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  • Forked from Jake Read / machineweek-2023
    Source project has a limited visibility.

    microcutting

    Comparison of micro-waterjet, laser, EDM, NC, ... cutting

    micro-waterjet

    [MicroMAX at OMAX Demo Lab - https://www.omax.com/omax-waterjet/micromax]

    Nozzle: 7/15 MAXJET5 Minijet Nozzle with 0.007" ID diamond orifice and 0.015" Roctec 500 mixing tube

    Abrasive: 240 mesh Barton HPX garnet with a mean particle size of 60 um at a flow rate of 0.12 lb/min

    Pressure: 50 ~ 55 ksi

    Cutting time: 3.1 min

    solid-state laser micromachining

    ultrafast laser micromachining

    EDM

    NC

    Fablight fiber laser

    Machining time: ~5 min

    Cost of machine: sheet only machine with the 3000 laser is around $80,000, and the tube & sheet is around $90,000

    Machine settings:

    Fablight settings

    Sample photos:

    fablight 1

    fablight 3

    fablight 5

    After burr removal

    fablight 6

    The brown seen on the edges of the piece are burn marks where the machine cut.

    fablight 7

    fablight 8

    ...