Overhead Crane Specification

Overhead cranes are indispensable tools in various industries, facilitating the movement of heavy loads with precision and efficiency. However, to ensure optimal performance and safety, it’s crucial to understand the specifications of these cranes. In this guide, we’ll delve into the key aspects of overhead crane specifications, shedding light on the critical details that influence their selection, operation, and maintenance.

Aicrane Overhead Crane Model & Specification

Aicrane has two main types of overhead crane for sale. They are single girder overhead crane and double girder overhead crane. Each type of them has several models.

Single Girder Overhead Crane Specification

There are six models of single girder overhead crane for sale in Aicrane. They are AQ-LD, AQ-LX, AQ-HD, AQ-LDY, AQ-LDZ, AQ-LB. Their parameters are down below.

Double Girder Overhead Crane Specification

There are ten models of double girder overhead crane for sale in Aicrane. They are AQ-QD, AQ-QDX, AQ-LH, AQ-NLH, AQ-QB, AQ-QZ, AQ-QC, AQ-QE, AQ-QL, AQ-YZ. Their parameters are down below.

Overhead Crane Parameters

Speed

The speed of an overhead crane is a crucial factor that determines its efficiency and performance in material handling operations. The speed specifications of an overhead crane typically include:

Lifting Speed

Lifting speed refers to the rate at which the crane can raise or lower the load. It is measured in meters or feet per minute. The lifting speed is a critical parameter, especially when dealing with time-sensitive tasks or when precision is required.

Trolley Travel Speed

Trolley travel speed represents the horizontal movement of the crane’s trolley along the bridge. This speed is essential for positioning the load accurately and optimizing the overall efficiency of material handling processes.

Bridge Travel Speed

Bridge travel speed pertains to the crane’s movement along the overhead runway. A faster bridge travel speed allows the crane to cover larger distances quickly, reducing the time taken to transport loads between different points in the workspace.

Hoist and Trolley Acceleration/Deceleration

The acceleration and deceleration rates of the hoist and trolley influence the smoothness of load handling. Well-controlled acceleration and deceleration ensure that the crane operates without abrupt starts or stops, enhancing safety and minimizing stress on the structure.

Variable Frequency Drives

Modern overhead cranes often utilize variable frequency drives (VFDs) to control and adjust motor speeds. VFDs enable the crane to operate at different speeds based on the load, contributing to energy efficiency and precise load control.

When specifying an overhead crane, it’s essential to consider the application requirements and choose a crane with speed capabilities that align with the demands of the operation. The appropriate speed parameters contribute to enhanced productivity, reduced cycle times, and optimized material handling workflows.

Load Capacity

The load capacity is arguably the most critical specification of an overhead crane. It refers to the maximum weight the crane is designed to lift safely. Overhead cranes come in a wide range of load capacities, from a few hundred kilograms to several hundred tons, catering to diverse industrial requirements. It’s imperative to choose a crane with a load capacity that aligns with the heaviest loads it will handle. Aicrane provides both light-duty overhead crane and heavy-duty overhead crane.

Span

The span of an overhead crane refers to the horizontal distance between the runway rails. It determines the coverage area that the crane can service. When choosing a crane, consider the layout of your facility and the specific areas where heavy lifting will be required. A properly matched span ensures efficient material handling within your workspace.

Lifting Height and Hook Path

Lifting height indicates the distance the load can be lifted vertically. It’s crucial to assess the height requirements in your facility to select a crane with an adequate lifting height. Additionally, consider the hook path, which describes the distance the hook travels vertically during the lifting process. This specification influences the clearance required above the load.

Crane Classifications

Overhead cranes are classified based on their duty cycle, which reflects the frequency and duration of crane usage. The commonly used classifications include:

• Class A: Light Duty (Infrequent use for light loads)
• Class B: Moderate Duty (Moderate use for loads approaching the rated capacity)
• Class C: Heavy Duty (Frequent use for loads at or near the rated capacity)
• Class D: Severe Duty (Continuous use for heavy loads approaching or at the rated capacity)

Accessories of Overhead Crane

Hoist Type

The hoist is the component responsible for lifting and lowering the load. Overhead cranes can be equipped with various types of hoists, including wire rope hoists, chain hoists, and electric hoists. The choice of hoist type depends on factors like load weight, lifting speed, and application-specific requirements.

Wire Rope Hoists

Wire rope hoists are powerful lifting devices designed for heavy-duty applications. They consist of a drum wrapped with wire rope and a motorized mechanism for hoisting loads. The wire rope provides strength and durability, making them suitable for handling large and heavy objects. They are commonly used in industries like manufacturing, construction, and material handling.

Chain Hoists

Chain hoists operate by pulling a chain through a system of pulleys, allowing for the lifting of heavy loads. They are known for their simplicity and robustness, making them ideal for rugged environments. Chain hoists are versatile and can be used in various settings, including workshops, warehouses, and construction sites. They are also available in manual and electric variations.

Electric Hoists

Electric hoists are powered lifting devices that use an electric motor to lift and lower loads. They are highly efficient and offer precise control over lifting operations. Electric hoists come in various configurations, including wire rope and chain hoists, and can be mounted on various structures, such as gantry cranes or overhead beams. They are widely used in industries where controlled lifting and positioning of heavy objects are required.

Crane Control

Crane control systems play a pivotal role in ensuring precise and safe operation. They can be categorized into manual, semi-automated, and fully automated controls. Consider factors like operator skill level, workload, and the need for advanced features like variable speed control when selecting the control system.

Environmental Considerations

The environment in which the overhead crane operates is a crucial factor in determining its specifications. For instance, cranes used in outdoor applications may require additional weatherproofing measures, while those in hazardous environments may need special safety features and certifications.

50 Ton Explosion Proof Overhead Crane

Safety Features and Compliance

Ensure that the overhead crane meets all relevant safety standards and regulations. This includes features like overload protection, emergency stop buttons, limit switches, and compliance with industry-specific safety codes.

Understanding the specifications of an overhead crane is paramount for its safe and efficient operation. By carefully evaluating load capacity, span, lifting height, and other key factors, you can select the right crane to meet your specific industrial needs. Always consult with crane experts and manufacturers to ensure that the chosen crane aligns perfectly with your operational requirements.