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Slide 54 of 69

Notes:

    Free-machining brass produces fine chips of swarf.
    Brass swarf is valuable (worth 40% of virgin material), is easily to handle and compact.
    The swarf from non-free machining metals is slow to clear from the tool. Giving higher tool wear, long tangles of swarf and the need for expensive cutting lubricants.
    Ferrous swarf has little valuable