4 Sets 5 Ton Double Girder Overhead Cranes in Lahore, Pakistan

Client Background

The client, a Lahore-based industrial conglomerate, operates large-scale facilities involved in steel fabrication, heavy machinery assembly, and logistics. Seeking to modernize their production lines, they required robust overhead cranes capable of handling heavy loads with precision, durability, and compliance with global safety standards. After evaluating multiple suppliers, the client selected DQCRANES for our reputation for delivering FEM-compliant solutions and customized crane systems.

Project Requirements

The client’s overhead crane specifications included:
 

• Capacity: 5 tons per crane.
• Span: 14.1 meters to cover the width of their production bays.
• Lifting Height: 5 meters to accommodate vertical storage and multi-level workflows.
• Design Standards: FEM (European Materials Handling Federation) norms for structural integrity and performance.
• Configuration: Double girder design for enhanced load stability and longevity.
• Operational Environment: Suitability for high-usage industrial settings with temperature fluctuations and dust exposure.

Design & Engineering

DQCRANES’ engineering team conducted a detailed site assessment (virtually, due to logistical constraints) to align the 5 ton overhead crane design with the client’s facility layout and operational workflows. Key design considerations included:

1. FEM-Compliant Structural Design: The double girder configuration was optimized using FEM standards, ensuring resistance to dynamic loads, deflection limits (<1/700 of span), and fatigue resistance.
2. Span Optimization: The 14.1-meter span posed a challenge in minimizing bridge deflection. DQCRANES utilized finite element analysis (FEA) to reinforce the girders and integrate cross-bracing, ensuring rigidity without excessive weight.
3. Hoist System: Equipped with a 5 ton wire rope hoist (Class FEM M5) for smooth lifting and lowering, featuring thermal overload protection and variable frequency drives (VFDs) for precise speed control.
4. Trolley and Bridge Movement: Motorized travel systems with anti-derailment guards and limit switches for safe longitudinal and cross-shifting movements.
5. Safety Enhancements: Emergency stop buttons, overload limiters, and IP55-rated electrical components to withstand dust and moisture.

Manufacturing & Quality Control

• Materials: Welded box-section beam, mainly using material Q235B carbon structural steel strong and elegant, easy to maintain. Three-layer painting for girders, shot-blasted and painted for corrosion resistance.
• Fabrication: CNC laser cutting ensured precision in girder fabrication.
• Assembly: Modular design for ease of shipping and on-site reassembly.
• Testing: Rigorous testing was conducted on each crane, including load testing, functional testing, and electrical testing, to ensure compliance with design specifications and safety standards.

Installation & Commissioning

DQCRANES' experienced installation team traveled to Lahore to oversee the installation and commissioning of the cranes. This involved:   

1. Site Inspection: A thorough site inspection was conducted to ensure the runway and supporting structure were prepared for crane installation.
2. Crane Installation: The cranes were installed and aligned according to the manufacturer's instructions and safety guidelines.
3. Electrical Connection: The electrical system was connected and tested to ensure proper functionality.
4. Load Testing and Commissioning: Load testing was conducted to verify the crane's performance and safety. The cranes were then commissioned and handed over to the client.
5. Training: The client's personnel were trained on the proper operation and maintenance of the cranes.

After-Sales Service

• DQCRANES provided comprehensive after-sales support, including maintenance, spare parts, and troubleshooting.
• A dedicated service team was available to address any issues or concerns that the client may have.
• Regular maintenance visits were scheduled to ensure the continued safe and efficient operation of the cranes.

Benefits

The client experienced a significant improvement in their material handling efficiency and productivity.
 

• The FEM standard overhead cranes provided reliable and safe operation, minimizing downtime and maintenance costs.
• The customized crane design and installation ensured that the cranes met the client's specific needs.
• The professional after-sales support provided peace of mind and ensured the long-term performance of the cranes.
• The industrial group was able to streamline its production process, increasing throughput and reducing operational costs.

The use of the new electric traveling cranes increased the safety of the plant, reducing the chance of accidents caused by older outdated material handling systems.

FEM Standards Cranes Supplier in Pakistan - DQCRANES

DQCRANES offer types of fem cranes and hoists for sale in Pakistan at good price. Check Dongqi FEM crane, fem overhead crane, fem gantry crane, FEM hoists, and hoist and crane parts now.

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Choose Overhead Crane from DQCRANES in Pakistan

• Lifting Capacity: Calculate the maximum weight to be lifted, including a safety margin (typically 25-30% above the heaviest load).
• Span: Measure the distance between runway rails to ensure the crane fits within your facility’s width.
• Lifting Height: Assess the vertical distance required to lift loads, considering ceiling height and any elevated platforms.
• Duty Cycle: Classify usage as light (occasional), medium (regular), or heavy (continuous). DQCRANES offers models rated under FEM or ISO standards for different intensities.
• Crane Type: Single Girder - Cost-effective for light-to-moderate loads (up to 20 tons) and shorter spans. Double Girder - Suitable for heavy loads (>20 tons), longer spans, and higher duty cycles. Gantry/portable cranes - Ideal for outdoor use or areas without existing support structures.
• Control System: Choose between pendant (handheld), radio (remote), or cabin controls based on operational ease and safety.
• Power Supply: Ensure compatibility with Pakistan’s voltage (220V/380V) and consider surge protection for unstable grids.
• Safety Features: Verify overload protection, emergency stops, and limit switches. Ensure compliance with international standards (ISO, FEM) and local Pakistani regulations.
• Indoor/Outdoor Use: For outdoor cranes, opt for weather-resistant materials (e.g., corrosion-resistant coatings).
• Space Constraints: Evaluate clearance for crane movement and installation logistics.
• Custom Solutions: Inquire about DQCRANES’ ability to tailor cranes (e.g., specialized hooks, automation).

Compile your requirements using the above criteria and contact DQCRANES’ sales team, to ensure a cost-effective and reliable solution tailored to your Pakistani facility.