Blade Application Guides / Application Guide / Aerospace composites
Carbon Non-Crimp Fabric Sheet Slitting Blades
Carbon Non-Crimp Fabric has a reinforced prepreg, cured laminate or honeycomb construction whose fibers, resin and core require controlled support and contamination management. During sheet slitting, the cut condition depends on material construction, support, tension, speed and the equipment interface. A useful review compares accepted and rejected samples and records downstream performance instead of selecting a knife from the material name alone.
Where This Cutting Application Appears
Aircraft Interior Panels
Carbon Non-Crimp Fabric is converted by sheet slitting for aircraft interior panels, where narrow rolls with parallel clean edges supports reliable production.
Composite Structural Kits
Carbon Non-Crimp Fabric is converted by sheet slitting for composite structural kits, where consistent geometry and protected functional surfaces supports reliable production.
Spacecraft And Unmanned-Aircraft Components
Carbon Non-Crimp Fabric is converted by sheet slitting for spacecraft and unmanned-aircraft components, where repeatable handling in the next assembly step supports reliable production.
Common Ways to Describe This Cutting Problem
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Define the Required Cut Result
- Hold slit width and edge straightness across the master roll
- Build stable rewind rolls without telescoping or blocking
- Control the material-specific risk: reinforcement frays, splinters or delaminates at the edge
- Protect function and cleanliness through the next aerospace composites operation
Problems to Diagnose Before Changing the Knife
Slit width drifts across the web
Check web guiding, shaft runout, spacer stack, side load, tension and roll hardness.
Reinforcement frays, splinters or delaminates at the edge
Compare fiber, resin system, cure state and laminate thickness, temperature, support, speed and samples from accepted and rejected positions.
Core cells crush or resin-rich surfaces chip
Review layup, core construction, protective film and allowable edge damage, web orientation, contact surfaces, tension and downstream acceptance.
Finished material or waste does not separate consistently
Check geometry, release angle, static, extraction, winding or stacking conditions and identify the first point where instability begins.
Knife Forms That May Be Considered
| Possible knife form | When it may be considered | What must be confirmed |
|---|---|---|
| Circular shear slitting arrangement | For supported precision width conversion with controlled overlap and side load. | Confirm only from the actual carbon non-crimp fabric sample, equipment interface, operating motion, current component and approved drawing. |
| Score or crush slitting arrangement | Only where the material and compatible anvil system support controlled penetration. | Confirm only from the actual carbon non-crimp fabric sample, equipment interface, operating motion, current component and approved drawing. |
Information to Send for Technical Review
You do not need to know the exact blade name. Send the available workpiece, machine, current-knife and cut-result information so the application can be reviewed against a drawing or sample.
- fiber, resin system, cure state and laminate thickness
- layup, core construction, protective film and allowable edge damage
- master-roll width, diameter, core and required slit widths
- Line speed, tension, temperature, support and cutting frequency
- Current cutting arrangement, holder drawing, mounting dimensions and used sample
- Material direction, contact faces, guiding and waste or product collection method
- Accepted and rejected samples with edge, surface, particle and dimensional limits
- Trial quantity, inspection method, downstream process, packing and annual demand
Questions About This Cutting Application
Why must carbon non-crimp fabric be reviewed as a complete construction?
Its layers and functional surfaces can respond differently to pressure, friction, tension and temperature, so nominal thickness alone cannot predict the cut.
Can the blade configuration be selected from the term “carbon non-crimp fabric” alone?
No. Confirm the sheet slitting motion, holder interface, support, speed, dimensions and accepted samples before selecting a configuration.
What commonly causes defects during sheet slitting?
Material variation, temperature, tension, insufficient support, misalignment, runout, contamination and unsuitable cutting geometry can interact.
When should converted dimensions be measured?
Record immediate and conditioned results because elastic recovery, residual stress, moisture or adhesive flow may change dimensions after conversion.
What should a production trial record?
Record material lot, setup, speed, tension, temperature, dimensions, edge condition, waste behavior and performance in the next aerospace composites step.
Request a Custom Cutting-Knife Review
Send the workpiece details, machine or holder information, current knife photos or sample, required quantity and examples of the present cut problem. Final dimensions, material, edge geometry and tolerances are confirmed from the approved requirements.