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Fintek have been solving metal small parts finishing problems for more than 35 years. Machine deburring and super fine surface finishing reduces costs for engineers in aerospace, autosport, toolmaking, medical device and other demanding precision industries.
Holcombe Brook
United Kingdom
T. +44 (0)1706 825819
F. +44 (0)1706 825748

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1) Rounding of cutting edge before and after edge radiusing

5 image available

The latest drag and stream finishing machines from OTEC Präzisionsfinish are enabling UK company Fintek to provide tool users with a superior service that improves the performance and extends the life of cutting tools. Tool condition also directly affects the surface finish of a machined area and the probability of incurring more costs in further processing to meet the required end product quality.

From multiple axis CNC milling machines to simple drilling and lathing centres, quality and productivity of these machines is highly dependent on the sharpness, reliability and longevity of cutting tools. Replacing worn tools with new is costly and tempts users to run longer with a less than optimum tool, putting quality and productivity at risk. The alternative of resetting the cutting machine to allow for tool defects is risky.

Managing director Jonathan Dean explains, “Worn tools – whether HSS, Carbide or coated can all be re-finished to the original manufacturer’s standard or sometimes even better. To achieve this takes more than re-grinding alone as this often leaves a sharp and brittle cutting edge which is easily chipped. The Fintek surface finishing service not only grinds but also edge hones and smooths in one process. Edge honing puts a perfect radius on the cutting point, strengthening the edge to retain sharpness longer without chipping. Tool life is often more than tripled before needing to be re-finished.”

In the same cycle as precisely radiusing the edges of cutting tools to prevent chipping, the unevenness in the peaks on the surfaces in the chip flutes is removed. This reduces friction, wear and efficiently allows debris from the cutting point to be cleared – especially important for a difficult materials such as aluminium and composites. Again, in the same cycle, polishing takes surface smoothness even further. This precision process restores the original cutting geometries for the best tool performance.

For UK tool manufacturers, Fintek provide a full range of OTEC DF and SF machines for inline production. From fully automated to robotised systems, these ensure reliable, repeatable and cost effective cutting tool finishing. All are able to precisely edge radius, deburr, smooth and polish in a single cycle that can be measure in minutes and sometimes seconds.

Fintek are happy to advise on improve cutting tool life and performance and offer a free trial part service: Tel 01706 82 5819.

More Information
Jonathan Dean, Managing Director Tel. +44 (0)1706 82 5819
Fintek, Halter Inn Works, Holcombe Brook, Bury, Lancashire, BL0 9SA
Email: Web:


Press release issued: December 1, 2017

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