Optical Surface Quality

Since beginning of 2012 due to new developments in drive and spindle technology extremely high surface qualities are achievable, which are comparable to such produced on ultra-precision machine tools (UP machines).

 
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Reflector

Produced with air bearing spindle on the machine

  • Material ELMAX 58 HRC
  • Precision +/- 1 µm
  • Surface quality Ra = 0,005 µm

 
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Insert for injection mould of a mobile phone display

Entire surface produced with Ra < 0.01 µm on the HSC machine

 
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Paraboloid

Surface quality achieved by machining Ra < 0.01 µm

 
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Surface quality after milling
with a 4 mm ball nose cutter, surface quality Ra < 10 nm, machining with small step over from tool path to tool path

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Detail
of reflecting workpiece above

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