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What are the main performance parameters of marine cranes?

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What are the main performance parameters of marine cranes?
Latest company news about What are the main performance parameters of marine cranes?

1.What are the main performance parameters of marine cranes?

The main performance parameters of marine cranes and harbor cranes include lifting capacity, lifting moment, boom working range, hook lifting height, working speed, crane deadweight and other indicators.

These parameters indicate the work performance and technical indicators of various types of marine cranes, which is not only the basis for the manufacturer to design the crane, but also the user to consider the way to choose the crane.

 

parameters of marine cranes

                                 marine crane Technical parameters

 

2.What is the lifting moment of a marine crane?

The product of the lifting capacity of the crane and the corresponding working range is called the lifting moment, and the lifting moment is a comprehensive indicator to measure the operating components of the crane.

 

3.What is the lifting height of marine crane

The lifting height of marine crane means the hook travel.we usually design it as 20m, can also customized according to the clients's requirements.

 

4.What is the working radius of Marine crane?

The working radius of marine crane means the distance from the crane slewing center axis to the center of the hook is usually determined in the state of lifting weight, due to the deformation of structural parts such as lifting weight, so the general tonnage products lifting weight than the amplitude of about 0.5 to 2 meters when no load.

 

5.What is the working speed of the marine crane?

The working speed of the marine crane is the standard for measuring the speed of the execution parts in the working condition, mainly including lifting, luffing, slewing and walking speed, which lifting speed is divided into single rope speed, empty hook speed, full load speed, both expressed in units of m/min, slewing speed expressed in units of r/min, luffing refers to the average line speed of the hook from the maximum to the minimum amplitude, generally in seconds of time required to measure.

Luffing Speed:means the time for Marine crane lifting boom to luffing from horizontal state to minimum working radius of lifting boom,in unit of seconds.

 

6. What is the working radius of the marine crane?

The distance from the crane slewing center axis to the center of the hook, usually measured in the lifting weight state, due to the lifting weight of structural parts and other deformation will occur, therefore, the general tonnage of the product lifting cargo than when unloaded amplitude of about 0.5 to 2 meters.

 

7.How to measure the working speed of marine cranes?

Working speed is a measure of the actuator operating speed , mainly include lifting, luffing, and slewing speed.

Lifting speed: Lifting speed of the crane hook, divided into single rope speed, empty hook speed and full load speed.

Full load speed: in units of m/min.

Slewing speed : in units of r/min.

 

8.What is the self-weight of marine crane?

The self-weight of the crane is the entire weight of the crane itself when the crane is in working condition. For a crane of the same performance, the lighter weight means that the crane design is reasonable and manufacturing is reliable .

 

self-weight of marine crane

 

                                                   marine crane lifting capacity

 

9. What is the marine crane lifting capacity?

lifting capacity, lifting radius and lifting height are the three main technical performance parameters of marine cranes.

The weight value of the crane lifting heavy objects is called the lifting weight, crane lifting weight parameters are usually expressed in terms of rated lifting weight.

Lifting weight is divided into a minimum lifting radius and maximum lifting radius.

Lifting height is also divided into a minimum lifting radius and maximum lifting radius.

 

10. How to calculate the lifting speed of the marine crane?

Formula: P = G.v / Efficiency

Pub Time : 2022-04-07 13:51:46 >> News list
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