There are many factors that affect the cost of an overhead crane, including the type of overhead crane, span, load capacity, duty cycle, crane working environment, etc.
What type of overhead crane do you need?
There are many different types of overhead cranes to choose from, such as single girder crane, double girder crane, top running overhead crane, underhung bridge crane, etc. The selection of the overhead crane type is largely determined by the application and the operation requirements.
What span is required?
The span refers to the distance between the center lines of the wheels at both ends of the main beam of the crane. It is one of the main factors affecting the cost of a bridge crane. The longer the span, the more material is required to build the crane girders.
The common overhead crane spans include: 10.5, 13.5, 16.5, 19.5, 22.5, 25.5, 28.5, 31.5m, etc.
What is the capacity of the overhead crane?
Overhead crane capacity is the maximum allowable lifting load of the crane. The lifting capacity of the crane can be 5t, 10t, 15t/3t, 20t/5t, 30t/5t, 50t/10t, 75t/20t, 100t/20t, 125t/20t, 150t/30t, 200t/30t, 250t/30t, etc. When calculating the crane capacity, you need to consider the following things:
- The weight of the load to be lifted
- Below-the-hook lifting devices you may need
- Single hoist or double hoist configuration
- Consider your future usage
What is the duty cycle?
Duty cycle or service classification of the crane is determined according to its load rate and busyness, specifically:
- How frequently will the crane be used?
- What is the average rated load of the materials be lifted?
- How quickly will the crane lift and move materials?
- How often will the crane lift at full capacity?
Selecting the right duty cycle is critical to ensuring that your crane components are durable enough to withstand the usage and load requirement.
What is the working environment?
The operating environment in which the crane is installed and used will affect the cost of the crane in many different ways. For example, high heat, dust or excess moisture environment may require special metal coatings to protect and extend the life of the crane. Fertilizer plants, and oil and gas processing plants require explosion proof cranes, which use specially designed electrical systems to make them explosion-proof, but the design and installation costs of these cranes are high.
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