A rail gantry crane is a type of overhead crane that has a single or double girder configuration supported by freestanding legs that move on wheels or along a track or rail system. The crane uses legs to support the bridge, trolley, and hoist, and these legs travel on rails that are embedded in, or on top of the floor or ground structure¹. Rail gantry cranes are used for intermodal container handling, port equipment, and other applications that require large spans and high lifting heights.
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A rail gantry crane is also known as a rail mounted gantry crane, but with one difference. The term rail gantry crane may be used to refer to any gantry crane that runs on rails, but rail mounted gantry crane is more specific to the type of crane used for intermodal container handling and port equipment.
There are different types of rail gantry cranes that Yuantai Crane supply, such as:
Single girder rail gantry crane: This type of crane has a single girder configuration and is suitable for light duty applications.
Double girder rail gantry crane: This type of crane has a double girder configuration and can handle heavier loads and larger spans.
Semi rail gantry crane: This type of crane has one leg that runs on a rail and another leg that runs on a fixed support, and is ideal for small spaces.
Rail mounted gantry crane: This type of crane is specifically designed for intermodal container handling and port equipment, and has a host of technological innovations and features.
Different types of rail gantry cranes have different advantages and disadvantages, depending on their design, features, and applications. Here are some of them:
Single girder rail gantry crane: This type of crane has the advantage of being simple, lightweight, and cost-effective. It can be used for light duty applications such as workshops, warehouses, and yards. However, it has the disadvantage of having a limited lifting capacity and span compared to other types of cranes.
Double girder rail gantry crane: This type of crane has the advantage of being able to handle heavier loads and larger spans than single girder cranes. It can also be equipped with more features and accessories such as rotating trolleys, anti-sway systems, and automation systems. However, it has the disadvantage of being more complex, expensive, and requiring more maintenance than single girder cranes.
Semi rail gantry crane: This type of crane has the advantage of being able to fit in small spaces where a full gantry crane cannot be installed. It can also save floor space and reduce interference with other equipment. However, it has the disadvantage of having a lower stability and efficiency than a full gantry crane.
Rail mounted gantry crane: This type of crane has the advantage of being specially designed for intermodal container handling and port equipment. It has a host of technological innovations and features that enhance productivity, reliability, and safety. However, it has the disadvantage of being very expensive and requiring a lot of space and infrastructure to operate.
Some of the benefits of rail gantry crane are:
Rail Mounted Gantry Cranes are commonly used in shipping and logistics applications, including:
To choose the best type of rail gantry crane for your needs, you need to consider several factors, such as:
Based on these factors, you can compare the different types of rail gantry cranes and their advantages and disadvantages to find the most suitable one for your needs. You can also consult with professional crane manufacturers and suppliers -Yuantai crane to get more guidance and recommendations.
The price of rail gantry crane may vary depending on the type, capacity, span, height, features, and manufacturer of the crane.
These prices are only for reference and may not reflect the actual cost of the crane. You can contact the crane manufacturers and suppliers &#; Yuantai Crane directly to get a free quote and more details about their products and services.
Yuantai Crane is a well-known and reputable supplier of rail type gantry cranes. We offer a wide range of gantry cranes with different load capacities, spans, heights, and power sources to meet various needs and applications.
Yuantai Crane has been in the crane manufacturing industry for over 30 years and has earned a good reputation for producing high-quality and reliable cranes. We have a team of experienced engineers and technicians who design and manufacture their cranes to meet international standards and regulations.
In addition, Yuantai Crane provides excellent customer service and technical support to help customers choose the right crane for their application and ensure proper installation and operation. We also offer competitive pricing and fast delivery times.
If you're looking for a reputable supplier of rail gantry cranes, Yuantai Crane is definitely worth considering. Contact Yuantai Crane to get your gantry crane solution and quotation.
Have you noticed that accidents or near misses in your facility often involve the use of a forklift? This could include damage to nearby structures, to the forklift itself, or even a failed lift.
Or maybe you are looking to upgrade your facility, expand your facility, or move into a new facility and you&#;re wondering if adding an overhead crane could improve your production processes?
When it comes to material handling there are two standard options for lifting and moving loads&#;overhead cranes and forklifts. While these two types of machines can move material through your facility, there are distinct differences between the two&#;especially when it comes to safety and efficiency.
Our goal with this article is to help you establish a base-level understanding of forklifts and overhead cranes and how they differ from one another. In this article, you&#;ll learn more about:
A forklift is a piece of material handling equipment driven and controlled by an operator from the ground level. It consists of a truck carriage&#;in which the operator sits&#;accompanied by two extending forks meant for sliding underneath and lifting pallets.
A standard straight mast forklift utilizes the extended forks to lift and lower palletized loads throughout a facility. In extension forklifts, the forks also extend to lift the load inwards and outwards.
Forklifts are most commonly found in warehouse and manufacturing environments where they can be used for lifting and stacking pallets on shelving. They are also commonly used for:
Forklifts, in comparison to most types of overhead cranes, are much smaller. In addition, since forklifts are mobile rather than stationary, they are much more maneuverable than overhead cranes. Forklifts can be driven between narrow aisles, adjust to changes in elevation, and carry materials between buildings.
The initial price of purchasing a forklift is significantly less in comparison to most overhead crane options. Because forklifts are more susceptible to damage and often require more maintenance than an overhead crane, it is very possible that the long-term cost of a forklift outweighs the initial cost of an overhead crane.
The life expectancy of a forklift is only about 10-15 years in comparison to overhead cranes which can remain in service upwards of 65 years. Because forklifts have a significantly shorter life expectancy, it is more common for a business to lease a forklift as opposed to buying them outright.
The forks on a typical forklift extends upwards anywhere from 15-18 feet. As the forks extend upwards&#;or outwards in cases where you are using an extension forklift&#;the capacity decreases. The higher the lift takes the load, the less weight the forks can safely lift.
In addition, the higher you need to lift items in your facility, the bigger&#;and more expensive&#;the forklift will need to be in order to support the load weight.
Because forklifts are mobile machines&#;compared to overhead cranes that are stationary on a rail&#;it is much more common for them to get damaged, and cause damage, from driving around the facility and bumping into racking, walls, dock doors, or other items.
It&#;s not uncommon for forklift operators to mistakenly damage both the forklift and surrounding racking systems, especially in warehouse environments where there is high employee turnover and fast-paced operations.
Frequent damage to the forklifts&#;and racking systems&#;can lead to a significant monthly cost in repairs.
Forklift operation usually requires two people. One employee has to drive / operate the machine while the other helps rig the load and spot for the operator. In some cases, the operation of a forklift requires three employees.
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Not only does this require more time and labor, but when an extra person is needed to operate the forklift, you have to pull an employee from somewhere else in the shop, resulting in downtime elsewhere.
On an overhead crane, a horizontal beam called the bridge travels up and down a runway on a track or rail. A trolley and hoist move side to side along the bridge to lift and lower loads throughout a rectangular bay. These types of cranes are used to increase safety and efficiency within a warehouse or other facility and have varying load limits ranging anywhere from .25 to 400 tons.
The basic way to identify an overhead crane is that it&#;s exactly what it sounds like, overhead&#;the beam moves horizontally up and down a runway above a facility or construction site along a fixed path.
Overhead cranes are usually permanent structures in facilities or construction sites where they are installed for repetitive workflow use.
It&#;s not uncommon for an overhead crane to last upwards of 65 years as opposed to the expected life of a forklift of about 10-15 years. This is because overhead cranes are custom built for the application at hand and less susceptible to damage.
Due to their mobility on the ground, it&#;s not uncommon for a forklift operator to mistakenly collide with other objects or storage racking. Overhead cranes, on the other hand, remain a stationary part of the building structure and simply maneuver over any structures / racking below&#;making it much less likely to be involved in any accidents.
A crane bay design that is free of obstacles, obstructions, and employees will help to maximize safety and prevent accidents.
A standard forklift requires 12-foot aisles to navigate through rows of storage to place and remove loads from racking, whereas overhead cranes can maneuver directly over the contents of a facility. Whether or not these aisles will be needed is something to consider when designing a warehouse pallet racking system.
Overhead cranes have a much higher potential lift capacity. Overhead crane capacities can run upwards of 400 tons whereas some of the largest forklifts will max out around 70 tons.
Unlike a forklift, an overhead crane maintains the same capacity regardless of how high or low the load is lifted.
In most cases, an overhead crane is built specifically for the facility and task at hand. Meaning, that many of the components and functions of the crane are custom designed to withstand rigors of repetitive lifts and the specific products and product flow in your facility. These specialized components support a longer service life, less breakdowns, and help keep production running.
A big part of custom designing an overhead crane is choosing which CMAA service class is best for your business. Crane service classifications allow you to select and build an overhead crane that is the most economical and safest design for your lifting application. Selecting the right duty cycle or service classification of an overhead crane helps ensure that the components of the overhead crane are durable enough to withstand the load and usage requirements.
The high initial price can often be the biggest hesitation in a customer&#;s decision to purchase an overhead crane. Compared to a forklift, there will be a larger upfront cost when buying an overhead crane.
However, using an overhead crane in place of forklifts in your facility typically leads to savings in the long run related to maintenance, safety, and repairs.
Overhead cranes&#;unless they are a smaller jib crane or workstation crane&#;are typically going to be much larger than a forklift. If an overhead crane is initially built into the facility, they are typically supported by the infrastructure of the building. However, if the crane is freestanding, it will require support columns to be placed throughout the facility which can take up a significant amount of space.
Since cranes are typically built into the structure of a facility&#;whether it be part of the initial design or a retrofit&#;it is a near permanent structure of the building. Because of the large size of overhead cranes and the way they are built into a building&#;s structure, it is very difficult and sometimes impossible to move a crane from one facility to another. In some cases, the overhead crane is even part of a building&#;s lease agreement.
The height of storage racking or other structures present within the crane bay will need to be shorter than in other parts of the facility, as the crane must be able to maneuver over anything present within the bay. This leads to slightly less storage capacity in your facility.
In rarer cases, an overhead crane can be incorporated into the racking system. It is more common, however, for the crane to be an entirely separate entity.
We asked our Crane Technical Specialists what some of the most common reasons are for a customer to upgrade from a forklift to an overhead crane.
The most common reason for switching from forklifts to an overhead crane is an accident, near miss, or injury. As mentioned above, overhead cranes tend to be safer than forklifts and yield fewer accidents.
It&#;s critical to maintain a safe environment for your employees. It&#;s also important to note that one claim to a workman&#;s compensation can completely outweigh the cost of any crane purchase&#;making it a worthwhile investment.
Something has changed in your manufacturing or production processes. That change can be related to a number of different things, including:
Any of these changes can create additional wear and tear on forklifts. Making more frequent or heavier lifts can put a strain on your equipment if the demands of the new process exceed the capabilities that they were originally intended for.
Over time, this can lead to premature wear or even failure of your forklift equipment. Costs related to service calls to repair or replace individual components can add up and eventually exceed the cost of a new piece of equipment, or an initial investment into a crane system.
Overhead cranes can be completely customized to fit any facility and, unlike a forklift, are designed for the specific application at hand. This leads to more efficient workflows and longer-lasting material handling equipment.
Overhead cranes have a longer life expectancy than forklifts and, in some cases, a single overhead crane could replace multiple forklifts.
Forklifts are also associated with frequent repairs, maintenance, and damage to other objects in the facility. In comparison to overhead cranes, forklifts have extra costs associated with:
So, while an overhead crane may be a larger investment upfront, if utilized correctly, it can save a business money in the long run.
Depending on the set-up of your facility, it may make more sense to install an overhead crane instead of using a forklift. For example, in a facility where loads of over 200 tons need to be regularly lifted, an overhead crane will be necessary.
However, in cases where the material handling equipment is being retrofitted to the facility, it may be easier and quicker to purchase a forklift and begin using it right away. It all depends on the immediate needs of your facility.
Of course, there are also many situations where both overhead cranes and forklifts are successfully used together. In order for any sales staff to determine a recommendation for your facility, it&#;s important that they thoroughly understand your facility&#;s workflow and processes.
A short article cannot completely inform a decision on whether to invest in a forklifts or an overhead crane. However, we hope that this article helped you to form a base-level understanding of what forklifts and overhead cranes are and the differences between the two.
Forklifts have a lower initial price and their size and mobility makes it much easier for them to quickly maneuver throughout a facility and between facilities. They also have a short life expectancy, require more labor, are susceptible to damage, and diminish in capacity as the lift height increases.
Overhead cranes have a much longer life expectancy, are effective in minimizing accidents, save aisle space, and have a much higher potential capacity. On the flip side, they have a much higher initial price, are very large and semi-permanent, and must be able to maneuver over anything present in the crane bay.
Some of the most common reasons our crane specialists recommend a switch from forklifts to an overhead crane are:
If you are interested in determining what the best fit for your facility is or want to schedule a consultation, contact us to speak with a specialist.
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