Abstract: A device for blocking eyeglass lenses onto blocks using a bonding mass, by which the eyeglass lens is connected to the block in a form-fit and/or force-closed manner, having several stations, between which the eyeglass lens and/or the block is transported, at least one blocking station, in which the block is connected to the eyeglass lens using the bonding mass, a transport arm having a retaining head arranged thereon for positioning the eyeglass lens in the blocking station, wherein the transport arm is designed as a pivot arm and has at least one pivot axis (S1), by means of which the transport arm and the retaining head can be moved between at least two stations, and at least one conveying arm having a retainer for the block or an eyeglass lens, wherein the conveying arm has a pivot axis (S2), which is arranged parallel or coaxial to the pivot axis (S1) and by which the retainer can be moved between at least two stations.

Abstract: A method for placing an optical lens, with a first side and a second side, on a block piece for holding the optical lens and which has a coupling part for holding the block piece in a workpiece chuck and with a holding part for fastening the lens. The holding part has a convex or concave holding surface corresponding to a first side of the lens. The holding surface is, according to the shape of the lens to be held, provided in the form of a negative free-forming surface, and the block piece is made from a plastic that can be machined.

Abstract: A block piece for holding an optical lens to be machined, with a coupling part for being held in a workpiece chuck and with a holding part for fastening the lens. The holding part has a convex or concave holding surface corresponding to a first side of the lens. The holding surface is, according to the shape of the lens to be held, provided in the form of a negative free-forming surface, and the block piece is made from a plastic that can be machined.

Abstract: A polishing device for zone polishing of optical lenses with a tilting base part for direct or indirect holding of a polishing pad, wherein the base part for driving purposes is rotationally driven and connected to a spindle shaft, rotationally mounted, of a polishing spindle, and a rotary leadthrough is provided, by which the feeding of polishing compound in a polishing compound channel of the base part is assured, wherein the rotary leadthrough is directly or indirectly arranged on the spindle shaft and the base part can tilt relative to the rotary leadthrough. The rotary leadthrough stands in a flow connection with the base part via a flexible fluid connection.

Abstract: A measuring assembly for measuring an inside of a lens frame of a spectacle frame, said lens frame at least partially delimiting an inscribed surface area F that corresponds to a lens shape, comprising a holding device for mounting the spectacle frame, at least one light source for generating a light beam to be projected on a region of the lens frame to be evaluated, and at least one sensor that can be coupled to an evaluation unit for detecting the reflected light beam, wherein the holding device can be rotated about a rotational axis r and moved in the direction of a movement axis x, and the movement axis x comprises at least one movement component in a direction perpendicular to the rotational axis r. The holding device is used to fix the spectacle frame by spectacle frame bows, wherein at least one free space is provided in the region of the holding device, said free space being used to receive the spectacle frame bows of a spectacle frame to be held which are not folded in or cannot be folded in.

Abstract: A polishing head for use in a polishing machine for optical surfaces, having an axis of rotation and a base body having a holding structure intended to be arranged at a polishing spindle and having a transport element intended to be held at a tool change arm, the transport element being positionable against a holding element of the tool change arm in order to perform a tool change, wherein at least one locking element is provided which can be positioned against the tool change arm such that a positive and/or non-positive joint results.

Abstract: A polishing head for use in a polishing machine for optical surfaces, having an axis of rotation and a base body having a holding structure intended to be arranged at a polishing spindle and having a transport element intended to be held at a tool change arm, the transport element being positionable against a holding element of the tool change arm in order to perform a tool change, wherein at least one locking element is provided which can be positioned against the tool change arm such that a positive and/or non-positive joint results.

Abstract: A polishing device for polishing optical lenses having a tiltable base part for directly or indirectly receiving a polishing plate, which base part is connected to a polishing spindle having an axis of rotation D in order to be rotationally driven, wherein a rotary joint for supplying a polishing agent is provided, which rotary joint is at least partly arranged opposite said polishing spindle, relative to the base part, and a coupling element is provided by means of which the rotary joint can be detachably push-fitted or clipped onto a polishing spindle. A method for polishing selected zones of aspherical lenses which are not rotationally symmetric using a polishing plate which is guided by a polishing spindle so as to be tiltable, wherein during polishing, a polishing agent is introduced between said polishing plate and the lens via a rotary joint arranged between said polishing spindle and said polishing plate.

Abstract: A highly dynamic lens processing machine with a machine bed having at least a first tool holder and one workpiece holder with an axis of rotation and including a workpiece spindle arranged thereon. The first tool holder includes at least one dynamic linear drive with a first oscillation axis which runs parallel to the axis of rotation. The workpiece holder includes at least one dynamic linear drive in the direction of a second oscillation axis which is arranged parallel to the first oscillation axis.

Abstract: The invention refers to a polishing tool for optical lenses with at least one polishing pad adaptable at least partially to the shape of a lens surface of said lenses and drivable by means of a drive shaft, said polishing pad having a membrane, wherein said polishing pad can transmit a bearing force of said membrane at least in an orthogonal direction relative to a lens surface. Moreover, the polishing tool comprises a reinforcing member connectable to said membrane, said reinforcing member being dimensionally stable in a parallel direction relative to a surface of said membrane and being flexible and/or pliable in an orthogonal direction relative to the surface of said membrane, wherein at least one pressure pad with a pressure membrane is arranged within said polishing pad, wherein said pressure membrane can be made to bear and/or can be prestressed against said membrane or said reinforcing member in an indirect or in a direct manner.

Abstract: A highly dynamic lens processing machine with a machine bed having at least a first tool holder and one workpiece holder with an axis of rotation and including a workpiece spindle arranged thereon. The first tool holder includes at least one dynamic linear drive with a first oscillation axis which runs parallel to the axis of rotation. The workpiece holder includes at least one dynamic linear drive in the direction of a second oscillation axis which is arranged parallel to the first oscillation axis.