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Thread: Bridgeport Series ll Special Edition CNC Knee Mill

  1. #1
    Join Date
    Oct 2009
    Marquette, MI USA

    Bridgeport Series ll Special Edition CNC Knee Mill

    Due to changing product lines I need to replace my existing "daily driver". Its a CNC Bridgeport Series ll Knee mill. Pictures of my conversion are documented here:

    Machine has had semi steady but light use (plastics and aluminum) and is in great shape.

    Specs: BP Series ll Special Edition.
    NMTB30 quill with Erickson Quick Change (premeasured tools)
    X travel: ~34"
    Y Travel: ~14"
    Z Travel: ~5"
    Knee Travel: ~14" (with air assist)
    3hp spindle with high/low range 150-400 rpm
    VFD with software rpm and fwd/rev control
    2832 ozin (.72kw) NEMA42 3phase Easy Servos
    50mm x 5mm pitch (2:1 reduced) ballscrews XY
    20mm x 5mm pitch (1.5:1 reduced) Z
    Step resolution sub 0.00001
    Rapids: max 300ipm (set 200ipm)
    Chip containment enclosure
    Software controlled flood cooling
    Software controlled mist and/or air cooling
    Home +/- limit inductance sensors
    OEM manual included (copy)
    One shot lube pump (manual) (electric available)
    Power: 230VAC 30A 1ph
    ~30 end mill, shell mill and drill tool holders, including numerous collet hlders
    ~5200 lbs.

    Machine is currently running on WinCNC control (CNC-PC & monitor included) but can be swapped to Centroid control (buyers option)
    $12,000 including machine bolted to skid and fork lift available to load. Pickup or shipping at buyers expense. Delivery available
    Includes full day of operational training. for more info.

    Click image for larger version. 

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    Last edited by Gary Campbell; 12-03-2019 at 1:21 AM.
    Gary Campbell
    CNC Technology & Training

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