OTEC Machines

Engineered in Germany, OTEC machines deliver flawless, mirror-like finishes with unmatched speed and consistency. They automate tedious bench labour and protect delicate jewellery geometries across every batch.

OTEC ECO-MAXI

The modular concept of the Eco-Maxi makes it ideal for small series production.

Their high-tech design makes these machines extremely economical, with savings being as much as 60 % compared to the cost of conventional finishing.

To cater for specific applications, the Eco-Maxi is available in the versions "magnetic", "wet" and "dry" and as a flexible all-rounder, the "basic" model.

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ECO-MAXI "Basic" Series

The ECO-Maxi basic drive unit is designed to get the best out of all three processes. Depending on the container chosen, a single drive unit can be used for magnetic polishing, wet grinding or dry polishing. This is done by simply attaching the appropriate interchangeable container. To cater for specific applications, the ECO-Maxi "basic" is available either with three containers "wet", "dry" and "magnetic" or only with the container for magnetic polishing.

Wet grinding obtains perfect results after just 3-4 hours. The use of a special "soft" abrasive medium ensures that the surface of the workpiece does not become hardened – reliably preventing the surface from becoming pitted. The results are the complete removal of any traces of sanding/ grinding and casting and clean, bright workpiece surfaces.

During dry polishing, very fine polishing granulates made from walnut shell ensure a perfect surface finish. Material removal is in the micro range. No damage to diamonds, zirconia or pearls in their settings. Processing time for initial polishing approx. 2-3 hours, for final polishing approx. 30 minutes, giving extremely smooth surfaces and a brilliant shine comparable to that achieved by manual polishing.

Standard Equipment

Speed control via frequency inverter
Bayonet fitting for container
LCD indicating speed and processing time
Automatic container detection
6 l process container for wet finishing including dosing pump and waster water tank
6 l process container for dry finishing
6 l process container for magnetic polishing incl. 200 g rounded stainless steel pins M 4/7 and 1 l compound SC 3

ECO-MAXI "Magnetic" Series

This machine type is designed exclusively for magnetic polishing applications. This is the preparatory stage for wet finishing and replaces the traditional electrolytic polishing bath.

Oxide discolorations and investment material residues are completely removed after approx. 15 - 30 minutes and even inaccessible areas of intricate workpieces are polished to a high shine.

Standard Equipment

Speed control via frequency inverter
LCD indicating speed and process time
up to 1,900 rpm
Automatic change in the direction of rotation
6 l process container
200 g rounded stainless steel pins M 4/7
1 l compound SC 3

Accessories

Interchangeable containers
Magnetic polishing: 6 l interchangeable container with magnetic polishing medium
Dry polishing: 6 l interchangeable container for dry polishing
Wet grinding: 6 l interchangeable container for wet finishing (5.5 kg)

Processing media sets

Dry finishing / Wet finishing

Miscellaneous
Manual screen: A variety of screen sizes are available
Lid: for water storage jar (only availab for the ECO-Maxi-I "wet")
Trolley: for storage containers (only available for the ECO-Maxi-I "wet")
Ring holder: for heavy rings (>6 g). Prevents the rings from colliding with one another.
Emergency cut-out: when water supply is depleted (only available for ECO-Maxi-I "wet")