2025-01-22 10:50:48
The Liebherr WGT series of gear measuring machines are used in gear manufacturing for a wide range of industries: from the smallest aerospace applications to large gearbox components for wind turbines, tower cranes or commercial vehicles, where some of the gears weigh tons. With the optimized WGT 1200, Liebherr-Verzahntechnik GmbH provides high-precision measurement even for huge workpieces up to a diameter of 1,400 mm and a weight of 5 tons.
The WGT range of gear measuring machines is suitable for workpieces with diameters from 5 mm to 1,400 mm— starting with the WGT 280 followed by the WGT 400 up to the recently updated WGT 1200 for workpieces weighing up to 5 tons.
All the models meet the strict requirements of VDI/VDE 2612/2613, Group 1 and can measure gears from a module of 0.1 mm. The base plate, linear guides and tailstock made of lapped natural granite help maintain a constant temperature profile, while linear axes with air bearings, precision rotary tables and reliable Renishaw probe systems with touch probes ensure the mechanical accuracy of the machines. Operation is intuitive using the LHInspect software, which allows the gear cutting machine and the inspection machine to exchange geometrical and measurement data for automatic correction in a closed loop.
An optional, optimized roughness sensor handles even the smallest measuring points. The automatic stylus change rack with up to two six-piece magazines provides uninterrupted measurement of the workpieces in a single operation.
“This makes the measurement not only highly precise, but also efficient and user-friendly,” said Matthias Brüderle, Product Manager for gear measuring machines. “We also offer basic and advanced training courses by experienced trainers—on our customers’ own workpieces if they wish.”
The concept of the largest measuring machine, the WGT 1200, has now been revised and optimized. “We benefited from our experience with gear cutting machines, from which we adopted the concept of the tailstock. It is now permanently installed and the upper center swivels sideways,” explained Brüderle. This arrangement increases the load area and also saves space. What is particularly interesting is that this makes the WGT 1200 suitable for automatic loading by robots and automatic clamping, which means it is prepared for unmanned operation.
Another highlight of the WGT 1200 is the powerful spindle drive, which allows optimized power transmission, precise positioning and high load capacity. The machine is also equipped with active damping, which eliminates the need for a separate machine foundation. The Renishaw SP80 probe can also support heavy styluses while maintaining the highest degree of accuracy.
For more information contact:
Liebherr Gear Technology, Inc.
1465 Woodland Drive
Saline, MI 48176-1259
734-429-7225
info.lgt@liebherr.com
www.liebherr.com
©Gross Publications. View All Articles.