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  HOME >Machine Tool Business>CNC Internal Grinding Machines, Centerless Type>T-117N,T-157N
CNC Internal Grinding Machines
Machine Tool Business

T-117N/T-157N
CNC Internal Grinding Machines, Centerless Type

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T-117N/T-157N CNC Internal Grinding Machines, Centerless type


Centerless internal grinding machines combining high precision and high rigidity for superior productivity, featuring a workpiece support system with two shoes and a magnet. These machines have a large market share in the bearing and automobile components sectors.

The versatile CNC system and highly reliable mechanism deliver precise, efficient grinding.

T-117N/T-157N CNC Internal Grinding Machines, Centerless type
Main Specifications T-117N T-157N
Grinding Method NC Oscillation or plunge   Plunge
Grindable Work O.D Φmm 20 to 130
Grindable Work Width mm 10 to 40 10 to 25
Grindable Work I.D. Φmm 12 to 120 15 to 120

T-117N Application
Hub bearing inner ring bore grinding
Applications
 Φ28×W19 mm
Roundness Outside diameter+0.25 µm
Cylindricity 0.5 µm
Surface roughness 1.09 µmRz
Cycle time 9.9 sec

T-157N Application
Hub Bearing Outer Ring Inner Groove Grinding
Applications
 Φ57.5×W66.8 mm
Roundness Outside diameter+0.74 µm
Raceway Form 2.34 µm
Surface roughness raceway 1.8 µmRmax
Cycle time 24.3 sec
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