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Boost for small-parts turning Featured

A1030U is the latest turning-insert development from Sumitomo Electric Hardmetal. The insert is targeted at high-precision, small-workpiece machining where improved levels of surface finish are required.  Enhanced component finishes are achieved using A1030U inserts by a special high-precision grind to the cutting edge and the incorporation of Sumitomo’s Absotech Bronze multi-layer PVD coating, which not only helps resist micro-chipping but contributes to extended levels of consistent production, says the company. The inserts also feature Sumitomo’s latest precision-ground FYS, a narrow-width G-class chip-breaker.

Suitable for both the turning and grooving of smaller inner diameters, A1030U inserts can be applied to workpieces produced from mild, alloy, stainless and heat-resistant steels, as well as pure iron and non-ferrous materials, where chip control is difficult to manage.

Absotech Bronze technology comprises five alternate layers of TiAlSiN and AlTiSiN coatings, which are applied to a carbide substrate that is said to offer double the fracture resistance of more conventional offerings. According to Sumitomo, the coating has excellent heat and oxidation resistance with high orders of adhesion strength. The coating also resists peeling-off as it has improved boundary control between the coating and carbide substrate.

A1030U inserts are available in triangular negative and GNDS grooving types with cutting widths of 1.5, 2 and 3 mm. Positive inserts range across 80, 55 and 35° diamond, as well as square, triangular and trigon types. All have a selection of different nose radii available.

For further information www.sumitomotool.com

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