Tungaloy to introduce the GNGA series with T-CBN, the newly designed CBN insert

Tungaloy Corporation is pleased to introduce the GNGA series with T-CBN, the newly designed CBN insert.

The T-CBN’s new GNGA series is the ultimate solution for sudden insert failure and machined surface flaw due to poor chip control. Compared with the conventional C type insert whose cutting edge angle is 80°, the new GNGA insert’s uniquely designed 70° cutting edge angle can create larger clearance between the workpiece and the insert when in contact with the workpiece to machine. The optimized geometry will provide smooth chip control, preventing machined surface damage by chip packing and sudden insert fracture due to chip jamming.

The GNGA inserts are applicable on existing ISO toolholders that holds CNGA1204.. type insert and available in the grades: BXM20 and BX360 for hardened steel; BX470 for cast iron and powder metal; and BX930 for ductile cast iron.

Main features:

  • 2-cornered CBN insert with clearance angle larger than that of the CNGA insert
  • Smooth chip control delivers good surface quality and prevents sudden fracture of the tool.
  • Reduced thrust force minimizes workpiece deformation, leading to high-precision machining.
  • Applicable on the regular toolholders for CNGA1204.. type insert
  • 10 items in total

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