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The CARBLoop from LMT Tools

By kruti bharadva,

Added 09 August 2021

LMT Tools is expanding its extensive tool portfolio to include solid carbide milling cutters that have been specially developed for trochoidal milling.


With the CARBLoop, LMT Tools is expanding its extensive tool portfolio to include solid carbide milling cutters that have been specially developed for trochoidal milling. Thanks to its maximum depth of cut (3 x Ø and 5 x Ø) and ideally matched geometry, the new trochoidal milling cutter guarantees outstanding cutting performance, the shortest machining times and long tool life. Production costs can thus be drastically reduced.

 Trochoidal milling is an extremely dynamic machining process that is increasingly gaining ground due to its noteworthy advantages. Thanks to high speeds, machining times can be reduced by up to 70 percent compared to the conventional milling strategy and productivity is significantly increased. At the same time, tool life is more than tripled because less cutting heat is generated thanks to the smaller wrap angle. The tool cutting edge is therefore exposed to lower stresses. The lower cutting forces due to smaller and consistent chip cross sections also have a positive effect on wear.

The new trochoidal milling cutter has been specially designed for innovative milling and adapted to the process-specific requirements. One characteristic feature is the completely newly developed chip breakers, which are arranged offset to each other. The chip breakers reduce the chip volume by half and ensure smooth chip evacuation even at high cutting values. Depending on the diameter, the tools have up to 14 chip breakers. This high number not only ensures optimum chip removal, but also significantly reduces vibration, which has a positive effect on tool life. A special cutting edge geometry with defined edge preparation and the latest coating enables high cutting speeds and guarantees maximum metal removal rates as well as tooth feeds. Another advantage is the 2 mm longer cutting edge. This means that the CARBLoop can be reground several times without sacrificing the maximum insert depth.

 More efficiency for deep cavity machining

The CARBLoop is available in two variants: as CARBLoop STEEL for the application range ISO-P and ISO-K as well as CARBLoop INOX for the machining of ISO-S and ISO-M materials. Cutting geometry, coating and cutting edge treatment have been specially developed for the materials to be machined and are optimally matched to each other. This enables the best milling results to be achieved. In particular, components with deep cavities benefit from switching to trochoidal milling, because the high metal removal rate means enormous time savings. But thin-walled or unstable components can also be machined excellently thanks to the low cutting forces.

The perfect solution for trochoidal milling

Whether in die and mold making, aerospace or general mechanical engineering: trochoidal milling opens up unimagined performance and efficiency potential in roughing and semi-finishing. With the new CARBLoop, LMT Tools makes this accessible and offers a powerful tool solution that sets standards in terms of productivity, machining time, tool life and economy.




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