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Deep hole machining

Deep hole machining means machining of holes deeper than ten times the hole diameter. This can be done in different machine set-ups.  The most common method is rotating the work piece while the tool is fed in a linear movement. Rotating tool is another option as well as a combination of the two.

Regardless of method, the basic principles of drilling still apply, and the correct choice of cutting speeds and feeds are crucial. Satisfactory chip breaking, and removing the chips from the cutting edge without damaging the tool or work piece, is essential. One of the most important success factors is an effective coolant system.


Examples of segments and applications

  • Oil & Gas
  • Aerospace
  • Heat Exchanger Plates (HEP)
  • Primary metals
  • Hydraulic tube 

Three systems available

Single tube system  (STS)​  Ejector System  Gun Drill System
  • First choice for high productivity and long series production ​
  • For drilling smaller batch quantities
  • Can easily be adapted to a conventional machine​
  • Capable of producing smaller holes​

For more information:
Deep hole drilling, product catalogue and application guide 
Skiving and roller burnishing application guide
Manufacturing of Hydraulic Cylinders
Gun drilling brochure

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