Trochoidal milling significantly reduces manufacturing costs

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DIPROFIL Diamantprodukter AB

Ramada Acos

Thermal and mechanical load on blade decrease

Dr Thomas says that, in principle, the following applies: The larger the wrap angle, the more heat from the machining process is transferred to the tool blade. In trochoidal milling, the wrap angle during a milling cycle is 10° to 80° and thus significantly lower than the 180° used in slot milling. This also causes the thermal and mechanical load on the blade to decrease significantly.

Wexo

Special cutting-edge geometry ensures a high surface quality

Moreover, as opposed to conventional milling, where sudden mechanical stress is frequently imposed on the tool, trochoidal milling is said to avoid this negative effect when entering the workpiece. The intelligent control of the tool path with a slight radial feed allows for smooth entering and exiting into the workpiece. This is in turn beneficial for tool life and the quality of the workpiece. This smooth method is performed throughout the entire cutting process, which is also beneficial to the surface quality and dimensional accuracy of very thin-walled workpieces. Further examples of use are the processing of impeller pockets for gas turbines or integral components for the aerospace industry.

70% faster machining with trochoidal milling

The benefits of trochoidal milling described above sound very promising. However, only their respective fields of application will prove how beneficial trochoidal milling actually is. And there are of course various fields of application. In one, for example, a machine manufacturer produces washers made of alloyed chrome molybdenum vanadium steel. During the production, pockets with a dimension of 130 x 55 x 22 mm and a hardness of 48 HRC are also incorporated. Until now, indexable insert cutters with a diameter of 20 mm have been used.

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