New automated stream finishing for faster surface finishing

New automated stream finishing for faster surface finishing

A new generation of OTEC Präzisionsfinish stream finishing machines are available in the UK from engineered metal parts surface finishing experts Fintek.

The SF1-Automation with chain loader is typical of the range, designed specifically to boost productivity while producing a repeatable high quality workpiece surface finish. The ability to load and unload, without stopping, ensures the best return on capital investment.

Smoothing, polishing, edge rounding, deburring and removing coating droplets are all tasks at which the SF1 excels. A combination of these is usually performed in a single operation, for example deburr, round and smooth. Roughness values as small as Ra 0.01 µm are possible.

The SF1-Automation chain loader has 64 positions which can change in diameter according to the workpiece or tool to be processed. Tools ranging from 3mm to 32mm in diameter can be finished in a single batch. When the processing cycle is complete the tools are returned to their loading sleeves. Tool change time is just 14.5 seconds.

Cycle times for each tool depend on the complexity of the geometry and standard of finish required, but typically range from 30 to 300 seconds. The SF1 is suitable for both dry and wet finishing and is also fitted with a lifting unit for incoming tools.

OTEC stream finishing units are available in different drum sizes and with media/compounds. UK agents, Fintek, are able to supply everything needed including installation, training and support.

As an ISO9001 and AS9100 accredited company, with over 30 years’ experience working with engineers in aerospace, automotive, medical device and other precision industries, Fintek can advise customers on the best machine for their needs. They also offer a free test part processing service to establish the correct combination of machine, media/compound and cycle time.




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