Product Description
Product Description
Â
| Item No. | Stainless Steel Pulley |
| Dimensions | OEM ODM |
| Material | Bearing -Chrome steel, carbon steel, stainless steel Plastic part- POM/ Nylon6 /Nylon66 +GF/PU/Rubber Housing part – Plastic(Nylon)/ Steel/ Zinc alloy die casting / Aluminium profile/ alu. Alloy die casting |
| Color | Original/black/white/Red/ Green/ Orange, or per customers’ requirement |
| Surface Treatment | Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment |
| Features | heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc. |
| Application | Sliding window and door, Sliding accessories, furniture accessories etc. |
| Packaing | Foil bag+Neutral Carton+Pallet, or per customers’ requirement |
| MOQ | 1000 pcs |
| Lead Time | According to the order q’ty |
| OEM& ODM | Technical drawing or sample is needed |
Company Profile
Â
ABOUT US
Haibite was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer&bearing distributor. Since it was first established, CHINAMFG was dedicated in research, development and manufacture of bearings. Now, CHINAMFG has become main and 1 of the first grade suppliers of all kinds of bearings. We could develop the products constructed from different materials, structures, shapes, colors etc.
WELCOME TO THE CLUB!
1. Our rollers are in stable quality with smooth rotation, long life operation, small movement, advanced injection technology engineering etc.
2. The Adjustable Rollers with smooth and long lasting operation, higher performing features like wider adjustment ranges, long rolling life performance, easy installment. It’s available in multiple housing choices with any wheels to fit different aluminnum. Our roller ensure alignment across the full adjustment ranges within built-in retention system.
3. The customized hardware, like plastic parts, stamping patrs, cold forging steel patrs are widely applied in the window and doors, furniture, householders, transmission system, industrial drive system etc.
We are constantly improving and striving for excellent service. We hold a very high regard for our customers, the quality of our products, and our level of customer service.
FAQ
1. who are we?
We are based in ZheJiang , China, start from 2017,sell to North America(1.00%),Africa(1.00%),Western Europe(1.00%),Southern Europe(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bearing cage,Bearing pulley,Plastic products,Miniature bearing,Needle roller bearing
4. why should you buy from us not from other suppliers?
Hardware pulley source factory,20 years professional bearing pulley experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese,Spanish,Japanese,F
Â
Our Advantages
Sliding glass doors are becoming more and more popular, because of the view and natural lighting that they provide. But there can be some difficulty when it comes to maintaine them, such as the rollers have worn out. The key part is knowing which roller matches the original. Many people believe that alternatives can be found by identifying the door manufacturer individually. Actually, Most rollers are generic and used by various door manufacturers.
As the professional manufacturer of sliding rollers, we use various identifying characteristics to determine the best replacement option for your door. In addition to the number of wheels your roller uses to support the door, the presence of dimples, bumps, cut-outs and flared edges on the rollers housing will narrow down replacement options substantially. The way that the assembly installs in the door frame is also vital. The key dimensions to confirm a replacement include the width and height of the roller’s outer housing, as well as the diameter of the wheel. In addition to the diameter of the wheels, the material that they’re made of, steel or nylon, is also a factor. Long-term, metal wheels are known to hold up better but they can also cause the track to wear out faster, especially on heavy doors. Nylon wheels tend to be kinder to the track but may not last as long as their steel counterparts.
Â
Purchase Notice
1.Pls send us an inquiry or leave us a message, there will be a dedicated staff to serve you within 1 hours.
2.You can ask us to take actual photos of the products for you, and free samples would be provided.
3. Welcome to visit our factory to negotiate orders, we will do our best to protect the safety of your business journey.
4. Packaging can be customized according to customer requirements
Finally, Please be sure to click “Contact supplier” to contact us, or “Call us” with any questions that you may have.
 /* 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(/(.*?):(.*)$/))&&1
| Certification: | ISO |
|---|---|
| Pulley Sizes: | Type A |
| Material: | Chrome Steel Gcr15 |
| Samples: |
US$ 0.48/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
How does the quality and precision of lifting pulleys impact the accuracy of lifting operations?
The quality and precision of lifting pulleys have a direct impact on the accuracy of lifting operations. The design, construction, and performance of pulleys influence the control, stability, and reliability of the lifting process. Here’s a detailed explanation of how the quality and precision of lifting pulleys impact lifting operations:
1. Load Control: High-quality lifting pulleys are designed to provide precise and smooth load control. They enable operators to accurately adjust the speed, direction, and position of the load during lifting operations. Pulleys with precise load control capabilities ensure that the load is lifted, lowered, or moved with accuracy and minimal deviation, resulting in precise positioning and placement of the load.
2. Stability and Balance: Precision-engineered lifting pulleys contribute to the stability and balance of the lifting system. They are designed to minimize vibrations, wobbling, or oscillations during the lifting process. This stability ensures that the load remains balanced and steady, reducing the risk of accidents, load shift, or damage to the lifting equipment. The quality of pulleys directly affects the system’s ability to maintain stability and balance throughout the lifting operation.
3. Efficiency and Smooth Operation: High-quality lifting pulleys are engineered to minimize friction and resistance, allowing for efficient and smooth operation. They are often equipped with low-friction mechanisms, such as ball bearings, to reduce energy loss and enable smooth rotation. Pulleys that operate smoothly require less force to lift the load, leading to improved energy efficiency and precise control over the lifting operation.
4. Reduced Jerks and Sudden Movements: Lifting pulleys that exhibit high precision and quality help prevent sudden jerks or uncontrolled movements during lifting. They ensure that the load is lifted or lowered smoothly without abrupt starts or stops. This reduces the risk of shock loads, equipment damage, and potential injury to workers. By minimizing jerks and sudden movements, precise pulleys contribute to the overall safety and accuracy of lifting operations.
5. Load Distribution: Quality lifting pulleys distribute the weight of the load evenly across the lifting system. They enable the load to be spread over multiple ropes or cables, ensuring a well-balanced distribution of forces. This even load distribution minimizes stress on individual components, enhances the system’s stability, and improves the accuracy of load handling and positioning.
6. Minimal Deflection and Stretching: High-quality lifting pulleys are designed to minimize deflection and stretching of the ropes or cables during lifting operations. They ensure that the cables remain aligned and experience minimal elongation or deformation. This reduces the risk of inaccurate load positioning caused by sagging or stretching of the lifting elements, ensuring precise and consistent lifting performance.
7. Reliability and Longevity: The quality of lifting pulleys directly impacts their reliability and longevity. Well-designed pulleys constructed with durable materials and precise manufacturing techniques are more likely to withstand heavy loads, frequent use, and harsh operating conditions. Reliable pulleys contribute to the accuracy of lifting operations by minimizing the chances of unexpected failures or malfunctions that can compromise the precision and safety of the lifting process.
8. Compatibility and
How do lifting pulleys enhance the safety and efficiency of lifting operations?
Lifting pulleys play a vital role in enhancing the safety and efficiency of lifting operations. They provide several advantages that contribute to safe and efficient lifting. Here’s how lifting pulleys enhance safety and efficiency:
1. Mechanical Advantage: Lifting pulleys provide a mechanical advantage by distributing the load’s weight across multiple sheaves or blocks. This distribution reduces the amount of force required to lift the load, making it easier for operators to handle heavy objects. The mechanical advantage offered by lifting pulleys minimizes the risk of strain or fatigue-related injuries to operators, promoting safe lifting practices.
2. Load Distribution: By utilizing lifting pulleys, the load’s weight is distributed among multiple strands of lifting cables or ropes. This distribution helps to evenly spread the load’s force, reducing the risk of overload on any single point or component. Load distribution minimizes the chances of cable or rope failure, ensuring safe lifting and preventing accidents due to sudden load shifts or unbalanced loads.
3. Controlled Movement: Lifting pulleys enable precise and controlled movement of the load. The pulleys allow operators to adjust the lifting speed, direction, and position of the load with ease. This control enhances safety by preventing sudden or jarring movements that can lead to accidents or damage to the lifted objects. It also allows for accurate placement or positioning of the load, improving operational efficiency.
4. Reduced Friction: Lifting pulleys are designed to reduce friction between the lifting cables or ropes and the pulley sheaves. This reduction in friction minimizes wear and tear on the lifting components, such as cables or ropes, extending their lifespan and reducing the risk of failure during lifting operations. It also reduces the effort required to lift the load, improving efficiency and operator comfort.
5. Versatility and Adaptability: Lifting pulleys offer versatility and adaptability in various lifting scenarios. They can be combined with other pulleys or lifting systems to create compound mechanical advantages, such as block and tackle systems. This flexibility allows operators to handle different load capacities and adapt to specific lifting requirements. Versatility and adaptability enhance the efficiency of lifting operations by providing suitable solutions for a wide range of lifting tasks.
6. Safe Working Load Indication: Many lifting pulleys come with clearly marked safe working load (SWL) indications. These markings provide crucial information about the maximum load capacity that the pulley can safely handle. By adhering to the SWL guidelines, operators can ensure that the pulleys are not overloaded, reducing the risk of accidents and equipment failures.
7. Training and Operator Awareness: Proper training and operator awareness regarding the use of lifting pulleys contribute to safe and efficient lifting operations. Operators should receive training on the correct techniques for operating and maintaining lifting pulleys. They should also be aware of safety protocols, load limits, and the importance of regular inspections and maintenance procedures. Well-trained operators can make informed decisions, identify potential hazards, and implement safe work practices, further enhancing the safety and efficiency of lifting operations.
By utilizing lifting pulleys, operators can benefit from improved safety and efficiency in lifting operations. The mechanical advantage, load distribution, controlled movement, reduced friction, versatility, and operator training all contribute to safer lifting practices, reduced risk of accidents, and increased operational efficiency.
How does the design and construction of lifting pulleys impact their lifting capacity?
The design and construction of lifting pulleys have a significant impact on their lifting capacity. Several factors influence how much weight a lifting pulley can handle. Here’s an explanation of how the design and construction of lifting pulleys affect their lifting capacity:
1. Load-Bearing Capacity: The load-bearing capacity of a lifting pulley is determined by its materials and construction. High-strength materials, such as steel or other alloys, are commonly used to ensure the pulley can handle heavy loads without deformation or failure. The pulley’s construction, including the thickness and reinforcement of the wheel, axle, and frame, contributes to its overall load-bearing capacity.
2. Pulley Diameter: The diameter of the lifting pulley affects its lifting capacity. As the diameter increases, the pulley provides a larger surface area for the lifting rope or cable to make contact, distributing the load over a wider area. This distribution of load reduces the stress on the rope or cable, enabling the pulley to lift heavier objects. Larger diameter pulleys generally have higher lifting capacities compared to smaller ones.
3. Number of Sheaves: Lifting pulleys can have single or multiple sheaves or wheels. Pulleys with multiple sheaves, such as double-sheave or triple-sheave pulleys, offer increased mechanical advantage and lifting capacity. Multiple sheaves distribute the load across multiple ropes or cables, reducing the force required to lift the load. The more sheaves a pulley has, the greater its lifting capacity.
4. Bearing System: The bearing system of a lifting pulley affects its smoothness of operation and overall lifting capacity. High-quality bearings, such as ball bearings or roller bearings, reduce friction and enable the pulley to rotate freely. A smooth and efficient bearing system allows the lifting pulley to handle heavier loads with less effort and minimizes wear and tear on the pulley components.
5. Design Efficiency: The design efficiency of a lifting pulley refers to how effectively it converts the input force into lifting force. Well-designed pulleys minimize energy losses due to friction or inefficient pulley geometry. Pulleys with optimized designs, such as those with rounded grooves, reduce the amount of friction between the rope or cable and the pulley, resulting in improved lifting capacity.
6. Safety Factors: Lifting pulleys are often designed with safety factors in mind. Manufacturers consider various safety factors, including the intended application, load requirements, and industry standards, to determine the appropriate lifting capacity for a pulley. The safety factors ensure that the pulley can handle not only the intended load but also account for any unforeseen variations or dynamic loads that may occur during lifting operations.
It’s important to note that the lifting capacity of a pulley is not solely determined by its design and construction. Factors such as the strength of the lifting rope or cable, the condition of the pulley system, and the overall rigging setup also play a role in determining the safe lifting capacity.
In summary, the design and construction of lifting pulleys, including their load-bearing capacity, pulley diameter, number of sheaves, bearing system, design efficiency, and safety factors, all contribute to their lifting capacity. Understanding these factors is crucial for selecting the appropriate lifting pulley for specific lifting applications.
editor by CX
2024-05-07