Milling of stainless steel with end mill

An OEM customer is looking for a coating to improve the 8 mm square cemented carbide end mill used to mill 1.4122 stainless steel. The milling process uses coolant, at a tool rotation speed of 8000 rpm and a cutting speed of 201 m/min. Axial depth is 8 mm and radial depth 0.4 mm.

Cutting Tools coating solutions | Ionbond
Hardcut Plus Hub

Coating challenge

Problems encountered:

  • Low thermal conductivity; heat transfer happens through the tool and not through the chips
  • High wear
  • Tendency toward notching, and chipping of the cutting-edge radius

Coating requirements:

  • Good temperature resistance wear
  • High hardness
  • Allowing a sharp edge to reduce cutting forces and further heat generation

Our coating recommendation

Cutting Tools
Hardcut milling cutter

Hardcut™ Plus

Hardcut™ Plus, a TiSiN based multi-layer coating, has been developed for high speed end-milling and gear hobbing of the hardest and toughest materials including exotic nickel and titanium alloys unde…

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Discuss your challenges with Kalpak Shaha

Dr. Kalpak Shaha, Global Segment Manager Cutting Tools, will be glad to support you.

We will get back to you as soon as possible

Kalpak Shaha

Dr. Kalpak Shaha

Global Segment Manager Cutting Tools