Abstract: Some examples include an additive manufacturing machine including a dose plate to receive build material onto, a heating element to selectively heat the build material dispensed on the dose plate, the build material selectively heated in at least two zones, a sensor to detect a temperature of each of the at least two zones, and a controller to control the heating element based on the temperatures of each of the at least two zones.

Abstract: In one example, a build material preparation subsystem. The subsystem includes a trough to house build material deliverable to a build bed and usable to form a layer of an object fabricated by additive manufacturing. An agitating tray is slidably disposed in the trough. A linear actuator is disposed adjacent an outside wall of the trough. A drive arm has a first end portion fixedly coupled to the agitating tray and a second end portion coupled to the linear actuator. The drive arm passes over a wall of the trough.

Abstract: In one example, a refill control system to control the flow of powdered build material to a dispenser to periodically refill the dispenser with powdered build material. In one example, the refill control system includes a container to hold powered build material and a valve operable between a closed position to block a flow of powdered build material from the container to the dispenser and an open position to not block the flow of powdered build material from the container to the dispenser. The container is movable from a first position to a second position to connect the container to the dispenser and from the second position to the first position to disconnect the container from the dispenser.

Abstract: According to an example, a recoater for a three-dimensional (3D) printer may include a cylindrical element having a surface to spread build material particles. The build material particles may have a specified average dimension and the surface may include a plurality of depressions that have dimensions that are smaller than the specified average dimension of the build material particles.

Abstract: According to an example, a recoater for a three-dimensional (3D) printer may include a cylindrical element having a surface to spread build material particles. The build material particles may have a specified average dimension and the surface may include a plurality of depressions that have dimensions that are smaller than the specified average dimension of the build material particles.

Abstract: A carriage guide for a carriage of an inkjet printer includes a chassis including a first chassis sidewall and a second chassis sidewall spaced from the first chassis sidewall, and a carriage track extending between the first chassis sidewall and the second chassis sidewall. The carriage track forms at least two support surfaces configured to support the carriage for movement along the carriage track.

Abstract: A carriage guide for a carriage of an inkjet printer includes a chassis including a first chassis sidewall and a second chassis sidewall spaced from the first chassis sidewall, and a carriage track extending between the first chassis sidewall and the second chassis sidewall. The carriage track forms at least two support surfaces configured to support the carriage for movement along the carriage track.

Abstract: A carriage drive belt for moving a carriage includes an elongated belt section having a longitudinal axis and including a first portion and a second portion spaced from the first portion along the longitudinal axis, and a compliant belt section secured to the elongated belt section, wherein the compliant belt section extends between the first portion and the second portion of the elongated belt section and is configured for attachment of the carriage thereto.

Abstract: Methods and systems for a coupling assembly. In one exemplary embodiment, an assembly can comprise a signal carrying component capable of being coupled with a corresponding receptacle. The assembly can further comprise a steerable component that has at least a portion of which is secured with the signal carrying component. A non-secured portion of the steerable component can be manipulated by a user from a first disposition generally adjacent a portion of the signal carrying component to a second non-adjacent disposition for steering the assembly into the receptacle.

Abstract: A carriage guide for a carriage of an inkjet printer includes a carriage track having a longitudinal axis, an anti-rotation rail spaced from the carriage track and oriented substantially parallel with the longitudinal axis of the carriage track, and a bridge extending between the carriage track and the anti-rotation rail. The carriage track and the anti-rotation rail each form at least one support surface configured to slidably support the carriage for movement along the longitudinal axis of the carriage track.

Abstract: A carriage drive belt for moving a carriage includes an elongated belt section having a longitudinal axis and including a first portion and a second portion spaced from the first portion along the longitudinal axis, and a compliant belt section secured to the elongated belt section, wherein the compliant belt section extends between the first portion and the second portion of the elongated belt section and is configured for attachment of the carriage thereto.

Abstract: A carrage guide for a carriage of an inkjet printer includes a carriage track having a longitudinal axis, an anti-rotation rail spaced from the carriage track and oriented substantially parallel with the longitudinal axis of the carriage track, and a bridge joined to the carriage track and the anti-rotation rail. The carriage track and the anti-rotation rail each form at least one support surface configured to slidably support the carriage for movement along the longitudinal axis of the carriage track.

Abstract: A carriage drive belt for an inkjet printer includes an elongated belt section and compliant belt section secured to the elongated belt section. The elongated belt section has a longitudinal axis and includes a first portion and a second portion spaced from the first portion along the longitudinal axis. The compliant belt section extends between the first portion and the second portion of the elongated belt section and has an axis extending in a direction of the longitudinal axis of the elongated belt section.