Global Gear Seminars from Sigma Pool

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Klingelnberg and Liebherr supply machines and metrology needed for the production of cylindrical and bevel gears. Under the name Sigma Pool they have worked together successfully and effectively in worldwide marketing since the early nineties. Apart from supplying high-precision, high-productivity products, both concerns regard it as their task to communicate extensive production, application, and design know-how about gears and gear manufacturing processes to their customers. The Sigma Pool Seminar plays a key role in these activities, offering gearmakers around the world a concentrated and comprehensive package of information on all aspects of manufacturing and measuring cylindrical and bevel gears. Apart from fundamentals, the seminars focus on current trends and developments in gear manufacturing (see Q&A in this issue).

The continuing growth in the number of participants—especially in these days of economic crisis—underlines the high level of this event and its direct benefit to users. At past seminars the relaxed atmosphere has often triggered future process development and product improvements. For Klingelnberg and Liebherr this has always been a vital aspect of a relationship that succeeds for both client and supplier. Keynote themes of this year’s presentations include:
• New methods of bevel gear production—using modified mathematical models, spur-toothed bevel gears and the innovative Spirokon gear can be dry-machined on Oerlikon milling machines. Spirokon combines the advantages of face hobbing and face milling;
• Enhancing productivity with alternative grinding abrasives—the vitrified-bonded CBN abrasives that have already proved their worth in external cylindrical grinding are now leading to significantly improved performances in the grinding of bevel gears;
• Grinding large gears cost-effectively—generation grinding, established for decades in the world of automotive gear production, is about to revolutionise the productivity of large module gear grinding;
• Gears for wind turbines—combined with tools using cemented carbide blades, stiff modern machine concepts open up new vistas in terms of high removal rates and minimum process times;
• Gear measuring machines can do more—modern measuring machines go beyond familiar geometry data, testing the complete part, including its surface roughness, and fully quantifying the form and position of all surfaces;
• Quality testing cylindrical gears—new methods enable gear metrology to move forward from pure geometry measurement to functional testing.

The Klingelnberg group is a world leader in the development, manufacture, and sale of gear production machinery and related equipment. The company’s products are used by customers in automotive, truck, aircraft, agriculture, construction, power tool, and marine industries, and by a diverse set of customers serving various industrial equipment markets. Together with Liebherr-Verzahntechnik it forms the Sigma Pool international gearing partnership.

The final event in the Sigma Pool Technology Tour will be in Brazil (October 29-30 in Sao Paulo). More information about Liebherr is available at [www.liebherr.com]. Learn more about Klingelnberg at [www.klingelnberg.com] and the Sigma Pool at [www.sigma-pool.com].