Machine tool control system and machine tool control method, and

Details Machine tool control system and machine tool control method, and Machine tool control system and machine tool control method, and

1998-07-30

2000-03-21

Masih, Karen

Electricity: motive power systems

Plural diverse motor controls

Acceleration control

318434, 318779, 318433, 318848, 31856821, 318570, 318 64, 318 90, 318278, 364565, H02P 100

Patent

active

060406666

ABSTRACT:
A machine tool has a spindle with a tooling body mounted thereon, a detector for detecting an acceleration time for the tooling body to reach from a rotation start to a predetermined rpm, a controller for controlling an rpm of the spindle under a lowered limit when the acceleration time is longer than a reference time. Another detector detects an asymmetricity of radial forces acting on the spindle, and the controller controls the rpm of the spindle under a lowered limit when the asymmetricity of radial forces exceeds a reference degree.

REFERENCES:
patent: 4132368 (1979-01-01), Schiess et al.
patent: 5194793 (1993-03-01), Niimi
patent: 5682334 (1997-10-01), Plutowski et al.
patent: 5834913 (1998-11-01), Yoshida et al.

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