In the dynamic and rapidly evolving world of industrial machinery, crane cables play a crucial role in ensuring the safe, efficient, and reliable operation of cranes and other heavy lifting equipment. China, as one of the global leaders in wire rope and cable manufacturing, is at the forefront of this industry, catering to a wide range of applications from construction and port logistics to offshore oil exploration and mining.
This in-depth guide delves into the complexities and opportunities of the crane cable industry in China. Readers will gain insights into the key players, such as Jiangsu Safety Group, Jiangyin Gaosheng Metal Products Co., Ltd., and Suzhou Lianyi Wire Rope Co., Ltd., who are setting industry standards with their high-quality products and innovative technologies.
You will learn about the critical factors influencing the market, including the importance of quality control, intellectual property, and logistical considerations when sourcing crane cables from China. The guide will also explore the various types of crane cables, their applications, and the advanced
Crane Cable
Guide to SSG Crane Cables
Overview
SSG crane cables are designed and engineered to meet the demanding requirements of crane operations in various industrial settings. These cables are characterized by their super flexibility, high durability, and high reliability, making them ideal for hazardous locations.
Key Features of SSG Crane Cables
Flexibility and Durability
- SSG crane cables are engineered to be highly flexible, allowing them to withstand continuous flexing and twisting without compromising their performance.
- These cables are built to be highly durable, ensuring they can resist the mechanical stresses associated with crane operations.
Environmental Resistance
- The cables are designed to be resistant to a range of environmental factors, including:
- Abrasion: They can withstand wear and tear from constant movement and contact with other surfaces.
- Chemical Solvents: The cables are resistant to various chemical solvents, ensuring they remain intact in chemically harsh environments.
- Oil and Moisture: They are resistant to oil and moisture, making them suitable for use in wet or oily conditions.
- Flame: The cables have flame-resistant properties, enhancing safety in high-risk environments.
- Extreme Temperatures: They can operate effectively across a wide range of temperatures.
Mechanical Stress Handling
- SSG crane cables are capable of handling high mechanical stresses, including dynamic tensile loads and frequent reeling and unreeling operations.
- This makes them suitable for use in high-speed container cranes, ship-to-shore cranes, and other material handling equipment.
Types of Crane Cables
Reeling Cables
- Low Voltage (LV) Reeling Cables: Designed for high mechanical stress, these cables are suitable for frequent reeling and unreeling operations with spring and motor-driven reels.
- Medium Voltage (MV) Reeling Cables: These cables are engineered for medium-voltage reeling applications on container handling cranes, log handling cranes, stacker reclaimers, and other similar material handling equipment.
Festoon Cables
- While not explicitly detailed on the SSG page, festoon cables are commonly used in crane applications for continuous flexing and twisting. They can be round or flat, depending on the space and flexing requirements.
Spreader Cables
- These cables are designed for crane spreader basket applications, combining superior flexibility with the necessary ballast for high-speed operations.
Applications
Container Handling
- SSG crane cables are widely used in container-handling terminals and yard cranes, where high-speed and high-stress operations are common.
Material Handling
- They are also used in various material handling applications, including log handling cranes, stacker reclaimers, ship loaders and unloaders.
Industrial Settings
- The cables are suitable for use in other industrial settings where high flexibility and durability are required, such as in manufacturing plants and construction sites.
Safety and Certifications
Quality Control
- SSG cable group employs a strict quality control system, ensuring that every batch of cables meets the highest safety and reliability standards.
- The company is ISO9001, ISO 14001, and GB/T 28001 certified, reflecting its commitment to quality and safety.
Certifications
- SSG cables can be certified with CE, UL, and CCC marks upon request, ensuring compliance with international safety standards.
Conclusion
SSG crane cables are engineered to provide reliable and durable performance in the most demanding crane operations. With their high flexibility, environmental resistance, and ability to handle mechanical stresses, these cables are a critical component in ensuring the safe and efficient operation of cranes in various industrial settings. The strict quality control and certifications further enhance the reliability and safety of these cables.
Crane Cable-Port Crane Special Cable …
Guide to Crane System Cables by Derul Cable (Shanghai) Co., Ltd.
Introduction
Crane system cables, manufactured by Derul Cable (Shanghai) Co., Ltd., are specialized cables designed to meet the demanding requirements of crane operations and other heavy-duty lifting equipment. These cables are engineered to withstand harsh conditions and mechanical stresses associated with crane use.
Key Features of Crane Cables
Material and Construction
- Conductors: Crane cables often feature fine stranded bare or tinned copper conductors, which provide excellent conductivity and flexibility.
- Insulation: The insulation is typically made from materials like polyethylene (PE) or polyvinyl chloride (PVC), ensuring electrical integrity and durability.
- Sheath: The outer sheath is usually made of polyurethane (PUR), known for its toughness, wear resistance, and ability to withstand various environmental conditions[2][3].
Mechanical Properties
- Tensile Strength: These cables are designed to have high tensile strength to handle the mechanical stresses of crane operations.
- Flexibility: Crane cables are highly flexible, allowing them to bend and move without compromising their structural integrity.
- Wear Resistance: The materials used, such as PUR, ensure that the cables are resistant to wear and tear, extending their lifespan[2].
Performance Specifications
- Bending Radius: Crane cables have a specified minimum bending radius to ensure they can be used in tight spaces without damage.
- Travel Speed: These cables can operate at high travel speeds, such as 240m/min for trolley (festoon) systems and 60m/min for reeling operations[1].
Applications
Crane system cables are widely used in various settings, including:
– Ports: For crane operations in port facilities.
– Construction Sites: To support heavy lifting and moving of materials.
– Warehouses: For material handling and storage.
– Other Industrial Settings: Anywhere heavy-duty lifting equipment is employed[2].
Customization and Specialization
Derul Cable offers customization options to meet specific application requirements:
– Custom Cable Solutions: Derul can design and manufacture cables tailored to different working conditions, ensuring the best fit for the user’s needs.
– International Certifications: Their cables are certified by international authorities such as CE, ISO, and ROHS, ensuring reliability and compliance with global standards[3].
Benefits of Using Derul Crane Cables
Durability and Reliability
- Crane cables from Derul are built to last, with materials and construction that withstand the harsh conditions of crane operations.
- They offer high tensile strength, wear resistance, and torsion resistance, making them reliable choices for heavy-duty applications.
Flexibility and Versatility
- These cables are highly flexible, allowing for smooth operation in various environments.
- They can be customized to fit specific needs, making them versatile for different types of crane systems and applications.
Compliance with International Standards
- Derul cables meet international standards, ensuring they are safe and reliable for use in diverse industrial settings.
Conclusion
Derul Cable (Shanghai) Co., Ltd.’s crane system cables are designed to provide robust, reliable, and flexible solutions for heavy-duty lifting and moving operations. With their high-quality materials, customizable options, and compliance with international standards, these cables are an excellent choice for industries that require durable and efficient cable solutions.
Crane wire rope | steel wire rope manufacturer
Since the provided websites do not include the specific content from https://www.safety-rope.com/crane-wire-rope/
, the following guide is compiled based on the general information available from the other sources, tailored to provide a comprehensive overview on the topic of crane wire rope.
Guide to Crane Wire Rope
Introduction
Crane wire ropes are crucial components in various industrial and construction applications, ensuring the safe and efficient lifting and moving of heavy loads. This guide will delve into the types, features, and considerations for selecting the appropriate crane wire rope.
Types of Crane Wire Rope
General Purpose vs. Specialized Wire Rope
- General Purpose Wire Rope: While general purpose wire ropes are versatile and used in many applications, they may not meet the specific demands of crane operations. These ropes typically have six strands with an Independent Wire Rope Core (IWRC) and are suitable for lifting, overhead securement, and pulling[3].
Specialized Crane Wire Ropes
- Compacted Strand Wire Ropes: These ropes are produced by compressing strands, resulting in increased resistance to wear and fatigue. They are ideal for crane applications due to their high strength, stability, and abrasion resistance[5].
- Rotation-Resistant Wire Ropes: These are designed to prevent the load from rotating, which is critical for maintaining stability and control during lifting operations. They often feature layers of compacted strands oriented in a tightly-knit pattern around a core[3][4].
Features of Crane Wire Ropes
Corrosion Resistance
- Crane wire ropes can be made from various materials, including galvanized steel and stainless steel, to enhance corrosion resistance. Galvanized wire ropes are suitable for corrosive environments, while stainless steel ropes offer superior resistance to corrosion and are ideal for harsh conditions[1][2].
Strength and Breaking Load
- The breaking strength of crane wire ropes is a critical factor. It is recommended that the breaking strength of new wire ropes be five times the size of the largest load for lifting applications and three times for pulling applications[2][4].
Flexibility and Spooling
- Crane wire ropes need to have excellent flexibility to ensure smooth spooling conditions in multiple layer winding and all hoisting processes. Compact strand ropes and those with parallel lay structures are particularly good for this purpose[2][3].
Rotation Resistance
- Rotation-resistant ropes are essential for crane operations to prevent the load from twisting under heavy loads. These ropes can be categorized based on the number of outer strands, with higher strand counts offering greater rotation resistance[4].
Key Considerations for Selecting Crane Wire Rope
Strength and Load Capacity
- The wire rope must have sufficient strength to handle the dynamic loads resulting from sudden starts and stops, high speeds, and dead weight. The tensile strength of the steel used is a key factor, with options ranging from Improved Plow Steel to Extra Extra Improved Plow Steel[4].
Crushing Resistance
- The ability of the wire rope to resist external pressure as it moves along sheaves and drums is crucial. Compact strand ropes are particularly effective in this regard[4].
Fatigue Resistance
- The wire rope should be able to absorb shock waves and vibrations created during regular operation. Compact and swaged wire ropes offer enhanced fatigue resistance[5].
Corrosion Resistance
- Depending on the environment, the wire rope may need to be resistant to corrosion. Galvanized and stainless steel options are available for this purpose[1][2].
Bend Ability and Metal Loss
- The wire rope should recover well from bending and resist deformation. Repeated bending can cause outer strands to deform and eventually break[4].
Applications of Crane Wire Ropes
Offshore and Dockside Cranes
- Crane wire ropes are essential for offshore platforms, dockside cranes, and container cranes. They ensure smooth operation in these demanding environments[2].
Tower Cranes and Mobile Cranes
- These ropes are used in tower cranes, mobile cranes, boom cranes, and overhead cranes. Each type of crane may require specific types of wire ropes tailored to their operational needs[2][3].
Construction and Industrial Settings
- Crane wire ropes are critical in construction for lifting heavy equipment and materials. They are also used in various industrial settings, including the steel industry and energy sectors[5].
Maintenance and Inspection
Regular Inspection
- Regular inspection of crane wire ropes is vital to ensure safety and prevent failures. Inspectors should look for signs of wear, corrosion, and damage to the wires and strands[3].
Replacement Criteria
- Wire ropes should be replaced based on criteria such as the number of broken wires, corrosion, and signs of wear. Following the manufacturer’s guidelines and industry standards is essential for maintaining safety and efficiency[4].
Conclusion
Selecting the right crane wire rope involves careful consideration of several factors, including strength, corrosion resistance, flexibility, and rotation resistance. Understanding the different types of wire ropes and their features can help ensure safe and efficient crane operations. Regular maintenance and inspection are also crucial to extend the life of the wire rope and prevent accidents.
High Strength Crane Wire Rope
Guide to Wire Rope and Electric Wire Rope Hoists
Introduction
Wire rope and electric wire rope hoists are critical components in material handling and crane systems, known for their durability, versatility, and high load-carrying capacities. Here is a comprehensive guide to understanding these systems.
Wire Rope: A Crucial Component
Structure and Materials
Wire rope is made of multiple strands wound together, typically from steel. Each strand has a tensile strength ranging between 1470 N/mm² and 2160 N/mm², ensuring high strength and reliability[1].
Surface Treatment
Wire ropes can undergo various surface treatments to suit specific applications. These treatments enhance the rope’s resistance to corrosion and wear, making them suitable for diverse environments[1].
Safety Factor
Wire ropes, especially those made from galvanized steel, have a high safety factor (e.g., factor 4.6 – FEM 2m), which is crucial for ensuring safe and reliable operation in crane and hoisting systems[1].
Electric Wire Rope Hoists
Overview
Electric wire rope hoists are advanced lifting solutions that combine the strength of wire ropes with the efficiency of electric motors. These hoists are designed to handle loads ranging from 1000 kg to 100,000 kg[1].
Key Features
Compact Structure
Modern electric wire rope hoists, such as the VT type, feature a compact structure that allows for efficient use of space. This design also includes a C-shaped block for smooth operation[1].
Superior Performance
These hoists are equipped with advanced technologies, including up to 13 patented innovations, which enhance their performance and reliability. They offer superior lifting capabilities and precise load positioning[1].
Variable Travelling Speed
Electric wire rope hoists often come with variable travelling speeds, allowing for precise positioning of loads. This feature is particularly useful in applications requiring high accuracy[1].
Maintenance
The design of these hoists includes features that facilitate easy maintenance, such as electrical cubicles with fold-back covers and integrated tool storage. This ensures that maintenance tasks can be performed efficiently[1].
Types of Electric Wire Rope Hoists
EWH Electric Wire Rope Hoist
The EWH Electric Wire Rope Hoist is a product developed by Eurocrane, known for its leading technology and modular design. It is designed to meet various customer needs and features a compact, smooth-operating structure[1].
VT Wire Rope Electric Hoist
The VT Wire Rope Electric Hoist is a new generation product that breaks traditional design barriers. It boasts a compact structure, superior performance, and short headroom requirements, making it ideal for a wide range of applications[1].
Low Headroom Electric Wire Rope Hoist
This type of hoist is designed for environments where space is limited. It offers the same high performance and reliability as other models but with a lower headroom requirement, making it suitable for confined spaces[1].
Applications and Uses
Crane Systems
Wire ropes and electric wire rope hoists are integral components of crane systems, including overhead cranes, gantry cranes, and single girder overhead cranes. They are used for lifting and moving heavy loads efficiently and safely[1].
Material Handling
These systems are widely used in material handling applications across various industries, including construction, manufacturing, and logistics. They provide reliable and efficient solutions for lifting and moving heavy materials[1].
Safety and Maintenance
Safety Considerations
The high safety factor of wire ropes and the advanced design of electric wire rope hoists ensure safe operation. Regular maintenance is crucial to maintain this safety and performance level[1].
Maintenance Tips
- Regularly inspect the wire ropes for signs of wear and damage.
- Perform routine maintenance on the electrical components and motors.
- Ensure all safety features, such as safety wires and fold-back covers, are functioning correctly[1].
Conclusion
Wire rope and electric wire rope hoists are essential for modern material handling and crane systems. Their high strength, advanced features, and safety considerations make them indispensable tools in various industries. By understanding the structure, features, and applications of these systems, users can ensure safe, efficient, and reliable operation.
Crane Cable – Qingdao Qianwang Electric Co., Ltd
Since the specific website you mentioned is not accessible in the search results provided, I will create a comprehensive guide based on the general information available about crane cables and wire ropes from the other sources.
Guide to Crane Cables and Wire Ropes
Introduction
Crane cables and wire ropes are critical components in various industrial and construction applications, including overhead cranes, tower cranes, and mobile cranes. These cables are designed to handle heavy loads, provide reliable electrical connections, and ensure safe operation.
Types of Crane Cables
Electrical Crane Cables
Application
Electrical crane cables are used for powering and controlling crane operations, including EOT cranes, pendant push button stations, and moving electromechanical components[1].
Construction
- Conductors: Typically made of tin-plated copper, stranded 99.99% oxygen-free copper, or copper-coated materials.
- Insulation: Special PVC or Thermoset EPR insulation.
- Outer Sheath: Rubber or Thermoset CPE jacket for mechanical protection and resistance to UV rays, greases, and oils[1][2].
Specifications
- Operational Voltages: Up to 300V or 500V.
- Temperature Range: -15℃ to +40℃ or up to 60℃ for some models[1][4].
- Standards: Comply with ISO 4309:2011, VDE0482, IEC60332-1, EN50265-2-1, and CE standards[1].
Magnet Crane Cables
Application
Magnet crane cables are designed for use on magnet cranes and mobile mining equipment, including lifting magnets, cutters, loaders, conveyers, drills, and pumps[2].
Construction
- Conductors: Flexible stranded, annealed copper.
- Insulation: Thermoset EPR.
- Jacket: Thermoset CPE with an open reinforced over assembly for mechanical protection[2].
Specifications
- Voltage Rating: 600V/2kV.
- Temperature Rating: Up to 90℃.
- Use: Suitable for portable power situations and temporary power supply where grounded circuits are not required[2].
Types of Crane Wire Ropes
Rotation Resistant Crane Wire Ropes
Application
These wire ropes are used for general purpose overhead lifting, suspension, skidding, and drag lines. They are ideal for rigging, mining, construction, logging, oilfield, machine moving, and aerospace applications[3].
Construction
- Strand Compaction: Dy-Pac strand compaction process for improved rotation resistance.
- Rope Construction: Multi-strand construction with a smooth outside strand profile to reduce sheave and drum wear[3].
Specifications
- Cable Diameter: Available in various diameters, e.g., 9/16 inch.
- Nominal Breaking Load: Up to 18.6 tons.
- Safety Factor: Recommended working load limit of 10:1[3].
General Purpose Crane Wire Ropes
Application
These wire ropes are used for main hoist, boom hoist, and other crane applications requiring high strength and durability.
Construction
- Materials: Galvanized steel wires, high carbon steel wire, or stainless steel wires.
- Tensile Strength: Ranges from 1370N/mm² to 2260N/mm².
- Coating: Galvanized wire, bright phosphate wire, or other custom coatings[1][5].
Specifications
- Nominal Diameter: Available in various diameters (e.g., 32mm to 40mm).
- Minimum Breaking Load: Varies based on diameter and material grade.
- Rope Grades: Different grades such as FC (Fiber Core) and WC (Wire Core) with varying breaking loads[5].
Key Considerations
Material Selection
- Conductors: Copper or copper-coated materials for electrical cables.
- Wire Ropes: Galvanized steel, high carbon steel, or stainless steel for different applications and environments[1][5].
Operating Conditions
- Temperature Range: Ensure the cable or wire rope is suitable for the operating temperature range of the application.
- Environmental Factors: Consider resistance to UV rays, greases, oils, and weather conditions[1][4].
Safety and Compliance
- Standards: Ensure compliance with relevant standards such as ISO, VDE, IEC, EN, and CE.
- Safety Factor: Always use the recommended working load limit to avoid exceeding the rated capacity[1][3].
Maintenance and Inspection
- Regularly inspect crane cables and wire ropes for signs of wear, abrasion, or damage.
- Follow manufacturer guidelines for maintenance and replacement to ensure safe and reliable operation.
Conclusion
Crane cables and wire ropes are essential for the safe and efficient operation of cranes in various industries. Understanding the types, construction, and specifications of these cables and ropes is crucial for selecting the right product for your application. Always consider the material, operating conditions, and safety standards to ensure reliable performance and safety.
Crane Cable – China Supplier, Wholesale
Given that the provided URL does not lead to a specific page with detailed information on crane cables or wire ropes, I will create a comprehensive guide based on the information gathered from the other sources.
Guide to Crane Wire Ropes and Cables
Introduction
Crane wire ropes and cables are critical components in the lifting and hoisting industry, ensuring safe and efficient operations. This guide will cover the key aspects of crane wire ropes and cables, including their construction, types, applications, and selection criteria.
Types of Crane Wire Ropes
Construction and Classification
- Number of Strands and Wires: Wire ropes are classified based on the number of strands and wires per strand. Common classifications include 6×7, 6×19, 6×36, 7×19, and 8×19[4][5].
- Strand Patterns: Common strand patterns include Filler Wire, Seale, and Warrington. Each pattern offers different properties such as flexibility, strength, and resistance to abrasion[4].
Core Types
- Fiber Core (FC): Made of natural or synthetic fibers, these cores offer greater elasticity but are more susceptible to crushing and not suitable for high heat environments[4].
- Independent Wire Rope Core (IWRC): Best suited for applications requiring high strength and stability, especially in environments with high temperatures[4].
- Wire Strand Core (WSC): Typically used in utility cables, this core is made of wires[5].
Lay and Direction
- Regular Lay: Wires line up with the axis of the rope, providing resistance to crushing forces and better spooling in drums[4].
- Lang Lay: Wires form an angle with the axis, offering greater fatigue resistance and abrasion resistance[4].
- Alternate Lay: Alternating between regular and lang lay, used for special applications[4].
Specialized Crane Wire Ropes
Rotation-Resistant Ropes
- These ropes are designed to minimize rotation, often used in applications where block twisting is a concern. Examples include Python® Multi10 and CWR-10 Compacted[1][2].
High-Strength and High-Fatigue Ropes
- Python® Power 9: A 9-strand rope with ForcePac® swaged compaction, offering up to 40% strength increase over standard 6-strand constructions[1].
- Python® Ultra10: A 10-strand rope with DoPar® and ForcePac® construction, providing up to 55% strength increase over standard 6-strand constructions[1].
Compact and Swaged Ropes
- CWR-826 Compacted: Eight compacted strands with excellent crush resistance and high breaking force, suitable for boom cranes and overhead cranes[2].
- Python® Compac 88: An 8-strand HiPac® and DoPar® constructed rope for fast-running overhead cranes, offering extreme high breaking strength and super flexibility[1].
Applications of Crane Wire Ropes
Overhead Cranes
- Often use smaller sizes between 5/16″ and 7/16″ (5 mm to 11 mm) and require ropes with high fatigue life and resistance to block twisting[1].
Mobile and Tower Cranes
- Ropes like CWR-347 Compacted and Python® Compac 35 are recommended for these applications due to their rotation resistance and flexibility[2][1].
Offshore and Dockside Cranes
- Ropes such as CWR-637 WS and Python® 4-RUNNER are used for their high strength, crush resistance, and ability to handle abrasive loads[2][1].
Selection Criteria for Crane Wire Ropes
Tensile Strength
- The breaking strength of new wire ropes should be five times the size of the largest load for lifting applications and three times for pulling applications[2].
Coating and Material
- Options include bright phosphate wire, galvanized wire, or stainless steel. The choice depends on the operating environment and required durability[2].
Wire Diameter
- Ranges from 0.3mm to 4mm or thicker, depending on the application requirements[2].
Operating Conditions
- Consider factors such as temperature, abrasion, and the presence of swivels. For example, some ropes like CWR-10 Compacted are not suitable for use with swivels[2].
Maintenance and Safety
Lubrication
- Regular lubrication is crucial to extend the life of the wire rope. Some ropes come with plastic-coated cores for permanent core lubrication[1][2].
Inspection
- Regular inspections are necessary to identify signs of wear, corrosion, or damage. This helps in preventing accidents and ensuring the rope’s longevity.
Replacement
- Wire ropes should be replaced based on the manufacturer’s recommendations or when signs of significant wear are observed.
Conclusion
Selecting the right crane wire rope involves a thorough understanding of the application requirements, including the type of crane, operating conditions, and the necessary strength and durability. By considering the construction, classification, and specialized types of wire ropes, users can ensure safe and efficient lifting operations. Regular maintenance and inspection are also critical to the longevity and safety of the wire ropes.
China Crane cables Manufacturers & … – Tradekey
Guide to Crane Cables from Chinese Manufacturers
Introduction
Crane cables are specialized cables designed to meet the unique demands of crane operations, including overhead cranes, hoist cranes, and vessel cranes. These cables are crucial for the safe and efficient operation of cranes in various industries such as construction, manufacturing, and maritime.
Types of Crane Cables
Overhead Crane Cables
- These cables are specifically designed for use with overhead cranes and are often equipped with lateral suspension strands.
- They are used for remote control operations from push-button boxes.
- Key specifications include a maximum hanging length and tensile load capacities of the steel supports[1].
Hoist Crane Cables
- Designed for hoist crane applications, these cables are built to withstand the heavy lifting and lowering operations.
- They are typically more robust and have higher tensile strength compared to other types of crane cables[5].
Vessel Crane Cables
- These cables are used on vessel cranes and may include additional features such as wire rope tension load cell sensors for load measuring and monitoring[2].
Key Specifications and Features
Technical Data
- Tensile Load: Crane cables must have a high tensile load capacity to support the weight and stress of crane operations.
- Hanging Length: The maximum hanging length of the cable is a critical specification, especially for overhead crane cables.
- Material: Crane cables are often made with durable materials such as steel-reinforced conductors and robust insulation to ensure longevity and reliability[1].
Packaging and Delivery
- Crane cables are typically packaged in wooden trays to protect them during transportation.
- Delivery times can vary, but many manufacturers offer quick turnaround times, such as 10 days[1].
Supplying Ability
- Reputable manufacturers have a high supplying ability, often up to 10,000 meters per day, to meet large-scale demands[1].
Manufacturers and Suppliers
Chinese Manufacturers
- China is home to numerous manufacturers and suppliers of high-quality crane cables.
- Companies like SHANGHAI JSIN CABLE CO., LTD specialize in producing a range of crane cables, including overhead and hoist crane cables[1][3].
Pricing and Payment
FOB Price
- The FOB (Free on Board) price for crane cables can range from $1.5 to $5 per meter, depending on the type and specifications of the cable[1].
Minimum Order Quantity
- The minimum order quantity is often set at 500 meters, although this can vary depending on the manufacturer[1].
Payment Options
- Manufacturers offer various payment options including T/T (Telegraphic Transfer), L/C (Letter of Credit), D/P (Documents Against Payment), Western Union, Money Gram, PayPal, and other methods[1].
Quality and Reliability
Quality Assurance
- Reputable manufacturers ensure that their crane cables meet stringent quality standards to guarantee reliability and safety in crane operations.
- Look for manufacturers with a long history and good customer feedback to ensure quality products[4].
Compliance with Standards
- Crane cables must comply with industry standards and regulations to ensure they are safe for use in various applications.
Conclusion
Crane cables are a critical component in crane operations, and selecting the right type and quality is essential for safety and efficiency. By understanding the different types of crane cables, their specifications, and the reliable manufacturers available, you can make informed decisions to meet your specific needs. Always ensure that the cables you choose comply with industry standards and are sourced from reputable suppliers.
The Cable Crane Company – Three Gorges Dam
Construction of the Three Gorges Dam: A Comprehensive Guide
Overview of the Three Gorges Dam
The Three Gorges Dam is one of the largest and most complex hydroelectric projects in the world, located on the Yangtze River in central China. The construction of this dam involved advanced engineering and specialized equipment, particularly the use of luffing cable crane systems.
Role of Luffing Cable Crane Systems
The Three Gorges Dam was constructed using luffing cable crane systems provided by Thyssenkrupp AG. Here are the key details about these systems:
Design and Functionality
- The luffing cable crane systems utilized for the dam’s construction were among the largest and most complex in the world.
- These systems featured 150 m high towers that could be tilted by approximately 12° using multiple reeved luffing ropes driven by winches[1][4].
Technical Specifications
- The luffing ropes had a diameter of 48 mm and a total length of 16.8 km.
- The tilting movement allowed for a rectangular working area, which was crucial for the construction process[1][4].
Assembly and Installation
- A new assembly concept was developed to assemble the four towers, each 150 m high, on a limited area of 20 x 65 m and at a height of 80 m above the accessible terrain.
- This approach ensured minimal disturbance to the construction site located 115 m below the installed cable crane systems[1].
Construction Challenges and Solutions
Site Constraints
- The construction site presented significant challenges, including limited space and complex terrain.
- The innovative assembly concept allowed for the towers to be erected without disrupting the ongoing construction activities below[1].
Working Area and Precision
- The luffing cable crane systems enabled a precise and efficient working area, which was essential for the placement of materials and equipment during the dam’s construction.
- The ability to tilt the towers ensured that the cranes could operate effectively across a wide area[1][4].
Impact and Significance
Engineering and Technological Achievement
- The use of luffing cable crane systems in the Three Gorges Dam project represents a significant engineering and technological achievement.
- It demonstrates the capability to handle complex and large-scale construction projects using advanced crane technologies[1].
Contribution to the Project
- The cable crane systems played a critical role in the successful completion of the dam, facilitating the precise and efficient placement of materials and equipment.
- This technology was instrumental in overcoming the logistical and spatial challenges of the construction site[1].
Conclusion
The construction of the Three Gorges Dam using luffing cable crane systems highlights the importance of advanced engineering solutions in large-scale infrastructure projects. The innovative use of these systems addressed significant challenges and ensured the efficient and precise execution of the construction process. This approach sets a precedent for future complex engineering projects, showcasing the potential of specialized crane technologies in overcoming logistical and technical hurdles.
Wire Rope for Crane China Manufacturers Suppliers …
Given the provided sources, here is a comprehensive guide to the Eurocrane Group’s wire rope electric hoists, structured in a clear and detailed manner.
Introduction to Eurocrane Group
Eurocrane Group is a well-known professional manufacturer and service provider of cranes and material handling products. The company is dedicated to the development and research of crane and material handling technology, focusing on R&D, design, manufacturing, installation, and services of high-end equipment.
Business Scope and Global Presence
Eurocrane Group has a comprehensive product line that includes cranes, electric hoists, transmission equipment, and engineering machinery components. Their products are reliable, perform well, and have been applied in over 20 professional fields such as high-end equipment manufacturing, transportation and logistics, paper-making, energy and power, automobiles and ships, metal processing, aeronautics, and astronautics. The company serves more than 5,000 medium- and high-end customers worldwide, with products distributed in over 50 countries and regions.
Wire Rope Electric Hoists
Overview
Wire rope electric hoists are crucial components in material handling and crane systems. Eurocrane Group offers advanced wire rope electric hoists designed to meet various customer needs.
Key Features
Design and Structure
- The EWH Electric Wire Rope Hoist features a trend-leading C-shaped design, providing a compact structure and smooth operation.
- These hoists are designed with a modular concept, ensuring accurate positioning and reliable performance[2].
Technology and Innovation
- Utilizes variable frequency control technology, braking energy feedback technology, and security monitoring technology.
- The VT type electric wire rope hoist is a revolutionary product with 13 patented technologies, offering superior performance and short headroom design[1][2].
Safety and Reliability
- Wire ropes are made of galvanized steel with a high safety factor (factor 4.6 – FEM 2m).
- The electrical cubicle is designed with a cover that can be folded back for easy maintenance, secured by two steel safety wires[1].
Load Capacity
- The maximum lifting load of the EWH Electric Wire Rope Hoist can range from 1000 kg to 80 tons, catering to a wide range of applications[2].
Models and Specifications
EWH Electric Wire Rope Hoist
- Model No.: Eurocrane-EWH
- Brand: Eurocrane
- Place of Origin: China
- Supply Ability: 3000 sets per year
- Warranty Period: 1 Year
- Certificate: ISO9001/ISO14001
- HS Code: 84251100
- Payment Type: T/T
- Incoterm: FOB, CFR, CIF, EXW, FCA, CPT, CIP[2].
Other Models
- Eurocrane also offers various other models such as the 5 Ton Electric Wire Rope Hoist, 10 Ton Electric Wire Rope Hoist, and more, each tailored to specific load requirements[4].
Components and Configuration
Standard Configuration
- The standard configuration includes the hoist unit, wire rope, electrical cubicle, and control system.
- The wire rope is made of multiple strands wound together, each strand having a tensile strength ranging between 1470 N/mm² and 2160 N/mm²[1].
Customization
- Eurocrane offers customization options to suit specific customer needs, including different surface treatments for the wire rope and adjustable travelling speeds for precise load positioning[1].
Applications and Industries
Wire rope electric hoists from Eurocrane Group are widely used in various industries, including:
– High-end equipment manufacturing
– Transportation and logistics
– Paper-making
– Energy and power
– Automobiles and ships
– Metal processing
– Aeronautics and astronautics
These hoists are essential for efficient and safe material handling in these sectors.
Maintenance and Support
Eurocrane Group provides full lifecycle services for their products, including maintenance support. The electrical cubicle design allows for easy maintenance, with a cover that can be folded back and secured by safety wires[1].
Conclusion
Eurocrane Group’s wire rope electric hoists are advanced, reliable, and safe solutions for material handling needs. With their innovative designs, robust technology, and comprehensive support services, these hoists are ideal for a variety of industrial applications. The company’s commitment to quality, innovation, and customer satisfaction makes their products a preferred choice in the global market.
Tower Crane Power Cable China Manufacturers …
Guide to Tower Crane Electrical Power Cables
Introduction
Tower crane electrical power cables are specialized cables designed to meet the high demands of tower crane operations, ensuring reliable and safe power supply in various environmental conditions.
Key Specifications
Rated Voltage
- These cables are designed for use with AC 450/750V rated voltage, making them suitable for the electrical requirements of tower cranes[1][3].
Operating Temperature
- The long-term operating temperature of the cable conductors should not exceed 60°C.
- The environmental temperature range for these cables is -40°C to 50°C, ensuring they can operate effectively in a wide range of conditions[1][3].
Insulation and Sheath Material
- The insulation material is typically rubber, which provides good electrical insulation and mechanical strength.
- The sheath material is often PVC, offering additional protection against environmental factors[1][3].
Conductor Material and Type
- The conductors are made of copper, known for its excellent electrical conductivity.
- The conductor type is usually solid, which is suitable for the heavy-duty applications of tower cranes[1][3].
Construction and Design
Core Configuration
- Tower crane power cables come in various core configurations, such as 1 core, 2 cores, 3 cores, 4 cores, and 5 cores, each with different cross-sectional areas (e.g., 3×25+1×10 mm², 3×50+1×16 mm²)[1][3].
Outer Diameter
- The mean outside diameter of the cables varies based on the core configuration and cross-sectional area. For example, a 3×50+1×16 mm² cable can have an outer diameter ranging from 34.8 mm to 43.9 mm[1][3].
Weight
- The weight of the cable per meter also varies with the core configuration and cross-sectional area. For instance, a 3×25+1×10 mm² cable can weigh around 2.1 kg/m[2].
Performance and Testing
Electrical Performance
- These cables are designed to provide good electrical performance, ensuring reliable power supply to the tower crane.
- They can withstand a voltage test of 2500 V for 5 minutes without breakdown[1][3].
Mechanical Strength
- The cables are constructed to withstand significant mechanical forces, making them suitable for the dynamic and heavy-duty environment of construction sites.
- They have enhanced impact and friction resistance due to specialized rubber formulations[2].
Environmental Resistance
- Tower crane power cables are designed to be weather-resistant and have a certain level of oil resistance, making them suitable for outdoor use and environments where oil contact is possible[1][3].
Applications
Tower Cranes
- These cables are primarily used for powering tower cranes in construction sites, ensuring a stable and reliable power supply for the crane’s operations[1][2][3].
Other Heavy Electrical Equipment
- They can also be used for other heavy electrical equipment and mobile power connections where high reliability and durability are required[2].
Installation and Laying
Ease of Installation
- The cables are designed for easy laying and installation, which is crucial in construction environments where time and efficiency are key[2].
Static Laying
- These cables are mainly used for static laying in tower crane applications, ensuring minimal movement and wear during operation[2].
Safety and Compliance
Standards
- Tower crane power cables comply with various international standards such as GB/T 5013-2008, IEC, and others, ensuring they meet safety and performance requirements[1][3].
Safety Features
- The cables are designed with safety in mind, including features such as flame resistance, UV resistance, and resistance to greases and oils[4].
Customization and Additional Features
Custom Sizes and Configurations
- Manufacturers can customize the cable sizes and configurations to meet specific customer requirements, including adding extra control signal wires or incorporating steel wire ropes[2].
Specialized Cables
- There are also options for aluminum electrical power cables, which offer different properties such as higher permissible operating temperatures and resistance to chemical corrosion[5].
By understanding these specifications, designs, and applications, users can select and use tower crane electrical power cables that meet their specific needs and ensure safe and reliable operation of their equipment.
Frequently Asked Questions (FAQs)
What are the key components and materials of crane cables in China?
Crane cables in China are composed of several critical components and materials. The conductors are typically made of superfine strand copper, adhering to specific standards such as VDE0295, class 5. The insulation is usually a special type of PVC, and the core colors follow the IEC 227 standards, with colors such as brown, blue, black, and green/yellow. For cables with more than five cores, a black base with white numbering is used. The outer sheath is made of rubber and is available in black or grey colors. Additionally, crane cables may include steel wires for added strength, particularly in the form of stranded ropes or spiral ropes, which are designed to handle high tensile forces and repetitive bending under stress.
What are the application and operating conditions of crane cables in China?
Crane cables in China are designed for use in harsh operating conditions, particularly in environments such as railway stations, crane and dockyards. These cables are suitable for connecting and controlling cranes and conveyors. They are produced according to strict standards, including VDE0482, part 265-2-1, EN50265-2-1, and IEC60332-1, ensuring they are oil-resistant, flame-retardant, and self-extinguishing. The rated voltage of these cables is typically 300/500V or 450/750V, and they can operate within a temperature range of -15℃ to +40℃.
How do you specify crane cables for custom applications?
When specifying crane cables for custom applications, several key factors need to be considered. These include the length of the crane cable, the size of the cable, and the strand patterns such as single layer, filler wire, seal, Warrington, or combination patterns. Additionally, the type of core (e.g., fiber core, wire strand core) and whether the cable is preformed or non-preformed are important. Other specifications include the type and direction of lay, the surface finish of the cables, and the grade of the cables. Ensuring these specifications match the application requirements is crucial for optimal performance and safety.
What quality standards should crane cables in China conform to?
Crane cables in China must conform to several quality standards to ensure safety and reliability. These standards include ISO 4309:2011 and CE standards. Compliance with these standards ensures that the cables meet the necessary requirements for strength, durability, and performance under various operating conditions. Additionally, certifications such as VDE and IEC further guarantee that the cables are manufactured to high-quality standards, making them suitable for demanding applications.
How do you ensure the correct installation and maintenance of crane cables?
Ensuring the correct installation and maintenance of crane cables is vital for their longevity and performance. During installation, it is crucial to follow the manufacturer’s guidelines, including the correct tensioning and spooling procedures to avoid damage or improper functioning. Regular maintenance involves inspecting the cables for signs of wear and tear, ensuring that all connections are secure, and replacing the cables when necessary. Proper handling and storage of the cables are also important to prevent damage. Following these steps helps in preventing issues such as twist, spooling problems, or even equipment failure, thereby ensuring smooth and safe operations.