Electromagnetic Overhead Crane with Beam Spreader for Billet Lifting
Short Video Description
This video shows a double girder electromagnetic overhead crane equipped with a beam spreader and electromagnetic lifting system for steel billet hoisting. The crane is designed for repeated handling of billets and other ferrous steel products in steel mills, billet yards, steel storage areas and fabrication facilities.
The electromagnetic overhead crane uses multiple magnetic lifting points to pick up steel billets without conventional hooks or slings. The double girder crane structure provides a rigid bridge for heavy-duty lifting, while the beam spreader distributes the lifting force along the billet load.
For billet lifting cranes, the magnet arrangement, spreader beam length, lifting capacity, billet dimensions and center of gravity must be considered together. Yuantai engineers select the electromagnetic lifting system according to the actual billet weight, length, temperature, surface condition and handling frequency.
This configuration is suitable for steel billet handling, billet yard material transfer, steel mill production lines, casting areas and heavy-duty indoor material handling where reliable lifting and repeated operation are required.
Main Technical Specifications
| Item | Technical Specification |
|---|---|
| Crane type | Double Girder Electromagnetic Overhead Crane |
| Rated capacity | 10 – 100 ton+, customized according to billet weight and lifting requirements |
| Crane structure | Double girder bridge with heavy-duty end carriages and travelling mechanism |
| Lifting equipment | Electromagnetic lifting system with customized beam spreader |
| Load type | Steel billets, square billets, rectangular billets and other ferrous steel products |
| Beam spreader | Fixed or customized spreader beam according to billet length and load arrangement |
| Magnet arrangement | Single or multiple electromagnetic lifting magnets |
| Span | 10 – 35 m+, customized according to workshop layout |
| Lifting height | 6 – 20 m+, customized |
| Duty class | ISO A5 – A8 / FEM 2M – 5M, according to working frequency |
| Hoisting speed | 3 – 12 m/min, customized according to lifting requirements |
| Crane travelling speed | 20 – 40 m/min, VFD available |
| Control | Pendant / Radio Remote / Operator Cabin |
| Power supply | 380V / 50Hz / 3Ph standard; 400V, 415V, 440V, 460V and 60Hz available |
| Safety system | Overload protection, travel limit switches, emergency stop, warning alarms and electromagnetic system monitoring |
| Billet temperature | Ambient-temperature billets or customized high-temperature lifting system according to actual billet temperature |
| Applications | Steel mills, billet yards, casting plants, steel warehouses, fabrication plants and heavy-duty material handling areas |
| Yuantai Crane engineering | Crane structure, electromagnetic lifting system, beam spreader, magnet arrangement and load distribution are engineered as one complete system. |
How Does an Electromagnetic Overhead Crane Lift Steel Billets?
An electromagnetic overhead crane for billet handling uses electromagnetic lifting magnets to create magnetic force between the lifting equipment and the ferrous steel billet. The magnets are mounted to a beam spreader so the lifting force can be distributed across the billet load.
The double girder bridge moves the magnetic lifting system horizontally across the workshop, while the hoisting mechanism raises and lowers the spreader beam. This allows the operator to pick up, transport and place steel billets without attaching individual slings to every load.
The actual magnetic lifting capacity depends on the billet material, cross-section, temperature, surface condition, contact area and magnet configuration. These factors must be considered during engineering.
Why Use a Double Girder Crane for Billet Handling?
A double girder electromagnetic overhead crane is commonly selected for heavy billet handling because the double girder bridge provides a rigid crane structure and allows the lifting system to be designed for higher capacities and heavier duty cycles.
- Suitable for heavy steel billet lifting
- Rigid double girder bridge structure
- Suitable for high-frequency steel mill operation
- Multiple electromagnetic lifting points available
- Beam spreader helps distribute the billet load
- Suitable for long and multiple billet arrangements
- Radio remote or cabin control available
- Customized for different billet sizes and weights
Electromagnetic Beam Spreader for Billet Hoisting
The electromagnetic beam spreader connects the crane lifting mechanism with the magnetic lifting points. Its main purpose is to position the magnets correctly and distribute the lifting force according to the billet arrangement.
For long billets, multiple magnets can be installed along the spreader beam. The spacing should be selected according to the billet length, weight, center of gravity and required lifting stability.
Yuantai engineers also check the spreader beam strength, deflection, lifting points and magnet capacity before finalizing the billet lifting system.
Key Design Factors for a Billet Lifting Electromagnetic Crane
| Design Factor | Why It Matters |
|---|---|
| Billet weight | Determines crane capacity, magnet capacity and spreader beam strength. |
| Billet length | Determines spreader beam length and magnet spacing. |
| Billet cross-section | Affects the effective magnetic contact area. |
| Billet temperature | High temperature can affect electromagnetic lifting performance and requires special design. |
| Surface condition | Scale, rust, gaps and surface geometry can influence magnetic holding force. |
| Magnet arrangement | Controls load distribution and lifting stability. |
| Duty class | Determines the required structural and mechanical design for repeated operation. |
| Center of gravity | Helps determine the correct lifting-point arrangement. |
Electromagnetic Overhead Crane for Hot Billet Handling
When billets are lifted at elevated temperatures, a standard electromagnetic crane should not automatically be used. The billet temperature must be confirmed before selecting the magnetic lifting system.
For hot billet applications, Yuantai engineers review the billet temperature, lifting frequency, magnet working temperature, thermal protection, cooling requirements and lifting capacity.
The crane structure and electrical equipment can also be configured according to the operating environment of the steel mill. The final design should be based on the actual billet temperature and process conditions rather than a general temperature assumption.
How Yuantai Designs an Electromagnetic Billet Crane
Yuantai engineers treat the double girder overhead crane, electromagnetic lifting system and beam spreader as one complete lifting system.
- Confirm maximum billet weight and dimensions
- Confirm billet temperature and material type
- Determine billet center of gravity
- Select electromagnetic magnet capacity
- Determine magnet quantity and spacing
- Design the beam spreader according to the billet arrangement
- Check spreader beam strength and deflection
- Select the crane duty class according to working frequency
- Check electrical and electromagnetic control systems
- Configure safety monitoring and emergency functions
This approach helps the billet lifting crane match the actual steel handling process rather than selecting the electromagnetic system only according to nominal crane capacity.
Typical Applications for Electromagnetic Billet Overhead Cranes
A double girder electromagnetic overhead crane with beam spreader can be used for:
- Steel billet lifting
- Billet yard material handling
- Steel mill production lines
- Continuous casting areas
- Steel storage yards
- Hot billet handling
- Cold billet handling
- Steel fabrication plants
- Heavy-duty steel warehouses
FAQ: Electromagnetic Overhead Crane for Billet Handling
Common questions about double girder electromagnetic cranes, billet lifting, magnetic beam spreaders and steel mill material handling.
1. What is an electromagnetic overhead crane for billet lifting?
An electromagnetic overhead crane for billet lifting is an overhead travelling crane equipped with electromagnetic lifting magnets. It is designed to pick up and transport ferrous steel billets without conventional slings or hooks.
A double girder bridge is commonly used for heavy-duty billet handling because it provides a rigid structure for high-capacity and frequent lifting applications.
2. Why is a beam spreader used with an electromagnetic billet crane?
A beam spreader allows multiple electromagnetic magnets to be positioned along the billet load. This helps distribute the lifting force and improve load balance.
The spreader beam length and magnet spacing are selected according to the billet dimensions, weight and center of gravity.
3. Can an electromagnetic crane handle hot steel billets?
Yes, but the crane and magnetic lifting system must be specifically designed for the actual billet temperature.
Yuantai engineers consider billet temperature, magnet operating temperature, thermal protection, cooling requirements and lifting frequency when designing hot billet handling equipment.
4. What capacity is available for electromagnetic billet cranes?
Electromagnetic billet cranes can be designed for different capacities, from medium-duty steel handling to heavy-duty cranes above 100 tons.
The required capacity should be based on the maximum billet weight, number of billets lifted at one time and required working frequency.
5. What information is needed for a billet lifting crane quotation?
Provide the billet weight, billet length, cross-section, temperature, number of billets lifted at one time, crane span, lifting height, working frequency, travelling distance and power supply.
Photos or drawings of the billet and the required pickup and placement positions are also useful for selecting the correct electromagnetic lifting system and beam spreader.
6. Can the electromagnetic beam spreader be customized?
Yes. The electromagnetic beam spreader can be customized according to billet length, weight, magnet quantity, lifting points and required load arrangement.
Yuantai can also customize the crane span, lifting height, duty class, control method and electrical configuration according to the steel mill layout.
7. What experience does Yuantai Crane have with electromagnetic steel handling cranes?
Yuantai Crane has engineering experience with electromagnetic overhead cranes, double girder overhead cranes, magnetic lifting systems, beam spreaders and heavy-duty steel handling cranes.
For billet applications, Yuantai engineers review the double girder bridge, electromagnetic magnets, beam spreader, magnet spacing, billet temperature, lifting capacity and duty class as one complete system.
Need an Electromagnetic Overhead Crane for Billet Handling?
Send us your billet weight, length, cross-section, temperature, crane capacity, span, lifting height, working frequency, magnet requirements and beam spreader dimensions.
Yuantai Crane can engineer a double girder electromagnetic overhead crane with beam spreader for steel billet lifting, billet yards, steel mills and other heavy-duty ferrous material handling applications.
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Article by Bella ，who has been in the hoist and crane field since 2016. Bella provides overhead crane & gantry crane consultation services for clients who need a customized overhead travelling crane solution.Contact her to get free consultation.
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