Product Description
Single Bearing Trapezoid Gate Wheel
| Model | A | B | C | D | E | Weight (Y) Units:g |
Weight (U) Units:g |
Weight (V) Units:g |
| 30×11 | 35 | 11 | 30 | 45 | 17 | * | * | 63 |
| 40×14 | 45 | 14 | 38 | 75 | 25 | 192 | 185 | 194 |
| 50×15 | 55 | 15 | 48 | 75 | 25 | 253 | 244 | 263 |
| 50×15 | 60 | 15 | 48 | 85 | 30 | 303 | 292 | 302 |
| 60×17 | 65 | 20 | 58 | 85 | 30 | 400 | 395 | 410 |
| 70×20 | 80 | 20 | 68 | 100 | 35 | 640 | 640 | 665 |
| 80×20 | 85 | 20 | 48 | 100 | 35 | 805 | 785 | 825 |
| 90×20 | 100 | 20 | 88 | 133 | 35 | 1130 | 1121 | 1145 |
| 100×20 | 105 | 20 | 98 | 133 | 35 | 1350 | 1338 | 1363 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||||
Double Bearing Gate Wheel
| Model | A | B | C | D | E | Weight(Y) | Weight(U) |
| 50MM | 55 | 26 | 48 | 85 | 30 | 324 | 320 |
| 60MM | 65 | 30 | 58 | 85 | 30 | 617 | 580 |
| 70MM | 80 | 32 | 68 | 100 | 35 | 977 | 954 |
| 80MM | 85 | 32 | 48 | 100 | 35 | 1260 | 1223 |
| 90MM | 100 | 32 | 88 | 133 | 35 | 1788 | 1760 |
| 100MM | 105 | 32 | 98 | 133 | 35 | 2100 | 2078 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||
Laminated Gate Wheel
| Model | A | B | C | D | Weight(Y/V) | Weight(U) |
| 50mm | 48 | 15 | 100 | 26 | 260 | 250 |
| 60mm | 58 | 17 | 100 | 26 | 390 | 360 |
| 70mm | 68 | 20 | 136 | 33 | 590 | 570 |
| 80mm | 78 | 20 | 136 | 33 | 750 | 725 |
| 90mm | 88 | 20 | 152 | 33 | 1060 | 1030 |
| 100mm | 98 | 20 | 152 | 33 | 1265 | 1225 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||
Hang Gate Wheel
| Model | A | B | C | D | E | F | G | H | I |
| H25 | 51 | 25 | M9*50 | 9 | 95 | 79 | 25 | 6 | 27 |
| H38 | 86 | 38 | M12*70 | 11 | 120 | 118 | 38 | 10 | 32 |
| H55 | 115 | 55 | M20*85 | 14 | 140 | 159 | 44 | 10 | 15 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||||
Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel
We have already had nealy a decade producting and exporting experience. Since 2014, we have sold our products to dozens of countries all around the world. And we have established a deep cooperative relationship with many customers.
We make our products with heart, strive to bring the best quality for customers. So we got a lot of customer approval. After that, we will also strictly control, down-to-earth, and forge ahead.
1.ZheJiang Joinwin Hardware and Tools Co., Ltd. we have 10 years manufacturing and exporting experience which ranks among the best in China. Mainly sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools.
2.Located in HangZhou where is just 180km far from HangZhou Port and many raw material factories around, greatly reduces transportation and procurement costs.
3.We have professional sales and engineers to provide satisfied service to clients. Our company covers an area of 1000 square meters, has the most advanced production equipment and technology.
4.Customer first, team work, embrace change, sincere are our company culture.
5.We aim to provide clients more safety and convenient life.
Pliers Adjustable Wrench Combination Spanners Hammers Pruner Scissors Aviation Tin Snips
Screwdrivers Padlocks Hand Saws Axe Silicone Sealant
Q1: Can I get a sample?
A1: Yes, the samples are usually free for customers.
Q2: Can you provide OEM service?
A2: Yes, we can produce the goods according to clients’ demands.
Q3: How can you guarantee the quality?
A3: We have advanced equipment and professional engineer and quality inspector to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisfied after-service.
Q4: What is the MOQ?
A4: 500 PCS.
Q5: How long you will finish my order?
A5: Totally in 30 days. (The specific situation depends on the production schedule of the production department.) /* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Technical Guidance |
|---|---|
| Warranty: | Online Technical Guidance |
| Certification: | CE |
| Splittable: | Splittable |
| Surface Treatment: | Zinc Plated |
| Material: | Metal |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How are sheave pulleys used in the operation of cranes and hoists?
Sheave pulleys play a vital role in the operation of cranes and hoists, enabling the lifting and movement of heavy loads. Here is a detailed explanation of how sheave pulleys are used in the operation of cranes and hoists:
In cranes and hoists, sheave pulleys are typically incorporated into the lifting mechanism, often in combination with cables or ropes. The integration of sheave pulleys involves the following steps:
1. Lifting Mechanism Design: The lifting mechanism of a crane or hoist is designed based on the specific requirements of the lifting operation. Factors such as load capacity, lifting height, and application type are taken into consideration.
2. Wire Rope Selection: The appropriate wire rope or cable is selected based on the load capacity and other relevant factors. The wire rope is chosen to have suitable properties such as strength, flexibility, and resistance to wear or corrosion.
3. Sheave Pulley Configuration: Sheave pulleys are configured and positioned within the lifting mechanism to guide and support the wire rope. The pulleys are mounted on a framework or structure that allows them to rotate freely.
4. Multiple Pulley Systems: Cranes and hoists often utilize multiple sheave pulleys arranged in various configurations to achieve mechanical advantage and increase lifting capacity. These configurations include single sheave, double sheave, and multiple sheave arrangements.
5. Wire Rope Routing: The wire rope is threaded through the grooves of the sheave pulleys, creating a continuous loop. The pulleys guide the wire rope along the intended path, ensuring proper alignment and minimizing friction.
6. Drive Mechanism: A drive mechanism, such as an electric motor or hydraulic system, provides the power necessary to rotate the sheave pulleys. The rotation of the pulleys causes the wire rope to move, lifting or lowering the load.
7. Lifting and Lowering: When the crane or hoist is operated, the sheave pulleys rotate, causing the wire rope to move. As the wire rope is wound or unwound from the pulleys, the load is lifted or lowered accordingly. The mechanical advantage provided by the multiple pulley systems allows for efficient lifting and precise control.
8. Load Control and Safety: Cranes and hoists incorporate various control mechanisms, such as brakes and limit switches, to ensure safe and controlled lifting operations. These mechanisms work in conjunction with the sheave pulleys and other components to prevent overloading, uncontrolled descent, or other hazardous situations.
Regular maintenance and inspection of the sheave pulleys, wire rope, and other lifting components are essential to ensure the continued safe and reliable operation of cranes and hoists. This includes lubrication of the pulleys, checking for signs of wear or damage, and making necessary adjustments or replacements to maintain optimal functionality.
Can sheave pulleys withstand harsh environmental conditions?
Yes, sheave pulleys can be designed and manufactured to withstand a variety of harsh environmental conditions. Here is a detailed explanation of their ability to withstand such conditions:
1. Corrosion Resistance: Sheave pulleys can be made from materials that offer excellent corrosion resistance, such as stainless steel or corrosion-resistant coatings. These materials are specifically chosen to withstand exposure to moisture, humidity, or corrosive substances, making them suitable for harsh environments such as marine or industrial settings where corrosion is a concern.
2. Temperature Extremes: Sheave pulleys can be designed to withstand a wide range of temperature extremes. Specialized materials, coatings, or heat-resistant treatments can be utilized to ensure the pulleys maintain their structural integrity and functionality in high-temperature environments, such as foundries or industrial ovens. Similarly, pulleys can be designed to withstand extremely low temperatures encountered in cold storage facilities or outdoor applications.
3. Chemical Resistance: In environments where exposure to chemicals or abrasive substances is common, sheave pulleys can be customized with materials or coatings that offer high chemical resistance. This ensures that the pulleys can withstand contact with chemicals, solvents, oils, or abrasive particles without deteriorating or suffering from chemical reactions that could compromise their performance.
4. Mechanical Durability: Sheave pulleys can be engineered to withstand heavy loads, shocks, or vibrations that may be present in harsh environments. By using robust materials, precision engineering, and appropriate manufacturing techniques, the pulleys can maintain their structural integrity and resist mechanical stresses, ensuring reliable performance and longevity in demanding conditions.
5. Sealing and Protection: To enhance their ability to withstand harsh environments, sheave pulleys can be equipped with sealing mechanisms and protective features. These may include sealed bearings or bearing enclosures to prevent contamination from dust, dirt, or water ingress. Additionally, pulleys can be designed with protective covers or shields to safeguard the internal components from external elements, increasing their durability and resistance to harsh conditions.
6. UV Resistance: In outdoor applications where exposure to sunlight and ultraviolet (UV) radiation is prevalent, sheave pulleys can be manufactured with UV-resistant materials or coatings. UV resistance prevents degradation, discoloration, or loss of mechanical properties due to prolonged sun exposure, ensuring the pulleys remain functional and reliable over an extended period.
7. IP Ratings: Sheave pulleys can be designed to meet specific Ingress Protection (IP) ratings. IP ratings indicate the level of protection provided against the intrusion of solid particles (dust) and liquids (water or other liquids). By choosing pulleys with suitable IP ratings, they can be effectively protected against harsh environmental conditions, ensuring their performance and longevity.
It is important to note that the ability of sheave pulleys to withstand harsh environmental conditions may vary depending on the specific design, materials used, and the severity of the conditions. Manufacturers can provide guidance on the suitable customization options and specifications required to ensure optimal performance and longevity in specific harsh environments.
Can you explain the types of cables or ropes typically used with sheave pulleys?
When it comes to sheave pulleys, different types of cables or ropes can be used depending on the specific application and desired functionality. Here is a detailed explanation of the types of cables or ropes typically used with sheave pulleys:
1. Wire Rope: Wire ropes are commonly used with sheave pulleys in various lifting and cable-based systems. They are constructed by intertwining individual steel wires to form strands, which are then twisted together to create the final wire rope. Wire ropes offer excellent strength, durability, and resistance to abrasion and crushing. They are suitable for heavy-duty applications that require high load capacity and robust performance.
2. Synthetic Rope: Synthetic ropes, such as nylon or polypropylene ropes, are also frequently used with sheave pulleys. These ropes are made from synthetic fibers and offer advantages such as lightweight, flexibility, and resistance to chemicals and UV rays. Synthetic ropes are commonly used in applications where weight reduction, corrosion resistance, or non-conductivity are important considerations.
3. Flat Belt: In some cases, flat belts made of materials such as rubber or fabric-reinforced rubber are used with sheave pulleys. Flat belts provide a wide contact surface area with the pulley groove, allowing for efficient power transmission. They are commonly used in applications that require smooth and quiet operation, such as conveyor systems or certain types of machinery.
4. V-Belt: V-belts, also known as wedge belts, are a type of belt with a trapezoidal cross-section. They are commonly used with sheave pulleys in various power transmission applications. V-belts provide high traction due to their wedged shape, allowing for efficient power transfer and reduced slip. They are often used in applications that require high-speed power transmission, such as automotive engines or industrial machinery.
5. Timing Belt: Timing belts, also called synchronous belts, are toothed belts that engage with matching toothed pulleys. They are used with sheave pulleys in applications that require precise motion control and synchronization, such as in timing systems for engines or precision machinery. Timing belts offer low maintenance, high efficiency, and accurate positioning capabilities.
6. Cable or Rope Assemblies: In certain specialized applications, pre-assembled cable or rope assemblies may be used with sheave pulleys. These assemblies typically consist of steel cables or synthetic ropes with fittings or connectors already attached. They are commonly used in scenarios where specific load capacities, safety requirements, or customization are necessary, such as in maritime applications, material handling equipment, or suspension bridge systems.
It’s important to note that the selection of the appropriate cable or rope for a sheave pulley system depends on various factors, including the application requirements, load capacity, environmental conditions, and desired performance characteristics. Consulting with manufacturers or engineering professionals can help determine the most suitable type of cable or rope for a specific sheave pulley application.
editor by CX
2024-04-03