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INA-Schaeffler KG and FAG Kugelfischer AG - two strong companies that will demonstrate once again their expertise at the "2004 IMTS" (booth no. D-4602) with a large number of system solutions. Both of these Schaeffler Group member companies belong to the most well-known suppliers of machine tool components. In line with the company strategy to offer customers complete and perfectly matched systems, INA-Schaeffler KG has recently made some high quality additions to its product range.
Besides the systems supplier L-A-T Suhl AG, another company that belongs to the INA Group is präTEC - Präzisionstechnik GmbH, specializing in the development and manufacture of linear drives and torque motors. "Together, we can now supply our customers with bearing and drive technology for the entire machine tool system: from the rotary table to the x axis all the way down to the work spindle," explained Helmut Bode, director of the Production Machinery division at INA and FAG. "This clearly sets us apart from our competitors." No other suppliers have such a broad spectrum of high quality solutions in their product range.
The focus at the IMTS will primarily be on new developments for linear guides, direct drives, rotary tables and spindle bearings as well as machine tool monitoring.
INA's highlights are clear: In addition to the rotary table bearings YRTS, the spotlight will also be on the new roller type and ball type profiled rail units RUE.E and KUVE. Thanks to the targeted optimization of the raceway system, the YRTS bearings - with an S for 'speed' - offer a 70 percent reduction in the friction coefficient. In this way, the friction torque increase with increasing speed, typical for this bearing design, can be eliminated almost entirely. For YRTS size 325 a grease limit speed of n = 800 rpm can be achieved, which is eight times higher than for the YRT standard model, thus providing more reliability and longer life.
To allow customers to have reliable control over their machine tools, INA has also developed an angle measuring system for high speed rotary tables. The YRTMS is a solution that is especially suitable when requirements call for a torque motor - without having to do without the technologically ingenious idea of an angle measurement system that is integrated in the bearing.
INA roller type profiled rail units RUE have been used successfully in applications worldwide for many years now. For the IMTS show, INA linear technology engineers have developed a new generation. The RUE.E is an intelligent profiled rail linear guide. Customers have the option of oil or grease lubrication, they can vary the position of the lubricating nipple and mount the unit themselves. In addition, INA is the only manufacturer to supply the carriage with the "full complement" system or with the "roller chain." The main advantage of the "roller chain" is its quiet operation. The RUE.E and the ball type profiled rail units KUVE..B both belong to INA's and FAG's new premium product class. The brand name "X-life" is used to designate industrial products that have a verifiable added value for the customer, such as longer life, functionality, improved materials and performance.
Besides these products, INA-Schaeffler KG will exhibit its bearings for pretensioned ballscrews, whose load carrying capacity has been doubled since the last IMTS show. The increased load rating in the three row angular contact thrust ball bearings belonging to the "heavy series" DKLFA offer customers considerably higher operational reliability and longer life for their machine tools.
With the motto "FAG Low Temperature," FAG Aerospace/Superprecision, the technological leader for spindle bearings, will present a new spindle bearing generation at the IMTS show. For FAG low temperature bearings, bearing temperature in operation has been reduced by 10
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NURT15R IKO | 15 | 35 | 19 |
| NURT15-1R IKO | 15 | 42 | 19 |