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Thread: Machining Brass

  1. #1
    Join Date
    Jun 2007
    Location
    Lacey Guitars, Kingston Springs TN
    Posts
    19

    Default Machining Brass

    Hi,
    I need some advise for profile cutting 1/16 inch brass plate.
    What would be the ideal spindel RPM, and feed rate using a 1/8 inch dia. bit and what type of bit is best.

  2. #2
    Join Date
    Jan 2004
    Location
    iBILD Solutions - Southern NJ
    Posts
    7,986

    Default

    Hold-down is the biggest issue on plate that thin. A standard carbide or HSS 2-flute end mill is the right tool for the job. I would try starting out at about 13,000 RPM and 1 IPS. This is a job for vacuum or carefully placed screws...as carpet tape may fail and will bend your part when you remove it.

    -B

  3. #3
    Join Date
    Jun 2007
    Location
    Lacey Guitars, Kingston Springs TN
    Posts
    19

    Default

    Thanks Brady,
    I know from my metal working background that machining brass with a conventional mill like a Bridgeport is at a much lower RPM and when searching around on the Web, most formulas are related to these types of CNC machines. I'll give it a try.

    Mark

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