Rottler F79A

Multi-Purpose CNC Machining Center




Machine Operations

  • Automatic Tool Changer
  • Block Surfacing
  • Blue Print Boring
  • Boring & Sleeving
  • Circular Interpolation
  • Connecting Rod Boring
  • Cylinder Boring
  • Cylinder Head Resurfacing
  • Lifter Boring
  • Line Boring
  • Multi Purpose CNC (Custom Parts)
  • Thrust Cutting

  • Applicable Industries

  • Diesel Rebuilder
  • Drag Racing
  • Earth Moving
  • Marine Workboat
  • Oil & Gas
  • Performance Racing
  • Remanufacturing
  • Tractor Pulling
  • Vintage Engine Rebuilding

  • PDF Resources

    F79A Brochure
    F60 F70 Series Locator Catalog
    F79A Optional Equipment Catalog
    F70 Series Optional Equipment Catalog

    We at Rottler have been designing and manufacturing machines since 1923 and we used those 89 years of experience to produce a new class of machine intended for both the small to medium size diesel engine rebuilder and the performance racing engine builder. 

    These versatile machines are able to perform common jobs such as boring/sleeving, surfacing (heads and blocks), main and camshaft line boring, and general industrial CNC machining with Rottler CAM software.

    Our latest CAD Software (featured in the F79A and several of our other models) allows our tools to incorporate many functions and roles in one multi-purpose machining center, providing the diversity of many different machines in one  package.

    The F70 Series completes the range of Rottler Machinery that exists today.

    For more information: See brochure or contact us at +1 (253) 872-7050
    • Windows Touch Screen Operating System – Rottler uses Windows Touch Screen Technology on a 19" touch panel. The Windows software has many advantages such as it's common user interface that is easy to learn and fast to operate.
    • Internet Support & Connectivity - Rottler offers internet support and video conferencing direct from your machine to the factory. This feature gives you instant, direct contact with Rottler right on the machine without making a phone call. Skype and a webcam come pre-installed so that Rottler Technicians see what you see. This saves a tremendous amount of time for training and troubleshooting. Shop busy or too noisy for talking? Skype provides you messaging capabilities with Rottler Technicians.
    • Automatic Tool Changer - Automatic Tool Changing System available for production machining applications.
    • Traveling Column Design - Allows stationary work piece for increased accuracy.
    • Extra Height Capacity - Easily handle medium size diesel blocks for
      increased versatility.
    • Large Turcite Coated Box Ways - Turcite coated bedways for reduced friction, longer life and better accuracy.
    • Extra Long T-slot - Work Table for dual workstations and increased versatility
    • World Standard CAT40 Spindle - For fast tool changing and worldwide versatility.
    • Sliding Quill Spindle Design -  For deep hole machining required for block work.
    • Servo Motors - Offer maximum torque and performance throughout the RPM range for precise accuracy and increase productivity.
    • Single Phase 208-240V - For power efficiency that saves electrical running costs.
    • Automated Workhead Tilting System - Provides superior surface finish.
    • Extra Long T-slot Work Table - for Dual Workstations and Large Blocks for increased versatility.
    • Direct Drive Precision Ball Screws - Give long trouble free life and accurate movement.
    For more information: See brochure or contact us at +1 (253) 872-7050
    • CNC (Computer Numerical Control) Machine using Windows Operating System and Industrial PC with Intel Processor. Precision Programming and Control  thru a 15" (400mm) Computerized Touch Screen.
    • Software options available for Programmable & Automated Cycles such as Boring, Surfacing, Lower Sleeve Offset Boring, Water Hole Repairs, Main & Cam Line Boring, General CNC Machine Work
    • USB flash drive for file transfer to and from computer
    • Internet connection to the machine computer must be provided for training support and service.
    • Machine/Computer can operate in either inch or metric system
    • 3 Axis movement by Direct Drive Precision Ball Screws
    • All motors - AC Servo Motors - Infinitely Variable    
    • Horizontal Movement (X Axis) - Left and Right Direction – 72” (1830mm)
    • Horizontal Movement (Y Axis) - In and Out Direction – 12” (305mm)
    • Vertical Movement (Z Axis) - Up and Down – 18” (457mm)
    • Vertical, Horizontal and Spindle Load Monitoring for Fast Overload Shut Down
    • Precision Position Display in .0001" (.002mm) Resolution.
    • Electronic Handwheel for manual movement - per click: Coarse Mode .01" (.25mm) Medium Mode .001" (.01mm) Fine Mode .0001" (.002mm)
    • Infinitely Variable Feedrates adjustable by handwheel during automatic cycles
    • High Performance Spindle Rotation AC Brushless Servo Motor and Drive System
    • Hard Chromed Precision Spindle with High Speed Angular Contact Bearings
    • CAT40 Spindle Taper with Pneumatic Quick Change Tool System
    • Fast Rapid and Jog Speeds for Reduced Cycle Time
    • Automatic Workhead Tilt System for Back Clearance during Surfacing
    • One Piece Heat Treated Mehanite Cast Iron Machine Castings
    • Air Pressurized Column for Less Friction and Accurate Positioning
    • Turcite Coated Slideways for Low Friction and Extended  Life
    • Automatic Central Lubrication System monitored by computer
    • Halogen Work Light (mounted)
    • Chip Guard with Adjustable Pivot Arm
    • Operation, Programming and Spare Parts Manual - Digital
    Rottler Exclusive Touch Screen Programing
    The conveniently located control pendent centralizes the machine controls. Only the buttons and interactive menus required for a particular machine operation are displayed. Machine operations can easily be done manually or automatically, with the ability to store programs in memory. Digital readout allows the operator to accurately monitor position at all times. Control operates in metric and inch systems.

    Fully Programmable Cycles

    Conversational 3 axis CNC control, PC based with Windows Operating System.

    Dimensions and Control through Touch Screen:
    • Program Bore Centers, Exact Depth, Speed, Feed, etc.
    • Machines complete bank or main line in Automatic Cycle.
    • Lower Offset Boring allows lower sleeve repair in Automatic Cycle.
    • Circular Interpolate Counterbores for Radius Undercut or Wide Counterbores.
    • Surfacing/Milling – Multiple Pass – program for Rough Cut and Finish Cut for superior surface finish.
    • Line Boring – program the bearing bores and length of each bore and the machine automatically moves from bore to bore, completing the line unattended.
    • Face Main Line Thrust Faces square to centerline of Crankshaft using Rottler Circular Interpolation software.
    For more information: See brochure or contact us at +1 (253) 872-7050
    F79A Machine Specifications American Metric
    ControlAutomatic
    Touch Screen15"381mm
    Machine Weight10000 lbs4845 kg
    Machine Height118"2989mm
    Table - Size91.6" x 22.6"2325 x 575mm
    Table - T Slots5
    Travel - Horizontal (X Axis)72"1829mm
    Travel - In/Out (Y Axis)14"355mm
    Travel - Vertical (Z Axis)18"457mm
    Travel - Spindle Nose to Table40.44"1027mm
    Travel - Spindle Center to Column21.7"551mm
    Spindle - TaperCAT 40
    Spindle - Diameter3.8"96.5mm
    Spindle - Rotation Speed0 to 2000 RPM
    Spindle - Motor6 HP4.5 Kw
    Tool ChangerOptional
    Cylinder Bore Range (with Optional Cutterheads).75" - 7"19 - 178mm
    Line Bore Range (with Optional Cutterheads)1.9" - 5.9"48.5 - 150mm
    Surfacing Cutterhead Diameters10", 14", X" & X"250, 360, X & Xmm
    Dimensions - Machine69D x 153W x 118" H 1745D x 3877W x 2989mm H
    Dimensions - Floor Space Requirements94D x 153W"2388D x 3877Wmm
    Dimensions - Shipping64D x 102W x 112" H 1626D x 2591W x 2083mm H
    Electrical Requirements208-240V, 40A, 50/60Hz, 1Ph
    Air Requirements1 cfm @ 90 psi28 l/min @ 6 bar
    Paint Color CodeRAL9002 (Grey White)
    List below is a sample of the many Fixtures and Accessories available. Please refer to a brochure, speak with your local Representative or contact us direct for more information.

    Automatic 4th Axis Block Roll Over Fixture

    Rottler’s Universal Quick Load/Unload Automatic Rotate 4th Axis Fixture and Software allows the computer to rotate the block or cylinder head during the automatic machining cycle. Large V blocks can be rotated 360 degrees to allow special machining jobs such as stroker clearancing in same set up as boring,  surfacing and lifter bore machining. The tail stock is pneumatically operated  allowing easy and fast loading and unloading of heavy blocks.

    Connecting Rod Fixtures
    Rottler’s patented Connecting Rod Fixtures allow large connecting rods to be surfaced and bored on the F79A machines. The Rottler boring fixtures allow both big end and small end to be bored in one set up resulting in perfect  parallelism between big end and small end. All the rods in a set can be  accurately bored for equal center to center distance, a must for today’s high compression diesel engines. Special heavy duty fixtures available for boring  very large, heavy connecting rods found in natural gas compressors and  workboat marine engines are available.

    Dual Axis Leveling Table
    Rottler’s patented dual axis leveling table and universal quick clamping system
    for surfacing/milling heads, blocks and manifolds with CBN and PCD tooling. The Rottler Dual Axis Leveling Table allows clamping of the head to be  complete first, then the level adjusted in both directions simply by rotating the two hand wheels. Combined with Rottler's Dual Axis Level, any job can be clamped and leveled in seconds! This process results in minimum stock removal when surfacing.

    For more information: See brochure or contact us at +1 (253) 872-7050