5 Axis Hybrid Mill At Onsrud,the term "fixed bridge" means cast iron. Simply put, cast iron just has a better ability to absorb and dampen cutting vibrations, while steel will tend to amplify and transmit these oscillations to the rest of the frame. When you are cutting man-made materials most of the time, a heavy, Pro Series will get the job done. But, if your primary materials are solid wood or non-ferrous metal (both of which create significantly more vibrations), then you definitely want the additional dampening ability of a cast iron frame.  You'll quickly find that the cast iron frame design of the "Super Duty" Series will not only contribute to the overall weight, mass, and rigidity of the machine, but will also promote faster feed rates, better finishes, longer tool life and less maintenance.

A cast iron frame design will usually cut much deeper per pass, machines much faster, and maintains a better finish. It simply out-produces all other designs – making you more money in the process. The stationary bridge is positioned across the width of the tables – a design which only uses half of the floor space of a typical "Tubular Fixed Gantry" machine. Independently configured tables on the Onsrud Super Duty can be loaded and/or off-loaded, without interrupting the cutting cycle on the opposite table, offering you the advantage of 100% cutting time (pendulum processing).


    6-Pole, reversible, 20,000 RPM High Torque Spindle

    HSK-63F Spindle Taper and Tool Holders, with 1 inch (25mm) collet capacity

    Over 24 Inches of Z-Axis Clearance & 29 inches of Z-Axis stroke standard

    Finite Element Analysis used Extensively in the Engineering Process

    Thermal Heat Treated, Stress Relieved, & Normalized One-Piece Steel Machine Base

    Std. 12 Position, Aggregate Ready, Dynamic Automatic Rotary Tool Changer

    Single Aluminum Moving Table Design for Loading and Unloading Efficeincy

    Compact Design Saves Valuable Shop Floor Space

    C.R. Onsrud High-Flow Universal Vacuum Table System with Low Vacuum Sensing

    Independently Controlled Vacuum Zones

    Comes Equiped with Choice of Flow Through or Dedicated Spoil Board

    OSAI 10/510 CNC Controller with Integrated Touch Screen PC (Fanuc option available)

    4-Port Ethernet Connection, USB, and Serial Connectivity, for Easy Network Integration

    Full 3D capability, Helical Interpolation, and Simultanious 5-Axis Motion Standard

    And many more options or accessories available!


    Model Number



    Number of Axes

    Table Size

    Z Clearance

    X-Axis Travel

    Y-Axis Travel

    Z-Axis Travel

    Approx. Footprint

    Machining Speed

    X & Y Rapid Traverse

    Standard Spindle

    Tool Shank

    Standard Tool Capacity

    Standard Vacuum Zones

    5 5
    61” X 98” 74” X 148”
    36” 36”
    62” 174”
    98” 148”
    41” 41”
    10’ X 15’ 10’ X 19’
    3000 ipm 3000 ipm
    4200 ipm 4200 ipm
    25HP 25HP
    4-Pole, 22,000 rpm 4-Pole, 22,000 rpm
    HSK 63F HSK 63F
    24 24
    2 2

    * HSK 63A spindle is available on either model.





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