Have you ever wondered how cranes in different factories, especially those in China, compare when it comes to their rated load capacity? Let’s dive into the world of crane manufacturing and explore how top factories in China, like ZPMC, determine and maximize their crane load capacities, ensuring safety and efficiency in their operations.
China unveils 4000-tonne capacity mobile crane
Product Details: The XCMG XCA4000 is a 4000-tonne mobile crane designed for heavy lifting tasks, particularly for the installation of large wind turbines. It features an 11-axle configuration, a maximum lifting height of 170 meters, and can lift 230 tonnes to such heights. The crane is equipped with a superlift system, 300 tonnes of counterweight, and a six-section 85-meter boom extended with an 85-meter heavy-duty jib.
Pros:
– High lifting capacity, capable of lifting 230 tonnes to heights of 170 meters.
– Fast setup time compared to smaller lattice cranes, which can be beneficial for…
– Designed specifically for wind turbine installation, providing strong support fo…
Cons:
– Limited market due to its specialized use, primarily for wind turbine installati…
– Impractical for general construction use due to its large size (3.68 meters wide…
– High costs associated with R&D and manufacturing, which may not be covered by sa…
The Most Comprehensive Introduction To China’s Crane …
Product Details: Chinese cranes include a variety of types such as mobile cranes, crawler cranes, tower cranes, and overhead cranes. Mobile cranes are versatile and can be easily moved, while crawler cranes are ideal for challenging terrains due to their robust design and high capacity. Tower cranes are thriving in China, especially with the push for precast sections to expedite construction. Overhead cranes are complete systems including trolley, cross girder, end trucks, and electrification systems. Key specifications include lifting capacity, boom length, working radius, and maximum working height. Power sources can be electricity, diesel, or a combination of both.
Pros:
– Cost-effective: Chinese cranes are known for their affordable manufacturing cost…
– Quality: Despite lower costs, Chinese cranes are often manufactured to high-qual…
– Variety: China offers a wide range of crane options to meet specific project nee…
– Innovation: Chinese manufacturers are constantly developing new technologies and…
– Availability: Numerous manufacturers and suppliers in China make it easy to find…
Cons:
– Lead times: Ordering a crane from China can result in longer lead times due to s…
– Language barriers: Communication with Chinese manufacturers can be challenging d…
– Quality control: There have been cases of substandard products entering the mark…
– Warranty and support: Getting warranty support or after-sales service can be dif…
– Import/export regulations: Dealing with import/export regulations and tariffs ca…
1 Ton to 50 Ton Overhead Cranes in China, Types …
Product Details: Overhead cranes are categorized into single girder and double girder types. Single girder cranes typically have capacities ranging from 1 to 20 tons and spans from 7.5 to 31.5 meters. They have lifting heights of 6 to 30 meters and lifting speeds of 0.8 to 8 meters per minute. Double girder cranes are suited for heavy-duty applications, with capacities from 5 to 450 tons, spans from 10.5 to 31.5 meters, and lifting heights of 6 to 24 meters. They offer higher lifting speeds and greater hook heights compared to single girder cranes[1][3][5].
Pros:
– Single girder cranes are versatile and suitable for various industries, offering…
– Double girder cranes provide increased lifting height, greater lifting capacitie…
– Both types can be customized to meet specific user requirements, including diffe…
Cons:
– Single girder cranes may have limited headroom due to the underhung trolley desi…
– Double girder cranes require more steel and can be more expensive to fabricate a…
– The installation of double girder cranes may require additional structural suppo…
China Customized SOCMA Forklift Crane 12ton …
Product Details: The SOCMA Forklift Crane 12ton, model HNFC120-450, is a heavy-duty forklift crane developed by SOCMA. Key features include a rated load of 12 tons and a maximum lifting moment of 45 ton.m. The crane can rotate 360 degrees. It is powered by a Cummins or Yuchai turbocharger diesel engine, which is energy-saving and environmentally friendly. The transmission uses a Zhongnan hydraulic gear box with a reliable double variables system. The forklift has a quick-changing cargo loader, hydraulic distance-adjust cargo fork, and cascade high-strengthened forks. It also features adjustable steering, an aviation seat, and remote wireless control for the folding crane.
The dimensions include an overall length of 7600 mm, overall width of 2250 mm, and overall height of 3188 mm. The maximum lifting height is 15500 mm with the crane extended[1][2].
Pros:
– Strong power and high efficiency operation due to Cummins or Yuchai turbocharger…
– Energy-saving and environmentally friendly design
– Reliable transmission system with neutral start-up device for safer start-up
– Quick-changing cargo loader and hydraulic distance-adjust cargo fork for conveni…
– Cascade high-strengthened forks for higher strength and durability
– Remote wireless control for the folding crane, enhancing safety and reliability
– Adjustable steering and aviation seat for operator comfort
– Customizable attachments according to customer requirements
Cons:
– High maintenance costs due to complex hydraulic and mechanical systems
– Large size and weight, which can limit maneuverability in tight spaces
– Higher initial purchase cost compared to standard forklifts
– Potential for higher fuel consumption due to the powerful diesel engine
– Complexity of the folding crane system may require specialized training for oper…
Crane Inspection Protocols – China
Product Details: The crane inspection protocols outlined by InTouch Quality are comprehensive and systematic, ensuring both the quality of the equipment and worker safety. These inspections cover materials inspection (hook materials, electrical materials, coating materials), visual inspection (load rating chart, controls inspection), performance inspection (crane load rating, backward stability), and functional inspection (boom hoist mechanism, load hoist mechanism, telescoping boom, swing mechanism). Additionally, individual parts such as ropes, reeving accessories, hooks, and sheaves are inspected. Inspections are conducted using the most updated international standards and practices to maintain integrity and accuracy of the results.
Pros:
– Ensures worker safety and equipment quality through systematic and precise inspe…
– Uses updated international standards and practices for inspection checklists.
– Comprehensive inspection includes materials, visual, performance, and functional…
– Detailed inspection of individual parts such as ropes, reeving accessories, hook…
Cons:
– Requires highly qualified inspectors, which may add to the cost and complexity o…
– The thoroughness of the inspection may require significant time and resources.
How to distinguish the effective lifting capacity, rated lifting …
What Is Overhead Crane Capacity & Working Load Limit?
Made In China construction Overhead Customized design …
Limiting the risk of engineered lifts involving overhead cranes
Product Details: Overhead cranes are available in two primary configurations: top-running and underhung. Top-running cranes ride on rails mounted atop the runway beam, while underhung cranes ride on the lower flange of the runway beam. Top-running cranes are ideal for buildings with limited headroom and can handle higher capacities, typically 20 tons or more. Double girder top-running cranes provide greater hook height than single girder or underhung cranes.
Pros:
– Top-running cranes offer greater lifting height due to their design, making them…
– They are typically larger and can handle higher capacity lifting applications.
– Easier installation and service, as the wheels do not need to be suspended for m…
– Wide availability of parts.
– Double girder top-running cranes provide greater hook height.
Cons:
– Top-running systems require more frequent rail alignment inspections and adjustm…
– Underhung cranes experience fewer tracking problems but may require more downtim…
– Top-running cranes may not be suitable if the building structure is not strong e…
14000 tonne crane in development
Product Details: The crane, such as the Manitowoc 14000, features a maximum main boom of up to 292 feet and a luffing jib up to 170 feet, with a lifting capacity of 220 tons. The Liebherr TCC 14000, on the other hand, is designed for maritime and industrial applications, offering 360° mobility and an x-shaped supporting base for optimal stability. It is used for handling heavy loads in harbors and industrial plants, including wind turbine assembly and scrap handling.
Pros:
– High lifting capacity and long boom reach, suitable for heavy-duty lifting tasks…
– Advanced control systems, such as the CANBUS and EPIC control system, for effici…
– 360° mobility and all-wheel steering for excellent maneuverability in confined s…
– Optimal stability due to customized support bases, reducing torsion strain on th…
Cons:
– Heavy weight and slow movement, making relocation from one site to another chall…
– High maintenance and operational costs, including labor-intensive installation a…
– Limited mobility compared to other types of cranes, requiring specialized transp…
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| China unveils 4000-tonne capacity mobile crane | The XCMG XCA4000 is a 4000-tonne mobile crane designed for heavy lifting tasks, particularly for the installation of large wind turbines. It features… | – High lifting capacity, capable of lifting 230 tonnes to heights of 170 meters. – Fast setup time compared to smaller lattice cranes, which can be be… | – Limited market due to its specialized use, primarily for wind turbine installati… – Impractical for general construction use due to its large size… | www.theconstructionindex.co.uk |
| The Most Comprehensive Introduction To China’s Crane … | Chinese cranes include a variety of types such as mobile cranes, crawler cranes, tower cranes, and overhead cranes. Mobile cranes are versatile and ca… | – Cost-effective: Chinese cranes are known for their affordable manufacturing cost… – Quality: Despite lower costs, Chinese cranes are often manufac… | – Lead times: Ordering a crane from China can result in longer lead times due to s… – Language barriers: Communication with Chinese manufacturers ca… | www.dgcrane.com |
| 1 Ton to 50 Ton Overhead Cranes in China, Types … | Overhead cranes are categorized into single girder and double girder types. Single girder cranes typically have capacities ranging from 1 to 20 tons a… | – Single girder cranes are versatile and suitable for various industries, offering… – Double girder cranes provide increased lifting height, greater… | – Single girder cranes may have limited headroom due to the underhung trolley desi… – Double girder cranes require more steel and can be more expens… | www.eotcranekit.com |
| China Customized SOCMA Forklift Crane 12ton … | The SOCMA Forklift Crane 12ton, model HNFC120-450, is a heavy-duty forklift crane developed by SOCMA. Key features include a rated load of 12 tons and… | – Strong power and high efficiency operation due to Cummins or Yuchai turbocharger… – Energy-saving and environmentally friendly design – Reliable t… | – High maintenance costs due to complex hydraulic and mechanical systems – Large size and weight, which can limit maneuverability in tight spaces – Hi… | www.socma-forklift.com |
| Crane Inspection Protocols – China | The crane inspection protocols outlined by InTouch Quality are comprehensive and systematic, ensuring both the quality of the equipment and worker saf… | – Ensures worker safety and equipment quality through systematic and precise inspe… – Uses updated international standards and practices for inspect… | – Requires highly qualified inspectors, which may add to the cost and complexity o… – The thoroughness of the inspection may require significant tim… | www.intouch-quality.com |
| How to distinguish the effective lifting capacity, rated lifting … | www.djcranes.com | |||
| What Is Overhead Crane Capacity & Working Load Limit? | www.eotcranekit.com | |||
| Made In China construction Overhead Customized design … | www.jtlehoist.com | |||
| Limiting the risk of engineered lifts involving overhead cranes | Overhead cranes are available in two primary configurations: top-running and underhung. Top-running cranes ride on rails mounted atop the runway beam,… | – Top-running cranes offer greater lifting height due to their design, making them… – They are typically larger and can handle higher capacity lifti… | – Top-running systems require more frequent rail alignment inspections and adjustm… – Underhung cranes experience fewer tracking problems but may re… | www.konecranes.com |
| 14000 tonne crane in development | The crane, such as the Manitowoc 14000, features a maximum main boom of up to 292 feet and a luffing jib up to 170 feet, with a lifting capacity of 22… | – High lifting capacity and long boom reach, suitable for heavy-duty lifting tasks… – Advanced control systems, such as the CANBUS and EPIC control… | – Heavy weight and slow movement, making relocation from one site to another chall… – High maintenance and operational costs, including labor-intens… | www.khl.com |
Frequently Asked Questions (FAQs)
What is the Rated Capacity of a Crane?
The Rated Capacity, or Maximum Rated Capacity (MRC), is the maximum gross load that a crane can safely lift in a specific working configuration. This includes the weight of any attachments, spreader beams, or lifting devices below the crane hook. It’s the maximum allowable lifting capacity when the lift is a straight line pull.
How Do I Determine the Load Capacity of My Crane?
To determine the load capacity of your crane, you should consult the crane’s load chart. This chart shows the crane’s load capacity at different boom lengths and lift angles. It also accounts for factors like the load radius, boom angle, and any capacity deductions for accessories in use. The load chart is usually found in the operator manual or can be downloaded from the manufacturer’s website.
What is the Difference Between Rated Capacity and Working Load Limit (WLL)?
Rated Capacity refers to the maximum gross load a crane can lift in a specific configuration, while the Working Load Limit (WLL) is the maximum load for a lifting accessory like hooks, slings, or shackles under normal working conditions. WLL is calculated using the Minimum Breaking Load divided by a Factor of Safety and ensures the accessory does not exceed its safe working load.
Why Are Load Charts Important for Crane Operations?
Load charts are crucial because they help you plan a safe lift from start to finish. They provide detailed information on the crane’s lifting capacity based on factors like boom length, boom angle, and load radius. Using a load chart ensures you do not overload the crane, which could lead to accidents or damage to the equipment.
What Factors Affect a Crane’s Load Capacity?
Several factors affect a crane’s load capacity, including the boom length, boom angle, and load radius. Additionally, environmental factors such as slope and wind speed, as well as the use of outriggers or stabilizers, can impact the crane’s stability and strength, thereby affecting its load capacity. Always consider these factors when using the load chart to determine the safe lifting capacity.
