The cooling of the indexable insert is an important factor for the precision of the workpiece, chip breakage and the tool life. The closer to the cutting edge, the better. One person who has mastered the art of making milling and turning tools cool is the family business Aleit in Steffenberg, Hesse. Machines from Chiron and Studer are the first choice for the production of tools and holders, so that cooling occurs where it is most effective - directly at the cutting edge.
Aleit, Aleit… a well-known tool manufacturer? Actually, yes. But somehow not, because no products are sold under their own name. At least not yet, but more on that later. Essentially, Aleit should be described as a manufacturing company with a focus on tools. But that wouldn't do justice to what the team of around 35 men and women achieves. There's more to it than just pure production. Many developments and product innovations are now standard for milling and turning tools and were born here in the Hessian hinterland. In terms of design and manufacturing technology, Aleit manages to incorporate cooling channels into the tool and holder in such a way that the goal of cooling the cutting edge as effectively as possible is optimally achieved. Internally cooled piercing swords are a good example of this, whether as a monoblock design or as a 3-part design consisting of holder, sword and clamp.
To know Aleit at all requires insider knowledge from the tool industry. This is because the company has not served the end customer since it was founded in 1961, but rather delivers the finished product to market-known tool manufacturers as a fully integrated technology partner, from the idea through the fully documented process to the individually labeled packaging - worldwide. This is strategy and what the management duo Holger (father) and Björn (son) Aleit wanted. “Others are ideally positioned in terms of structure and capacity for nationwide distribution. Our strengths are the development and production of tools that can do something better than their predecessors and are of course ahead of the competition. In innovations, that's where our energy goes." Björn Aleit sums up the business model and bases his statement on numerous patents, being a sought-after partner in research and development with institutes like Fraunhofer and, above all, always recurring projects and orders from regular customers.
Back to Aleit's number 1 main pillar, namely giving tools the IK capability right down to the cutting edge: When Aleit's customers, i.e. the tool manufacturers and trading houses, sold IK parting swords with increasing success - the arguments were many times longer in terms of service life and optimal chip breaking The entire stabbing sword product family was relocated to a Chiron FZ 16 S with automation, which was actually invested in for a completely different task. Roland Ranisch, managing director of FS Filter GmbH and regional representative for the Chiron Group in Hesse, remembers: “Aleit decided on an FZ 16 S five axis a good four years ago in order to be able to completely produce a wide range of different variants of PSC tool shaft interfaces in five axes edit. As an automation solution, we provided the 16er with a VarioCell system with a drawer system. The programs were implemented, the results were correct, everything went as planned. Then came the unexpectedly high demand for stabbing swords and Aleit had to immediately provide more production capacity, so to speak. The idea: distribute the PSC tools to the milling-turning centers and convert the 16s including automation for grooving blade production, which was possible without much effort: the drawer inserts were given new templates for the blanks and finished grooving blades , a new device was added for the storage point between the robot and the machine for dimensionally accurate orientation during loading, the robot was trained and finally the process retracted; Since this change, the system has been running in two shifts, process is reliable and is highly productive.”
Aleit GmbH employs 35 people at its headquarters in Steffenberg and, as a technology partner for well-known tool manufacturers and trading companies, develops, designs and manufactures turning and milling tools and holders with all standard interfaces. The company, founded in 1961, has set numerous milestones in the tool industry and is one of the technology leaders in internally cooled tools.
When asked how the company is currently doing, Björn Aleit makes a rather unusually positive statement for the industry: “Like many others, we are not yet feeling any real upswing from Germany and other European markets, whereas America is on a good level. "We are doing well with our pillars as a development partner and high-end manufacturer for IK and all types of insert tools," says Aleit.And continues: "Several projects for the development, design and production of new tools will be implemented in 2025 and the company is in a good position with the proportion of orders for the production of complex workpieces and non-circular grinding.” This is also good news and confirmation for Ranisch and Sanli. After all, a large part of the production is based on the workpiece quality, the unit costs and the availability that the machines from Chiron and Studer deliver. When asked about the service, Aleit made a short statement: “You don’t need it often and when you do, everything is fine."
For an outlook on the future, Björn Aleit has a few pieces of news ready that show that such an innovation-driven family business can grow even in difficult times: There are expansion plans for the headquarters in Steffenberg that have already been approved under building law. An investment project for another Chiron milling-turning center is taking shape. And finally, the boss presents, so to speak publicly for the first time, the latest product family from Aleit, which can be ordered directly from the manufacturer under the name “Aleit-Cool”. The reason why he didn't take the tried-and-tested route of marketing through the usual partners is because no one was willing to make the investment in a timely manner. For Aleit, however, waiting is not an option, as he is very confident that his new IK tools for multitasking machines will persuade potential customers to buy them with the same arguments as the piercing swords - quality, shorter running times, service life. The special thing about the “Aleit-Cool” is the printed coolant head, which, as we know from Aleit, brings the cooling lubricant directly to the cutting edge. And that has been the recipe for success so far. Aleit didn't want to reveal what the marketing actually looks like, but we can use his final quote: "Quality is what remains when the price has long been forgotten."
The CHIRON Group, headquartered in Tuttlingen, Germany is a global company specializing in CNC vertical milling and mill-turn machining centers, as well as turnkey and automation solutions. Comprehensive services and digital solutions complete the portfolio. The Group has a global presence, with production and development sites, sales and service subsidiaries, and sales agencies worldwide. Around two thirds of machines and solutions that are sold are exported. Key customer sectors are the automotive, mechanical engineering, medicine and precision engineering, aerospace industries, as well as tool manufacturing.
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