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T-127N,T-167N CNC Internal Grinding Machines, Centerless Type

Easily reconfigurable medium-size CNC internal grinding machines for machining medium to large bearings with external diameters from 90 to 240 mm. Designed for medium- to high-volume production. A workpiece support system with two shoes and a magnet improves productivity when machining bearings to high precision.

Main Specifications

T-127N T-167N
Grinding Method NC Oscillation or plunge Plunge
Grindable Work O.D φmm 90 to 240
Grindable Work Width mm 20 to 90
Grindable Work I.D. φmm 54 to 220

T-127N Application

Spherical bearing inner ring internal grinding

φ100 to W74 mm

Roundness 3 μm
Surface roughness 0.23 μmRa
Cylindricity 1.25 μm
Cycle time 75 sec

T-167N Application

Spherical bearing outer ring groove grinding

Sφ119 to W46 mm

Roundness 1.15 μm
Surface roughness 0.31 μmRa
Sphericity 3 μm
Cycle time 45 sec