Cutting tools More cutting performance for tool and mould making above 50 HRC

Editor: Peter Königsreuther

In tool and mould making, steels with a hardness above 50 HRC are machined every day, but this is anything but simple. The new Hipims layer Steelcon from Cemecon should help.

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Whether you are machining wet or dry: the Steelcon coating from Cemecon significantly increases the tool life when milling hardened steels. This pays off in tool and mould making, for example.
Whether you are machining wet or dry: the Steelcon coating from Cemecon significantly increases the tool life when milling hardened steels. This pays off in tool and mould making, for example.
(Source: Cemecon)

Hard machining, especially the machining of hardened steels above 50 HRC, is a demanding application, says Cemecon. This is because the materials are both hard and tough. And alloy components that increase corrosion resistance make the machining tasks even more difficult. Due to enormous feed rates and high temperatures at cutting speeds of up to 250 metres per minute, the milling cutters used literally cut their teeth. At the same time, especially in tool and mould making, the highest surface qualities are often a must, even with the smallest contours, it continues. In order to be able to machine as economically as possible under these extreme conditions, it is advisable to use high-quality precision tools. And a coating tailored to the task supports the whole process. With the new Hipims coating material Steelcon, Cemecon provides the right tools for the job.

Wear-resistant tool coating saves cash

We also learn that Steelcon is the second silicon-doped Hipims coating material from Cemecon. While its "brother" Inoxacon is predestined for machining stainless steel, titanium and materials that are difficult to machine, with Steelcon the experts have developed a coating material specifically for machining hardened steels beyond 50 HRC. This makes carbide cutting dry or wet possible! No matter whether it is milling, drilling, reaming or threading. Steelcon is described as very wear-resistant, which is due on the one hand to its high hardness and on the other hand to its toughness, coupled with the very good adhesion of the coating to cutting tools.

The coating material has a relatively dense structure and increased thermal stability. According to the manufacturer, the wear behaviour of Steelcon therefore differs significantly from that of its market competitors. This means that one benefits from a very homogeneous wear behaviour that is unparalleled.

Increase in tool life of a 6-millimetre ball-nose cutter due to a Steelcon coating, compared to a conventional coating, when machining the material 1.2379 with a hardness of 62 HRC.
Increase in tool life of a 6-millimetre ball-nose cutter due to a Steelcon coating, compared to a conventional coating, when machining the material 1.2379 with a hardness of 62 HRC.
(Source: Cemecon)

Because no droplets (drop-shaped accumulations of material) can form due to the Hipims process, a Steelcon layer is extremely smooth due to the process, emphasises Cemecon. This means that nothing stands in the way of optimum chip and heat removal in the truest sense of the word: the tool can dissipate the heat in the chips, and process stability increases. According to the experts from Cemecon this results in the best surface qualities, so that the user can often save on subsequent work - in some cases even on polishing his workpieces.

Those who use tools with a coordinated Steelcon coating when machining hardened steels benefit from shorter machining times, reduced set-up and handling processes and better surfaces. All factors that reduce the bottom line costs, Cemecon concludes.

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