Electro Finishing machine – EF-Smart S

The OTEC EF-Smart S combines top quality with high cost-effectiveness. Perfect for smoothing and polishing intricate jewellery.

EF-SMART Highlights

  • Processing of white gold palladium with the EF-Smart S+
  • Processing of gold, silver, brass and copper is possible
  • Reproducible processes due to easy multistep process programming
  • Easy metal recovery via deposition on cathodes
  • Ergonomically designed operating controls
  • Fast and easy container changes
  • 24 simultaneosly processable workpieces
  • Minimising the need for manual polishing
  • Excellent polish without rounding
  • Small footprint
  • Low capital investment
  • Maintenance friendly

Technical Data

Width x depth x height Weight Net volume Energy consumption
450 x 610 x 605 mm Ca. 45 kg Ca. 7 l 230 V / 50-60 Hz

This new generation of machine is perfect for medium and small production runs


  • Polishing of hard-to-reach inner contours without compromising intricate geometries
  • Finishing of stone-set jewellery and excellent polish on settings
  • Suitable for cast and 3D-printed jewellery
  • Finishing with glass beads also an option
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