Product Description
| Model | According to customers’ drawings or samples |
Application | Mining/cement /petroleum machinery |
| Material | HT250 | Surface Preparation | Shot blasting |
| Standard | GB 9439-1988 | Optional Raw Materials |
Pig iron |
| QA | Qualified by evaluation | Size | According to customers’ drawings or samples |
| Technology | Electric furnace, assay, tempering, shot blasting | Transport Package | Wooden Case or steel structure packaging |
| Lead Time | 30-90 | Origin | China |
Casting iron
Material: HT250
Chemical composition
| Chemical composition |
C | 3.16~3.30 |
| Mn | 0.89~1.04 | |
| Si | 1.79~1.93 | |
| S | 0.094~0.125 | |
| P | 0.120~0.170 |
Our company covers an area of 16000 square meters, with a construction area of 6600 square meters. We have fixed assets of 50 million yuan, 6 transformers with a capacity of 6000 kVA, 6 medium frequency induction furnaces with a capacity of 8 tons, and 1 heat treatment kiln with a capacity of 400 tons. There are 4 double beam cranes with a capacity of 100 tons, 3 single beam cranes with a capacity of 80 tons, and 2 open-air cranes with a capacity of 80 tons in the workshop. With strong equipment capabilities, it is 1 of the large steel casting enterprises in the western ZheJiang region. We mainly produce carbon steel alloy steel castings and mechanical processing, as well as one-stop service for riveting and welding assembly machines!
Processing equipment: 8 vertical lathes ranging from 2.5 CHINAMFG to 8 meters, boring machines φ 90-200 4 units, φ 4 sets of 80-100 drilling machines, 8 sets of 1-12 meter gear hobbing machines from HangZhou Heavy Industries, with an annual production of 40000 tons of steel castings. The products are of excellent quality and affordable prices, and are exported to various domestic and overseas markets. Has a good reputation in both domestic and international markets.
One-stop Service
From the review of drawings to production evaluation, to product production and quality inspection, our professional engineers are responsible for each link.
Foreign Trade Business
Packing Image
Transport Image
FAQ
1. How can I get the quotation?
You can send us a mail or contact us by , , etc. And send us your detailed requirements(drawings, materials, quantity, tolerance, surface treatment, etc.), and we will calculate detailed cost for you.
2. If we don’t have detailed product, can you make it for us?
Yes, you can send us your drawings, we have professional engineer team can assist you.
3. How long is the production time?
Based on the specific product.
4. What is the payment method.
100% TT advanced,or L/C.
5. Can you make some parts in heavy machinery equipment?
If you can send us your drawing, we can manufacture.
6. What kind of drawing format is workable for you?
PDF, DWG, etc.
7. How do I know the production? and shipping process?
We will double confirm your requirements, we will regularly report to you the production progress.
8. How do I know the shipping process?
Before shipment we will confirm with you about all the details and other attention issues. After ship out, we will inform you the latest shipping information for you.
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| After-sales Service: | Yes |
|---|---|
| Warranty: | 1.5 Year |
| Application: | Double Beam Crane, Gantry Crane, Tower Crane, Single Grinder Crane, Lifting Platform |
| Type: | Electric Hoist |
| Sling Type: | Wire Rope |
| Lift Speed: | According to Customer Requirements |
| Customization: |
Available
| Customized Request |
|---|
What is the significance of rope diameter in selecting the right rope pulley?
The rope diameter plays a significant role in selecting the right rope pulley. Here’s a detailed explanation:
1. Compatibility: The rope diameter must match the groove size of the pulley. Choosing a pulley with a groove that is too small for the rope diameter can result in excessive friction, wear, and potential damage to the rope. Conversely, selecting a pulley with a groove that is too large may cause the rope to slip or become unstable during operation. Therefore, selecting a rope pulley that is compatible with the specific rope diameter ensures proper engagement and efficient functioning.
2. Load Capacity: The rope diameter directly affects the load capacity of the pulley system. Thicker ropes typically have higher load-bearing capabilities due to their increased strength and durability. When selecting a rope pulley, it is crucial to consider the anticipated load requirements and choose a pulley that can safely support the expected loads for the given rope diameter.
3. Bending Radius: The rope diameter determines the minimum bending radius required for the rope to pass through the pulley. Using a pulley with a smaller bending radius than the rope diameter can cause excessive strain and deformation of the rope, leading to premature failure. It is essential to select a rope pulley that accommodates the bending radius recommended for the specific rope diameter to ensure the longevity and reliability of the system.
4. Efficiency: The rope diameter also affects the overall efficiency of the pulley system. Thicker ropes generally have lower flexibility and increased resistance to bending, which can result in higher friction losses within the pulley. Choosing a pulley with an appropriate groove size for the rope diameter helps minimize friction and energy losses, improving the overall efficiency of the system.
5. Application Specifics: Different applications may require specific rope diameters based on factors such as load requirements, environmental conditions, and safety considerations. For example, heavy-duty applications may necessitate thicker ropes to handle larger loads, while lighter applications may utilize thinner ropes for easier handling and reduced weight. Selecting the right rope pulley involves considering the application-specific requirements and matching them with the appropriate rope diameter.
6. Manufacturers’ Recommendations: It is important to consult the manufacturers’ recommendations and guidelines for selecting the right rope pulley based on the rope diameter. Manufacturers often provide specifications and compatibility charts that outline the suitable pulley options for different rope diameters. Following these recommendations ensures optimal performance, safety, and reliability of the rope pulley system.
Considering the significance of rope diameter in selecting the right rope pulley is crucial for ensuring proper engagement, load capacity, bending radius compliance, efficiency, application suitability, and adherence to manufacturers’ guidelines. By choosing a rope pulley that matches the specific rope diameter, the overall performance and longevity of the pulley system can be maximized.
How do advancements in material technology influence the design of modern rope pulleys?
Advancements in material technology have a significant impact on the design of modern rope pulleys. Here’s a detailed explanation:
1. Lightweight and High-Strength Materials: The development of lightweight and high-strength materials, such as advanced polymers, composites, and alloys, has revolutionized the design of rope pulleys. These materials offer superior strength-to-weight ratios compared to traditional materials like steel. As a result, modern pulleys can be designed with reduced weight while maintaining or even enhancing their load-bearing capacity.
2. Corrosion Resistance: Some industries operate in corrosive environments, such as marine or chemical industries. Advancements in material technology have led to the development of corrosion-resistant materials that can withstand exposure to harsh chemicals, saltwater, and other corrosive agents. Pulleys made from these materials maintain their performance and integrity over extended periods, reducing maintenance requirements and increasing their lifespan.
3. Wear Resistance: Modern materials with improved wear resistance properties contribute to the longevity and durability of rope pulleys. These materials can withstand friction, abrasion, and repetitive motion without significant wear or degradation. This results in reduced maintenance and replacement costs, making them more cost-effective for industrial applications.
4. Self-Lubricating Properties: Some advanced materials possess self-lubricating properties, reducing the need for external lubrication in rope pulley systems. These materials have low friction coefficients and can self-lubricate during operation, minimizing wear on the pulley and the rope. Self-lubricating pulleys offer advantages such as reduced maintenance, improved efficiency, and cleaner operation.
5. Temperature Resistance: Industries that operate in extreme temperature conditions, such as aerospace or oil and gas, require rope pulleys that can withstand high or low temperatures. Modern materials have been developed to exhibit excellent temperature resistance, allowing pulleys to maintain their performance and structural integrity under extreme temperature variations.
6. Design Flexibility: Advancements in material technology have increased the design flexibility of modern rope pulleys. These materials can be molded, extruded, or formed into complex shapes, allowing for customized designs to meet specific application requirements. Designers have the freedom to optimize pulley shapes, groove designs, and other features to enhance performance, efficiency, and load-bearing capabilities.
7. Enhanced Safety Features: Some modern materials incorporate safety features into the design of rope pulleys. For example, materials with high impact resistance can help prevent accidents and minimize the risk of pulley failure. Additionally, materials with inherent flame retardant properties can improve safety in industries where fire hazards are a concern.
Advancements in material technology continue to drive innovation in the design of modern rope pulleys. By leveraging the properties of new materials, engineers can create pulleys that are lighter, stronger, more durable, corrosion-resistant, and tailored to specific industrial needs. These advancements contribute to improved performance, efficiency, and safety in various applications where rope pulleys are utilized.
Are there variations in rope pulley sizes and configurations?
Yes, there are variations in rope pulley sizes and configurations to cater to different applications and load requirements. Here’s a detailed explanation:
1. Sizes: Rope pulleys come in a range of sizes to accommodate various rope diameters and load capacities. Smaller pulleys are typically used for lighter loads or in situations where space is limited. Larger pulleys are employed for heavier loads and applications where additional mechanical advantage is required. The size of the pulley is determined based on factors such as the diameter and type of rope used, the anticipated load, and the available space for installation.
2. Configurations: Rope pulleys can be configured in different ways to suit specific requirements. Some common configurations include:
- Single Pulley: A single pulley consists of a single wheel with a grooved rim and a stationary or movable axle. It is used for basic redirection of force and change in direction.
- Double Pulley: A double pulley, also known as a block and tackle, consists of two pulleys mounted on a common axle. It provides increased mechanical advantage by dividing the load between the two ropes. Double pulleys are commonly used in lifting heavy loads.
- Multiple Pulleys: Pulley systems can be created by combining multiple pulleys. These systems can include fixed and movable pulleys arranged in various configurations, such as the compound pulley system or the complex block and tackle system. Multiple pulley configurations offer higher mechanical advantage and are used for lifting extremely heavy loads with reduced effort.
The choice of pulley size and configuration depends on factors such as the weight and type of load, the required mechanical advantage, the available space, and the specific application. Engineers, riggers, and designers consider these factors to select the most appropriate pulley size and configuration to ensure safe and efficient lifting and movement of loads.
editor by CX
2024-05-17