• May 28, 2025
• News

Choosing a Workshop Overhead Crane for Your Team's Needs

Discover how to choose the perfect workshop overhead crane for your team! Learn key factors, tips, and tricks to boost efficiency and safety in your workspace.

Overhead cranes, also known as bridge cranes or moving cranes, are powerful lifting equipment that increase workshop safety and efficiency. In our expertise at Yuantai Crane, installing an overhead shop crane can alleviate a variety of material handling issues. These crane systems operate on parallel runway beams fixed on workshop walls or columns, allowing a trolley and hoist to lift and transfer large goods over the span. Overhead cranes are common in manufacturing and assembly processes because they provide an efficient way to lift, move, and place things in a shop. By selecting the appropriate crane type, capacity, and features, teams may tailor the crane's specifications to their workflow and space restrictions.

Types of Workshop Bridge Cranes

Workshops utilize a variety of bridge cranes to accommodate various jobs and locations. Common crane types include single-girder cranes, double-girder cranes, explosion-proof cranes, and European-standard cranes. All of these can be configured as Electric Overhead Traveling (EOT) cranes with motorized drives and controls. We will briefly summarize each type below, focusing on their characteristics and appropriate applications.

• Single-Girder Overhead Crane: This design has one main beam (girder) spanning the runway rails, with a hoist trolley traveling beneath it. Single-girder cranes are cost-effective and ideal for lighter loads and limited headroom. They typically handle up to about 20 tons and spans of around 6–28m. The simpler structure means lighter weight and easier installation, which often reduces the initial investment and maintenance. Single-girder cranes are well suited for small to medium workshops, assembly lines, and light manufacturing. The lifting mechanism on single-girder cranes is usually an electric wire-rope or electric chain hoist mounted on a trolley.
• Double-Girder Overhead Crane: This type uses two parallel main beams across the span, with the hoist trolley running on a beam in between. Double-girder cranes are used for heavier-duty applications requiring higher lifting heights and larger capacities. They can cover longer spans (typically up to 31.5 m or more) and handle capacities from several tons up to hundreds of tons (Yuantai double-girder models go up to 500 tons). The extra beam gives increased stability and rigidity under heavy loads. Double-girder cranes are common in large manufacturing plants, steel workshops, and machining facilities. They often have higher hook clearance (lifting height) and larger motors or multiple hoists. Within double-girder models, there are "European-standard" designs (often called QDX or HD types) and traditional types (LH type). The European-style cranes follow FEM/DIN standards and may reduce overall height and weight, while traditional cranes are generally simpler and less expensive. Both meet heavy industrial needs, but the European-style models often include more advanced features by design.

Overhead double-girder cranes lifting steel pipes in a large workshop (10-ton capacity sign visible). Such double-girder cranes can handle heavy loads and long spans, making them suitable for the largest industrial workshops and steel fabrication.

• Suspension Overhead Crane: A lesser-known crane in which the crane travels on tracks hung from the ceiling rather than floor-supported runways. This design conserves floor space and can transport light-to-moderate loads (up to ~10 tons) around obstacles. It is beneficial in maintenance shops or facilities with aisles or conveyors underneath. The disadvantage is that it often has lesser capacity and duty ratings, but it shines in situations where floor-mounted runways are not feasible.
• EOT (Electric Overhead Traveling) Crane: In fact, EOT crane is the general term for any motorized overhead crane, whether single- or double-girder. Modern shop cranes almost always use electric drives for hoist, trolley, and bridge movement. This allows smooth lifting and lowering with controls (pendant or wireless remote) and advanced features (speed control, overload protection, etc.). Yuantai's EOT cranes cover a full range of capacities (from 1 ton to hundreds of tons) and spans. Using an EOT system greatly reduces manual labor and increases precision, especially for repetitive tasks in automated lines or large warehouses.
• Explosion-Proof Overhead Crane: For workshops handling flammable gases, vapors, or dust (e.g. chemical plants or oil and gas facilities), specialized explosion-proof cranes are needed. These cranes use explosion-proof motors, electrical components, and enclosures to prevent ignition in hazardous atmospheres. A certified explosion-proof overhead crane complies with safety standards (such as GB3836 or equivalent, Exd IIB/T4 marking). Capacities and spans vary, but these cranes are engineered just like standard bridge cranes, with added safety. Yuantai offers explosion-proof cranes from about 5 to 75 tons and customized spans. Such a crane ensures that hot surfaces and sparks are contained, protecting workers and equipment in volatile environments.
• European-Standard (FEM/DIN) Overhead Crane: This is not a separate "category" of crane, but rather a style of design commonly used in Europe (and offered by Yuantai). European-standard cranes are built to FEM or DIN norms (such as EN 15011) and often use an "HD" (Heavy Duty) modular design. They typically feature low headroom, lighter wheel loads, and compact structure, which can save plant space. For example, Yuantai's HD single-girder crane (meeting FEM/ISO standards) reduces the crane height by about 20–25% and weight by 20–30% compared to older designs. European-style cranes also emphasize durability and safety features. In practice, a European-standard crane might be chosen for critical applications or to comply with international norms.

Workstation Overhead Cranes

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Single Girder Overhead Cranes

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Suspension Overhead Crane

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Double Girder Overhead Cranes

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Low Headroom Bridge Crane

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Grab Overhead Crane

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In summary, workshop cranes (overhead bridge cranes) come in many flavors. Single-girder cranes are common for light-duty shop use, while double-girder cranes serve heavy-duty needs. Explosion-proof cranes are a must in hazardous areas, and European/FEM designs offer advanced features for space- or performance-constrained settings. As a general rule, a "light duty crane" (single girder, class B/C) fits moderate loads and infrequent lifting, whereas a "heavy duty crane" (often double girder, class D/E/F) fits frequent or near-capacity use. The chart below summarizes typical specs:

Key Factors in Selecting an Overhead Crane

When choosing a workshop overhead crane, consider your team's workflow and facility constraints. The most important factors include:

• Load Capacity and Duty Class: Determine the maximum weight you need to lift, plus a safety margin. Overhead cranes are rated by their safe working load (SWL). For occasional, light use (like maintenance or small parts handling), a lower capacity (1–5 tons) and a light service class (CMAA Class B or C) may suffice. For heavy-duty lifting (such as foundry molds or steel assemblies), you may need 10 tons or more and a higher duty class (CMAA Class D/E). Remember duty class: cranes are classified (A–F) by how often and how close to capacity they run. Class B suits simple repair shops, Class C suits moderate machine shops, Class D or E for heavy shops. If your team needs many lifts per hour at high loads, plan for a higher duty rating.
• Span and Lift Height: The span is the distance the crane must cover between runways. Measure the width of your shop or the area where the crane will travel. Common workshop crane spans range from a few meters up to 30+ meters. A longer span requires stronger (and possibly deeper) girders. Also consider lift height (the vertical reach needed) – this is the distance from the hook at its lowest to the highest point it must reach. Workshops with high ceilings benefit from cranes that can lift loads to the floor or mezzanine height. Crane beam design must account for span and load to limit bending and deflection. In practice, a structural engineer or the crane supplier will specify the beam profile and rail system to match the span and load.
• Crane Components and Controls: An overhead crane consists of the bridge (girders and end trucks), the trolley & hoist, and the electrical/control system. Decide on hoist type: electric wire-rope hoists are common for heavier loads, while chain hoists may be used for lighter capacity (under ~5–10 tons). Consider whether you need single-speed or variable-speed drives – variable speed (inverter-controlled) hoists improve positioning accuracy. Controls include pendant stations, push-button panels, or radio remotes. Safety items like limit switches (to stop at end of travel or max lift), overload protection, and emergency stops are essential. Also plan the runway and support: will the crane mount to existing rails on columns, or require additional support beams? For crane beam design, ensure the runway structure (steel or concrete) can bear the wheel loads with appropriate factor of safety. We advise working with the supplier to match the crane's end truck wheelbase and pressure to your support beams.
• Workflow and Workspace Constraints: Evaluate how the crane will fit into your shop. For a small workshop, a lighter single-girder crane or even a wall-mounted jib might be optimal to save space. If floor space is tight but ceiling space is available, a suspension overhead crane or portable gantry crane could work. Check the building's headroom: if it's low, look for a low-headroom crane design or a European-model (HD) crane that minimizes clearance. Consider traffic patterns: how will materials get to and from the crane's coverage area? You may need more than one crane or a crane with a long span. Also consider aisle width if the crane crosses over. Matching the crane to your workflow means deciding whether you need a single-crane solution or multiple smaller cranes at different stations.
• Installation Considerations: Proper installation is crucial for safety and performance. Overhead cranes require precise alignment of runway rails and plumb end trucks. The workshop floor or columns must support the crane loads; sometimes reinforcement or new foundations are needed. Electrical supply (voltage, phase) must match the crane specs (common voltages are 220–440V 3-phase). If you have special needs, Yuantai can provide crane installation, testing and certification. Ask about lead times, mounting hardware, and any structural steel work. Yuantai provides installation guidance and can offer turnkey services if needed, helping to ensure the crane meets national standards.
• Maintenance and Safety: Overhead cranes require regular inspections and maintenance. This includes daily visual checks (hooks, chains, controls), scheduled lubrication (gears, wheel bearings), and thorough inspections at defined intervals (cables, brakes, motors). By design, Yuantai cranes include safety devices (brakes, buffers, limit switches) to protect against misuse. Apart from that, we should also provide proper training to the operators. We are equipped with maintenance platforms and non-slip walkways to help you maintain your crane. A good practice is to have a maintenance contract or checklist, as preventive care will extend the crane's life and avoid costly downtime.

Matching Crane Specs to Your Workshop

Start with your workshop lifting requirements. List the heaviest load and how often you will lift it. Then determine the duty class by considering daily cycle times. For example, a metal fabrication shop that makes 10–20 heavy lifts per hour at 50% capacity likely needs a Class C or D crane. For space limitations, sketch the building layout and note column locations, door clearances, and equipment heights. Use that to decide the span and end configurations (one-girder vs two-girder).

If your workshop is small (low ceilings or tight bays), a lighter crane may be better. A 1–5 ton single-girder overhead crane could handle most small parts and assemblies. Such cranes often fit into a standard workshop beam layout. In contrast, if you're handling machinery or steel stock, a 10–50 ton double-girder EOT crane might be needed. Also consider if you need any special travel: for example, a crane hoist system with remote control to weave around obstructions.

Finally, you need to determine your budget. Higher specification Eurocranes are usually more expensive, but for long term use these cranes can often save space and energy. The upfront investment for a conventional crane will be a little lower, making it suitable for lower budget lifting projects.

Crane Selection

Below are two examples of different clients of Yuantai.

• Small Workshop Needs: A team assembles machinery in a compact area with occasional part handling up to 3 tons. Here, a Single-Girder EOT Crane with a 3–5 ton wire-rope hoist on a span of 6–10 m would be suitable. The crane would likely be Class B or C duty, with a simple control pendant. Its lower headroom and cost match the "light duty workshop crane" requirements. This setup optimizes floor space and is easy to install on existing beams.
• Heavy Fabrication Shop: A metalworking shop regularly lifts 20–50 ton components for assembly and welding. The workflow demands many lifts per shift. This requires a Double-Girder Overhead Crane with a 50 ton or higher capacity hoist, possibly with multiple lifting speeds. The crane might span 20–25 m (covering a large bay) and have a high hook lift for stacking. It would be Class D or higher duty to handle frequent loads at a high percentage of capacity. Features would include robust wire-rope hoists, perhaps two travel speeds, and a cabin or radio remote for operator control.

A variety of factors such as different lifting capacities, spans and work classes can influence the choice of crane. If you have similar needs, you can choose Yuantai, and I am confident that with our expertise, we will customize the crane and hoist specifications to fit your particular situation.

Installation and Maintenance Considerations

Installing an overhead crane involves more than the crane itself. Ensure your building has the proper runway structure. For light cranes, it might be possible to use roof-mounted steel beams. For heavier cranes, you may need to install steel columns or girder supports, or reinforce the existing structure. The runway rails must be precisely aligned (flat, straight, level) to allow smooth crane travel. This often requires surveying and adjustment by experienced installers.

During installation, Yuantai technicians (or your chosen supplier) will handle electrical connections to the crane's control panel and drives. They will also perform load testing to certify the crane. Safety checks include verifying the emergency stop function, limit switches, and brakes. It's wise to test the crane unloaded and with a test weight before full operation.

Maintenance is ongoing. Components like wire ropes, chains, hooks, sheaves, and motors wear with use and need periodic inspection per regulations. For example, wire ropes may need replaced every few years depending on use. Brake pads may need adjustment or replacement to ensure holding capacity. Keep spare parts on hand for critical components (like switches or fuses). Yuantai provides maintenance manuals with each crane and can advise on schedules. Regular maintenance not only keeps the crane safe, but also preserves the warranty and performance.

By understanding these factors, you can select and install a bridge crane that fits your team's needs and lasts for years. As Yuantai's team, we emphasize clear communication: we gather your capacity, span, duty, and space data, then recommend a tailored crane design. Our goal is to provide reliable crane lifting equipment that matches your workflow, maximizes uptime, and keeps operators safe and productive.

Finally, selecting a workshop overhead crane involves matching technical characteristics with practical requirements. By systematically examining weight requirements, space limits, and usage patterns, you may select the appropriate crane type (single vs double, light vs heavy duty) and features (hoist type, controls, safety devices) for your workplace. With the proper overhead crane in place, your team will experience smoother operations, less manual labor, and more safety, all of which lead to a more efficient, successful workplace.