The rise of the Berger Company has seen it become one of the world’s largest enterprises in the field of high-precision turning for the automotive industry, a business built with Tornos turning centres. Berger is constantly investing in state-of-the-art technology to produce turned parts with maximum quality at reasonable cost. Against this backdrop, only a few months after its market launch, the 200th MultiSwiss was delivered to the Berger plant in Ummendorf, Germany.
Berger recently pitched to a leading auto OEM for the global supply of a key component on an advanced direct fuel injection system. The volume amounted to 16 million parts. Herbert Maurer, director of corporate sales, recalls that the requirements were, and still are, fierce. For instance, as the part is installed directly in the combustion chamber, it is made of high-strength material, while the complex geometries have to be machined to a tolerance not exceeding 2 µm.
In the run-up, Berger considered Tornos and other competitive machines to find the appropriate manufacturing strategy. However, the new MultiSwiss soon turned out to be the best option.

“At the moment, it is simply the most precise lathe and, it seemed to be the most appropriate machine to achieve stable processes,” says Maurer.
Instead of experimenting on a sole machine, Berger purchased 10 MultiSwiss machines and has optimised the processes from the very beginning with series production in mind. All 10 machines are now running 24/7.
For further information www.tornos.com

With over 30 years of gunsmithing between them, along with 20 years’ international shooting experience, good friends and business acquaintances Stuart Anselm (Osprey Rifles), Pete Walker (Walker Custom Rifles) and Gary Costello (March Scopes) decided to pool their resources to capitalise on the niche market of bespoke gunsmithing by creating PGS Precision Engineering.

Much of the work that the three partners are involved with is one-off commissions, which would not justify investment in CNC machining capability. However, a recent contract for higher volume work made the possibility of upgrading from manual machining a feasible proposition.
“This was our first contract for large 50-calibre military rifles and, in addition to the chamber, we had to carry out turning and threading to fit the rifle action, as well as the suppressor [silencer],” says Anselm. “These increased volumes led us to look into CNC.”
PGS Precision Engineering opted to purchase an SLX 355 ProTurn lathe from XYZ Machine Tools, which scored highly due to its easy-to-use ProtoTrak control system; in particular the ‘TRAKing’ facility that allows the operator to manually run through the program using the hand-wheels before pressing cycle start.
“We are machining barrels much faster than we ever could using our manual lathes and with the reassurance of consistent accuracy and quality,” says Anselm. “Adding the automatic toolpost was a great decision as we can now complete the turning and threading cycles in under three minutes.
For further information www.xyzmachinetools.com

Mills CNC, the exclusive distributor of Doosan CNC machine tools in the UK and Ireland, has supplied a new, large-capacity Puma VTS 1620M vertical turning lathe to Fife-based National Oilwell Varco (NOV) Flexibles UK – a group within NOV Subsea Production Systems and a manufacturer of flexible pipe systems for the offshore oil and gas industry.

The machine was installed at the company’s recently upgraded and extended manufacturing facility in Glenrothes, and represents part of an ongoing multi-million pound investment made in plant, machinery and equipment. Doosan’s VTS 1620M is being used to machine a diverse range of NOV’s proprietary and patented, complex components, as well as repair (re-machine) worn parts that require refurbishment. These components, made from difficult-to-machine materials, many of which have undergone Inconel weld overlay, inlay cladding and heat treatment processes, include large-diameter end fittings and flange connectors – components that provide the required secure interfaces between flexible pipe systems and topside/subsea facilities such as FPSOs/FPUs, platforms, well-heads and subsea installations.
A box-guideway vertical turning lathe equipped with a 63” chuck, the VTS 1620M has 2000 mm maximum turning diameter capacity. In addition, the machine has a number of on-board technology features that make it suitable for the productive and precise machining of large-diameter components.
Alex Mitchell, Flexibles UK’s maintenance manager, says: “The VTS 1620M, like our other Doosan machines, is reliable, versatile and delivers impressive cutting performance. We continue to invest in Doosan machine tools because they are technically sound and are competitively priced. They are also backed by Mills CNC’s aftersales service and support which, from our experience, is difficult to beat.”
For further information www.millscnc.co.uk

600 UK launched its Colchester MultiTurn two-axis manual/CNC lathe at EMO 2017 in Hanover last month. The new MultiTurn is a simple, flat-bed CNC lathe that now incorporates a Siemens 828D control with ShopTurn as a standard feature, although Fanuc 0iTF with Manual Guide i can be fitted if preferred.

The Siemens 828D control with ShopTurn has a reputation for being user-friendly and intuitive, ensuring that operators can machine parts quickly and easily with very little training. However, the ShopTurn system is also powerful enough for more advanced CNC users to output maximum productivity quickly, says the company.
600 UK offers six Colchester MultiTurn models, starting with the compact MultiTurn 1000, which has a 330 mm swing over bed and a 7.5 kW motor outputting spindle speeds of 3500 rpm, through to the heavyweight MultiTurn 6000, which has a 760 mm swing over bed and an 18.5 kW motor giving spindle speeds of up to 1400 rpm. The MultiTurn 6000 has bed length options ranging from 1.5 to 6 m.
Paul Rushworth, 600 UK sales director, says: “The new Colchester MultiTurn, with the addition of Siemens 828D with ShopTurn, gives customers even more flexibility when choosing a new turning machine. We are constantly expanding our range of Colchester and Harrison products, and the MultiTurn is a natural progression in adding more options that customers want.”
For further information www.600uk.com