Freemelt AB (20240246298). POWDER SMOKE DETECTION DURING ADDITIVE MANUFACTURING simplified abstract

From WikiPatents
Jump to navigation Jump to search

POWDER SMOKE DETECTION DURING ADDITIVE MANUFACTURING

Organization Name

Freemelt AB

Inventor(s)

Robin Stephansen of Mölndal (SE)

Ulf Ackelid of Göteborg (SE)

POWDER SMOKE DETECTION DURING ADDITIVE MANUFACTURING - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240246298 titled 'POWDER SMOKE DETECTION DURING ADDITIVE MANUFACTURING

The patent application describes an arrangement for additive manufacturing using an electron beam to selectively fuse a three-dimensional product from a powder bed, with a focus on detecting powder smoke during the process.

  • The arrangement includes at least one electron detecting arrangement to detect powder smoke by capturing scattered electrons from the electron beam hitting powder particles above the powder bed.
  • The method involves arranging the electron detecting arrangement in the additive manufacturing setup, detecting scattered electrons from the beam hitting levitating powder particles, and determining the presence of powder smoke based on the detection output.

Potential Applications: - Additive manufacturing processes - Quality control in powder bed fusion techniques - Industrial 3D printing applications

Problems Solved: - Monitoring and detecting powder smoke during additive manufacturing - Ensuring product quality and process efficiency - Enhancing safety measures in additive manufacturing environments

Benefits: - Improved process control and monitoring - Early detection of potential issues - Enhanced product quality and consistency

Commercial Applications: Title: "Advanced Powder Smoke Detection System for Additive Manufacturing" This technology can be utilized in industries such as aerospace, automotive, and medical device manufacturing for precise and reliable additive manufacturing processes.

Prior Art: Readers can explore prior patents related to electron beam additive manufacturing and powder bed fusion techniques to understand the evolution of this technology.

Frequently Updated Research: Stay updated on advancements in electron beam additive manufacturing and powder bed fusion technologies to incorporate the latest innovations in powder smoke detection systems.

Questions about the technology: 1. How does the electron detecting arrangement differentiate between scattered electrons from powder particles and other sources? 2. What are the potential challenges in implementing this powder smoke detection system in large-scale additive manufacturing facilities?


Original Abstract Submitted

in accordance with one or more embodiments herein, an arrangement for additive manufacturing by selective fusion, using an electron beam, of a three-dimensional product from a powder bed, is provided. the arrangement comprises at least one electron detecting arrangement arranged to detect powder smoke by detecting electrons which have been scattered by the electron beam hitting powder particles which levitate above the powder bed. also provided is a method for detecting powder smoke during additive manufacturing, the method comprising: arranging at least one electron detecting arrangement in an arrangement for additive manufacturing by selective fusion, using an electron beam, of a three-dimensional product from a powder bed; detecting electrons which have been scattered by the electron beam hitting powder particles which levitate above the powder bed; and determining whether there is powder smoke based on the output from the at least one electron detecting arrangement.