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T-11L CNC Internal Grinding Machines, Chuck Type

Internal grinding machines combining high precision and high rigidity for superior productivity. Their excellent performance has earned them a large market share in the household appliance and automotive sectors. Five types are available for a variety of grinding applications.

T-11L19
Basic automatic machine requiring manual loading.
T-11L57
Fully automatic machine with a large autoloader, suitable for grinding medium-size and large objects.
T-11L59
Fully automatic machine with a small autoloader, suitable for grinding small and medium-size objects.

Main Specifications

 Automatic Fully Automatic
T-11L19
(-2S)		 T-11L59
(-2S)		 T-11L57
(-2S)
Chuckable Work O.D. φmm 12 to 200 12 to 140 12 to 200
Chuckable Work Width mm 150 60 100
Grindable Work I.D. φmm 6 to 100

  • T-11L19 Application

    Connecting rod bore grinding

    φ22×W20 mm

    		 Roundness 1.1 μm
    Straightness 4.0 μm
    Surface roughness 0.7 μmRz
    Cycle time 36 sec

    Fuel puｍp Head body bore grinding

    φ28×W31.6 mm

    		 Roundness 1.25 μm
    Cylindricity 0.5 μm
    Cycle time 24.8 sec

    Synchronizing cone bore and endface grinding

    Bore：φ85×W8.5 mm
    End face：φ95 mm

    		 Roundness 3.87 μm
    Straightness 0.7 μm
    Surface roughness bore 2.94 μmRz
    Surface roughness end face 1.48 μmRz
    Cycle time 63.5 sec

    Sleeve valve bore grinding

    φ22.5×W31 mm

    		 Roundness 2.3 μm
    Cylindricity 1.0 μm
    Surface roughness 1.88 μmRz
    Cycle time 39 sec

  • T-11L59 Application

    CVJ Outer ring internal grinding

    φ70×Overall width157 mm

    		 Roundness 1.24 μm
    Sphere center position 4.0 μm
    Surface roughness 0.47 μmRa
    Cycle time 26.5 sec

    Gear bore and endface grinding

    Bore：φ86×W13 mm
    End face：φ94 mm

    		 Roundness 2.2 μm
    Straightness 10 μm
    Surface roughness bore 2.9 μmRz
    Surface roughness end face 3.2 μmRz
    Cycle time 91.5 sec

    Cylinder bore grinding (Home appliance)

    φ45×W30 mm

    		 Roundness 1.36 μm
    Cylindricity 1.0 μm
    Surface roughness 0.41 μmRa
    Cycle time 21.8 sec

    Upper bearing bore grinding

    φ14×W33 mm

    		 Roundness 0.99 μm
    Cylindricity 1.0 μm
    Surface roughness 0.27 μmRa
    Cycle time 25.8 sec