Cutting Tool Engineering

December 2012 / IMTS 2012 Roundup

ATI Stellram debuts 7792VXE16 high-feed cutters
Cutting Tool Engineering
ATI Stellram introduced its 7792VXE16 high-speed shell mill cutter.

ATI Stellram says its 7792VXE16 high-feed shell mill cutter yields the highest levels of material-removal rates in high-performance alloys, such as nickel-based alloys, cobalt-based alloys and titanium-based alloys. The tools direct cutting forces axially into the spindle, reducing spindle wear and improving machining stability.

These facemills take repeated shallow DOC and operate at very high feed rates. High feed rates increase the mrr up to five times greater than conventional cutters, reducing component costs, according to Stellram. In addition to high-feed facemilling, the 7792VXE16 is capable of pocketing, slotting and plunging.

Inserts for the 7792VXE16 cutters feature four cutting edges for improved tool economy. Several insert grades are available:

  • Grade X500 for the toughest applications in nickel-based alloys, cobalt-based alloys, titanium and titanium-based alloys.
  • Grade X400 is a high-performance X-grade insert for steels and materials hardened to 53 HRC.
  • Grade SP6519 offers the combination of a tough substrate with TiAlN “super nano” coating for high-temperature alloys and stainless steels.
  • Grade SC3025 combines a tough substrate and a wear-resistant CVD coating to enhance performance in difficult cast iron machining conditions. It is also suited for gray and ductile cast irons.
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