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STEEC - micromechanics High precision, machining work high precision

France

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STEEC
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France

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Spark erosion involves removing material from a conducting part and eroding it to give it the desired shapes and dimensions by means of electrical discharges. In the wire sparks erosion process an unwinding metal wire, under tension, is immersed in water or in another insulating liquid (dielectric) with the part to be worked. The current transmitted forms an electric arc which gives rise to precise, programmed degradation of a section of the part. The residues created by wearing of the part are removed by the water or dielectric liquid. STEEC carries out both spark erosion and fine wire micro spark erosion operations Wires spark erosion and machining Equipped with the latest wire spark erosion technologies, STEEC is able to carry high precision cutting with wires of standard sizes whose diameter may vary from 0.15 to 0.25 mm in all types of mechanical parts.

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STEEC has been a pioneering company in cutting and laser micro-cutting in France. Since the first YAG industrial laser in France was installed in the premises of the company in 1983. 30 years ago STEEC developed unique know-how and competence in this field which it offers its customers as part of its subcontracting service. The company now has 5 laser cutting machines which enable it to meet a wide range of requirements. These machines, in which the company continually investing, have been custom designed according to STEEC specification in order to comply with the quality and precision standards demanded by the customers. Using its highly efficient innovating machines STEEC carries out very high precision cutting on flat and tubular parts with thickness ranging from 3mm to 2µm !

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This modern machining technology offers a host of advantages over more conventional processes. STEEC makes available to its customers its know-how in micro drilling by spark erosion. The principle of this machining process is the same as for wire spark erosion, except that the tool used for cutting is no longer a wire but an electrode shaped according to the precision machining require. The part and the tool (electrode) are not therefore in contact with each other, in fact it is an electric arc formed between the electrode and the part that will machine the latter. This is also called sparking. The part must be necessarily be conducting to be able to be machined by this method and it is prerequisite for using this method. This absence of contact between the tool and the part makes it possible to machine very hard materials such as titanium for example.

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At its 4 CN machining centres STEEC drills and taps holes of very small dimensions down to diameters of a few tenths of microns. STEEC carries out micro-drilling work on conventional machining centres. STEEC is able to machine parts in small and medium series or units parts that may have several tens of thousands of holes per parts. The company has acquired know-how and expertise recognized by multiple audits by major contractors in this technology. These audits have also led to special prestigious certifications. This technical solution may be applied in all industrial sectors, from aerospace to the medical sector, also including research or the automotive industry.

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STEEC is able to carry out milling and micro-milling operations on complex mechanical parts with increasingly finer dimensions and increasingly tighter tolerances. STEEC carries out micro-drilling operations to manufacture not only parts but also very high precision electrodes. That enable all spark erosion micro-drilling and countersinking operations to be performed. Equipped with a stock of high-tech machines and leading edge IT tools, such as the Solidworks software, STEEC is capable of meeting special requirements and providing innovative solutions for each of its customers. The experience gained in other high precision machining technologies has enabled STEEC to develop innovative milling processes that are well recognized in the industrial environment.

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Since it was founded in 1979 STEEC offers, has been offering the service of machining parts for moulds and dies for all types of industries based on wire spark erosion cutting in particular. Because of this STEEC is recognized for its expertise in this field of activity both in France and in Europe as a whole.

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STEEC is a first class supplier to major contractor in the aerospace industry in France and in export such as Thales Alenia Space, Airbus Defense and Space etc.… The company manufacturers parts which are installed directly on satellites in particular. This field of activity makes use of all the technical know-how of STEEC, whether in spark erosion, laser cutting or micro-machining on centres… The company is regularly audited by the quality services of its customers in the aerospace sector. Moreover, these audits have given rise to certifications and homologations such as that of subcontractor for Major Thales Alenia Space.

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Thanks to its very-high precision maser micro-cutting STEEC is able to provide high quality services that can be applied in watchmaking. In fact this very high precision industry, which is subject to very stringent demands requiring cutting precision down to one or two microns… The company stands out from its competitor through its high degree of responsiveness in the field of micro-machining. Working with STEEC in laser micro-cutting or in micro spark erosion guarantees that you will receive you parts in time with complete peace of mind.

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The nuclear sector is one which requires extreme precision as well as the ultimate discipline. This also includes machining of course. STEEC provides the players in this sector high-tech subcontracting solutions in micro-drilling or conventional micro-machining and laser micro-cutting. Major French and European companies in the nuclear sector put their trust in STEEC for the manufacture of micromechanical parts.

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STEEC, an eligible company approved for research tax credit, is partner to numerous prestigious research centres such as the CNRS (National Scientific Research Council) and the CEA. The company also collaborates very regularly with university research centres in France and abroad. STEEC assists the researchers in their development by providing them with the possibility of applying leading edge technologies in micro-machining, such as laser micro-cutting or micro-drilling by spark erosion.