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Milling is a mechanical process that allows the modeling of pieces in complex shapes and to obtain a wide range of surfaces through the action of a cutting tool with defined geometry. Milling is able to provide high precision and an excellent surface finish of the finished product.

Milling covers a wide variety of different operations and machines, on scales from small individual parts to large, heavy-duty gang milling operations. It is one of the most commonly used processes for machining custom parts to precise tolerances.

Milling requires the rotation of the cutter and the translation of the piece: the cutting edges of the cutter, by rotating, remove metal from the piece when this is in interference with the cutter due to the translation of the bench on which the piece is anchored.

This particular processing is carried out using tools called cutters, which are mounted on machine tools such as milling machines or boring mills.

How does milling work

Milling is a widely used modeling technique because it is applicable to different materials, from metals to plastics. The processing is divided into two phases: the first involves the removal of excess material while the second phase is the crucial one since it allows to obtain the final product, compliant in size and surface roughness, with the initial project.

Machinery for precision mechanical milling

Modern milling machines are mostly CNC milling (also called machining centers) and are computer controlled vertical mills with the ability to move the spindle vertically along the Z-axis. CNC milling significantly improves milling precision without impacting speed, providing a cost-efficient alternative to most flat-surface hand-engraving work.

CNC milling machines allow you to automate the entire process thus reducing processing times and eliminating the margin of error. CNC milling machines also make it possible to produce parts with sub-micron tolerances and mirror surfaces. The use of CNC milling machines allows you to achieve a surface finish of excellent quality and a very high level of precision.


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