EMO 2017

Exactly the right tool for every application

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In practical application, machining has been taken to the next level. In the face-milling of a copper block with the new Multi Face H45 PRO4, different requirements were exceeded: Thanks to the low power consumption, it was possible to increase the diameter of the tool used from 100 mm to 160 mm in order to increase the radial infeed ae to 102 mm – previously it was 48 mm. Using optimised cutting values, it was possible to more than double the material removal rate to 676 cm³/min. The tool life per cutting edge also increased from 18 hours to 24 hours, meaning that wear doesn't stand a chance.

The efficient machining of hardened and high-strength materials is a particular challenge for cutting tools. Both the demand for long tool life and the maximisation of removal rates are rapidly rising. The Multi Edge 2-Feed mini high-feed cutter from LMT Fette is meant to meet these requirements. New indexable inserts complement the range of already established milling tools.

A special carbide substrate combined with a TiAlN-based high-performance coating easily overcomes material hardness and material strength. The high-feed geometry of the 9 mm small inserts for cutting depths up to a maximum of 1 mm with an insert thickness of 3 mm allow for a veritable flood of chips during the roughing process. The slightly positive angle of the indexable inserts also makes a decisive contribution.

In practice, this leads to a considerable reduction in machining times. During the high-feed machining of highly tempered steel 1.2343, it was possible to halve the machining time compared to a competitor's tool. The long tool life of 165 minutes also contributes to reducing costs. The Multi Edge 2-Feed mini works very reliably and economically, even with large tool lengths.

LMT Fette uses its experience for the latest innovations

The experts at LMT Fette have created a comprehensive product portfolio for the various performance and quality requirements of gear cutting, from vehicle transmissions through to drives in wind turbines. One hundred years of experience combined with current research and development results help to generate innovative solutions to further reduce costs per part.

This is how the Unify indexable insert hob came to be. It strengthens the area of application of the proven gear hob family Carbide Line-I (I= Indexable) in the module range from 6 -12 and is the sensible choice when high performance and high quality are a requirement for the machining of gears. The design of Unify has created a single-part, compact, very robust base plate which works with high precision thanks to the small number of interfaces. The compact design enables the use of indexable inserts for gear cutting from a diameter of 150 mm which brings several benefits: It can be used on smaller machines, has fewer limitations due to collisions and offers advantages with regard to processing time.

Efficient internal thread production is the result of intensive tool research and repeatedly challenges the creativity of engineering experts anew. LMT Fette presented the first generation of HPF thread formers many years ago and in the meantime has made a name for itself in the area of chipless internal thread production with its unique selling point of modular design. HPF stands for High Performance Forming and combines the advantages of the wear resistance of a carbide thread head with the toughness of a steel shank.

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Now, with the further developed thread forming tap HPF Max, a higher performance dimension has been opened up. In addition to the modular design, further significant design features are now making decisive contributions, especially the micro-grain carbide, the TiCN coating and the optimised former geometry. This makes the HPF Max a cost-effective partner for serial production in the automotive industry and in mechanical engineering.

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