Flying Shear vs Saw Cutting Systems: Speed, Cost & Cut Quality Comparison
Flying Shear vs Saw Cutting Systems
1. Overview of Both Cutting Systems
What is a Flying Shear System?
A flying shear system is a cutting unit that moves with the material and cuts while the profile is still moving.
- Moving carriage synchronized with line speed
- Continuous cutting without stopping
- Servo or hydraulic controlled
- Integrated into roll forming lines
Typical use:
- Roofing and cladding panels
- Steel framing and purlins
- High-volume roll forming production
- Continuous manufacturing lines
What is a Saw Cutting System?
A saw cutting system uses a rotating blade (circular or band saw) to cut metal profiles, typically as a secondary or inline process.
- Circular saw or band saw blades
- Material may stop or feed slowly during cutting
- Generates chips during cutting
- Can be inline or offline
Typical use:
- Structural steel sections
- Tubes and pipes
- Heavy-duty profiles
- Secondary finishing operations
2. Engineering Explanation
Flying Shear Engineering
- Carriage accelerates to match strip speed
- Blade cuts while moving with the material
- Encoder and servo system control synchronization
- Returns to start position after each cut
Key Outcome:
Continuous, high-speed cutting with precise length control and no interruption to production
Saw Cutting Engineering
- Rotating blade cuts through material
- Controlled feed rate and blade speed
- Material may be clamped or slowed
- Chips generated during cutting
Key Outcome:
Versatile cutting with ability to handle thick and complex profiles
3. Cost Comparison
This section compares flying shear and saw cutting systems across key cost factors.
Machine Investment
Flying shear systems require a higher investment (typically £100k–£600k+ depending on automation).
Saw cutting systems have a medium cost (typically £30k–£200k).
Tooling Cost
Flying shear requires profile-specific cutting dies, increasing tooling cost.
Saw systems use blades, which are consumables but relatively affordable.
Cost per Part
Flying shear delivers a very low cost per part at high production volumes.
Saw cutting results in a higher cost per part, due to slower speed and consumables.
Labour Cost
Flying shear systems have low labour requirements, due to automation.
Saw systems may require more operator involvement, especially offline setups.
Maintenance Cost
Flying shear systems have moderate maintenance costs, including servo systems and moving carriage.
Saw systems have moderate maintenance, mainly blade wear and replacement.
Key Insight
Flying shear systems are ideal for high-speed, high-volume production, while saw cutting systems are better suited for heavy-duty, flexible cutting applications.
4. Production Speed Comparison
Flying Shear Systems
- Typical speeds: 30–120+ meters per minute
- Continuous production
- No stopping required
Saw Cutting Systems
- Slower cutting speeds
- Dependent on material thickness
- Often requires stopping or slowing the line
Conclusion
Flying shear systems significantly outperform saw cutting systems in speed and overall production efficiency.
5. Accuracy & Cut Quality Comparison
Flying Shear
- High accuracy with encoder control
- Consistent cut lengths
- Clean cuts at high speed
- Minimal deformation
Saw Cutting
- High precision
- Smooth cut finish
- Minimal deformation
- Ideal for thick materials
Conclusion
Flying shear offers high-speed precision, while saw cutting provides superior surface finish and versatility for thicker materials.
6. Maintenance Comparison
Flying Shear
- Servo motor and encoder maintenance
- Carriage wear and alignment
- Requires technical servicing
Saw Cutting
- Blade replacement and sharpening
- Cooling and lubrication systems
- Simpler mechanical servicing
7. Typical Industries
Flying Shear Applications
- Roofing and cladding production
- Steel framing systems
- Roll forming lines
- High-volume manufacturing
Saw Cutting Applications
- Structural steel fabrication
- Tube and pipe manufacturing
- Heavy industry
- Secondary processing
8. Advantages and Disadvantages
Flying Shear Systems
Advantages
- Continuous production
- High speed
- Low cost per part
- Automated operation
- Ideal for roll forming
Disadvantages
- Higher cost
- Profile-specific tooling
- More complex system
Saw Cutting Systems
Advantages
- High-quality cut finish
- Suitable for thick materials
- Flexible applications
- Lower initial cost
Disadvantages
- Slower production
- Higher cost per part
- Blade wear and consumables
- May require secondary handling
9. When to Choose Each Option
Choose Flying Shear When:
- High production volume is required
- Continuous operation is needed
- Speed and efficiency are critical
- Profiles are consistent
Example: Roofing panel production lines
Choose Saw Cutting When:
- Material is thick or heavy
- High-quality finish is required
- Flexibility is needed
- Cutting is part of secondary processing
Example: Structural steel fabrication
10. Real Production Examples
Example 1: Roofing Panel Production
- System: Flying shear
- Requirement: Continuous high-speed cutting
Maximizes efficiency and output
Example 2: Structural Steel Fabrication
- System: Saw cutting
- Requirement: Thick material and clean finish
Ensures precision and quality
Example 3: Tube Manufacturing
- System: Saw cutting
11. FAQ
What is the main difference between flying shear and saw cutting systems?
Flying shear cuts while the material is moving, while saw cutting uses a rotating blade and is typically slower.
Which is faster?
Flying shear systems are significantly faster.
Which is cheaper?
Saw cutting systems are cheaper upfront, but flying shear is cheaper per part at scale.
Which produces better finish?
Saw cutting provides a smoother and higher-quality finish.
Which is better for roll forming lines?
Flying shear systems are better for high-speed roll forming production.
Which should I choose?
Choose flying shear for speed and efficiency, and saw cutting for quality and heavy-duty applications.