ROTTLER SG80MTS (Artikelnummer: rottler_sg80mts)

The Rottler SG80 series were created specifically for machine shops that rebuild small to large cylinder heads found in the heavy duty engine industry. Large cylinder heads come in many shapes and sizes, from 24 valve single casting cylinder heads to huge single cylinder heads used in natural gas, mining and marine workboat engines. We put our trusted engine block machining technology to work designing a heavy duty machine that handles many operations required on a wide variety of cylinder heads. 

At Rottler we believed that many large cylinder heads could be "plunge cut" with fixed tooling to save time and money. We realized that plunge cutting would require a very rigid machine utilizing many of our already established design features such as Rottler's exclusive spindle design.

Over the decades, Rottler's spindle design has proven that our engine block machines are able to "plunge cut" wide counterbores found in large engine blocks with exceptional results. We used this spindle design for the
SG80MTS and it has since been proven that the SG80MTS is capable of plunge cutting large valve seats very quickly and with excellent CONCEN and surface finish.The machine has 2 modes of operation:
MANUALMATIC – a brand new concept has been added to these machines which should increase productivity by 30-50%. During seat cutting, the operator does not have to operate any buttons or switches, simply turn the spindle feed steering wheel up and down and the control takes care of all the functions like workhead float/clamp, pilot centering in the valve guide and spindle on/off. When depth of seat is reached, the control automatically changes spindle RPM to high/finish speed to give equal depth of every seat and consistent surface finish results.

MANUAL – the buttons on touch screen are the same as the previous SGM machines. There is no external dial gage, the spindle vertical position is displayed on the touch screen. Simply feed the spindle down until the cutting insert touches the valve seat, touch set zero button and then the digital display will show exactly where the spindle is at all times. The change from low to high/finishing speed is easier as there are 2 separate buttons. The foot pedal for clamp and float of workhead has been eliminated and now controlled on touch screen for manual and automatically for MANUALMATIC.

Features:

  • Proven Rottler Spindle Design 
    The large diameter precision spindle nut has an R40 taper with the Quick Change Self Locking Spindle Nut System. Tooling never comes loose and no wrenches are required to change tools. Rottlers unique Heavy Duty tooling allows large and wide Valve Seats to be machined to accurate Concentricity. Solid Carbide Pilots offer maximum rigidity and long lifefor years of precision machine work.

  • UNIPILOT Tooling 
    The UNIPILOT tooling system allows the carbide centralizing UNIPILOT to work like a live pilot. It stays in the spindle while moving from valve guide to valve guide, but all at the same time has a fixed pilot design to give improved concen. See brochure for more information.

  • 360 Degree Roll Over Fixture 
    Rottler's 360 Degree Roll Over Fixture comes standard on the SG80A. The fixture allows large 24 valve cylinder heads to be clamped with reference to their head gasket fire deck and rolled 360 degrees in one set up. The heavy duty clamping and fine adjust system allow quick leveling and rigid clamping for heavy cutting during machining. (Optional)

  • Adjustable Air Float and Air Clamp Work Table - 
    The large worktable of the SG80A consists of two 68" (1730mm) long parallels that are mounted on an air floating and air clamping base. These extra long T-slot parallels allow a wide variety of fixtures and jobs to be set up for machining. The complete table and fixture assembly is easily adjusted in/out with air float and locked rigidly with air clamping allowing cylinder heads with four valves per cylinder to be adjusted in/out and machined without resetting of the cylinder head in the fixture. Just press the foot pedal to float the table, slide in or out and the table locks in position ready for machining.

Standard Equipment:

  • MANUALMATIC Touch Screen Control allows valve seats to be cut to equal depth without the operator looking at dials or gages. The LED lights flash when the preset depth is reached.
  • Machine Work Head Floats on Air Cushion for Precision Centering - Total Travel in In/Out Direction 2.5" (678mm) and Left/Right Direction 42" 1067mm
  • Spindle Diameter 3.75" (94mm) Hardened and Ground with 10" (250mm) of Hand Wheel Vertical Travel
  • Steering Wheel for Rapid and Fine Feed Mechanism for Precise Spindle Down Feed
  • Heavy Duty Spindle with Inner Precision Angular Contact Bearings supported in Adjustable Outer Bearings
  • Spindle Rotation by 5HP (4KW) AC Motor with Vector Control - Infinitely Variable to 500RPM
  • Digital Electronic Level for Quick, precise alignment of Fixed Carbide Pilots Complete with Digital electronic level pick-up (outside mount)
  • Spindle Head Tilt - 10 Degrees to left and right
  • Rottler Automatic Tightening and Quick Release Spindle Lock Nut System for One Hand Operation for fitting and removing tooling to and from the spindle
  • Table Cross Slide operated by Foot Pedal with Air Float for Easy Adjustment for In/Out Positioning of the Fixture - Total Travel 6.5" 170mm
  • Tooling Storage Cabinet and Mounting Arm and swivels 360-degrees
  • Removable center tray for Chip Disposal
  • Built In Vacuum Tester including Hose, Hose holding Bracket, Filter and selection of pads
  • 2 LED Work lights
  • Paint Color Code: RAL9002 (Grey White)
  • Electrical requirements: 208-240, 30A, 50/60Hz, 1Ph 
  • Shipping weight 5,000 lbs. (2,273 kg)
  • Shipping dimensions: 54 X 81 X 90" H (1372 X 2057 X 2286mm H)

Specification:

Control Manual
Touch Screen 305mm
Machine Weight 2273 kg
Spindle - Taper R40 Quick Change with Automatic Lock
Spindle - Diameter 95mm
Spindle - Rotation Speed 40 to 500 RPM
Spindle - Motor 3.75 Kw
Valve Seat Diameter Range 14-210mm
Valve Guide Diameter Range 4-38mm
Cylinder Head Dimensions (with 360 degree rollover fixture)    1250L x 355W x 254Hmm
Cylinder Head Dimensions (with Parallels) UnlimitedL x 406W x 340 & 370Hmm
Spindle Travel/Stroke Vertical 254mm
Workhead Travel Horizontal - Airfloat/Airclamp 1120mm
Workhead Travel In/Out - Airfloat/Airclamp 58mm
Workhead Tilt (either side of vertical Zero) 10 Degrees
Worktable Travel In/Out - Airfloat/Airclamp 190mm
Maximum Distance from Parallels to Spindle 736mm
Dimensions - Machine 1194D x 1753W x 2108mm H
Dimensions - Shipping 1372D x 2057W x 2286mm H
Electrical Requirements 208-240V, 30A, 50/60Hz, 1Ph
Air Requirements 400 l/min @ 6 bar
Paint Color Code RAL9002 (Grey White)

 

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SG80MTS PDF Brochure Download