Heating system for fiber-reinforced thermoplastic feedstock and workpiece

Active Publication Date: 2022-07-12
AREVO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the temperature of either is too low, then the weld will be defective, and if the temperature of either is too high, then it could burn or melt.
In practice, however, it fails to produc

Method used

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  • Heating system for fiber-reinforced thermoplastic feedstock and workpiece
  • Heating system for fiber-reinforced thermoplastic feedstock and workpiece
  • Heating system for fiber-reinforced thermoplastic feedstock and workpiece

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Embodiment Construction

[0092]FIG. 4 depicts an illustration of additive manufacturing system 400 in accordance with the first illustrative embodiment of the present invention. Additive manufacturing system 400 fabricates an article of manufacture by successively depositing segments of fiber-reinforced thermoplastic feedstock (e.g., filament, tape, etc.) onto a workpiece until the article of manufacture is complete.

[0093]Additive manufacturing system 400 comprises: platform 401, robot mount 402, robot 403, build plate support 404, build plate 405, workpiece 406, deposition head 407, tamping tool 408, controller 409, feedstock reel 410, feedstock 411, accumulator 412, force gauge 413, sensor array 415, feedstock laser 441, workpiece laser 442, optical cable 451, optical cable 452, sensor cable 454, optical instrument 461, optical instrument 462, laser beam 471, laser beam 472, feedstock laser control cable 491, and workpiece laser control cable 492, interrelated as shown.

[0094]FIG. 5a depicts a close-up of wor

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Abstract

An additive manufacturing system is disclosed that comprises two or more lasers for precisely heating a fiber-reinforced thermoplastic feedstock and a fiber-reinforced thermoplastic workpiece in preparation for depositing and tamping the feedstock onto the workpiece. The system employs feedforward, a variety of sensors, and feedback to ensure that the feedstock and workpiece are properly heated.

Description

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Claims

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Application Information

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Owner AREVO INC
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