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T-1MS CNC Internal Grinding Machines, Centerless Type

This machine is an centerless internal grinder for small parts of internal diameter 1.5-16 mm supporting by 1-shoe and 2-roller.

T-1MS71
For oscillation grinding of flat internal surfaces.
T-1MS75
For plunge grinding of round groove internal surfaces.

Main Specifications

T-1MS71 T-1MS75
Grinding Method NC Oscillation or plunge Plunge
Grindable Work O.D φmm 2 to 10 4 to 22
Grindable Work Width mm 1 to 6
Grindable Work I.D. φmm 1.5 to 6 3 to 16

T-1MS71 (Miniature Bearing Inner Ring bore grinding)

φ1.5×W1.2mm

Roundness Not bigger than O.D.
Cylindricity 0.25 μm
Surface roughness 0.95 μmRt
Cycle time 6.2 sec

φ5×W3mm

Roundness O.D.+0.28 μm
Cylindricity 0.2 μm
Surface roughness 0.72 μmRz
Cycle time 4.8 sec

T-1MS75 Application (Miniature Bearing Outer Ring groove grinding)

φ3.2×W1.2mm
R=0.34mm

Roundness Not bigger than O.D.
Surface roughness 0.93 μmRt
Cycle time 7.0 sec

φ11×W3mm
R=1.06mm

Roundness O.D.+0.18 μm
Surface roughness 0.53 μmRz
Cycle time 4.9 sec