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Doosan LYNX220A CNC Lathe Transportation: A Complete Case Study

Detailed case study of transporting a 2010 Doosan LYNX220A CNC lathe, including preparation, loading procedures, and safety protocols for precision equipment.

Machinery Transport Specialists
8 min read
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Doosan LYNX220A CNC Lathe Transportation: A Complete Case Study

Project Overview
This case study documents the successful transportation of a 2010 Doosan LYNX220A CNC lathe from a manufacturing facility in Seoul to a new location in Busan, South Korea. The project showcases best practices for handling precision machinery during relocation.

Machine Specifications
- Model: Doosan LYNX220A
- Year: 2010
- Weight: 4,200 kg (9,260 lbs)
- Dimensions: 3,200mm x 1,800mm x 2,100mm
- Chuck Size: 8-inch
- Max Turning Diameter: 220mm
- Condition: Excellent working condition

Pre-Transport Assessment

Machine Evaluation
Our team conducted a comprehensive evaluation of the CNC lathe before transportation:

1. Mechanical Condition: All moving parts inspected and documented
2. Electrical Systems: Control panel and wiring harness checked
3. Hydraulic Systems: Oil levels checked and system pressure tested
4. Tooling Inventory: All cutting tools and fixtures catalogued
5. Documentation: Operating manuals and maintenance records collected

Transportation Planning
- Route Analysis: 350km journey with bridge weight restrictions
- Equipment Requirements: 25-ton mobile crane and lowboy trailer
- Permits: Overweight permit obtained for combined load
- Timeline: 2-day project including disassembly and reassembly

Preparation Procedures

Machine Preparation (Day 1)
1. Power Disconnection: Main electrical supply safely disconnected
2. Fluid Drainage: Hydraulic oil (45 liters) and coolant completely drained
3. Component Removal:
- Chuck and tailstock removed and packed separately
- Tool turret secured in transport position
- Control panel covers installed for protection
4. Cleaning: Machine surfaces cleaned to prevent contamination during transport

Rigging Preparation
- Lifting Points: Manufacturer-specified lifting points identified on base casting
- Weight Distribution: Center of gravity calculated at 1,600mm from headstock
- Rigging Hardware: Grade 8 lifting chains and spreader bars prepared
- Safety Equipment: Secondary rigging installed as backup

Loading Process

Equipment Setup
- Mobile Crane: 25-ton Tadano positioned with 8-meter reach
- Trailer: Lowboy trailer with hydraulic ramps and tie-down points
- Support Equipment: Machinery skates and alignment tools

Step-by-Step Loading
1. Initial Lift: Machine lifted 200mm to test rigging stability
2. Transport Position: Slowly moved to trailer centerline
3. Lowering: Carefully lowered onto trailer bed with precision positioning
4. Securing: Multiple tie-down points using chains and ratchet straps

Transportation Safety Measures

Securing Methods
- Primary Securing: Four Grade 70 transport chains (3/8" diameter)
- Secondary Securing: Six heavy-duty ratchet straps (10,000 lb capacity)
- Blocking: Custom steel chocking blocks welded to trailer
- Protection: Rubber padding at all contact points

Route and Speed Management
- Maximum Speed: 45 mph on highways, 25 mph in urban areas
- Route Selection: Avoided construction zones and low bridges
- Communication: Escort vehicle with radio contact maintained
- Weather Monitoring: Transport delayed during heavy rain

Unloading and Installation

Site Preparation
- Foundation: Concrete pad leveled to within Β±0.1mm tolerance
- Utilities: Electrical connections prepared (440V, 3-phase)
- Environmental: Climate-controlled environment maintained

Unloading Process
1. Site Inspection: Unloading area and crane position verified
2. Reverse Procedure: Loading process reversed with same precautions
3. Positioning: Machine positioned using precision moving equipment
4. Anchor Installation: Foundation bolts installed and torqued to specification

Post-Transport Procedures

Machine Recommissioning
1. Leveling: Machine leveled using precision instruments
2. Alignment: Spindle and carriage alignment verified
3. Fluid Refill: Hydraulic system refilled and tested
4. Electrical Reconnection: All electrical connections restored and tested
5. Calibration: Machine accuracy verified with test parts

Quality Verification
- Dimensional Accuracy: Β±0.005mm tolerance verified
- Surface Finish: Ra 1.6 Β΅m surface finish achieved
- Operational Testing: 8-hour continuous operation test completed
- Final Inspection: Customer acceptance and sign-off obtained

Challenges and Solutions

Challenge 1: Weight Distribution
Issue: Original lifting points created uneven weight distribution
Solution: Custom spreader beam designed to balance load properly

Challenge 2: Height Restrictions
Issue: Combined height exceeded bridge clearance by 15cm
Solution: Route modified to avoid restricted bridges, adding 45 minutes to journey

Challenge 3: Precision Requirements
Issue: Customer required sub-micron accuracy after relocation
Solution: Professional machine alignment service performed post-transport

Cost Analysis

Transportation Costs
- Crane Service: $2,400 (8 hours)
- Transportation: $3,200 (350km distance)
- Permits and Escorts: $450
- Rigging and Materials: $800
- Total Transportation: $6,850

Additional Services
- Dismantling: $1,200
- Reassembly: $1,800
- Alignment and Calibration: $2,500
- Project Total: $12,350

Lessons Learned

Best Practices Confirmed
1. Thorough Planning: Pre-transport assessment saves time and prevents issues
2. Quality Rigging: Investment in proper rigging prevents costly damage
3. Professional Installation: Precision equipment requires professional alignment
4. Documentation: Detailed records help with insurance and customer confidence

Process Improvements
1. Digital Documentation: Photos and videos provide valuable reference
2. Customer Communication: Regular updates reduce anxiety and build trust
3. Weather Contingency: Flexible scheduling prevents weather-related delays
4. Post-Transport Support: Follow-up service ensures customer satisfaction

Conclusion

The successful transportation of the Doosan LYNX220A demonstrates the importance of detailed planning, proper equipment, and experienced personnel when moving precision machinery. The project was completed on time, within budget, and the machine achieved full operational capability at its new location.

This case study serves as a template for similar CNC lathe transportation projects, highlighting critical procedures and safety measures that ensure successful outcomes.

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Project Team: Professional machinery movers with 15+ years experience
Customer Satisfaction: 100% - Machine operating to original specifications
Insurance Claims: Zero - No damage during transportation

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Last updated: January 28, 2024

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