Flying shear or stop-cut: which approach fits the production target?
The cutting method should follow the material, finished sheet and required output. Choosing by headline speed alone can add cost without improving the operation.
6 min read · Engineering guide
How stop-cut works
In a stop-cut process, the strip is positioned and stopped for cutting. The concept can be practical where output is moderate, material is demanding or finished length changes frequently.
- Straightforward control concept
- Suitable for many medium-output applications
- Production rate depends on the stop-and-start cycle
How a flying shear works
A flying shear synchronizes the cutting action with moving strip. It can support higher continuous output, but requires careful coordination of measuring, control and material handling.
- Continuous strip movement
- Higher potential output
- More demanding synchronization and discharge design
The decision inputs
Compare the two approaches using real product mixes rather than a single maximum specification. Sheet length, thickness, strength, length tolerance, cuts per minute and stacking method must be considered together.
- Material thickness and strength
- Minimum and maximum sheet length
- Length tolerance
- Typical cuts per minute
- Product-change frequency
- Stacking requirement
Ask for a production scenario review
A supplier should be able to explain how the proposed cutting method handles the typical order, the heaviest product and the shortest sheet. That comparison is more useful than a single speed figure.