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Press release Box-ID: 1002880

Thielenhaus Technologies GmbH Schwesterstr. 50 42285 Wuppertal, Germany http://www.thielenhaus.com
Contact Mr Wolfgang D. Riedel
Company logo of Thielenhaus Technologies GmbH
Thielenhaus Technologies GmbH

Innovative combination machining solution

Flexible Superfinishing of Spherical Parts

(PresseBox) ( Wuppertal, )
The compact, high-precision Sphero machine, designed for machining workpieces with spherical forms, has been further developed by Thielenhaus Microfinish into a combination solution capable of handling the entire superfinishing process in just one clamping operation. The world leader has designed an innovative versatile machine that can machine spherical workpieces to the highest standards, in terms of fine dimensional accuracy and surface quality.

The chuck unit is mounted vertically and easily accessible for fast changeover. Thanks to the integrated tool changer with a capacity for up to ten tools, even complex machining processes can be carried out in a single clamping.

The design of the Sphero incorporates the experience of many years of test and production work. Workpieces with diameters of up to 75 mm can be machined. The machine has a small foot print and a modern, compact and ergonomic design. It is used, for example, by medical technology manufacturers to produce hip balls and calottes or in the automotive industry for machining the joint heads of wheel suspension and steering components that require a high level of freedom and movement for the associated assembly units. Metallically-sealing valve balls and seating rings for valves in the chemical industry, through which aggressive or very hot media travel, are able to be machined with a high degree of dimensional and surface accuracy. Another instance is the axial piston pump found in all fields of hydraulics: It has a spherical sliding surface at the end, and the dimensions of this component must be accurate to 1 µm or less in order to guarantee safe operation at great strain – such as in aviation.

This machining concept enables machining of surface topography, spherical roundness, spherical diameter and sealing surfaces. Furthermore, defined contact ratios that fulfil tribological requirements are possible. In just a few installation steps that take only a very short time, the operator can convert the machine from outer machining to inner machining, i.e., from a ball valve to a sealing ring or a socket. Required operator input is reduced to a minimum and errors due to repeated handling and clamping are ruled out, since the workpiece remains in the chuck until it is completely finished. This guarantees a continuously high quality level and a well controlled process.

Since this machining solution allows the implementation of several tool qualities, the machining process can, for example, be broken down into roughening and smoothing, fine finishing and polishing. The tool change takes place in just a few seconds with the added benefit that the workpiece stays in the clamp. Since the process takes place on a self-correcting basis, truing cycles are not required. This means that better end results can be achieved with short cycle times. Thanks to the MicroSens sensor with workpiece contact detection, the machine monitors the set parameters automatically on a continuous basis and makes any necessary adjustments.

More information can be found at: Thielenhaus Technologies GmbH, PO Box 201855, 42218 Wuppertal, Germany, Telephone + 49 (0)2 02 481-0, Fax + 49 (0)2 02 45 04 45, or at www.thielenhaus.com

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Thielenhaus Technologies GmbH

Thielenhaus Microfinish, a division of the German Thielenhaus Technologies GmbH, has been building high-precision, high-productivity machine tools for over 100 years. In the last 70 years, Thielenhaus Microfinish has become the leading manufacturer of extreme-precision machine tools for Microfinish/Superfinish and double-disc grinding applications.

Microfinishing, also known as superfinishing or short-stroke honing, is the ideal machining process for achieving extreme precision surfaces and component geometries, and removing amorphous surface layers in the magnitude of 2 µm. Honing stones, cup wheels and microfinishing tape or film can be used to generate surface roughness or geometrical accuracy within a previously defined window that often spans a few tenths of a micron. Indicated below are a number of parameters which can be optimized using Microfinish:

With facilities in Europe, America and Asia and a worldwide service network, Thielenhaus has adapted itself to the market conditions and to the customer needs all over the world.

Commitment to quality: Thielenhaus machines are employed by leading manufacturers across the world for a good reason – their high reliability, productivity and production quality. Thielenhaus continuously pushes the limits of precision machining, enabling its customers to achieve workpiece qualities that were previously impossible.

All solutions from a single source: Extreme precision is the specialty of Thielenhaus, and over the years the manufacturer has built the world’s largest portfolio of Microfinish solutions, ranging from industrial equipment for large and small manufacturers to just-in-time tool delivery and other services. When it comes to Microfinish Thielenhaus is the one-stop shop.

The flexibility of Thielenhaus is its customer’s advantage: The manufacturer adapts the machine solutions to the customer’s component, loading/unloading preferences, cycle time requirements and other specific needs. The modular design of the machine platforms accommodates even tricky components.

New challenges and innovation are the passion of Thielenhaus: They are proud of their 430+ patents in surface finishing technology as well as of numerous market-leading platforms and pioneering innovations. Thielenhaus constantly seeks to improve the machining concepts, always keeping in mind the challenges of tomorrow.

Customer support all over the world: With customer service locations in six countries and service agreements with a network of agents and distributors, Thielenhaus is able to provide quick service on short notice practically anywhere in the world. The customers also benefit from a 24/7 hotline and Online Direct Service.

Thielenhaus is known as a highly experienced problem solver: Anyone can be a problem solver, but with more than 70 years of developing Microfinish solutions, the Thielenhaus staff have probably seen and solved more Microfinish problems than anyone else in the industry. When it comes to splitting microns, the Thielenhaus in-depth knowledge of the microfinishing process is unsurpassed.

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The publisher indicated in each case is solely responsible for the press releases above, the event or job offer displayed, and the image and sound material used (see company info when clicking on image/message title or company info right column). As a rule, the publisher is also the author of the press releases and the attached image, sound and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.