25T MGO Gantry Crane and 2T BZ Jib Crane to Poland

Discover the specifications and features of the 25T MGO Gantry Crane and 2T BZ Jib Crane delivered to Poland. Enhance your operations with advanced lifting solutions tailored for efficiency and safety.

Industry Background – Stone Processing & Fabrication: The customer is a large stone fabrication plant (marble, granite, slate, etc.) in Poland. In such stone processing facilities, workers handle enormous slabs and blocks (often weighing several tons). The workflow involves extraction, cutting, polishing, and finishing steps, which historically relied on manual labor and forklifts to move heavy stone. Manual lifting is hazardous – OSHA notes that stone slabs can weigh "several hundred to several thousand pounds" and that dozens of crushing fatalities have occurred from shifting loads. Forklifts also require wide aisles and two workers (driver and spotter), whereas cranes let a single operator pick and place slabs without assistance. In this context, the factory sought a safe lifting system for stone factories – an automated solution to move heavy slabs efficiently, protect workers, and improve material flow.

Pre-Crane Challenges: Before the new cranes were installed, the factory faced serious inefficiencies and safety risks. Workers used forklifts, gantry trolleys, and manual hoists to transport stone. These methods caused production delays (e.g. waiting for a forklift), bottlenecks, and product damage (slabs are brittle if dropped). The cramped layout meant forklifts blocked aisles, and multiple handlers were needed for each lift. Furthermore, stone dust and debris in the plant caused rapid wear on equipment, increasing maintenance needs. In short, the lack of a reliable heavy-duty lifting system led to slow material flow, high labor costs, and frequent safety incidents.

Solution Overview: Gantry Crane and Jib Crane Deployment

To address these issues, the plant installed a 25-ton MGO European-style gantry crane paired with a 2-ton BZ-type pillar jib crane. This combination created a custom gantry crane for industrial use that handles both the largest loads and localized lifting tasks. The design and installation were tailored to the stone environment: all components are built of heavy structural steel and use industrial-grade hoists. The system meets European FEM A5 standards, ensuring extra strength and durability for continuous operation.

25-Ton European Gantry Crane (MGO Type) – Technical Specifications

The 25T gantry crane is a double-girder, European-style gantry crane (MGO model) designed for heavy lifting. Key specifications (from factory build) include a 25-ton capacity, Class FEM A5 duty rating, a 12m span, and a 9m lifting height. The double-girder design uses box-section steel beams for maximum strength and stability. Beams were CNC-machined and robotically welded to tight tolerances for high deflection precision. All steel surfaces were shot-blasted and coated with a dual-layer zinc-rich epoxy paint, which provides corrosion resistance and protects the structure from abrasion and dust.

The crane runs on heavy-duty rails embedded in the floor (full gantry) across the plant. It carries a premium electric wire-rope hoist (European standard model from Dongqi) equipped with overload protection, adjustable speeds (0.4–4m/min lifting speed) and a precise mechanical brake. Motors and drives (Siemens/Schneider class F, IP55) are dust- and moisture-proof for the quarry-like environment. The trolley and end carriages use antifriction bearings and robust buffers on the runway beams. An anti-sway control system helps damp load swing, enabling very precise positioning of heavy slabs. The control is via a handheld pendant and optional radio remote, giving operators full control of lifting and travel movements. In summary, the gantry crane is a durable, high-performance lifting system: engineered to European FEM standards for heavy loads, with features that minimize maintenance (long-life brakes, quality components) and maximize operator precision.

2-Ton BZ Pillar Jib Crane – Technical Specifications

Supporting the gantry, a 2-ton pillar-mounted jib crane (BZ model) was installed at a key workstation. The BZ jib is a floor-supported crane with a column and horizontal boom that rotates 360°. It is built from steel (Q235B/Q345B) with a reinforced wide base plate to spread loads evenly into the concrete foundation. The jib arm attaches on top of the column via a slewing bearing, allowing full 360° rotation (with mechanical stops if needed). The model selected has a 2ton capacity, a typical 3m lift height, and up to a 6m jib radius (custom length). The attached hoist (electric chain hoist in this case) offers two lifting speeds (8m/min normal, 0.8m/min slow) and a mobile end-trolley if needed.

This jib crane was chosen for its compact, high-efficiency design. The BZ series is known for a unique lightweight structure that still provides high load capacity and efficiency. It integrates aperfect braking system and sealed (dust-proof) mechanisms for long life. All electrical parts comply with 380V, 50Hz three-phase power and are housed in protective enclosures (suitable for factory altitudes <2000m). The jib's quick frequency inverter drives allow smooth starts and stops, reducing load swing and improving positioning. In short, the 2T jib crane adds a flexible lifting point to the factory floor: it handles medium-weight stone pieces or equipment at a single station, free from interfering with the main gantry.

Customization and Safety Features

Both cranes were customized to meet the plant's needs. For example, the gantry hoist can be fitted with special stone clamps or vacuum lifter attachments so that irregular slab shapes can be lifted securely. The jib crane's electrical controls include overload sensors and emergency stops. All overhead electrics and motors are rated for harsh environments (IP55), and critical parts like brake discs are coated to resist dust. Structural elements use 10.9-grade high-strength bolts for rigidity, and the steelframes are finished with bright safety-yellow paint for visibility. These features contribute to a safe lifting system for stone factories: the cranes meet EU and FEM safety standards, dramatically reducing the chance of failure or accidents during operation.

Usage Effect

Once installed, the cranes revolutionized material flow. The gantry crane handles the heaviest tasks: it lifts entire stone blocks from delivery trucks or storage racks, then transports them to saws or staging areas. For example, raw granite blocks (often weighing 10–20tons each) are unclamped from transport pallets and lifted by the gantry's hook. Operators can then move the load horizontally along the span and lower it precisely onto a CNC saw or polishing machine. This single-lift handling replaces multiple forklift moves, speeding up the "loading" part of production. At the end of the span, once cutting is done, the gantry can transfer large cut slabs to another machine or stack them for dry area processing. By running on fixed rails, the gantry creates a continuous bridge across the yard; itnever has to stop production flow, because it can operate year-round (even outdoors) with its weatherproof design.

The 2T jib crane complements this by managing secondary tasks. It is located near a machining station and used to handle lighter loads (up to 2tons) that still require precision. For instance, after large slabs are rough-cut, smaller segments or heavy machine parts are moved onto grinding tables using the jib. Because the jib rotates fully, a single worker can swing pieces right to the needed spot without repositioning the object by hand. The jib also loaded hoses, molds, or tooling onto machines – tasks that previously needed a forklift or crew lift. This short-range lifting improves worker ergonomics.

Operating conditions in the stone plant are tough: stone dust, water (from cutting), and even chemicals from polishing circulate in the air. To cope, the cranes use dust-tight housings and corrosion-resistant materials. For example, the wire-rope hoist has labyrinth-sealed gearboxes, and keyelectrical parts are IP65 rated. Regular inspections showed that dust accumulation did not hinder operation due to these protections. The shot-blasted-and-coated steel structure also withstands the abrasive environment, avoiding corrosion over years.

Results and Benefits

The new crane system delivered measurable improvements across the factory:

Increased Productivity: Material moves that took several minutes by forklift now happen in tens of seconds. The gantry can carry a full slab across the yard in one cycle, streamlining the sequence of cutting, polishing, and assembly. This boosted throughput significantly. In practice, scheduling became more efficient – there were no longer idle hours waiting for lifts. By optimizing workflow, the cranesdramatically reduce the time required to move heavy or bulky materials.
Enhanced Safety: Worker injuries and fatigue dropped sharply. No one manually lifts large stones anymore – the cranes do the heavy work. According to safety studies, such overhead systems greatly reduce crushing and musculoskeletal injuries during slab handling. The factory saw zero lifting-related accidents after installation. The built-in safety features help too: overload protection and reliable brakes (tested for millions of cycles) prevent failures. Emergency-stop circuits and anti-sway control ensure loads can be secured if anything abnormal occurs. Overall, handling delicate stone with the precision hoist greatly lowered breakage too, protecting both people and product.
Lower Operating Cost: The cranes' robust design means very low maintenance. Components are industrial-grade, so downtime is rare. For example, the gantry's double-girder box beams distribute loads evenly, reducing stress on rails and wheels. As a result, routine maintenance intervals stretched out (months between gearbox checks). In contrast, the old forklifts and improvised gantries needed constant repairs. The new cranes eliminated fuel costs (they use electricity) and reduced labor hours for moving material.
Precision Material Handling: The double-girder gantry and anti-sway system provide very repeatable placement of slabs. Operators report that positioning tolerance is now within millimeters. This precision means less chipping and scrap. Similarly, the jib crane's smooth 360° motion allows fine maneuvering of loads in tight spaces. The endcarriages' anti-derail devices and buffers give stable stops. Together, the system moves stone with high accuracy, which is critical when aligning slabs on cutting machines or fitting them into fixtures.
Versatility: Although tailored for stone, the equipment is versatile. The gantry's hook and trolley can lift anything from stone sinks to oversized molds. The jib can handle not just slabs but also heavy metal parts (like a machine gearbox). This flexibility came in handy – when the plant expanded operations, the same cranes were used for new tasks without modification.

The customer now has a truly safe and efficient lifting solution that meets the demanding needs of a stone factory.

Broader Industrial Applications

While this case involves stone fabrication, the crane configurations apply to many industries. European gantry cranes (25–50ton and up) are widely used wherever heavy materials must be moved outdoors or in large workshops – for example in steel plants (moving plate bundles), shipyards (lifting engines or hull sections), concrete batching, warehousing (container handling), and heavy machinery manufacturing. Even metalworking plants use similar gantries to position molds, castings, and machine parts. Because of their portability and strength, gantry cranes also appear in construction (site gantries) and ports. Likewise, 2T pillar jib cranes are common in machine shops, assembly lines, and maintenance shops across industries. A 360° jib is ideal for tasks like loading car engines, handling die castings, or servicing overhead equipment – anywhere a floor-mounted crane can improve ergonomics. Many factories (automotive, consumer goods, food processing, etc.) install jib cranes at welding stations or loading docks. In warehousing, a jib crane can supplement forklifts for order picking on pallets.