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CNC Internal Grinding Machines
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T-11LA CNC Internal Grinding Machines, Centerless Type

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T-11LA Internal Grinding Machines, Centerless Type
Two options are available to provide optimal grinding results: one using a shoe and a magnetic chuck and the other a workpiece support system with one shoe and two rollers. There are also two options for the internal surface: straight and radius form.

  • T-11LA78: Centerless CNC internal grinding machine featuring a workpiece support system with one shoe and two rollers. Oscillation and plunge options are available.
  • T-11LA88: Centerless CNC internal grinding machine featuring a workpiece support system with two shoes and a magnet. Oscillation and plunge options are available.
  • T-11LA88(OG): Uses a workpiece support system with two shoes and a magnet. A compact machine with external grinding capability for machining the external surfaces of CVJ gauges.
T-11LA Internal Grinding Machines, Centerless Type
Main Specifications T-11LA78 T-11LA88 T-11LA88
(OG)
Grinding Method NC Oscillation or plunge   Plunge NC Oscillation or plunge Plunge Plunge
Grindable Work O.D Φmm 6 to 40 12 to 62
Grindable Work Width mm 5 to 25 5 to 40
Grindable Work I.D. Φmm 6 to 35 6 to 58 -
Grindable Groove Radius mm - 0 to 6 - 0 to 6 -

T-11LA78 Application
Spider cap inner & end faces grinding
Applications
 Φ21×W22.3 mm
Φ21 End face
Roundness 2.78 µm
Surface roughness bore 1.98 µmRz
Surface roughness end face 2.78 µmRz
Cycle time 16.2 sec

T-11LA88 Application
Hub bearing outer ring raceway grinding
Applications
 Φ47×W20.6 mm
R = 4.1 mm
Roundness O.D.+0.38µm
Raceway Form 0.9 µm
Cycle time 11.9 sec

T-11LA88(OG) Application
CVJ Ball cage external grinding
Applications
 SΦ70×35 mm
Roundness 5.4 µm
O.D. Form 4.4 µm
Surface roughness 4.3 µmRy
Cycle time 18 sec

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