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US 10,092,956 B2Granted
Device and method for machining an optical workpiece
AssigneeSchneider GmbH & Co. KG
InventorGunter Schneider
Life of this patent
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Abstract
A device and a method for machining of a flat side of an optical workpiece. The device has two flat guides and a side guide for fluidic guidance of a spindle unit and/or a slide. A linear drive with an assigned tool is located on a slide with a turntable. Highly accurate machining is enabled.
Claims35
A device for face turning of a workpiece, comprising:
- a tool,
- a first linearly movable component for linear movement of the workpiece in a first direction of movement,
- a second linearly movable component for linear movement of the tool in a second direction of movement which is different from the first direction of movement, and
- a workpiece drive with a spindle unit, the spindle unit having a bearing part and a spindle which is rotated therein, at least one of the movable components being formed at least in part by the bearing part, and the spindle being provided with a receiver for holding the workpiece,
- wherein both movable components have at least two flat guides for providing hydrostatic guidance in a vertical direction,
- wherein at least one of the movable components has a side guide located under the movable component for providing hydrostatic guidance of the movable component laterally transversely relative to the respective direction of movement, and
- wherein the axis of rotation of the spindle is in a horizontal plane and the flat guides for vertical guidance of the first movable component extend symmetrically to said horizontal plane,
- wherein the bearing part has an at least essentially cylindrical outer contour with flat surfaces in a region of each of the flat guides.
5 more elements
A device for face turning of a workpiece, comprising:
- a tool,
- a linearly movable component for linear movement of the workpiece in a direction of movement, and
- a workpiece drive with a spindle unit, the spindle unit having a bearing part, the bearing part forming at least part of the linearly movable component and a spindle which is pivoted therein, the spindle being provided with a receiver for holding the workpiece,
- wherein an axis of rotation of the spindle is in a horizontal plane and flat guides for vertical guidance of the movable component extend symmetrically to said horizontal plane
- wherein the workpiece drive has a scale which is connected directly to the bearing part, and
- wherein the scale is clamped tightly to the bearing part only in an end region of the scale, the end region of the scale being adjacent to the receiver of the spindle.
3 more elements
Dependencies are inferred from the claim text.