STATIC MIXING NOZZLES FOR LONG FIBER AND RESIN MIXING AND DISPERSING IN POLYMER ADDITIVE MANUFACTURING
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Sep 29, 2023
filing date -
Sep 29, 2023
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Abstract
An additive manufacturing system for additive manufacturing material with long fibers includes an extruder comprising a nozzle that includes a static-mixing portion, a compression portion, and a long fiber alignment portion. The static-mixing portion includes a static-mixing channel with static-mixing rods distributed inside and extending radially inward from a channel wall. The long fiber alignment portion has an alignment channel with a diameter DAC that is less than a diameter DSMC of the static-mixing channel. The compression portion includes with a reducing diameter from an input end to an output end of the compression channel. A nozzle and method for additive manufacturing are also disclosed.
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