various marine and offshore applications, including winches, cranes, davits, and anchor handling systems, to handle heavy loads and control the movement of cables and ropes.
- Mining Machinery: Sheaves are utilized in mining equipment such as conveyors, crushers, and excavators to facilitate material handling and power transmission in challenging mining environments.
These are just a few examples, and sheaves can be found in many other industries where power transmission, speed control, and load distribution are essential for the operation of mechanical systems.
editor by CX
2024-05-15
