Otec Electro Finishing Range

EF-Flex Electro Finishing Machine:

EF-Flex is used for the processing of delicate & intricate jewellery pieces with complex geometries that requires gentle smoothing & polishing. With perfect process reliability. Short processing time for cost-effective & high-volume processing, minimising manual work.

• Application areas: Bracelets, bangles, pendants, rings & necklaces in yellow, red & white gold, silver, brass & stainless steel.
• Processing in hard-to-reach areas & inner contour.
• Maintaining intricate geometries with gentle smoothing & polishing.
• Excellent polishing on gemstone settings without rounding.
• Sparkling diamonds due to the high polished setting.
• No damage to diamonds, gemstones & zirconia.
• Reducing pre-polishing & filing time by up to 90%.

Features:

• Cyanide-free abrasive with no aggressive acids – no suction required.
• Reproducible & fast results in process time of just 10-20 minutes.
• Easy gold recovery through filtration of electrolyte & separation at the cathodes.
• Modular Electro Finishing Machine for up to 40 workpieces per process container.
• Up to 3 process containers to be added due to flexible design.
• Intuitive touch panel control & “recipe” database with workpiece specific standard programs.
• USB port for software updates.
• Remote control, remote maintenance & OPC UA interface options.

EF-Compact Electro Finishing Machine

The new EF-Compact table-top machine gently smooths & polishes delicate jewellery pieces with complex geometries. Combining top quality with maximum effectiveness.

• Application areas: Chokers, bracelets, bangles, pendants, & rings in yellow, red & white gold.
• Processing hard-to-reach & inner contours.
• Gentle processing of delicate jewellery pieces without bending.
• Excellent polishing on gemstone settings without rounding.
• Sparkling diamonds due to the high polished setting.
• No damage to diamonds, gemstones & zirconia.
• Reducing pre-polishing by up to 90%.

Features:

• Cyanide-free abrasive with no aggressive acids – no suction required.
• Reproducible & fast results in process time of just 10-20 minutes.
• Easy gold recovery through filtration of electrolyte & separation at the cathodes.
• Intuitive touch panel control & “recipe” database with workpiece specific standard programs.
• Remote control & remote maintenance options.
• Recommended installation height is 450mm.

EF-Smart S Electro Finishing Machine

Gently smooths & polishes delicate jewellery pieces & workpieces with complex geometries. Prefect process reliability & processing even in the smallest corners. With short processing time & high-quality results.  The EF-Smart S is cost effective & minimises manual work steps.

• Compact Electro Finishing Machine with ergonomically designed operating controls.
• Processes free from acid & cyanide.
• Processes in hard-to-reach areas & inner contours.
• Easy programming for reproducible processes.
• No pre-polishing needed.
• Easy programming of multi-step processes using the direction of rotation, voltage, processing time & speed parameters.
• Process container cover with 4 mounts, each for 6 workpieces.
• Easy precious metal recovery via deposition on cathodes.
• Fast & easy container changes, enabling machine retooling from gold to silver processing in minutes.
• No damage to gemstones & excellent polish on setting without rounding.
• Suitable for cast & 3D-printed jewellery.