A workpiece positioning system integrated with a fume extraction device, the system including a movable work surface assembly including at least one work surface; at least one divider extending upward from the at least one work surface dividing the at least one work surface into a plurality of work zones in which a welding operation is performed, the divider including a collection assembly comprising a first ventilation port on a first side of the divider opening toward a first work zone of the plurality of work zones and a second ventilation port on a second side of the divider opening toward a second work zone of the plurality of work zones formed by the divider; wherein at least one of the first and second ventilation ports are selectively placed in fluid communication with the fume extraction device to draw fume from at least one of the plurality of work zones.

A horizontal five-axis turning plate type machining center includes a support base, a lathe bed arranged on the support base and a column arranged on the support base, wherein the lathe bed and the column are fixedly connected through a connecting arm, a turning plate device is arranged on the support base, an X-direction sliding plate capable of sliding in an X direction on the lathe bed is arranged on a side, facing the column, of the lathe bed, and a third driving unit capable of driving a workbench to perform position conversion between a turning plate and the X-direction sliding plate is arranged on the turning plate.

A horizontal five-axis turning plate type machining center includes a support base, a lathe bed arranged on the support base and a column arranged on the support base, wherein the lathe bed and the column are fixedly connected through a connecting arm, a turning plate device is arranged on the support base, an X-direction sliding plate capable of sliding in an X direction on the lathe bed is arranged on a side, facing the column, of the lathe bed, and a third driving unit capable of driving a workbench to perform position conversion between a turning plate and the X-direction sliding plate is arranged on the turning plate.

An ophthalmic lens processing apparatus is provided that includes a housing, a support structure, and ophthalmic lens processing components configured to perform an ophthalmic process on an ophthalmic lens. The housing includes a case and a user access member. The support structure includes a support plate received within and movably connected to the case. At least one of the ophthalmic lens processing components is mounted to and movable with the support plate. Also provided is a method of improving user accessibility to the at least one ophthalmic lens processing components of the ophthalmic lens processing apparatus.

A workpiece change for use in a machine tool that comprises a tool spindle for clamping tools for machining workpieces, comprises two wheels arranged parallel to one another and rotatable about an axis of rotation into at least two prominent angular positions. Two swivel tables for clamping workpieces are arranged between the wheels and are each mounted on the wheels to swivel about a swivel axis which runs parallel to the axis of rotation. In each prominent angular position, one of the swivel tables is located in its working position in which clamped workpieces can be machined with the tools. Both wheels are supported at their rim.

A workpiece change for use in a machine tool that comprises a tool spindle for clamping tools for machining workpieces, comprises two wheels arranged parallel to one another and rotatable about an axis of rotation into at least two prominent angular positions. Two swivel tables for clamping workpieces are arranged between the wheels and are each mounted on the wheels to swivel about a swivel axis which runs parallel to the axis of rotation. In each prominent angular position, one of the swivel tables is located in its working position in which clamped workpieces can be machined with the tools. Both wheels are supported at their rim.

An improved numerical control tool machine is described comprising: a table turnable about anin usevertical axis, N processing stations, N2, arranged around the table, a support for a workpiece, the support being connected to the table for reaching in sequence the N stations and making the piece be processed thereat, comprising locking members for retaining the piece on itself during all the operations performed at the N stations, means (50, 60) for connecting the support to the table or releasing it depending on the state of a control input.

In a device for swivelling, turning and changing pallets on a horizontal machining center, with swivel arms that can be synchronously swiveled about a swivel axis, each of them having a pallet carrier turnable around a turning axis, for docking and undocking of at least one pallet, which can be connected to a power supply that also provides a vacuum for fixing the workpiece; on the pallet carrier, a power supply interface connected with the power supply via the swivel arm is provided which can be moved along.

In a device for swivelling, turning and changing pallets on a horizontal machining center, with swivel arms that can be synchronously swiveled about a swivel axis, each of them having a pallet carrier turnable around a turning axis, for docking and undocking of at least one pallet, which can be connected to a power supply that also provides a vacuum for fixing the workpiece; on the pallet carrier, a power supply interface connected with the power supply via the swivel arm is provided which can be moved along.

A method for the production of workpieces includes positioning and holding a first plate-shaped material with a gripping device in a working region of a processing station so that the first plate-shaped material is moveable relative to a workpiece support, positioning and holding a second plate-shaped material with an additional gripping device in the working region of the processing station so that the second plate-shaped material is moveable relative to the workpiece support, producing a first workpiece part from the first plate-shaped material, positioning the first workpiece part with respect to the second plate-shaped material, connecting the first workpiece part to the second plate-shaped material or to a second workpiece part produced from the second plate-shaped material, wherein the second workpiece part is at least partially processed, and finishing the at least the second workpiece part that is connected to the first workpiece part in the processing station.