added competence : Systematically direct INA Drives & Mechatronics has system solutions for turntables and linear axes CURRENT NEWS EMO 2005 Review

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1 A Schaeffler Group customer journal for the production machinery industry Issue CURRENT NEWS : Systematically direct INA Drives & Mechatronics has system solutions for turntables and linear axes EMO 2005 Review Advance in technology for the customers page 2 Rolling bearing forum for machine tools Record numbers attend the Technical Symposia page 4 Software-Innovation BEARINX -online spindle calculation page 5 Company debut The machine manufacturer Berthold Hermle AG page 5 Clear view into the universe YRTM-Supporting the largest telescope SALT page 6 Finely tuned, coordinated system: Directly driven turntable with INA YRTSM bearings with integrated measuring system With 130 employees in Suhl, INA Drives & Mechatronics GmbH & Co. ohg (IDAM) is the specialist for direct drive technology in the Schaeffler production machin ery division. IDAM s product portfolio includes, in addition to linear and rotary AC synchronous motors and reluctance motors in a wide range of sizes and performance capabilities, all electronic modules required for their operation, such as amplifiers, modulators, and compact control units. Coordination and fine tuning ensure development and success For the clients of Schaeffler KG, the advantages of a partnership with IDAM are not limited to the latter s particularly well-designed and mature range of products. Rather, an enormous potential for the development of production machinery arises from the solid integration of IDAM within the eponymous INA- FAG branch. The application expertise of the leading rolling bearing manufacturer coupled with the cutting-edge of IDAM results in synergies and development trends which give machine manufacturers in the market a considerable advantage. External rotor (ER) is a hit In mechanical engineering, slotted high-torque synchronous motors in internal rotor (IR) and external rotor (ER) versions deliver an impressive performance with efficient use of energy, maximum power density, high acceleration, and high end speeds. As they operate without contact, friction and wear are irrelevant. The external rotor direct drive solutions produced by IDAM and the turntable bearings by INA make an excellent combination. The synchronous external rotors are thus increasingly found as coordinated comprehensive solutions in direct-drive turntables or in pivotal axes of machine tools. The optimized combination of turntable bearings, measuring system and direct drive is a stand-alone feature of INA-FAG branch management production machinery and a good example of the added philosophy. Linear drives with the IDAM L2D motor series The L2D motors offer new solution approaches in direct drive technology for linear motion. The force of attraction between the primary and secondary part is reduced to a value approaching zero. This is the result of a new design. The iron-core linear AC synchronous motor has two symmetrically opposed secondary parts. A reduced proportion of iron in the moving primary part additionally reduces the mass in this three-phase motor. The L2D motor series is predestined for dynamic applications which require high performance. The L1 series and the yogurt cup In contrast, the motors of the L1 series are excellently suited for small and medium positioning units. These slotted linear synchronous motors are eminently suitable for handling systems and movements of smaller weight. They meet the highest accuracy and dynamic standards. With their compact design, they were practically designed for Adolf Illig Maschinenbau GmbH & Co. KG in Heilbronn, which implemented its new FSL 70 mold, filling and seaming system. Four linear axes on this machine are equipped with IDAM L1-based direct drives. For the thermoforming of yogurt packaging, there are now five pages of decoration options (including the addition of photo-realistic images and writing on the underside of the yogurt cup) which were previously not available in this quality and price class. Perhaps you ve acquired an appetite for Schaeffler KG direct drive technology? It s a wholesome diet for machine tools!

2 Issue Page 2 editorial Those who can look beyond the quality of individual components and sub-systems become genuine solution partners. INA, FAG and IDAM think in terms of entire systems when it comes to machine tools. The turntable, main spindle, linear axes and (direct) drive subsystems are always networked in conceptual and concrete terms in comprehensive, precisely coordinated, application-specific solutions. Yet the bearing units themselves are already small system solutions with their numerous integrated functions such as sealing, flange, measuring system, coating, etc. This approach to system solutions is the core of our branch philosophy of added. We demonstrated how our approach benefits you at EMO 2005 in Hannover. In this issue, we present several highlights from our branch, but also discuss several broader themes which continue to be relevant in the world of machine tools. I wish you the pleasure of enjoyable discovery in your reading! Sincerely yours, Helmut Bode EMO 2005 Advance in technology for the customers Thermally stable rotary axis systems development project Directly driven rotary axes permit significantly greater dynamics with simultaneously increased limit speeds. A direct drive technology ready for serial production, combined with new bearing technologies, significantly Floating bearing solution for the main spindle Major system solution on a compact scale Complete spring pre-loaded modular assemblies now provide a convenient structural solution for secure control of the floating bearing section of main spindles. They unite the bearing arrangement, sliding socket and springs in a compact system ready for installation. This reduces the space required and eliminates the need for surrounding components such as a restraining cover and fastening screws. Risky, time-consuming processing and assembly procedures are eliminated. At the same time, the interface reduction optimizes the heat transfer between the outer ring and the housing, and increases the precision of the overall system. The preloading and the rigidity at the operating point can be individually adjusted by omitting supplied springs and/or reduction of the spring deflection area. The bore diameter and exterior diameter of the assemblies correspond to the dimensions and standard components of the spindle bearing series; only the outer ring is double the standard width. The circumferential surface of the outer ring is superfinely ground and coated with thin-film chrome plating. In addition to the sealed standard version, FAG offers a range of options which can be adapted to specific application conditions, such as open versions, DLR versions for oil-air lubrication, as well as additional options such as distortion protection, disassembly aids, and adaptation of the outer ring geometry. expands the range of uses for rotary axes. Goals such as the combination of milling and drilling with additional rotary machining are increasingly within reach. Still, the technological advance towards combined machining has its price: high thermal dissipation losses. Modeling of thermal factors is required, particularly for axis systems that rotate extremely fast. Extensive system knowledge is the key to success in such cases, as the system performance is not determined solely Director of Branch Management Production machinery Schaeffler KG INA FAG Tradeshow booth at EMO 2005 by components such as the drive, bearings, cooling or peripherals (e.g. seals). Just as important are the connecting parts as well as knowledge of the complex mechanical and thermal interaction of all of the components in the assembly. An internal pre-development project of the Schaeffler Group Industry is currently working out the details of engineering highly dynamic rotary axes. Hydrostatic linear guidance in the standard installation space as per DIN 645 Roller and hydrostatic guides in the same machine design A hydrostatic bearing arrangement has the best shock-absorbing properties, which requires a larger installation space, more assembly work and thus higher costs. In linear equipment, it is often used as a separate structure in the form of a wrap-around guide. It is precisely the differing installation space requirements for profile and hydrostatic guide systems that confront mechanical engineers with almost insurmountable hurdles when trying to incorporate both types of guide systems in the design solution. But this would be especially practical for production machines! It would then be possible with the same machine design to use monorail or hydrostatic guide systems, depending on the customer s requirements, without changing the structure of the machine. This motivated INA linear technology experts and the Werkzeugmaschinenlabor der RWTH Aachen (Machine Tool Laboratory of RWTH Aachen University) to carry out a joint study of a hydrostatic guide system in a standard DIN 645 installation space for a monorail guide system. The prototypes have load-bearing capabilities that correspond to the load applications for a monorail guide system. In the study, the pocket geometry and the hydraulic controls were adapted so that even the static rigidity of a monorail guide system is achieved in the direction of pressure. Further features include, for example, complete sealing with oil recirculation as well as integrated regulator and electricity control valves. In the future, this solution will enable engineers to used both roller as well as hydrostatic guide elements in the same machine design, taking into account the geometric connection dimensions.

3 Issue Page High precision bearings for Double row axial contact ball bearings Bearings for Bearings for combined loads for screw drives screw drives screw drives Axial Radial Bearing Series ZKLN..-DAC Series BSB..-SU Axial Angular Contact Ball Bearing integrated : Application Specific Tandem Sets for Main Spindles Bearing Solutions for Machine Tools FAG SpiCoM The Spindle Condition Monitoring System Floating Bearing Solutions for Machine Tool Spindles Low Temperature The New Spindle Bearing Generation BEARINX -online Spindle Calculation Please send me the following product information at no charge: x Bearing Solutions for Machine Tools 1 Item No /PKW US-D x High precision bearings for combined loads 2 x Double row axial contact ball bearings for screw drives 3 x Bearings for screw drives 4 x Bearings for screw drives (Fitting and maintenance manual) 5 Item No /TPI 120 GB-D Item No /TPI 121 GB-D Item No /TPI 123GB-D Item No /TPI 100GB-D x Application Specific Tandem Sets for Main Spindles 6 x SpiCoM The Spindle Condition Monitoring System 7 x Floating Bearing Solutions for Machine Tool Spindles 8 x Low Temperature The New Spindle Bearing Generation 9 Item No. AC EA Item No. AC EA Item No. AC EA Item No. AC EA Per Telefax to +49 (0) 9132 / x BEARINX -online Spindle Calculation : Item No /PSB US-D x Thermally Stable Rotary Axes Item No /TSR US-D x Super Precision Bearings for Main Spindles Item No. AC / 6 EA x Bearing Solutions for Productronics Item No /PKP GB-D x BEARINX -online Item No /PSB US-D INA-Customer FAG-Customer INA/FAG-Customer Distributor Company/Representative Street Zip Code Telephone/Fax Please send me the print version of the selected items instead of sending the.pdf version to my address. Die Schaeffler KG on location in Bilbao and Paris March 6 11, 2006 March 27 31, 2006 Hall 4, Stand B49 C50 Bilbao Hall 5a, Stand C 021 Paris Nord Villepinte You ll find us with our new bearing solutions for production machines at these upcoming trade shows:

4 Issue Page 4 Record numbers attend the Technical Symposia in Schweinfurt The rolling bearing forum for machine tools is a hot tip internationally as well Within just a few days of the announcement by the Production Machinery Division of Schaeffler Group Industrial that three Technical Symposia were to be held in Schweinfurt, the conferences were completely booked. Under the title Added for machine tools Systematically finding the right solutions, sophisticated workshops, high-caliber specialist presentations, and lots of opportunities for personal and professional exchanges awaited the participants. The leitmotif of the event was provided by the system solution approach known as added, which describes how INA, FAG and IDAM have become a strong high-performance network particularly for machine tools, whose system-oriented thinking has made these technological leaders among component suppliers for bearing systems into development partners for the sector. After an introductory presentation by the branch manager Helmut Bode on the latest developments in the branch and current motor-driven spindles, Gabriele Laugisch (spindle bearing application technology) spoke about the realistic recording of process behavior. Gerald Nonnast (machine tool application technology) presented relevant methods of calculation for feed axes and turntables. The topic of linear axis bearing systems was presented for the first time at a technical conference. Peter Lutz (director of roller monorail guidance systems technology) used examples of applications to illustrate the future requirements for monorail guidance systems. Dr. Martin Voll, director of spindle bearing application technology, then spoke about The significance of load groups and collective loads. After that, Juergen Weyh, chairman of the board of the newly founded INA Drives & Mechatronics GmbH & Co. KG, (IDAM), took a look at high-speed and high-torque applications of rotary direct drives and the synchronization behavior in the linear section of the machine tool. Horst Masuch, director of spindle bearing development, focused on the new pre- Laboratory Lecture from Wilhelm Conrad Röntgen are continued on a biannual basis with presentations on all aspects of high-precision bearing systems in machine tools. Due to the enormous demand, each conference is presented three times consecutively. In the course of their 10-year history, the Technical Symposia have developed into an important forum for machine tool and spindle manufacturers, their customers, engineering firms and representatives from academia. In addition to clients from Switzerland and Austria, several German-speaking representatives of leading eastern European companies took part in the conferences for the first time in The Technical Symposium in Italy has become a tradition. The fifth event of this kind took place in Parma in May This was also the first time that INA, FAG and IDAM participated jointly. More customers than ever before attended the workshops and presentations on turntable bearing systems with integrated direct drive technology, bearing arrangements for feed axes, main spindle bearing solutions and linear axis bearing systems in machine tools. Branch customers are also supported on location with Technical Symposia in England, France, Switzerland, the United States, and elsewhere. High-Precision Bearings Lexicon I The running accuracy Main Entrance to FAG in Schweinfurt market data, Dr. Christian Brecher, the chairman of the Department of Machine Tools at the Werkzeugmaschinenlabor der RWTH Aachen (Machine Tool Laboratory of RWTH Aachen University), spoke about the trends in machine tool engineering. He focused on the importance and development of virtual prototypes, sensor and diagnostic systems and active damping systems. This was followed by the presentation on Rolling bearing technology in the design of highly dynamic turntables by Juergen Hilbinger, the branch segment manager for machine tools and printing machines. He spoke in depth about the complex mechanical and thermal interaction of all assembly components. Two presentations were dedicated to the simulation of bearing systems in machine tools. With regard to bearing systems for Technical Symposium in Italy spring-loaded locating bearing units and the low-temperature spindle bearings with the TX cage design. The final presentation was made by Joerg-Oliver Hestermann from machine tool application technology, who focused on the benefits of bearings adapted specifically to the individual applications in a speech entitled Optimized feed spindle bearing systems. Hallowed lecture halls: In the evening the participants enjoyed an exciting presentation in the lecture hall and the original laboratory in which W. C. Röntgen discovered the X-ray in The Technical Symposia were initiated in 1996 by the former FAG Aircraft/Super Precision Spindle Bearings GmbH, which now forms the spindle bearing product line as part of the Production Machinery Division. There, the Technical Symposia Der Radial runout is a significant accuracy characteristic of a spindle, to which a bearing makes a large contribution. The bottom line value of the bearing lies in the dynamic imbalance of the turning ring, defined according to the DIN ISO collaboratively constructed bearing. Here again several factors work together, most notable the fluctuation in Shoe guidance and magnetic drive Shoe guidance and friction drive (Mechanical contact pressure system, driven or revolving) The shoe-grinding process minimizes fluctuations in the wall thickness of the bearing rings. wall thickness between the inner ring raceway and the inner diameter. The smallest fluctuation tolerance will get in the way of the suction. Here again the inner ring is led on two sliding shoes by a reference surface. Raceway and inner diameter are ground accordingly. The ideal point will be put to a spindle assessment of the suction. The diameter equality of the rolling elements has a significant influence. The smaller the allowed discrepancy tolerance, the truer the bearing will run and the more stable the shaft will be kept. With a spindle bearing with 70mm bore nominal dimension the DIN Value (Kia) of the runout accuracy P2 lies, for example, with 2.5 µm. FAG main spindle bearings have the accuracy class P4S, which corresponds to the runout accuracy of the P2 class. In practice they achieve the runout accuracy values of even 1 µm, under which even the Unreproducible Impact lies.

5 Issue Page 5 Software innovation: BEARINX -online spindle calculation Computational Program Revamped and Expanded With BEARINX -online, Schaeffler KG has created one of the leading programs for performing rolling bearing calculations. This facilitates the detailed analysis of rolling bearing applications from individual bearings to complex shaft systems. While the FAG expertise in the calculation of rolling bearings has been successively integrated over the past several years, the current version of the software has been significantly upgraded with a special module for spindle calculation. The functionality of BEARINX with regard to the influences of centrifugal force on load distribution and running behavior of the rolling elements in ball bearings has been expanded. The program includes many other useful components which enable users to select the appropriate bearing solution quickly and safely. Flexural Mode of a Spindle An overview of BEARINX -online spindle calculation BEARINX -online Spindle calculation Order Application Form by Fax at Die BEARNIX -online Spindle Calculation Recommendations for installation fittings depending on the specified speed Calculation of the design parameters for contact pressure and kinematics in the bearing Cinematic bearing frequencies for vibration analyses Calculation of the bearing rigidity at the operating point taking all relevant influences into account Graphical representation of shaft reactions (shaft deflection and shaft inclination) Critical speeds and graphical representation of the features Rigid and elastic adjustment of the bearing taking into account the fit, temperature and speed Calculation of the fatigue life in accordance with DIN ISO 281, Supplement 4 Everything revolves around milling and outstanding results Spotlight on the Machine-Tool Company Berthold Hermle AG The machine manufacturer Berthold Hermle AG is one of the leading international producers of milling machines and machining centers. More than 17,000 Hermle universal milling machines and machining centers are currently in use worldwide. They facilitate efficient machining of tools, molds and serial parts. A dense sales and service network ensures that partners are available on location in all major countries around the globe. Hermle machines are manufactured in Gosheim in southwestern Germany an area that has been home to precision engineering and mechanical engineering for generations. The expertise of the company results from its dynamic contacts with research institutes and laboratories as well as the precisely balanced production depth, which is applied only in those locations where it makes sense. All components that are essential to the accuracy and durability of a machine are developed and manufactured in our own plants. With their high quality and extraordinary precision, Hermle universal milling machines and machining centers are used in innumerable production areas, especially in demanding sectors such as medical technology, the optical industry, aviation, the automotive industry, racing, and their suppliers. The renowned Hermle precision, combined with process consulting and project management, has made the company the most important partner for machinery in nearly all key branches from large, complex assemblies to the smallest high-tech components. Hermle offers an impressive range of products: Universal milling machine tools The U product line is found everywhere where flexibility, accuracy and universality are required. This proven machine concept, which utilizes the latest technology, is ideal for tool, mold and die design and construction as well as the production of individual parts and small production runs. The models U 740 and U 1130 have been technically adapted to today s market requirements by integrating motor spindle technology, automation technology, modular design and an extensive range of options. Vertical machining centers The C series, which includes the C 600 and C 1200 models, is ideal for tool, mold and die construction as well as for use in production. The C 30 and C 40 models represent a new, highly dynamic generation of machines. They have a modular design in which all packages designed for economic machining are integrated. The performance data speaks for itself: Cast mineral machine base body, pick-up tool changer, spindle speeds between 10,000 and 40,000 rpms, itnc 530 or S 840 D controls, automation packages, tool storage units and extensive option packages. All models in the C series are available in 3, 4 or 5-axis versions. Automation solutions and machines from a single source With its machines, Hermle offers individual customer solutions from a single source, from simple special assemblies to flexible production units. The whollyowned subsidiary Hermle-Leibinger Systemtechnik develops and manufactures automation solutions and special assemblies as well as a wide range of handling systems, tool magazine extensions, pallet changing systems with the Hermle pallet tensioning system, pallet storage as well as turnkey projects especially for Hermle products. Renowned Hermle precision CONTINUED ON PAGE 6

6 Issue Page 6 CONTINUED FROM PAGE 5 Fair cooperation among development partners INA and FAG have supported Maschinenfabrik Berthold Hermle AG as committed system partners for many years, particularly in the integration of linear guidance systems and rotating bearings for feed axles (ZKLF) and cylindrical axles (YRT). Gaze into the universe with INA rotary table bearings SALT The largest optical telescope with INA rotary table bearings The Southern African Large Telescope (SALT) is located in the Karoo desert in South Africa and will give a glimpse into the history of the universe. It will collect light that was emitted by stars and galaxies some 13.5 million years ago. The telescope is a billion times more powerful than the human eye. It can in principle detect the light of a burning candle on the moon explains Andreas Pieper, INA s Head of Technical Market Development for Asia, South Africa and Australia. The INA Rotary Table Bearing with Integrated Track Alignment System YRTM 395 supports the SALT Reflection Unit allowing Ultimate Precision Milling The reflector unit measures 11 meters in diameter and consists of 91 hexagonal, aluminium coated mirrors that can be individually aligned. The entire reflector unit is supported by air bearings and guided by an INA rotary table bearing YRTM 395. With a restricted axial and radial runout of 3 µm and an encoder measurement accuracy of +/- 3 angular seconds it precisely fulfils the required accuracy. The bundled signal is received by the four and a half ton tracker, which is supported by six INA telescopic struts specially designed for SALT with the appropriate INA cardanic joints. The tracker can be precisely positioned to 6 µm. A support roller combination including 58 INA stud type track rollers of type NUKR 40 guides the rotatable cupola. (suggestion: dome) The fair cooperation and technology transfer for the Hermle products makes Schaeffler KG an important development partner for this leading machine tool manufacturer. The Lagoon Nebula as it was 13.5 Million Years ago The SALT Telescope in South Africa How new ideas develop from bringing together different elements added creativity techniques for engineers, part 13 Management personnel, teams or individual employees of a company frequently ask themselves how intuition, good ideas or sharp analytical thinking about problems and solutions can best be developed. One way of developing new idea generation processes is to crossassociate lots of individual thoughts, rather like crossbreeding roses. New types are created and further developed, until the perfect solution or a new idea is born. Synectics is a systematic brainstorming process collecting different, apparently irrelevant elements. Synectics is one of the most important creative techniques used today. The method was developed in 1944 by the American W. J. Gordon, who questioned artists and scientists about the secrets of their creativity. The objective of synectics is to distance oneself from a problem through analogies. The ideal number of participants for this creativity technique is eight to twelve persons per group. It is important that the participants come from different departments. 1. Describe the problem to the group Then encourage your colleagues to ask questions in order to look at the problem from all angles. 2. Draw up spontaneous suggestions for solutions Ask the participants which solutions occur to them off the top of their heads. Gordon noted that the first phase of this process generally does not produce the anticipated bright ideas. However, those who do not mention their initial spontaneous ideas may possibly inhibit further creativity. In practice, this round has often produced interesting approaches to solutions which can be used later. 3. Re-formulate the original problem Provide a new definition of the problem. 4. Create direct analogies (e.g. drawn from nature) Try to transform the problem completely. Ask the participants what parallels or direct analogies occur to them. As a rule, analogies drawn from nature are very helpful for technical problems. 5. Create personal analogies Ask the participants to imagine themselves in one of the selected analogies (for example, as a plant, an animal, etc.), and to describe how they feel. 6. Create symbolic analogies Ask the participants to describe an analogy as briefly and clearly as possible. This step leads to abstraction. 7. Create direct analogies (e.g. drawn from technology) Ask the participants for examples drawn from nature or from technology which will match the statements from the previous phase of the process. With the analogies generated at this point, the transformation of the problem from its starting point will reach its culmination. 8. Describe selected analogies Ask the participants to describe the selected analogies as simply but in as much detail as possible. 9. Re-create the connection to the original problem Ask the participants to what extent the descriptions are useful for the problem. Can solution approaches be generated from the selected analogies? 10. Write down the solution approaches developed and evaluate them The idea behind synectics is to create receptivity for ideas from other areas by getting people to think outside the box. How do others deal with analogous ideas? How can I find a solution to a similar problem? Open your mind to other viewpoints, and you ll be amazed at the new ideas that are developed.

7 Issue Page 7 Time for a new coat? INA special coatings for application optimization Standard components frequently do not meet the requirements for long-term, maintenance-free use under extreme operating conditions. Malfunctions due to corrosion or wear make life difficult for machine operators. Thus the leading linear technology manufacturer INA Schaeffler KG, Linear Technology Division, Homburg/Saar, Germany, has developed an intelligent modular system designed to meet specific requirements for the use of its linear and profile guide systems under special operating conditions. Three top performers from this system are introduced here: Corrotect Corrosion Protection Corrotect Corrosion Protection is a galvanically applied surface coating. The black chrome-plated, cathodic rust-proofing layer is extremely thin and is consolidated in the surface roughness profile and partially removed under load. In the case of parts coated with Corrotect, there is some shrinkage in the area of consolidation; a visually blank surface is created. The cathodic protection prevents the formation of rust on this surface. The advantages of Corrotect coating include: - no influence on load-bearing capability or service life - extremely high corrosion resistance - all-round protection against rust - rust is prevented in smaller blank spots by cathodic protection - no loss of load-bearing capability as with the use of corrosion-resistant steel - protection against EP additives - thermal conductivity Components coated with Corrotect are especially suited for applications which require extreme corrosion resistance. This coating is also being used very successfully to prevent splashes of welding material from adhering. The following linear products are available with Corrotect coating: RUE..E (..E KT), KUVE..B (..B KT), W, WH, LFS..R, LFR.., KB.., KS.., KH.. Protect A Corrosion and Wear Protection Protect A is a pure chrome layer with a pearly surface structure. The coating is applied galvanically, whereby the parts to be coated are heated to approximately +50 C. No structural changes occur in the parts. They remain completely dimensionally stable. The guide can be used in a temperature range between -10 C and +100 C. The matte gray chrome layer with its pearled structure retains a certain amount of lubrication between the pearls. This provides effective protection against wear even in the case of mixed friction and slippage. The rolling elements and the seals smooth the surface during runningin. This results in lower friction coefficients. The advantages of the Protect A coating include: - no influence on load-bearing capability and service life - significantly higher corrosion resistance (see comparison on page 5) - higher wear resistance due to the higher hardness - effective protection against wear in the case of mixed friction - protection against EP additives - thermal conductivity Protect A contains no chrome 6. Components with this coating are thus the first choice for use in the food industry. The following linear products are available with Protect A coating: RUE..E (..E KT), KUVE..B (..B KT) Further products from the shaft and track roller division are available upon request. Protect B Corrosion Protection and High Wear Protection Protect B consists of two layers. Thin-film chromium plating (Protect A) is coated with mixed chromium oxide. The guide can be used in a temperature range between -10 C and +100 C. Corrosion resistance is achieved via the thin-film chrome plating. The layer of mixed chromium oxide assists lubrication in applications used in aggressive environments and at high temperatures. The advantages of the Protect B coating include - no influence on load-bearing capability or service life - higher corrosion resistance - improvement in running-in behavior - effective protection against wear in the case of insufficient lubrication - in aggressive environments and at high temperatures, the second coat assists lubrication - protection against EP additives - thermal conductivity Protect B is the coating best suited to meet tough requirements for corrosion protection and in cases when continuous lubrication cannot be ensured. The following linear products are available with Protect B coating: RUE..E (KT), KUVE..B (KT) Further products from the shaft and track roller division are available upon request. Clean grease The right lubricant for everybody Printed circuit board and semi-conductor manufacturing benefit from INA/FAG expertise in tribology Aggressive media, electrical continuity, friction, vacuum applications, particle emission, wear, and corrosion are factors that can be difficult to handle. Competent control of these phenomena is one of the most important requirements for bearings in the productronics segment. The reliability and service life of a bearing depends to a large extent on how well its lubrication meets the desired performance requirements as well as the challenges posed by concrete adverse environmental influences. Together with renowned lubricant manufacturers, the Schaeffler Group has developed application-specific lubricants that are tested for their suitability in the company s own laboratories using the latest methods before approval and then, batch for batch, are tested once again before use. In order to determine which lubricants were particularly useful with regard to particle emission, series of tests were carried out in cooperation with neutral research institutes on particle emissions of lubricants under defined application conditions. One test setup with which particle emissions for lubricated linear guides were determined is shown in Figure Measurements were taken at pre-defined points at which especially high particle emission was expected based on the application. For other applications used under high vacuum conditions, special perfluoropolyether oil-based (PFPE) lubricants with particularly favorable evaporation behavior are tested for their suitability. However, not only the right choice of lubricant but also the addition of the right quantity of the lubricant is important. Thorough testing was conducted in this regard as well to determine the correct filling levels for sealed and permanently lubricated bearings.

8 Issue Page 8 Win a Blackberry Palm Organzier! Our question: WIN!!! What s the name of the direct drive specialist at Schaeffler KG? Just complete the client newsletter form (right), stating the correct answer and send it to: Schaeffler KG Production Machinery IEBSWE-LSA Georg-Schäfer-Straße 30 D Schweinfurt Fax: +49(0)9721/ Closing Date is Sep 15, 2006 Legal recourse ruled out. The drawing is closed to employees of the Schaeffler KG and its trading partners. Preview of issue 2/ Customer Specific Mirror Image Tandem 2. Under Roller Diameter Measurement Equipment 3. Second Edition BIEMH Yes, I would like to enter the drawing for the Blackberry! Answer: Lastname, first name: Company: Address: City, ZIP: Tel.: Fax: We would appreciate it if you would answer the following questions: Did we get your address right? Please let us know of any changes to be made (please use capitals). Who else in your company should receive FAG added? What improvements would you like to see at Production Machinery in the future? The lucky winner of our competition 1/2005 Representing the EMAG Group, Volker Schmid, a staff member in Strategic Purchasing (left), accepts the mobile phone won in a contest. Mr. Schmid gave the chic Nokia 6610i to the works council, who is organizing the raffle for this year s Christmas party. Thus all EMAG staffers have a chance at winning the original INA FAG gift. GLOSS The thoughtful moments of Joe Bloggs Recently, we received four invitations in a single week: one from my friend Armin, who is celebrating his God-knows-which birthday, one from an old bowling pal of my better half and two from relatives. My wife Barbara is a willing social butterfly for all occasions, but that was too much even for her. Joe, she sighed at one point, her head buried amidst wrapping paper and ribbon, why are we invited to so many parties? It s very simple, I said, probably because we re a super team. She laughed and wanted to know if the pork roast wasn t agreeing with me. Us a super team? Yes, I said, we re each one of a kind, and together we re unbeatable. You re special, all right! she grinned, shaking her head. And this is what I get when I try to compliment her! Look, I said, we re like INA and FAG. They combine their expertise and their strengths; together they have the largest product portfolio and offer perfectly coordinated programs from a single supplier. They call the whole thing added. I waited for her to blush properly upon receiving so much praise from her spouse at last, and how did she respond? She doesn t understand anything about math, but the bit about the super team is clear to her now, as well as the reason for all the invitations because we each have our own strengths and they complement each other beautifully. Then she said my strength lies in drinking beer and hers in preventing me from drinking it. And so we always make everybody laugh and provide first-class entertainment at any party. One thing I m sure of: I m not giving her any more compliments until Easter. At the earliest. See you at the next FAG added! Best regards, +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER +++ Joe Bloggs Up to twice as fast enhanced limiting speed ZKLDF Bearings from the ZKLDF line are finished, screw-on, double row angular ball bearings. Their operational field reaches from the rapidly turning round tables to the abrasive tips. The efficiency of this bearing series could be enormously increased. Limiting speed can be increased up to 100 % through optimization with relatively matched optional features of the connection construction. Further speed enhancements can be achieved with custom solutions, for example in the Masthead grinding machine spindles. TICKER +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER +++ NEWSTICKER HOTLINE U.K. Tel. +44 (0) Fax +44 (0) USA Tel / Fax +1203/ Far East Tel. +65 (0) Fax +65 (0) Your local distributor: Published by: Schaeffler KG Production Machinery Editor in chief: Claudia Kaufhold Address: Schaeffler KG IEBSWE-LSA Georg-Schäfer-Straße 30 D Schweinfurt Tel. +49 (0)9721-/ Fax +49 (0)9721-/ A Member of the Schaeffler Group Editorial team: Helmut Bode Oswald Bayer Claudia Kaufhold Norfried Köhler Produced by: Buena la Vista AG, Würzburg

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