B24B13/0037

APPARATUS AND METHOD FOR PROCESSING OPTICAL WORKPIECES
20220040811 · 2022-02-10 ·

The present invention relates to an apparatus for processing optical workpieces, having a working space, wherein workpiece spindles for receiving and holding the optical workpieces and tool spindles with processing tools receivable thereon for processing the optical workpieces are arranged in the working space, wherein the tool spindles are arranged rotatably about their center axis, wherein the tool spindles are arranged linearly movably along their center axes. It is provided that at least two pairs of tool spindles are provided, that at least one device for rotational drive is provided for the at least two pairs of tool spindles, that at least one device for linear drive is provided for the at least two pairs of tool spindles along their center axes. The present invention further relates to a method for processing optical workpieces.

PROCESSING SYSTEM FOR PROCESSING SPECTACLE LENSES
20210170540 · 2021-06-10 ·

A processing system for processing spectacle lenses and a method for processing spectacle lenses are proposed. The processing system has several processing stations, in particular a milling station, a turning station, a polishing station, a cleaning station and/or a signing station. Furthermore, the processing system has a transport system for transporting the spectacle lenses and/or transport containers for the spectacle lenses. Preferably, the processing system also has a common base frame and/or a common casing for the processing stations. In the processing system and/or with the method, several spectacle lenses can be processed simultaneously in different processing stations.

Production system for spectacle lenses

Disclosed is a production system for spectacle lenses made from spectacle lens blanks, having a left-hand outer transport track, multiple left-hand processing devices which are arranged on the left-hand side next to the left-hand outer transport track, a right-hand outer transport track, and a central transport track which is arranged between the left-hand outer transport track and the right-hand outer transport track. The transport direction of the left-hand outer transport track and the transport direction of the right-hand outer transport track are identical, and the transport direction of the central transport track is opposite to the transport directions of the left-hand outer transport track and the right-hand outer transport track or can be reversed. The multiple right-hand processing devices are arranged on the right-hand side next to the right-hand outer transport track. A processing device pair made of left-hand and right-hand processing devices is paired with a transfer device.

Manufacturing method for manufacturing a spectacle lens, spectacle lens and lens design method

A manufacturing method for manufacturing a spectacle lens is disclosed. The method includes: obtaining prescription data descriptive of an ophthalmic prescription of a user in the plus prescription range; obtaining frame data descriptive of a perimeter of a spectacle frame in which the lens is to be mounted; providing a lens blank having a convex front surface and a back surface; determining a final cutting surface to be machined on the back surface of the lens blank in a final cutting phase; and determining an intermediate cutting surface to be machined on the back surface of the lens blank in an initial cutting phase. Further, it is provided that the intermediate cutting surface is different from the final cutting surface; and the final cutting surface comprises a prescription zone in which the final cutting surface together with the front surface fulfills the ophthalmic prescription of the user.

System and method for processing of optical lenses
10781050 · 2020-09-22 · ·

A system and a method for processing of optical lenses in which the processing takes place by means of different processing apparatus between which there is a respective transfer apparatus. The transfer apparatus are used both for longitudinal and also cross conveyance. Each processing apparatus has its own conveyor apparatus which is controlled by the processing apparatus itself. The transfer apparatus are controlled by a central transfer control.

MANUFACTURING METHOD FOR MANUFACTURING A SPECTACLE LENS, SPECTACLE LENS AND LENS DESIGN METHOD

A manufacturing method for manufacturing a spectacle lens is disclosed. The method includes: obtaining prescription data descriptive of an ophthalmic prescription of a user in the plus prescription range; obtaining frame data descriptive of a perimeter of a spectacle frame in which the lens is to be mounted; providing a lens blank having a convex front surface and a back surface; determining a final cutting surface to be machined on the back surface of the lens blank in a final cutting phase; and determining an intermediate cutting surface to be machined on the back surface of the lens blank in an initial cutting phase. Further, it is provided that the intermediate cutting surface is different from the final cutting surface; and the final cutting surface comprises a prescription zone in which the final cutting surface together with the front surface fulfills the ophthalmic prescription of the user.

APPLICATION DEVICE AND METHOD TO CLEAN GRINDING SURFACES IN A MACHINE FOR GRINDING OPHTHALMIC LENSES
20200130125 · 2020-04-30 ·

An application device is configured to clean grinding surfaces in a machine for grinding ophthalmic lenses, the application device including: a central portion having so as to mount the application device in the grinding machine; and a peripheral edge configured to receive an application surface to cooperate with the grinding surface of the grinding wheel so as to clean the grinding surface. It also relates to a cleaning kit including an application device and a cleaning solution, and to a method for cleaning grinding surfaces.

A processing apparatus for elliptical annular optical glass
20200086449 · 2020-03-19 ·

The invention discloses a processing apparatus for elliptical annular optical glass, including a processing box, wherein the processing box is provided with a processing chamber with an opening forward, a sliding block is slidably mounted in the processing chamber, and the second motor passes through the power rod The disc is driven to rotate forward, and the disc drives the scriber to rotate through the connecting block. After the scribing mechanism completes the scribing of the glass, the sliding block moves downward through the first motor, and the sliding block moves downward to remove the excess glass. No manual operation is required, and the manual operation of the broken glass is avoided. The polishing block in the polishing mechanism polishes the glass to ensure that the glass is not scratched when the glass is manually removed, and is slid when the glass is large.

Device for fine processing of optically effective surfaces on, in particular, eyeglass lenses

A device for fine processing of optically effective surfaces on workpieces has a workpiece spindle which protrudes into a working space and by which a workpiece to be polished can be rotationally driven about a workpiece axis of rotation. Two tool spindles are associated with the workpiece spindle and protrude into the working space oppositely to the workpiece spindle. On each tool spindle, a polishing tool can be rotationally driven about a tool axis of rotation and is retained so that the polishing tool can be axially advanced along the tool axis of rotation. Furthermore, the tool spindles can be moved together in relation to the workpiece spindle along a linear axis extending substantially perpendicularly to the workpiece axis of rotation and can be pivoted about different pivoting adjustment axes, which extend substantially perpendicularly to the workpiece axis of rotation and substantially perpendicularly to the linear axis.

Apparatus for processing edge of eyeglass lens
10576600 · 2020-03-03 · ·

Disclosed is an apparatus for processing a lens edge. The apparatus comprises: a wheel-shaft-moving rotating member whose one end is fixed to a fixing frame by a moving-shaft, for moving pivotally about the moving-shaft; a wheel-shaft mounted on the other end of the wheel-shaft-moving rotating member, for moving pivotally with the wheel-shaft-moving rotating member and for being rotated by driving a wheel-rotating motor; and a cutter for processing the lens edge into a form of a step/incline shape, the cutter being coupled to one end of the wheel shaft to move with the wheel-shaft to contact the lens edge, and rotated with the wheel shaft to cut the surface of the lens, and the cutter comprising a rotating body inserted into the wheel-shaft to rotate with the wheel-shaft, and at least one cutting projection formed on the circumference of the rotating body to cut the edge and the periphery of the lens.