Surface finishing with ‘stream’ technology

Posted on 04 Sep 2017 and read 600 times
Surface finishing with ‘stream’ technologyA new generation of stream-type finishing machines built by OTEC Präzisionsfinish is now available in the UK from Bury-based Fintek (www.fintek.co.uk).

The SF1-Automation with chain loader is typical of the range, offering the ability to load and unload without stopping the machine to ensure a good return on capital investment.

In stream finishing, components are clamped in a holder and lowered into a rotating container filled with grinding or polishing media.

The finishing effect is generated by the media flowing around the parts, as well as independent rotation of the components. The process offers very short finishing times.

Smoothing, polishing, edge rounding, deburring and removing coating droplets are all tasks at which the OTEC SF1 is said to excel. A combination of these is usually performed in a single operation, producing surface finish values as low as Ra 0.01µm.

The SF1-Automation chain loader has 64 positions which can change in diameter according to the workpiece or tool to be processed. Parts ranging from 3 to 32mm in diameter can be finished in a single batch.

Cycle times depend on the complexity of the geometry and the standard of finish required, but typically range from 30 to 300sec. The SF1 is suitable for both dry and wet finishing.

OTEC stream finishing units are available in different drum sizes and with different media/ compounds. Fintek can supply all supporting services, including installation, training and support.

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