Inserts with multi-layer MT-TiCN coating

With the WPP10G, WPP20G and WPP30G grades, Walter presents its new Tiger·tec Gold indexable inserts for turning operations. During development, Walter set out to reduce flank face wear by 30 to 60%.

In reality, tool life increased by an average of 50% according to the results of over 130 customer tests. The primary application is steel with a tensile strength of 600 to 900 N/mm². However, Walter’s new grades can also machine lightweight components made of steel with high tensile strength of 1000 to 1400 N/mm², which are on-trend at the moment.

The indexable inserts are of particular interest to mass producers in the automotive, energy and general engineering sectors, where they significantly reduce cost per component, says Walter. The company is launching the grades with nine geometries across the programme for applications such as optimised chip breaking on long-chipping, low-carbon materials (MP3) and interrupted cutting (RP7).

According to Walter, another key feature of the Tiger·tec Gold inserts for turning is their process reliability. This characteristic, alongside the performance and tool life of the inserts, is the result of their layer structure. A patent-pending, highly textured MT-TiCN layer reduces flank face wear, increases toughness and optimises elasticity. Additionally, a highly textured Al2O3 layer increases the product’s resistance to crater wear, while the gold-coloured top layer improves wear detection.

The final multi-stage post-treatment of the inserts ensures a smooth rake face, less friction and a high level of toughness, reports Walter. Individual alignment of the grades makes the indexable inserts highly versatile: WPP10G for continuous cuts and light interrupted cuts; WPP20G as a universal grade for 50% of applications; and the tough WPP30G grade for interrupted cuts as well as unstable or unfavourable conditions.

For further information
www.walter-tools.com