Trochoidal milling significantly reduces manufacturing costs

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However, the machine manufacturer has now decided to test the performance of the new trochoidal milling strategy. The manufacturer uses the solid carbide end mill DHC Hardline by LMT Fette, which is said to be predestined for this task and has a diameter of 12 mm and four cutting blades. Cutting speed is 300 m/min and cutting depths are ap = 22 mm, i.e., almost 2xD. The maximum wrap angle is 24° at a radial depth of ae = 0.5 mm. According to LMT, the result is impressive. To gain a genuine impression of the process flow and the speed of the milling cycles, the procedure must be seen first-hand, Dr Thomas states. The processing time in conventional milling was 12 minutes and it was possible to reduce it to 3.7 minutes. This means time savings of at least 70%.

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With regard to tool life, trochoidal milling apparently does not need to hide its light under a bushel. While the end of the tool life in conventional milling is usually reached after processing two workpieces, LMT claims that there has been no critical tool wear in trochoidal milling even after six workpieces. The customer was duly impressed.

Here are the user benefits at a glance

Significant reduction of manufacturing costs thanks to high processing speed

Low cutting forces due to smaller and consistent chip cross-sections

Reduction of processing times by 70%

Increase of tool life by more than 300%

Benefits in roughing and finishing

Excellent surface quality

Large axial feed of the tool enables the use of the entire cutting edge length

Also available for use with less powerful machines thanks to reduced forces.

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LMT Tools

Trochoidal milling significantly reduces manufacturing costs

Here are the user benefits at a glance