Ten Things To Know Before Purchasing An Overhead Crane

Overhead cranes are also called industrial cranes, they lift and move heavy loads horizontally. They have very high lifting capacities and cover rectangular area moving either forward or backward. They also have the ability to move materials in multi directions within the area and support manufacturing, storage, loading, and unloading within the facility.

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Overhead cranes are used in applications like assembly, transportation, staging, storage, and warehousing. They benefit the work process in many ways by saving time and eliminating human error, thus increasing productivity. Without overhead cranes, it is difficult to imagine industries such as automotive, beverage, chemicals, commercial printing, manufacturing, newspaper, paper, steel, warehousing, and distribution. The overhead crane manufacturers are continuously working on their design to make it more efficient and safer.

How many different types of cranes are there

Since cranes are designed and built for specific weight load capacity a single crane cannot be utilized for various tasks. Calculating crane capacity is required to operate the crane without dropping the load or damaging the machine.

Different types of cranes are manufactured by crane companies based on the application and modern industrial needs.

Features of Overhead Cranes

The overhead crane has a lifting device called a hoist which is mounted on a trolley across the bridge beam and is then connected to horizontal girders supported at either end by end carriages.

The overhead crane can be operated either manually or by electrically that guides their pathway.

The overhead cranes are designed to have a steady movement operating with maximum load control following other safety measures.

Ten things to know before purchasing an Overhead Crane

There are some important factors that you need to consider before installing an overhead crane to improve productivity and safety at the facility. Any compromise in the factors may lead to a fatal accident and a huge loss to your business. An overhead crane installation is a big investment so you should know important things before investment. A crane advisor or crane supplier will help you with the following information.

1. Capacity

Calculate the maximum and minimum capacity based on your application as operating a crane above the rated capacity can cause unwanted wear and tear on the machine parts. So installing a crane with the right capacity will help in extending the crane's life and also helps in deciding the duty cycle.

2. Speed

The crane's hoist speed varies depending on the load capacity. Some applications need more speed while some applications need less speed. Some overhead cranes are designed for variable speeds that can be set based on the application.

3. Duty Cycle

A crane can have a light to medium to heavy to extremely heavy duty cycle and it depends on the application operating in a single shift or multiple shifts. If a crane is used at the maintenance center then it will have a light-duty cycle whereas in production it will have a heavy-duty cycle. Depending on the application you should choose the crane and add the required components to it.

4. Safety Issues

One of the important factors to consider while installing a crane. Adding smart technology to the crane increase safety and productivity at the facility. Make sure the crane you purchase is equipped with the latest technologies rather than outdated ones. Variable frequency drive for the crane, trolley, and hoist motion is vital. Apart from this, a smart and skilled crane operator should be hired for the task.

5. Environmental conditions

The environmental condition of the facility matters, if the overhead crane is exposed to conditions like high/low temperature, humidity, heavy dust, chemicals, etc its performance is affected. In those environmental conditions, proper coating/shields should be added to ensure the safety and durability of the crane.

Heat and moisture, heat the motor during its operation.

6. Area Coverage

Discuss with your crane manufacturer or crane consultant on area coverage as this is one of the important factors. The hook approach helps to determine the area coverage of the overhead crane.

7. Lift Height Requirements

Lift height requirement is applied to both situations whether you are installing a new crane or upgrading the existing one. The lifting requirement can be restricted based on the height of the existing facility.

8. Power Supply

Overhead cranes require 3-phase AC power of 480V and a typically 50A breaker to operate, but if the number of cranes on the same runway increases the current breaker will be required more.

9. Warranty

You should carefully read and understand what are the things that are covered and don’t cover in the warranty of the crane along with the warranty period.

10. Service

Every machine requires maintenance and service to retain its quality, performance, and efficiency. The crane purchase does not end with only installation it should be regularly serviced. A crane service should also cover the inspection from a safety point of view.

Purchasing an overhead crane for the first time can be a daunting process. With various models, specifications, and technical jargon to consider, making the right decision requires careful planning and understanding. This guide aims to simplify overhead crane sales for first-time buyers, offering practical tips and insights while highlighting the benefits of the double girder overhead bridge crane.

Understanding Overhead Cranes

Overhead cranes are essential tools in many industries, including manufacturing, construction, and warehousing. These cranes improve efficiency, safety, and productivity by facilitating the lifting and movement of heavy loads. Among the various types, the double girder overhead bridge crane stands out for its robustness and ability to handle substantial loads.

Why Choose a Double Girder Overhead Bridge Crane?

A double girder overhead bridge crane features two girders that span the width of the workspace. This design provides several advantages:

Increased Load Capacity: Double girder cranes can handle heavier loads, often exceeding 20 tons, making them ideal for demanding applications.

Greater Lift Height: The hoist is mounted between the girders, offering a higher lifting range compared to single girder cranes.

Durability: These cranes are built for heavy-duty use, ensuring longevity even in harsh industrial environments.

Versatility: Suitable for various applications, including assembly lines, steel fabrication, and large-scale manufacturing.

Tips for First-Time Buyers

1. Evaluate Your Operational Needs

Before exploring overhead crane sales, assess your specific requirements:

Load Weight: Determine the maximum weight your crane will lift.

Span and Lift Height: Measure your workspace to ensure the crane’s dimensions align with your facility.

Frequency of Use: If your operations are intensive, investing in a double girder overhead bridge crane might be the best choice.

Environment: Consider factors like temperature, humidity, and exposure to corrosive materials that may affect the crane’s performance.

2. Understand Crane Classifications

Overhead cranes are classified based on their duty cycle, ranging from light-duty (Class A) to heavy-duty (Class F). For industries requiring continuous operation or handling heavy loads, a Class D or higher double girder crane is recommended.

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3. Choose the Right Overhead Crane Supplier

Partnering with a reliable supplier is critical. Look for suppliers who:

Have a strong reputation in the market.

Offer a wide range of cranes, including double girder overhead bridge cranes.

Provide customization options to suit your specific needs.

Offer comprehensive support, including installation, training, and maintenance.

4. Compare Features and Specifications

When evaluating cranes, pay close attention to:

Hoist Type: Electric hoists are standard for double girder cranes and provide efficient, precise lifting.

Control Systems: Modern cranes often feature wireless remote controls for enhanced safety and convenience.

Safety Features: Look for features like overload protection, anti-sway systems, and emergency stop buttons.

Customization Options: Depending on your operations, you may need tailored solutions, such as additional lifting attachments or specific speed controls.

5. Plan for Installation and Maintenance

Proper installation is crucial for the safe and efficient operation of your overhead crane. Work with your supplier to:

Conduct a site survey to determine the best layout and placement.

Ensure the structural integrity of your facility to support the crane’s weight.

Train your staff on crane operation and safety protocols.

Maintenance is equally important. Develop a schedule for regular inspections and servicing to prevent downtime and extend the crane’s lifespan.

Benefits of Investing in a Quality Overhead Crane

Choosing the right overhead crane, such as a double girder overhead bridge crane, offers several long-term benefits:

Increased Productivity: Faster and more efficient material handling improves workflow.

Enhanced Safety: Reduces the risk of workplace injuries by eliminating the need for manual lifting.

Cost Savings: Although the initial investment may be higher, the durability and efficiency of a double girder crane result in lower maintenance and operational costs over time.

Scalability: High-capacity cranes can support your business as it grows, reducing the need for future upgrades.

Common Mistakes to Avoid

1. Focusing Solely on Price

While cost is an important factor, prioritizing quality and reliability will save money in the long run. Cheap cranes may require frequent repairs or replacements.

2. Overlooking Customization

Every facility has unique requirements. Ignoring the need for customization can lead to operational inefficiencies.

3. Neglecting Supplier Support

Ensure your supplier offers robust after-sales services, including spare parts availability, maintenance, and technical support.

4. Skipping Training

Untrained operators can cause accidents and damage the equipment. Proper training is essential for safe and efficient operation.

Conclusion

Navigating overhead crane sales doesn’t have to be complicated. By understanding your needs, choosing the right type of crane, and working with a reputable supplier, you can make a well-informed decision. The double girder overhead bridge crane, with its superior load capacity, durability, and versatility, is an excellent choice for industries requiring heavy-duty lifting solutions. Remember to plan for installation, prioritize maintenance, and invest in operator training to maximize the benefits of your new crane.

With these tips, first-time buyers can approach overhead crane sales with confidence, ensuring a smooth and successful purchase that meets their operational goals.

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