B29C73/24

Tooling Assembly and Method for Aligning Components for a Powder Bed Additive Manufacturing Repair Process

A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.

Additive Manufacturing Systems and Methods of Additively Printing on Workpieces

An additive manufacturing system may include a controller operably coupled to a vision system and an additive manufacturing machine. The controller may be configured to determine a workpiece-interface of each of a plurality of workpieces from one or more digital representations of one or more fields of view having been captured by a vision system and determining one or more coordinates of the workpiece-interface of respective ones of the plurality of workpieces, and to transmit one or more print commands to an additive manufacturing machine so as to additively print a plurality of extension segments on the workpiece-interface of respective ones of the plurality of workpieces, with the one or more print commands having been generated based at least in part on the one or more digital representations of the one or more fields of view.

Additive Manufacturing Systems and Methods of Calibrating for Additively Printing on Workpieces

Additive manufacturing systems, methods, and computer readable media may be configured to perform a calibration. Calibrating an additive manufacturing system may include comparing a digital representation of one or more calibration marks to a calibration-CAD model that includes one or more model calibration marks, and applying a calibration adjustment to one or more CAD models based at least in part on the comparison. The digital representation of the one or more calibration marks may have been obtained using a vision system, and the one or more calibration marks may have been printed on a calibration surface according to the calibration-CAD model using an additive manufacturing machine. The calibration adjustment may be configured to align the one or more CAD models with one or more coordinates of the additive manufacturing system.

Build Plate Clamping-Assembly and Additive Manufacturing Systems and Methods of Additively Printing on Workpieces

A build plate-clamping assembly may include a work station having a build plate-receiving surface and a lock-pin extending from the build plate-receiving surface of the work station. The lock-pin may include a hollow pin body, a piston disposed within the hollow pin body, with the piston axially movable from a retracted position to an actuated position, and a plurality of detents, with the plurality of detents radially extensible through respective ones of a plurality of detent-apertures in the hollow pin body responsive to the piston having been axially moved to the actuated position. A methods of working on workpieces may include lockingly engaging a build plate at a first work station, performing a first work-step, releasing the build plate from the first work station, lockingly engaging the build plate at a second work station, and performing a second work-step. An additive manufacturing system may include a vision system with a first build plate-receiving surface and an additive manufacturing machine with a second build plate-receiving surface.

Tooling Assembly for Magnetically Aligning Components in an Additive Manufacturing Machine
20200238448 · 2020-07-30 ·

A tooling assembly for mounting a plurality of components, such as compressor blades, in a powder bed additive manufacturing machine to facilitate a repair process is provided. The tooling assembly includes component fixtures configured for receiving each of the compressor blades, a mounting plate for receiving the component fixtures, and a magnet assembly operably coupling the component fixtures to the mounting plate in a desired position and orientation to facilitate an improved printing process.

Tooling Assembly for Magnetically Aligning Components in an Additive Manufacturing Machine
20200238448 · 2020-07-30 ·

A tooling assembly for mounting a plurality of components, such as compressor blades, in a powder bed additive manufacturing machine to facilitate a repair process is provided. The tooling assembly includes component fixtures configured for receiving each of the compressor blades, a mounting plate for receiving the component fixtures, and a magnet assembly operably coupling the component fixtures to the mounting plate in a desired position and orientation to facilitate an improved printing process.

Tooling Assembly for Decreasing Powder Usage in a Powder Bed Additive Manufacturing Process
20200238386 · 2020-07-30 ·

A tooling assembly for mounting a plurality of components, such as compressor blades, in a powder bed additive manufacturing machine to facilitate a repair process is provided. The tooling assembly includes component fixtures configured for receiving each of the compressor blades, a mounting plate for receiving the component fixtures, and a complementary fixture defining a plurality of voids within which the compressor blades are received when the complementary fixture is mounted to the mounting plate such that less powder is required to fill the powder bed.

Powder Seal Assembly for Decreasing Powder Usage in a Powder Bed Additive Manufacturing Process
20200238383 · 2020-07-30 ·

An additive manufacturing machine for repairing a component includes a build platform that supports the component and a powder dispensing assembly for selectively depositing additive powder over the build platform. A powder seal assembly includes a powder support plate positioned above the build platform and defining an aperture for receiving the component without contacting the component. A clamping mechanism is movable relative to the powder support plate and defines a void for receiving a resilient sealing element around the aperture. An actuating mechanism, such as bolts or a linear actuator, moves the clamping mechanism toward the powder support plate to deform the resilient sealing element until the resilient sealing element contacts and forms a seal with the component.

Powder Seal Assembly for Decreasing Powder Usage in a Powder Bed Additive Manufacturing Process

An additive manufacturing machine for repairing a component includes a build platform that supports the component and a powder dispensing assembly for selectively depositing additive powder over the build platform. A powder seal assembly includes a powder support plate positioned above the build platform and defining an aperture for receiving the component without contacting the component. An inflatable sealing element is operably coupled to the powder support plate around the aperture and is inflated to contact and seal against the component, thereby forming a support surface above the build platform upon which additive powder may be deposited.

Configurable Cooling Assembly and Cooling Method
20200223163 · 2020-07-16 ·

A method is provided for managing the temperature of heat sensitive material located near a repair patch being thermally cured on a composite skin using a heating blanket. The method comprises configuring an assembly of thermally conductive cooling blocks to fit within a space between the heating blanket and the heat sensitive material. The assembly of thermally conductive cooling blocks is then installed against the skin within the space, forming a heat sink that conducts a portion of heat out of the composite skin away from the heat sensitive material.