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

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

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T-117N Processing example
Taper roller bearing outer ring internal grinding
Applications
 Φ83×W19 mm
Roundness Outside diameter+0.32 µm
Surface roughness 0.44µmRa
Cycle time 17 sec
Taper roller bearing inner ring internal grinding
Applications
 Φ58×W29.5 mm
Roundness Outside diameter+0.47 µm
Surface roughness 1.44µmRz
Cycle time 27.5 sec

T-157N Processing example
Double-row taper roller bearing outer ring internal grinding
Applications
 Φ67.9×W35 mm
Roundness Outside diameter+0.65 µm
Surface roughness 1.6 µmRa
Cycle time 25.8 sec
Double-row angular bearing outer ring internal grinding
Applications
 Φ64.9×W37 mm
Roundness ≒O.D.
Raceway Form 1.75 µm
Surface roughness 1.89 µmRz
Cycle time 20.2 sec
CVJ Ball cage internal grinding
Applications
 SΦ56×W33 mm
Roundness 5 µm
Surface roughness 1µmRmax
Cycle time 27 sec
Angular bearing outer ring internal grinding
Applications
 Φ56.7×W6 mm
Roundness Outside diameter+0.4 µm
Surface roughness 1.7µmRz
Cycle time 23 sec

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