New milling cutter for deep plunging operations
Posted on 03 Aug 2020 and read 851 times
The Swiss tool manufacturer Mikron Tool
— represented in the UK by Floyd Automatic Tooling Ltd
— has expanded its milling cutter programme with a new version of its established plunge mill — CrazyMill Cool P&S, which is available in diameters from 1 to 8mm and can undertake even deeper machining operations.
It can plunge (drill) vertically into the material, mill slots or pockets into solid material in confined spaces — and conclude milling with a finishing operation.
The new version of the solid-carbide plunge mill is based on the same technology as the short version, but it is now possible to plunge perpendicularly to reach a maximum milling depth of 5xD in a few steps — and without the cutting edges ‘breaking out’ (a difficulty that can be encountered when ‘drilling’ with a milling cutter).
Mikron says that despite their length, these milling cutters are extremely stable while offering high levels of cutting speed, chip removal rate, tool life and surface quality.
Good chip removal plays an important role at greater depths, as there can be a greater risk of chips remaining in the milling zone and being ‘remachined’ several times — damaging both the milling cutter and the milled surface.
However, the special cutting-edge geometry with extended chip area ensures perfect lateral chip removal during plunging and stability of the milling cutter even during deep milling.
Furthermore, the integrated coolant ducts in the shank ensure an efficient chip evacuation, even from deep pockets or slots.