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Tübingen, 19th November 2010 – Synergies from different areas of application play an important role in the development of tools and cutting material. This is demonstrated by the new ISO insert with NMT geometry from Walter. The geometry, which was originally designed for titanium material in aerospace technology, is also excellent for forged and cold-formed steel components that are predominantly used in the automotive industry. The chip fracture behaviour of forged and cold-formed components is as problematic as it is for titanium alloys. The tendency to produce coiled swarf is particularly pronounced for materials such as Cf53, C10 and St37. In addition, material removal for forged parts is often only 1.0 to 2.0 mm, which again impedes chip breakage. In order to break the chip reliably and enhance process reliability, optimised cutting edge geometries are necessary. With its NMT ISO insert geometry Walter has introduced one such solution to the market for turning titanium material. This geometry is also suitable for steel formed parts, such as those typically produced in large quantities in the automotive industry and other similar sectors. Examples include ball joint pivots, gear parts, converter housings for automatic transmissions and drive shafts. Walter combines the original titanium geometry with a cutting tool material for ISO-Pmaterials in accordance with the component target group. The Tiger·tec® WPP10, WPP20 and WPP30 grades are available for selection. These three grades (very hard WPP10, universal WPP20 and very tough WPP30) provide the user with sufficient leeway for individual process adaptation. The product range currently comprises the following basic shapes: CNMG, DNMG, TNMG and WNMG.
The NMT geometry is particularly impressive due to several features. The main feature is the curved cutting edge, whose purpose is to reduce the cutting forces and to prevent variations of the workpiece surface when profiling (e.g. ball joints). Close behind is a closed series of domeshaped bumps which provide an obstacle for the swarf and deflect it, while simultaneously providing a constriction on the overall cutting depth. The cutting edge has been drawn up slightly around the corner radius to enable positive geometry conditions at this point. This new optimised cutting edge design results in a feed range of 0.12 to 0.40 mm per rotation and a main cutting depth of 0.6 to 3.0 mm. Conventional material removal for hot and cold-formed
parts lies in precisely this range.

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Vokietijoje Stuttgart parodų centre 2010 m. rugsėjo 28 - spalio 2 dienomis vyksta kasmetinė metalo apdirbimo technologijų paroda AMB. Parodoje galėsite pamatyti mūsų tiekėjus WALTER, TITEX, PROTOTYPE, ZCC CT, MAGAFOR, ZPS.

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Walter pradėjo gaminti naujas tekinimo plokšteles titano apdirbimui Sky-tec.

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