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Large-Part Machining


valve seats, seal faces, phonographic sealing surfaces, O-ring grooves, straight/tapered threads, chamfers, external profiles and others. It is located immediately above the machine’s main spindle. The contouring spindle has a standard Sandvik


Coromant Capto C8 tool interface, which reduces tooling costs, and it loads tools via the machine’s automatic toolchanger for faster processing without operator involvement. Coolant through the contouring spindle at 20 Bar maximum pressure eliminates manual intervention and ensures maximum tool life.


Improve machine utilization.


Even in the dark. Rotary Loading System RLS – Your Entry into High-Efficiency Production


 Economical – A basis for the cost-effective machining is optimizing the feeding of parts in and out the machining center


 Flexibility – With its modular design, the Liebherr RLS Rotary Loading System offers a high degree of flexibility


 User-friendly – The proven Soflex PCS cell controller is user-friendly and offers integrated order planning


 Quality and Reliability – Quality is the top priority for Liebherr. When producing our products, every stage is monitored ensuring world-class products with the highest reliability and service life


“The integrated contouring head can be used on any part with bored surface/ features [ID or OD]. This capability reduces the number of fixed boring tools needed for a job and provides the flexibility to also machining threads, face grooves, and other contoured features on parts like pump housings, valves, and blow out preventers,” said Peter Beyer, Fives Giddings & Lewis director of product strategy and development. “The application of contouring heads on boring mills is not unusual, however, the combination of the features we have incorporated into the contouring make it unique. To my knowledge we are the only company proving an integrated contouring head on a HBM with fully automatic toolchanging of two types of nonproprietary tooling.”


Energy Industry Relies on Boring Mill Technology


Liebherr Automation Systems Co. 1465 Woodland Drive Saline, Michigan 48176-1259 Phone.: +1 734 429 72 25 E-mail: info.lgt@liebherr.com www.liebherr.com


The Group 14-502_004_LVT_007_RLS_USA_GB_außerhalbMP-2.indd 1 50 ManufacturingEngineeringMedia.com | December 2013


“Our large boring mills are used for both subsea or on-land oil and fracking for natural gas applications for machining a variety of wellhead workpieces, includ- ing pumps, connectors, high-pressure manifolds,” said Jim Yeakley, southwest regional sales manager, SB Machine Tools (Schaumburg, IL). “With a boring mill you can use the contouring head and the W axis of the machine to power the U-axis head and blend the internal radi- uses of mud or fracking pumps as if they are on a lathe, which is a pretty unique usage of a boring mill,” said Yeakley. “Actually, there are two major as- pects for these types of heads. Because


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