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“This is essentially a performance upgrade”, confirms Haider Arroum, Team Leader of Tool Sales at the Ettlingen factory. “The reason is that our customers have to machine increasingly harder materials, such as 42CrMo4 (900 – 1200 N/mm²), for example, and need a higher tool performance as a result. These new materials were seen as somewhat exotic in the past, while these days they are pretty widespread. We opted for this development to ensure that our stock tools offer more flexibility for our customers.”
Thanks to the new material and coating combination, the tool life can be significantly extended. It also facilitates higher cutting speeds in wet and dry machining without negatively-affecting tool life.
Our stock tools catalogue enables a delivery speed that, particularly in Europe, few other suppliers can match
Higher cutting speed, longer tool life
The changes are the potential cutting speed and the tool life whose quality is markedly improved by the new coating. “We already employ this cutting material and coating combination in other technologies, such as gear skiving. The technology is tried and tested and reliable” reports Haider Arroum. Other coatings and cutting materials are still available of course.
“Our stock tools catalogue enables a delivery speed that, particularly in Europe, few other suppliers can match”, the tool expert explains. At Liebherr, standard-compliant tools can be ordered from stock – via an order form or the online catalogue. Both were revised and updated this year.