Examples of conductive connections are described herein. Some examples of a fluid ejection device may include an electrically conductive non-metal structure in contact with fluid in a fluid reservoir. Some examples of the fluid ejection device may include conductive adhesive forming a conductive connection between the electrically conductive non-metal structure and circuitry.

One embodiment of the present disclosure provides a nozzle device for an FDM-type 3D printer, comprising: a filament supply unit to which a filament for FDM is supplied; a filament nozzle which is positioned on the lower part of the filament supply unit, and which melts the filament received from the filament supply unit so as to output the molten filament; a heater block provided on the circumference of the filament nozzle to melt the filament inside the filament nozzle; a humidifier for generating vapor; and a transfer pipeline, which transfers the vapor of the humidifier to spray same onto the molten filament.

One embodiment of the present disclosure provides a nozzle device for an FDM-type 3D printer, comprising: a filament supply unit to which a filament for FDM is supplied; a filament nozzle which is positioned on the lower part of the filament supply unit, and which melts the filament received from the filament supply unit so as to output the molten filament; a heater block provided on the circumference of the filament nozzle to melt the filament inside the filament nozzle; a humidifier for generating vapor; and a transfer pipeline, which transfers the vapor of the humidifier to spray same onto the molten filament.

The present disclosure is directed to an apparatus for manufacturing a composite component. The apparatus includes a mold onto which the composite component is formed. The mold is disposed within a grid defined by a first axis and a second axis. The apparatus further includes a first frame assembly disposed above the mold, and a plurality of printheads coupled to the first frame assembly within the grid in an adjacent arrangement along the first axis. At least one of the mold or the plurality of printheads is moveable along the first axis, the second axis, or both. At least one of the printheads of the plurality of printheads is moveable independently of one another along a third axis.

The present disclosure is directed to an apparatus for manufacturing a composite component. The apparatus includes a mold onto which the composite component is formed. The mold is disposed within a grid defined by a first axis and a second axis. The apparatus further includes a first frame assembly disposed above the mold, and a plurality of printheads coupled to the first frame assembly within the grid in an adjacent arrangement along the first axis. At least one of the mold or the plurality of printheads is moveable along the first axis, the second axis, or both. At least one of the printheads of the plurality of printheads is moveable independently of one another along a third axis.

An apparatus (1) for manufacturing a three-dimensional object from particulate material, the apparatus comprising: a work space (100) bounded by a first side wall (100A) on a first side of the work space, and a second side wall (100B) on a second side of the work space, the first side wall opposing the second side wall; a build bed (170) having a build bed surface (160), the build bed surface being comprised in the floor of the work space and having a first edge (160′) on the first side of the work space, towards the first side wall, and a second edge (160″) on the second side of the work space, towards the second side wall; a first gas inlet (101A) at or near the first side wall; a second gas inlet (101B) at or near the second side wall; a first gas outlet (102A) above the floor (100C) of the work space, the position of the first gas outlet being coincident with the first edge of the build bed surface, or between the first edge of the build bed surface and the first gas inlet; and a second gas outlet (102B) above the floor of the work space, the position of the second gas outlet being coincident with the second edge of the build bed surface, or between the second edge of the build bed surface and the second gas inlet; wherein the first gas outlet is positioned higher in the work space than the first gas inlet, and the second gas outlet is positioned higher in the work space than the second gas inlet; and wherein one or more flow devices (210, 211, 212) are operable to create first and second gas flows between the first gas inlet and the first gas outlet, and between the second gas inlet and the second gas outlet, respectively, such as to create respective first and second gas curtains on the first and second sides of the work space in use.

An apparatus (1) for manufacturing a three-dimensional object from particulate material, the apparatus comprising: a work space (100) bounded by a first side wall (100A) on a first side of the work space, and a second side wall (100B) on a second side of the work space, the first side wall opposing the second side wall; a build bed (170) having a build bed surface (160), the build bed surface being comprised in the floor of the work space and having a first edge (160′) on the first side of the work space, towards the first side wall, and a second edge (160″) on the second side of the work space, towards the second side wall; a first gas inlet (101A) at or near the first side wall; a second gas inlet (101B) at or near the second side wall; a first gas outlet (102A) above the floor (100C) of the work space, the position of the first gas outlet being coincident with the first edge of the build bed surface, or between the first edge of the build bed surface and the first gas inlet; and a second gas outlet (102B) above the floor of the work space, the position of the second gas outlet being coincident with the second edge of the build bed surface, or between the second edge of the build bed surface and the second gas inlet; wherein the first gas outlet is positioned higher in the work space than the first gas inlet, and the second gas outlet is positioned higher in the work space than the second gas inlet; and wherein one or more flow devices (210, 211, 212) are operable to create first and second gas flows between the first gas inlet and the first gas outlet, and between the second gas inlet and the second gas outlet, respectively, such as to create respective first and second gas curtains on the first and second sides of the work space in use.

The present disclosure is directed to a fluidic ejection device configured to detect whether one or more nozzles of the fluidic ejection device is in a normal state, a blocked nozzle state, or an accumulated fluid state. The fluidic ejection device includes an optical blockage detector having a light emitting device configured to emit a light signal, and a light sensor configured to detect the light signal. The optical blockage detector detects the normal state, the blocked nozzle state, and the accumulated fluid state based on the detected light signal.

Disclosed are a 3D printing device with an extrusion port having a variable size and a control method thereof. The 3D printing device includes: a feeding portion with an inlet and an outlet for a material; a discharging portion with an extrusion port, where the extrusion port is capable of being in fluid communication with the outlet of the feeding portion to extrude the material, and the extrusion port is partitioned into a plurality of hole channels; and a control portion, configured to control, in a process of filling a single-communication region by utilizing the extrusion port, a relative movement between the feeding portion and the discharging portion, to change a quantity of hole channels in communication with the outlet of the feeding portion in the plurality of hole channels, thereby changing a size of the extrusion port.

Disclosed are a 3D printing device with an extrusion port having a variable size and a control method thereof. The 3D printing device includes: a feeding portion with an inlet and an outlet for a material; a discharging portion with an extrusion port, where the extrusion port is capable of being in fluid communication with the outlet of the feeding portion to extrude the material, and the extrusion port is partitioned into a plurality of hole channels; and a control portion, configured to control, in a process of filling a single-communication region by utilizing the extrusion port, a relative movement between the feeding portion and the discharging portion, to change a quantity of hole channels in communication with the outlet of the feeding portion in the plurality of hole channels, thereby changing a size of the extrusion port.