Flühs has been manufacturing high-quality long turned parts in small to large series since 1926. We have been manufacturing all types of long turned parts for 100 years. In addition to manufacturing long turned parts, we also specialize in short turned parts and diamond turned parts, among other things.
A long turned part has a ratio of at least 3:1 between length and diameter.
Long turned parts are manufactured from various materials, including stainless steel, brass, copper, aluminum, titanium, and plastic.
Long turned parts are manufactured using special CNC long turning machines, which ensure the highest quality regardless of the quantity. If you are interested in our long turned parts, please contact info@fluehs.de or call us on +49 2351 975-0.
On this site, we describe the most important types of long turned parts, their manufacture, and our products in the field of long turned parts.
Long turned parts are turned parts that have a length-to-diameter ratio of at least 3:1 and are manufactured on special long turning machines. Examples of long turned parts include spindles, connecting parts, axles, and valve slides. Long turned parts are manufactured from various materials.
Stainless steel long turned parts are often made from stainless steel with the material number 1.4404. Stainless Steel 1.4404 is a chrome-nickel-molybdenum alloy that features high corrosion resistance and durability. Flühs manufactures high-quality stainless steel long turned parts in series production, such as spindles or shafts.
Brass long turned parts are turned parts made of a copper-zinc alloy, which is characterized by its easy machinability and attractive physical and hygienic properties. Flühs specializes in brass and uses low lead brass alloys that can be used in drinking water fittings.
Copper long turned parts made of copper are turned parts made of pure copper or various alloys, such as brass or bronze, which have excellent electrical and thermal conductivity as well as high durability and are therefore often used in electrical engineering and the sanitary industry.
Aluminum long turned parts are turned parts made of alloys containing aluminum, copper, lead, magnesium, and manganese, which are characterized by their lightness and strength. Flühs mainly uses copper and brass alloys for its products, as their corrosion resistance makes them ideal for sanitary applications.
Titanium long turned parts are turned parts with very high hardness and good hygienic qualities, which are mainly used in medical technology. Flühs does not manufacture titanium turned parts, as our products are mainly used in sanitary and building services applications, where titan is not normally used.
Plastic long turned parts are turned parts that do not corrode due to their low reactivity with air and non-aggressive chemicals and are usually made of engineering plastics or high-performance plastics, such as polyoxymethylene (POM) or polyether ketone (PEEK). Flühs uses long turned parts made of plastic as valve components or sealing bodies in sanitary applications.
Long turned parts are manufactured using special CNC long turning machines by means of longitudinal turning (round turning) and/or face turning.
In general, there are 2 turning processes that are also used for long turned parts: longitudinal turning, also known as round turning, and face turning.
In longitudinal turning, the turning tool moves parallel to the axis of rotation of the workpiece, creating cylindrical shapes, such as shafts or rods. In face turning, the turning tool moves perpendicular to the axis of rotation of the workpiece, creating flat surfaces, such as end faces.
In order to produce precise, high-quality long turned parts, a number of process-specific features must be taken into account during production.
With long turned parts in particular, it is important that the workpiece is clamped securely in the lathe, as otherwise breakage or deformation easily occurs. For long turned parts, it may therefore be advisable to use step-by-step machining, in which only part of the workpiece is fixed in the lathe using clamping devices. The workpiece is then machined in several sections from the front to the rear to prevent deflection or unwanted vibrations.
Particularly in the case of complex long turned parts, it makes sense to adjust or further subdivide the production steps in order to avoid effects such as deformation and unevenness. For example, rough pre-turning may be carried out first so that the workpiece becomes shorter or can be clamped more stably. When set correctly, parameters such as speed and feed rate help to minimize vibrations in the workpiece.
The use of CNC long turning machines makes it possible to guarantee variable quantities while maintaining the highest quality standards. In this way, individual long turned parts can be produced in small, medium, and large series.
We manufacture customized long turned parts in small, medium, and large series in collaboration with the customer.
Our in-house research and development (R&D) department develops customized solutions in close consultation with the customer. Flühs manufactures customized long turned parts based on CAD models provided by the customer. The CAD files form the basis for programming the tools for the automatic lathes.
Through quality controls during production, we ensure the high quality of the long turned parts that we and our customers strive for.
We achieve the necessary precision and consistent quality of our long turned parts through the use of CNC long turning machines. These are specially designed for turned parts with small diameters and greater lengths.
Flühs Drehtechnik was founded in 1926 as a turned parts manufacturer and has specialized in valve and system technology over the years. Accordingly, we have been manufacturing long turned parts for 100 years. With the help of 130 CNC and cam-controlled lathes, we produce approximately 1 million turned parts every day. Long turned parts are included in a large part of our product portfolio in valve technology. When manufacturing customized long turned parts in small, medium, or large series, we attach great importance to close cooperation with the customer throughout all steps of the planning and manufacturing process. Our recipe for premium quality long turned parts remains unchanged: High-quality materials, precise state-of-the-art manufacturing processes and an in-house quality management system based on DIN ISO 9001 and ISO 14001. Over 200 patents are the result of our power to innovate, which has been with us for around a century. Flühs is a recognized training company for technical professions with diverse specializations. We are proud that most apprentices choose to stay with us after completing their training.
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