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Landis LT2HHe

heavy-duty
crankshaft grinder

With the ability to process crankpins and journals on crankshafts and other components up to 4.5m long, the Landis LT2HHe is the world’s largest capacity, fully-automatic twin wheelhead CBN grinding machine. It provides precision, flexibility and productivity, combined with high quality and efficiency.

heavy-duty crankshaft grinding for large applications

Designed to handle large components, the Landis LT2HHe includes all of the fundamentals you would expect from a Landis machine. Combining high flexibility and precision with reliability and throughput.

Workheads are servo-driven to improve accuracy by eliminating torsional windup and vibration. Belts, pulleys, gears and jack shafts are also eliminated, helping to reduce maintenance and downtime.

Check out our Landis LT2HHe flyer to learn more.

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    automatic loading & unloading

    The precision performance continues with hydrostatic wheelhead and cross slides, wheel spindles and workheads, as well as automatic in-process gauging, centerline correction, and taper control and adjustment.

    Loading and unloading is also automatic, ensuring parasitic time is at a minimum while reducing the health and safety risks to operators.

    RELIABILITY - FLEXIBILITY - PRODUCTIVITY

    The reliable performance of the Landis LT2HHe ensures grind cycles are handled with ease while eliminating scrap. Meanwhile, its flexible table tooling with servo-driven rack & pinion adjustment and twin wheelheads provide the adaptability to process a range of workpieces.

    Some of the many cycle options available on the LT2HHE include:

    • Finish grinding of two workpiece features simultaneously
    • Finish grinding a main and crankpin journal diameter in combined operation
    • Finish grinding other concentric diameters and thrustwalls by various sequencing of the wheelheads

    key machine features

    Stable and secure in its heavy-duty cast iron bed, the Landis LT2HHe includes a range of features that ensure a precise, high-quality finish.

    • Wear-free hydrostatic x-axis slideways for maximum stiffness, repeatability and vibration dampening
    • Linear motors for ultra-responsive and exact positioning
    • The z-axis is also controlled by a linear motor on linear rails for precision contouring and dressing

    Interested in a precision location tool that allows uniform stock removal?

    Our MicroLocate innovation enables simple and efficient finish grinding of new and remanufactured large crankshafts with a precision location tool that allows uniform stock removal. With improved location accuracy, you can save money and improve efficiency in your finish grinding operation.

    MicroLocate Tool 

    specifications

     
    Grinding capacity

    Max. component swing

    600 mm

    Max. grinding length

    4,500 mm

    Max. workpiece weight

    4,500 kg

     

    WHEELHEAD

    Wheel type

    CBN

    Max. wheel Ø

    1,000 mm

    Max. wheel width

    150 mm

    Max. wheel surface speed

    120 m/sec

    Max. spindle power

    124 kW

    B-axis swivel range

    ± 3° for tapers

     
     
    WORKHEAD & FOOTSTOCK

    Max. workhead speed

    50 rpm

    Workhead drive power

    65 kW

    Max. workhead motor torque

    1,250 Nm

    Footstock stroke

    150 mm

     

    AXES

    Linear guide ways

    Hydrostatics / Linear rail

    Grinding spindle

    Hydrostatics

    Drive

    Linear motors

     

    Dimensions

    Machine dimensions (W x D x H)

    10,000 x 4,400 x 3,514 mm

    Machine weight

    70,000 kg


     

     
    Grinding capacity

    Max. component swing

    23.6"

    Max. grinding length

    177.2"

    Max. workpiece weight

    9,921 lb

     

    WHEELHEAD

    Wheel type

    CBN

    Max. wheel Ø

    39.3"

    Max. wheel width

    5.9"

    Max. wheel surface speed

    120 m/sec

    Max. spindle power

    124 kW

    B-axis swivel range

    ± 3° for tapers

     
     
    WORKHEAD & FOOTSTOCK

    Max. workhead speed

    50 rpm

    Workhead drive power

    65 kW

    Max. workhead motor torque

    1,250 Nm

    Footstock stroke

    5.9"

     

    AXES

    Linear guide ways

    Hydrostatics / Linear rail

    Grinding spindle

    Hydrostatics

    Drive

    Linear motors

     

    Dimensions

    Machine dimensions (W x D x H)

    32.8' x 14.4' x 11.5'

    Machine weight

    154,324 lb