Additive manufacturing temperature controller/sensor apparatus and method of use thereof
OwnerJames Eldon Craig, Thomas Ross Wakemaninventors
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Abstract
An additive manufacturing temperature controller/temperature sensor uses one or more spectrophotometric sensors to monitor temperature of successive layers and preferably localized sections of successive layers of a melt pool, and transients thereof, of an object being generated for the purpose of dynamic control of the additive manufacturing device and/or quality control of the generated object manufactured with the additive manufacturing device. Generally, the additive manufacturing temperature controller/sensor apparatus monitors temperature of a section of the object during manufacture as a function of wavelength, time, position, and/or angle to determine melt extent in terms of radius and/or depth.
Claims9
A method for determining a temperature of an object under construction, comprising the steps of:
- providing an additive manufacturing device configured to construct the object comprising:
- a working platform holding the object under construction;
- and
- a temperature sensor, comprising:
- a first two-dimensional detector array optically linked to a plane parallel to a surface of the working platform;
- and
- a second two-dimensional detector array optically linked to the plane parallel to the working platform;
- generating a first set of signals using said first two-dimensional detector array;
- generating a second set of signals using said second two-dimensional detector array;
- and
- using a controller to calculate a set of temperatures using said first set of signals and said second set of signals.
Dependencies are inferred from the claim text.