Router bit for composites Finishing D12 I40 L90 S12 RH

Multi-flute spiral end mill VHM for composites with downward chip removal – clean top edge and protection against delamination

Index: CVS.12.040.090.12R

Industrial multi-flute spiral end mill made from sintered carbide (VHM) with negative geometry (downward chip removal). The specialist multi-edge design has been developed for machining composite materials, eliminating the risk of delamination and the pulling out of glass and carbon fibres. The left-handed screw channel directs cutting forces and chips downward, which presses the workpiece against the table and guarantees a clean top edge without chipping. Dedicated to precision cutting, welding, grooving, and slotting of composites on CNC machining centres and overhead milling machines. The ground shank in class H6 accuracy eliminates radial runout, protecting the machine's drive system.

Design advantages and technical properties:

• Multi-flute geometry for composites: The multi-edge cutting system cleanly shears the material structure, effectively preventing delamination and the pulling out of glass and carbon fibres.
• Negative geometry (downward chip removal): The left-handed chip channel directs chips downward and presses the workpiece against the substrate, providing a clean finish on the top edge of the part.
• Sintered carbide (VHM) monolith: The rigid and wear-resistant structure of the monolith ensures high tool longevity when machining highly abrasive materials.
• Low shank roughness (Ra ≤ 0.3 µm): The ground shank surface prevents slipping in the holder and protects the spindle cone from wear.
• Dynamic balancing in class G2.5: Balancing according to ISO standards guarantees vibration-free operation at very high speeds.

Application and scope of use:

The tool is intended for cutting, welding, grooving, and slotting operations on composite materials using CNC machining centres.

Used in the machining of materials such as carbon fibre reinforced plastics (CFRP), glass fibre reinforced plastics (GFRP), and composites such as CORIAN® and HPL.