Motion

In the service of spindles

April 2011

Real strategic elements of machine tools, spindles are very high precision instruments that are highly solicited. The overhaul of these is a classic and indispensable operation which can become a real puzzle for businesses. To be able to rely on a sharp specialist able to provide a "factory quality"service is therefore a dream comes true with Precise France SA..

We cannot become an overhaul specialist for spindles out of the blue in a wink. The levels of precision requested, particularly in terms of machining, assembly and balancing are very high and good know-how in this matter is very rare. Precise France SA, manufacturer of spindles and certified partner of E. Fischer AG, the Switzerland spindles manufacturer, overhauls and repairs spindles of diameter from 25 to 120 mm since more than 30 years and spindles of diameter from 120 to 350 for more than 10 years.

Not any spindle Precise France SA offers its overhauling service for all types of spindles, but the company’s specialty is the technology spindles. M. Auffret, technical director says: "Our business is at micron scale and balancing to the fraction of a gram, the standard spindles rotating at a few thousands of rpm are clearly not our target". However the company specializes on high speeds spindles. Precise France overhauls real pieces of art, as for example this spindle rotating at 120’000 rpm without any false round on mechanical bearings. Seeing such performance, you understand quickly why overhauling should be entrusted to specialists.

European service centre To become a first-class European service centre, Precise France can rely on means of production and highly qualified staff but also on a test laboratory, of a very high level of stock and control means off standard. More than one and a half million Euros of spare parts are immediately available on-site, and in addition, a weekly shuttle connects Precise France SA to Fischer in Switzerland where the stock is still much more important. Mr. Chambet, CEO says: "Today, with the recovery ahead, the stock is mandatory. Delivery on some bearings are of the order of several months to a year depending on the types". The normal deadline for a standard overhaul today reaches 6 to 8 weeks, although in some cases they may be much shorter.

To secure the machines pool To the question of why working with Precise France SA to overhaul spindles, M. Auffret explains that some companies want to centralize this important operation with a specialist. In some cases, it is also the specialist which provides a reserve spindle to secure production. Precise France SA already provides this service to many customers (note that it has been created to their demands). The second reason is Precise France SA’s reactivity and know how. He gives us an example: "Our customer, a large European subcontractor for Aeronautics, had unfortunately damaged the spindle of a strategic machine. No problem, a safety spindle was available in the company. But bad luck continued and a collision made it unusable. Our customers contacted us and we were able to provide a replacement spindle in three days while it asked 50 hours of assembly, 12 hours of test and 6 hours of purge".

Are you looking for a proven solution for the overhaul of your spindles? Precise France SA could be your new partner.

Precise France SA 1, Avenue of high speed machining 74250 Peillonnex Tel: + 33 4 50 36 90 15 Fax: + 33 4 50 36 82 53 www.precise.fr [email protected]

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