Things To Consider While Choosing Single Girder Crane?
A single girder crane is a typically overhead bridge crane that has one Main girder running between the two overhead runways/Gantry Girders those built on the support structures. The Main girder is a bridge like structure equipped with an Electric wire rope hoist. At the end of the Main bridge End carriages/Trucks are attached to it. End carriages move the Main girder and hoist to and fro along the runways throughout the Bay length called Long travel distance. The hoist and trolley run along the span of the bridge called cross travel.
Their design is simple and best suited for light and medium load applications. But there are certain things to consider while choosing a single girder crane for your industry or workshop. Single girder cranes have more advantages than other cranes as they are more convenient to use, minimum space utilization, easy to install and maintain, this makes manufacturing and installation cost less for a single girder crane.
Whether you own an industry or workshop or warehouse and looking for installing a single girder crane you need to consider certain things while choosing it. Below are few things that need to be considered while choosing a single girder crane;
1. Load capacity / Safe Working Load
The safe working load of a crane is the amount of load it can lift and move safely. These cranes are used mostly in light applications for handling normal material with standard working conditions that can be like machines, goods, concrete blocks, machine components, steel coils, other materials. You need to keep in mind that single girder cranes have limits on lifting capacity, they are designed to lift light to medium capacity loads. Most of the single girder cranes are designed and manufactured to lift ideal weights upto 20 tonnes. If your load involves weights heavier than 20 tons and even in very critical atmosphere like cement, steel, oil and gas, you should consider a double girder EOT crane.
2. Span length
Single girder cranes are most favorable to buy/install as it is one of the cost-effective solutions although they have limitations on their span length, most single girder cranes have span lengths up to 65'. They are equipped with fewer materials, hence they are lighter and more compact than the double girder crane. Due to this they also cost less to buy and install. If your work requires a higher span length then go for a double girder EOT crane.
3. Top Running Versus Under Running
A top running single girder overhead crane runs on top of each beam whereas an under running single girder overhead crane runs on the underside/below of each beam. A top running single girder overhead cranes have a higher load capacity than the under running single girder overhead crane.
Most of the single girder overhead cranes demand customization in platforms, walkways, heavy devices, and components. Customization of cranes is a challenging task and is expensive. Contact with the manufacturers before ordering the crane to make sure you customize and add your required components. Cranes utilized in industries demand more customization of parts so make sure you clearly submit your requirement to industrial crane manufacturers.
Do research about your manufacturer whether they only manufacturer cranes or offer world-class crane services. Go for a manufacturer who designs, innovates, manufactures, and also offers various extended services like customizing requirements, installations, availability of spare parts, commissioning, operator safety and training, regular inspection, full-time technical support, etc. Make sure the manufacturer has crane services in Bangalore and other major cities of India.
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