B29C64/194

Fibre-laying machine and method for producing laid fibre scrims

A fiber laying machine for producing laid fiber scrims has a tool table for positioning a mold, said tool table being linearly displaceable in an x direction by means of an x carriage and being pivotable about a vertical pivot axis. Arranged above the tool table is a fiber laying head which is linearly displaceable transversely to the x direction by means of a y carriage. Since the fiber laying head is linearly displaceable, the arrangement of the tool table on the machine frame is comparatively easy, and so laid fiber scrims are producible quickly and efficiently. In particular, automatic loading and unloading of the tool table is easily possible.

Fibre-laying machine and method for producing laid fibre scrims

A fiber laying machine for producing laid fiber scrims has a tool table for positioning a mold, said tool table being linearly displaceable in an x direction by means of an x carriage and being pivotable about a vertical pivot axis. Arranged above the tool table is a fiber laying head which is linearly displaceable transversely to the x direction by means of a y carriage. Since the fiber laying head is linearly displaceable, the arrangement of the tool table on the machine frame is comparatively easy, and so laid fiber scrims are producible quickly and efficiently. In particular, automatic loading and unloading of the tool table is easily possible.

Method For Producing A 3-Dimensional Object And Apparatus Therefor
20230249403 · 2023-08-10 ·

The invention relates to a method for producing a three-dimensional objects by means of an additive manufacturing process in which at least one manufacturing material is fed in a free-flowing state from at least one feed-in opening of at least one feed-in needle into a supporting material and then cured, the manufacturing material being introduced in multiple layers one after the other, wherein the feed-in needle comprises at least one tool by which at least one previous layer is machined when a current layer of the manufacturing material is introduced.

Method For Producing A 3-Dimensional Object And Apparatus Therefor
20230249403 · 2023-08-10 ·

The invention relates to a method for producing a three-dimensional objects by means of an additive manufacturing process in which at least one manufacturing material is fed in a free-flowing state from at least one feed-in opening of at least one feed-in needle into a supporting material and then cured, the manufacturing material being introduced in multiple layers one after the other, wherein the feed-in needle comprises at least one tool by which at least one previous layer is machined when a current layer of the manufacturing material is introduced.

METHOD OF CONTINUOUS HIGH-SPEED 3D PRINTING

A method of providing high-speed three dimensional (3D) printing is described. The method includes producing at least one three dimensional (3D) printed part. Producing the 3D part includes continuously constructing to extend outwardly a diameter of a rotating cylindrical core via continuous deposition of a layer, and defining a first pattern in the continuously deposited layer corresponding to a cross-section of the at least one 3D printed part.

METHOD OF CONTINUOUS HIGH-SPEED 3D PRINTING

A method of providing high-speed three dimensional (3D) printing is described. The method includes producing at least one three dimensional (3D) printed part. Producing the 3D part includes continuously constructing to extend outwardly a diameter of a rotating cylindrical core via continuous deposition of a layer, and defining a first pattern in the continuously deposited layer corresponding to a cross-section of the at least one 3D printed part.

System for additively manufacturing composite structure

An additive manufacturing system is disclosed for use in fabricating a structure. The additive manufacturing system may include a print head, and a support configured to move the print head. The support may include a first link, a second link rotationally connected to the first link at a joint, and an encoder-less motor rigidly mounted to the first link and configured to drive rotation of the second link relative to the first link. The support may also include a sole encoder associated with the joint and configured to generate a signal indicative of an angular position of the first link relative to the second link. The additive manufacturing system may further include a controller in communication with the sole encoder and the encoder-less motor. The controller may be configured to selectively trim operation of the encoder-less motor based only on the signal.

3D Hot-Melt Printing Process and Arrangement

A hot-melt printing process for producing a product is provided wherein the product is built up by applying polymer plies of powder or filament to a previously produced layer and by selectively locally heating predetermined points above a sintering or melting temperature and sintering or fusing the melted points with the underlying layer, wherein the respective newly applied polymer ply and optionally at least one underlying layer is preheated to a temperature with a predetermined difference to the sintering or melting temperature by flat or migrating irradiation of short-wave or medium-wave IR radiation, and wherein the preheating of at least the newly applied polymer ply and/or the local heating above the sintering or melting temperature is carried out by means of near IR radiation, in particular with a radiation density maximum in the wavelength range between 0.77 and 1.2 .Math.m and with high power density above 200 KW/m.sup.2.

3D Hot-Melt Printing Process and Arrangement

A hot-melt printing process for producing a product is provided wherein the product is built up by applying polymer plies of powder or filament to a previously produced layer and by selectively locally heating predetermined points above a sintering or melting temperature and sintering or fusing the melted points with the underlying layer, wherein the respective newly applied polymer ply and optionally at least one underlying layer is preheated to a temperature with a predetermined difference to the sintering or melting temperature by flat or migrating irradiation of short-wave or medium-wave IR radiation, and wherein the preheating of at least the newly applied polymer ply and/or the local heating above the sintering or melting temperature is carried out by means of near IR radiation, in particular with a radiation density maximum in the wavelength range between 0.77 and 1.2 .Math.m and with high power density above 200 KW/m.sup.2.

COMPOSITE MATERIAL REINFORCED STEREOLITHOGRAPHY METHODS AND SYSTEMS
20230241835 · 2023-08-03 · ·

A method for producing a three-dimensional object on an additive fabrication device includes placing a first composite material patch on a bottom of a vessel of the additive fabrication device. The method also includes moving a build plate of the additive fabrication device whereby at least one of the build platform or a layer of at least partially cured resin on the build plate touches the first composite material patch. The method further includes irradiating resin contained inside the vessel with an energy source to at least partially cure a layer of resin integrated with the first composite material patch.