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US 12,667,919 B2Granted
Workpiece support device
AssigneeFanuc Corporation
InventorsHiroaki Akamine, Toshihiko Inoue
Life of this patent
Estimating the term…
Abstract
A workpiece support device including a base, an electrically conductive worktable rotatably supported with respect to the base, a motor, a reducer that transmits rotation of the motor to the worktable and reduces a speed of the rotation, and a metal adapter interposed between the worktable and the reducer to separate the worktable and the reducer from each other. The worktable and the adapter are electrically insulated by an insulating coating film formed by a surface treatment on a surface of the worktable or the adapter.
Claims6
A workpiece support device comprising:
- a base;
- an electrically conductive worktable rotatably supported around a rotational axis with respect to the base;
- a motor;
- a reducer that transmits rotation of the motor to the worktable and reduces speed of the rotation;
- and
- a metal adapter interposed between the worktable and the reducer at a location recessed, in a direction along the rotational axis, from an end surface of the reducer to separate the worktable and the reducer from each other,
- wherein the worktable and the adapter are electrically insulated by an insulating coating film formed by a surface treatment on a surface of the worktable or the adapter,
- wherein the reducer includes a fixed portion fixed to the base, and a movable portion disposed radially outside of the fixed portion and rotatable around the rotational axis,
- wherein the metal adapter is fixed to an annular flange surface extending radially outwardly from an outer peripheral surface of the movable portion, and
- wherein a cylindrical portion extending along the rotational axis from the worktable is configured to radially cover a part of the adapter and a part of the movable portion.
7 more elements
A workpiece support device comprising:
- a base;
- an electrically conductive worktable rotatably supported around a rotational axis with respect to the base;
- a motor;
- a reducer that transmits rotation of the motor to the worktable and reduces speed of the rotation;
- and
- a metal adapter interposed between the worktable and the reducer at a location recessed, in a direction along the rotational axis, from an end surface of the reducer to separate the worktable and the reducer from each other,
- wherein the worktable and the adapter are electrically insulated by an insulating coating film formed by a surface treatment on a surface of the worktable or the adapter,
- the motor is equipped with a toothed gear that transmits rotations of the motor to the reducer, and
- an insulating coating film is formed by a surface treatment on a surface of the toothed gear of the motor.
6 more elements
Dependencies are inferred from the claim text.