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Insert Land

A “Land” is a small flat area, typically 0.002-0.02″ (0.05-0.5 mm) long that connects between the tip of the cutting edge to the rake angle.

LW – Land Width:

A bigger land width increases the toughness of the cutting edge and it’s ability to withstand blows. The downside is higher cutting forces.

LA – Land Angle:

  • LA of zero is a neutral land which is very common.
  • A positive land angle increases the sharpness but recuses the toughness of the cutting edge.
  • A negative land angle increases the toughness at the expense of sharpness. It is common to find negative lands when machining cast iron or in very heavy applications.

Learn about more Cutting Edge Parameters

K Land
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