Additive manufacturing build material dose control
AssigneeHewlett-Packard Development Company, L.P.
InventorArthur H. Barnes
Life of this patent
Estimating the term…
Abstract
Some examples include an additive manufacturing machine including a build chamber including a build area and a dose plate, a build material dispenser to dispense a mass of a build material onto the dose plate, a light source to transmit a light energy through the build material on the dose plate, a light sensor to sense a light energy transmitted through the build material on the dose plate, and a controller to control the build material dispenser to adjust a next build material dose mass based on a sensed light energy transmission.
Claims15
An additive manufacturing machine, comprising:
- a build chamber including a build area and a dose plate;
- a build material dispenser to dispense a mass of a build material onto the dose plate;
- a light source to transmit a light energy through the build material on the dose plate;
- a light sensor to sense a light energy transmitted through the build material on the dose plate;
- and
- a controller to control the build material dispenser to adjust a next build material dose mass based on a sensed light energy transmission.
A method of additive manufacturing, comprising:
- dispensing a first dose of a build material onto a dose plate with a build material dispenser;
- emitting a light energy from a light source through the build material on the dose plate;
- sensing a light energy transmission through the build material with a light sensor;
- transmitting a voltage of a sensed light energy transmission to a controller;
- and
- controlling a build material dispenser to dispense a second dose of the build material onto the dose plate in a next dispensing.
An additive manufacturing machine, comprising:
- a build chamber including a build surface and a dose plate;
- a build material dispenser to dispense a build material mass across the dose plate, the build material having a mass and a thickness on the dose plate;
- a light source to emit a constant light energy toward the dose plate;
- a light sensor to sense a light energy transmission from the light source through the thickness of the build material on the dose plate and transmit a sensor signal having a strength corresponding to the light energy transmission;
- and
- a controller to receive the sensor signal and to control the build material dispenser to adjust a next build material dose dispensing onto the dose plate based on the strength of the sensor signal.
Dependencies are inferred from the claim text.