Introduction
The document introduces the Liebherr LFG series, designed for highly productive profile grinding of external and internal gears. The machines feature a directly driven table and a machine bed made of mineral casting for precision.

Specifications
The LFG series includes models LGF 800, LGF 1000, and LGF 1250, with maximum workpiece diameters of 800 mm, 1000 mm, and 1250 mm respectively. The machines offer a maximum workpiece speed of 250 rpm and various travel and positioning capabilities. The external grinding head drive power ranges from 37 to 63 kW, with tool speeds up to 4000 rpm.

Features
The machines are equipped with a swivel axis for topologically correct grinding, and can be easily adapted for internal gear grinding. They include a single-dresser for the grinding disc, with an optional sync-dresser for reduced dressing time. The machines also feature an automated profile grinding operation with a Liebherr ring loader and an automatically adjusting grinding oil nozzle.

Technical Data
Key technical data includes axial, radial, and tangential speeds, as well as the weight of the machine and total connected load. The machines are designed for energy efficiency and high availability.

Company Information
Liebherr-Verzahntechnik GmbH is a leading manufacturer of CNC gear cutting machines, gear cutting tools, and automation systems. The company operates globally with facilities in Germany, Italy, the USA, and India, employing approximately 1200 staff in the machine tools and automation technology sector.

Applications
Liebherr's gear cutting machines are used by manufacturers in the automotive, construction machinery, and wind power industries. The company emphasizes innovation, quality, and reliability in its products.