- Aug 07, 2025
- Case Studies
10 ton HD Overhead Crane for Plastics Industry in Pakistan
Discover the 10 Ton HD Bridge Crane, perfect for handling plastic recycling and producing recycled plastic pellets. Boost your efficiency today!
Efficient material handling is essential in modern plastic recycling facilities. A major recycling and pellet production facility in Pakistan needed a dependable indoor lifting system to transport huge shredder hoppers, extrusion dies, and palletized plastic pellets. Yuantai provided a 10-ton heavy-duty (HD) single-girder bridge crane equipped with a European NR-type electric wire rope hoist and wireless remote control. In this case study, we look at the customer's operational requirements, installation issues, comprehensive crane design, performance in a variety of jobs, benefits realized, and prospective applications of the same crane configuration in other contexts.
10 Ton HD Bridge Crane Product – Customer's Crane Need
Our customer processes mixed post-consumer plastics into flakes, dries them, and extrudes uniform pellets for resale. The workflow requires moving large shredder hoppers that can weigh up to 8 tons when full. It also requires lifting extrusion dies and molds of about 5 tons during planned changeovers. Workers must move hot, moisture-control drying bins holding roughly 2-ton batches between ovens and extrusion lines. The operation also shifts palletized pellets in 1-ton sacks or big-bags onto storage racks or forklifts for dispatch. These tasks need robust, reliable lifting equipment with the right capacity and precise load control. The crane must handle heat exposure, frequent changeovers, and safe pallet handling. A freestanding overhead or gantry crane with suitable hoists and attachments will meet these needs and improve safety and efficiency. Before the HD bridge crane, handling relied on forklifts, portable chain hoists, and manual labor. Forklifts reached only central rack aisles and often needed operators to guide loads into tight spaces. Chain hoists fixed to overhead beams covered only small areas. Manual rigging and moving trolleys caused frequent production interruptions. The customer needed full coverage of a 25 m workshop bay. They required lifting up to 10 tonnes with margin for future growth. They also needed precise placement within ±20 mm to align dies with extrusion presses. The crane had to integrate with existing runway rails and fit under a 6 m ceiling. Single-operator wireless remote control was required to improve safety and efficiency. The 10-ton HD bridge crane met these needs. It delivered complete bay coverage, robust heavy lifting, and high placement accuracy. It integrated with the runway rails and fit the low ceiling. It enabled one operator to run lifts safely by remote control.
Challenges Before Using 10 Ton HD Bridge Crane Product
Before Yuantai's crane installation, the facility faced several operational bottlenecks:
1. Fragmented Material Handling
Shredder hoppers were loaded on mobile frames and lifted by portable hoists at fixed stations. To move a hopper to the extrusion line, operators had to detach hoist slings, roll the frame across the floor, and re-rig the hoist. This process consumed up to 20 minutes per transfer, hampering throughput and causing line downtime.
2. Forklift Limitations
Forklifts handled palletized pellets but struggled with oversized drying bins and heavy hoppers. In narrow aisle spaces, forward visibility was poor, increasing the risk of collisions with racks. Moreover, lifting hoppers required specialty forks and often two operators working in tandem, raising labor costs and safety exposures.
3. Inconsistent Load Placement
Extrusion die changeovers require the die to align precisely within the press platen. Manual or forklift-assisted placement achieved only ±50 mm accuracy. Misalignment led to repeated press inspection cycles and minor scrap rates of 3 – 5% per batch, as reported in the plant's quality logs.
4. Excessive Labor and Safety Risks
Manual moving of bins and hoppers caused employee fatigue and ergonomic strain. Over a month, the plant logged four minor lifting-related incidents. Portable hoists had no overload protection or remote control features, forcing operators into close proximity with suspended loads to guide and steady them.
These issues made it clear that a dedicated, overhead crane solution was essential to streamline operations, boost productivity, and enhance workplace safety.
10 Ton HD Bridge Crane Product Design Provided by Yuantai
Yuantai delivered a 10 ton HD single girder bridge crane configured for rigorous recycling plant use. Core design elements include:
1. Single Girder Bridge Structure
Constructed from Q355B welded box-section steel, the bridge girder spans 25 m between runway end trucks. The girder's box profile provides high bending strength while reducing self-weight, enabling an under-hook height of 5.8 m—matching the workshop's 6 m clearance. FEM analysis ensured web and flange dimensions support continuous operations at duty class A7, typical for HD cranes in manufacturing environments.
2. European NR-Type Electric Wire Rope Hoist
Mounted centrally under the main girder, the NR-type hoist ensures balanced load distribution and smooth trolley travel across the span. It handles a rated load of 10 tons, running at a high lifting speed of 20 meters per minute for empty or light hooks, while offering a slow creeping speed of 2 meters per minute for precise positioning. The 28 mm wire rope works with a multi-groove drum that reduces rope wear, prevents deformation, and helps extend service life. Built-in overload protection stops operation automatically at 110% of rated capacity, protecting both the crane and the load. The hoist operates on a safe 36 V control voltage and supports both pendant control and a 2.4 GHz wireless remote, each equipped with dead-man control and emergency stop. This balanced design lets you move quickly when speed matters and slow down when handling heavy or sensitive equipment, such as extrusion dies or precision tooling.
3. Heavy-Duty End Trucks and Runway Integration
Each end truck features four HRC 58 hardened wheels running on inline rails fixed to the existing column beams. Rails align within ±2 mm over each 25 m span, ensuring smooth trolley movement. Hydraulic buffers at runway ends absorb kinetic energy and protect the crane frame.
4. Variable-Frequency Drive (VFD) Controls
Bridge travel and trolley motion are driven by ABB ACS550 inverters. Soft-start and soft-stop ramps reduce mechanical shock and payload swing. Variable speeds up to 32 m/min allow rapid transit, while lower speeds of 8 m/min deliver precise positioning.
5. Safety and Monitoring Features
Modern cranes use mechanical and electronic limiters to stop hoist and trolley movement before reaching unsafe limits. Load-moment indicators display real-time weight, warn of overloads, and can trigger automatic cut-outs. Anti-two-block devices prevent the hook block from hitting the hoist head by stopping motion if needed. Emergency-stop buttons on controls and in the cubicle allow instant shutdown, using monitored safety wiring for reliable resets. IP54 enclosures protect electronics from dust and splashes, though harsher sites may need higher ratings. These features reduce errors and wear, and support inspections. Always check for proper calibration, clear alarms, and safety compliance when choosing a crane.
6. Installation and Commissioning
Yuantai's field team handled runway rail alignment, crane erection, VFD parameter configuration, and load testing at 125% of rated capacity. The crane passed factory acceptance tests and local safety inspections before handover in March 2025.
Performance in Diverse and Challenging Tasks with 10 Ton HD Bridge Crane Product
Since commissioning, the 10 ton HD bridge crane has performed across the plant's key material-handling areas.
1. Shredder Hopper Transfers
Operators now lift loaded shredder hoppers (up to 8 ton) directly from the shredder discharge onto the trolley. The high-speed hoist moves the empty hook into position quickly. Once under the hopper, the operator switches to creeping speed to engage the hoist safely. The total cycle from pick-up to placement at the drying station is under 3 minutes—down from 20 minutes previously. This rapid transfer keeps the shredder running at full capacity, reducing backlogs.
2. Extrusion Die Changeovers
When extruding different plastic grades, the die assembly must be removed and replaced. Bulkier dies (up to 5 ton) require careful handling. The VFD drives enable the operator to rotate the die half-turn to clear obstructions, then align it within ±20 mm accuracy. This precision avoids damage to the press platen and cuts die changeover time from 45 minutes to 20 minutes.
3. Drying Bin Relocations
Hot drying bins holding 2 ton of plastic flakes travel from ovens to storage racks. Previously, mobile trolleys required cooling pauses. With the overhead crane, bins move directly, reducing thermal stress on floors and equipment. The crane's IP 54 hoist and sealed bearings withstand the elevated workshop temperature (up to 45 °C). Operators move bins at a consistent 15 m/min trolley speed, avoiding sudden temperature shocks.
4. Palletized Pellet Handling
Finished pellets are packaged into 1 ton big-bags loaded on pallets. The crane picks pallet frames fitted with low-profile skids, places them on the pallet rack, and releases the bag by unhooking from forklift tines. This eliminates forklift wear and tear, extends forklift life, and improves floor space utilization. A single operator now manages both lifting and bag transfer processes.
5. Bulk Bag Inversion for Quality Inspection
Occasionally, pellets require sampling for moisture testing. Operators attach a forklift-compatible spreader bar to the crane hook, rotate the big-bag 180° over a sampling station, and lower it carefully. This inversion takes 2 minutes end-to-end, compared to 15 minutes previously with manual handling. Consistent placement speeds ensure safe inversion without bag rupture or spillage.
Yuantai 10 Ton Overhead Crane
Advantages of 10 Ton HD Bridge Crane Product
Yuantai's 10 ton HD bridge crane delivered measurable gains for the recycling plant:
1. Enhanced Productivity
Rapid hoist speeds and full bay coverage let the plant run material-handling tasks in parallel with production. Shredder downtime for hopper transfers dropped by 75%. Die changeover frequency increased without extending press downtime.
2. Improved Safety and Ergonomics
Wireless remote control keeps operators away from suspended loads. Built-in overload protection and limit switches guard against over-lifting. A review of safety records shows zero hoisting incidents in six months, compared to four minor events before installation.
3. Lower Maintenance and Operating Costs
By replacing forklifts and portable hoists for critical lifts, the plant reduced maintenance hours on mobile equipment by 60%. Overhead power consumption is lower than forklift use, and simplified parts (standard European hoist modules) minimize spare parts inventory.
4. Precision and Repeatability
Variable-frequency drives and the NR hoist's creeping mode achieve ±20 mm placement accuracy. Repeatability in die installs and hopper placements ensures consistent product quality and reduces scrap.
Additional Applications for 10 Ton HD Bridge Crane Product
The 10-ton heavy-duty (HD) bridge crane is designed not just for lifting capability, but also for precision, dependability, and ease of integration into a variety of manufacturing scenarios. This crane's sturdy single-girder design, European-style electric wire rope hoist, variable-frequency drive (VFD) travel motors, and responsive remote controls ensure smooth, accurate handling even in the most severe operating situations. Its modular design enables for quick installation in new facilities or retrofitting existing workshops, while built-in safety features like overload protection, anti-sway control, and emergency-stop circuits assure constant performance and operator confidence. Whether you want to improve throughput, decrease manual handling dangers, or simply increase your plant's total lifting capacity, the 10 ton HD bridge crane is a versatile option that can handle practically any heavy-lifting issue.
1. Automotive Parts Manufacturing
In high-volume stamping and assembly lines, reliability and repeatability are paramount. The 10 ton HD bridge crane lifts and positions heavy dies, toolheads, and welded subassemblies with ±20 mm accuracy, ensuring each component seats perfectly in CNC machining centers or robotic weld cells. Integrated anti-sway control minimizes pendulous motion during long traverses, protecting delicate tooling and preventing damage to adjacent machinery. The European wire rope hoist’s fine-speed control lets operators approach their workpiece slowly and precisely, while the remote-control handset keeps personnel clear of pinch points.
2. Steel Service Centers
Steel coils can weigh up to 10 ton apiece and are often coated in oil or cutting fluids. Our crane’s wire rope hoist features sealed housings and stainless-steel components to resist corrosive lubricants and airborne particulates. Using coil tongs or C-hooks, operators can transfer coils safely from storage racks to decoilers, slitting lines, or leveling machines without manual intervention. The VFD-driven bridge and trolley drives deliver smooth acceleration and deceleration, preventing shock loads on the crane structure and the steel itself.
3. Heavy Equipment Workshops
From construction machinery to agricultural implements, heavy-equipment service centers demand lifting solutions capable of handling large, unbalanced loads. The 10 ton bridge crane raises engine blocks, transmission cases, and spindle assemblies with ease before swiveling and lowering them onto assembly jigs or test stands. Ergonomic remote-control operation keeps the workshop floor clear, and the low-headroom trolley option maximizes useable lifting height in small repair areas. Pre-set load-position memory enables professionals to repeat complex installation sequences with minimal effort.
4. Power Generation Maintenance
In turbine halls and generator rooms, even minor misalignment can lead to severe vibration or inefficiency. Indoor-rated bridge cranes equipped with laser-guided anti-sway systems precisely maneuver rotor shafts, stator coils, and bearing housings up to 10 ton. Smooth, jerk-free hoisting and travel ensure that critical clearances are maintained during component swap-outs and alignments. Programmable overload protection and zone-limiting devices allow maintenance crews to restrict crane movement to designated safe corridors, reducing the risk of collision with nearby pipework and infrastructure.
5. Warehouse and Logistics Centers
When big pallets, industrial skids, or specialty racks surpass the capacity of forklifts, a single-girder bridge crane is a cost-effective solution. The improved VFD drive packages in the 10 ton variant allow it to cover vast storage aisles and perform high-speed load movement while retracting to a compact profile when not in use. Hook extensions, spreader beams, and vacuum lifting attachments can be easily swapped using a standardized quick-coupling interface, allowing a single crane to perform numerous shifts and duties without downtime.
In every situation, the combination of a tough structural girder, a precision European wire rope hoist, innovative VFD travel motors, and an easy remote control results in an end-to-end lifting system that improves safety, reduces downtime, and increases throughput throughout your operation.
Conclusion
Yuantai's 10 ton HD single girder bridge crane, complete with a European NR-type wire rope hoist and wireless remote, changed the material handling in a Pakistani plastic recycling company. The crane satisfied the customer's requirements for the rapid and precise movement of shredder hoppers, extrusion dies, drying bins, and palletized pellets. By solving previous difficulties such as fragmented handling, forklift limits, safety risks, and sluggish changeovers, the crane increased productivity, safety, and cost efficiency. Its modular design makes it suitable for a wide range of industrial applications, from car manufacture to power plant maintenance. For enterprises requiring dependable 10 ton interior lifting, this HD bridge crane configuration provides a reliable solution.
