Ball nose spiral router bit for aluminum & plastics VHM Z2 D12 I42 L90 S12 RH Finishing positive

Two-flute spiral cutter VHM ball nose for aluminium and plastics with upward chip ejection – for sculpting and 3D machining

Index: SQ31.12.042.090.12R

Industrial two-flute spiral cutter made from sintered carbide (VHM) with a ball nose geometry and upward chip ejection (positive). The arrangement of two cutting edges (Z2) with a full radius on the ends enables precise contour milling, sculpting, engraving, and machining of curved surfaces in 3D without leaving sharp steps. The right-hand helical design effectively lifts the chips upwards, preventing their accumulation in the cutting zone. Designed for finishing work, cutting and welding in aluminium, plastics, and composite materials on CNC machining centres and overhead milling machines. The finishing geometry combined with polished flutes prevents chip build-up on the cutter body. The ground shank with an accuracy class of H6 eliminates radial runout, protecting the machine drive system.

Structural advantages and technical properties:

• Ball nose geometry: The full radius on the tool's ends allows for precise 3D modelling, machining of spatial surfaces, and smooth transitions in internal radii.
• Two-flute design Z2 (positive): Two cutting edges increase the stiffness of the cutter and allow for efficient work with smooth guidance in the material.
• Positive geometry (upward chip ejection): The right-hand spiral lifts the chips upward, protecting the lower machined surface from scratches caused by chips.
• Polished flutes: The mirror-like surface of the spiral reduces friction and effectively prevents chip adhesion to the body.
• Sintered carbide (VHM) monolith: The rigid and wear-resistant structure of the monolith reduces vibrations and guarantees dimensional stability with precise details.
• Low shank roughness (Ra ≤ 0.3 µm): The ground surface of the shank prevents slipping in the holder and protects the spindle taper from wear.
• Dynamic balancing class G2.5: Balancing in accordance with ISO standards ensures vibration-free operation at very high speeds.

Intended use and application range:

The tool is intended for 3D finishing machining, sculpting, engraving, cutting, and welding in aluminium and plastics on CNC machining centres.

Used for machining materials such as: aluminium, plastics, and composites like CORIAN® and HPL.