Finishing, cleaning and refining to the highest standard.

Post-Processing

We employ highly skilled CAD designers in our Sydney office, our teams speciality is focused solely in the jewellery industry, from off the shelf designs to complete be-spoke custom one off designs.

Once castings are completed and flasks are initially divested, we perform multi-level stages of post-processing including micro-vapour honing, flush cutting feeder sprues and flow gate removal to deliver your items ready for the bench as part of our standard post-processing services. This quality-first approach saves time, reduces billable gold, reduces gold loss and ensures superior results.

Advanced Post-Processing Powered by OTEC GmbH

Best for: Customers who need excellent time savings, reduced gold loss behind the bench & an excellent polish outside, ready for the setter to polish inside the setting areas.

Reduce Repetitive Work. Get Closer to Stone Setting.

Our Advanced Post-Processing service is designed for jewellers and workshops who want to significantly reduce the amount of filing, sanding and polishing traditionally performed behind the bench.

We combine manual profiling and surface preparation with a validated sequence of OTEC MAG-30 and OTEC CF 3x18 finishing processes. For suitable designs and applications, this can reduce pre-setting bench labour by up to 90%.

The result is a casting with a highly refined and polished external surface, allowing the bench jeweller to focus on the work that actually requires their expertise.

Typical Advanced Post-Processing Workflow Includes

Standard Post-Processing including

All steps from our Standard Post-Processing are performed, these include: Acid bathing, vapour honing, flow gate removal, sprue flush cut, magnetic pin finishing, ultra-sonic & ultra-sound drying and quality control.

Manual Profiling

Our jewellers carefully profile sprues and flow gate contact points with Swiss made files, they take their time to ensure all contact points are perfectly profiled.

Printing-Line Refinement

Visible printing lines are removed from accessible external surfaces (excluding inside stone galleries). Our jewellers purposely do not touch inside setting work to allow the setters to do the final refinement & polish how they prefer.

OTEC Fine Burnishing

Castings are placed in OTEC's MAG-30 magnetic pin finishing machine to provide a very fine burnish, refine the surface further and reach difficult areas, we also use OTEC's brightening compound which helps provide a brighter finish & higher shine to the surface for the further stages.

OTEC CF 3x18 Dual Stage Wet Grinding

Castings go into our OTEC CF 3x18 Disc Finishing Machine, in this step, we perform 2 stages of wet grinding, the first stage being a wet ceramic grind to provide the bulk of the cut evenly, the second stage is a wet hybrid plastic chip that refines the casting surface.

OTEC CF 3x18 Dual Stage Dry Polishing

Finally, castings go into the final OTEC tub for a final 2 stages of dry polishing, the first stage is a medium grit dry walnut media that polishes & brightens the castings, the second stage being a very fine walnut media that provides the final level of high shine to perfection. Once completed, castings go through final cleaning, including ultra-sonic, steaming & ultra-sound drying, final QC including: XRF scanning, weighing, labelling & invoicing.

The Typical Advanced Post-Processing Result

Hygrade Casting

Hygrade Casting → Regular Post-Processing → Advanced Post-Processing

Client

Client → Setting Preparation → Stone Setting → Final Once Over Polish

Instead of spending hours performing repetitive finishing work, your bench jeweller can focus on the areas where their skill adds the most value.