Steel Window Frame Roll Forming Factory Case Study in Turkey

Steel Window Frame Production Line Case Study in Turkey

Introduction

This case study examines a high-capacity steel window frame manufacturing facility in Turkey, producing precision roll formed steel profiles used in residential, commercial, and industrial window and door systems.

Steel window frame profiles—including C sections, U channels, reinforced frame sections, glazing bead profiles, and custom architectural components—are essential for modern construction projects. These profiles must meet strict dimensional tolerances, aesthetic requirements, and structural performance standards.

Turkey has become a major manufacturing hub for steel window and door systems due to its strong steel industry, skilled workforce, and strategic location between Europe, Asia, and the Middle East. Manufacturers in this sector must produce high volumes of high-quality profiles while maintaining competitive pricing and export standards.

To achieve this, the factory invested in advanced roll forming machinery designed for precision forming, high-speed production, and multi-profile flexibility.

Factory Overview

Location:

Istanbul Industrial Zone, Turkey

Industry:

Construction & Architectural Systems

Facility Size:

• 18,500 m² production facility
• 4 window frame production lines

Market Coverage:

• Turkey (domestic market)
• Europe (Germany, Netherlands, UK)
• Middle East & North Africa

Customer Base:

• Window and door manufacturers
• Construction companies
• Architectural system suppliers
• Export distributors

Workforce:

• 75 employees after automation
• Previously 115 employees

Machine Type

Installed Equipment:

Steel Window Frame Roll Forming Machines (High-Precision Multi-Profile Lines)

Main Components:

• Decoilers (3–8 ton capacity)
• Feeding and leveling systems
• Servo-driven punching systems
• Roll forming mills (precision tooling)
• Hydraulic or flying shear cutting systems
• PLC control systems

Machine Specifications & Profiles Produced

Technical Specifications | Profiles Produced

Machine Speed: 20–45 meters/min | Main Profiles: Window frames, U channels, glazing bead sections
Roller Stations: 16–28 stations | Profile Types: Steel window and door systems
Material Thickness: 0.8–2.0 mm | Applications: Residential, commercial, industrial buildings
Drive System: Gearbox-driven system | Standards: EN / architectural standards
Main Motor: 11–30 kW | Variants: Standard and reinforced profiles
Cutting System: Hydraulic shear / flying cut | Custom Options: Slot punching, locking features
Control System: PLC (Siemens / Delta) | Features: High-precision forming
Forming Width: Custom depending on profile | Additional Products: Door frames, reinforcement sections

The machines are designed for precision and consistency, ensuring tight tolerances required for architectural applications.

Production Capacity

Daily Output:

• 15,000 – 35,000 meters per day

Monthly Output:

• 450,000 – 1 million meters

Annual Production:

• 5 – 12 million meters

Efficiency Improvements:

• 65% increase in production capacity
• 50% reduction in setup time
• Improved dimensional accuracy

Lead Times:

• Standard orders: 1–3 days
• Export orders: 5–10 days

Material Used

Raw Materials:

• Galvanized steel
• Pre-painted steel
• Cold-rolled steel

Material Specifications:

• Thickness: 0.8 – 2.0 mm
• Yield strength: 200 – 350 MPa
• Surface finish: Painted, coated, or untreated

Material Sources:

• Turkish steel mills
• European suppliers

Material Challenges:

• Maintaining surface quality for visible applications
• Preventing scratches during forming
• Ensuring consistent coating quality

Problems Before Machine Installation

1. Inconsistent Profile Accuracy

Profiles did not meet architectural tolerances.

2. Surface Defects

Visible imperfections affected product quality.

3. Low Production Speed

Older machines limited output.

4. High Labour Dependency

Manual processes reduced efficiency.

5. Limited Profile Capability

Machines could not produce multiple frame designs.

Problems Solved After Implementation

1. High Precision Output

Profiles meet strict architectural standards.

2. Improved Surface Quality

Reduced defects and improved finish.

3. Increased Production Speed

Higher output capacity achieved.

4. Reduced Labour Costs

Automation improved productivity.

5. Multi-Profile Capability

Supports a wide range of window and door systems.

Production Workflow

Step 1: Coil Loading

Steel coils are loaded onto decoilers.

Step 2: Feeding & Leveling

Material is aligned and prepared.

Step 3: Punching

Slots and holes are punched for assembly and locking systems.

Step 4: Roll Forming

Profiles are formed through precision roller stations.

Step 5: Cutting

Profiles are cut to required lengths.

Step 6: Packaging & Distribution

Products are packaged and shipped to customers.

ROI and Financial Impact

Machine Investment:

• $120,000 – $500,000

ROI Period:

• 3–6 months

Cost Savings:

• Reduced labour costs
• Lower scrap rates
• Improved efficiency

Revenue Growth:

• 80–140% increase in production capacity

Additional Benefits:

• Expansion into export markets
• Improved product quality

Common Production Issues & Solutions

Surface Scratches

Cause: Material handling
Solution: Improve feeding systems

Profile Distortion

Cause: Incorrect roll setup
Solution: Adjust tooling

Hole Misalignment

Cause: Punch calibration
Solution: Recalibrate system

Cut Length Errors

Cause: Encoder faults
Solution: Recalibrate system

Maintenance Strategy

Daily:

• Inspect rollers and punching systems
• Clean forming stations

Weekly:

• Lubricate bearings
• Inspect tooling

Monthly:

• Check alignment and calibration
• Inspect electrical systems

Quarterly:

• Replace worn components
• Full system inspection

Lessons Learned

1. Precision is Critical

Architectural products require tight tolerances.

2. Surface Quality Drives Sales

Visible defects impact customer acceptance.

3. Flexibility Increases Market Reach

Multiple profiles support diverse projects.

4. Automation Reduces Costs

Improves efficiency and consistency.

5. Export Standards are Essential

Quality must meet international requirements.

Key Takeaways for Buyers

If you are considering a steel window frame roll forming machine:

• Invest in high-precision forming systems
• Ensure surface protection capability
• Choose multi-profile flexibility
• Plan maintenance and tooling
• Focus on architectural quality standards

Why Steel Window Frame Manufacturing is Growing in Turkey

Steel window frame production is expanding because:

• Strong construction industry
• Growth in residential and commercial projects
• Export demand to Europe and MENA
• Competitive manufacturing costs
• Increasing demand for durable window systems

Conclusion

This Turkey-based steel window frame production line demonstrates how advanced roll forming technology enables manufacturers to meet the demands of modern construction and architectural industries.

By focusing on precision, surface quality, and efficiency, the factory achieved significant improvements in production capacity, product quality, and export capability.

For manufacturers and investors, this case study highlights the importance of machine accuracy, flexibility, and consistency in architectural profile production.