Raytheon technologies corporation (20240307965). MITIGATING DOWN SKIN EFFECTS IN ADDITIVE MANUFACTURING simplified abstract

MITIGATING DOWN SKIN EFFECTS IN ADDITIVE MANUFACTURING

Organization Name

raytheon technologies corporation

Inventor(s)

Henry H. Thayer of Wethersfield CT (US)

Lawrence A. Binek of Glastonbury CT (US)

MITIGATING DOWN SKIN EFFECTS IN ADDITIVE MANUFACTURING - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240307965 titled 'MITIGATING DOWN SKIN EFFECTS IN ADDITIVE MANUFACTURING

Simplified Explanation: This patent application describes a process for creating an overhang feature on a part without any downward facing surface defects.

Key Features and Innovation:

• The process involves using a first layer of powder material fused with a laser beam, followed by a second layer with an additive that lowers the melting point temperature.
• By incorporating this additive, the overhang feature can be formed without the typical defects that occur during the printing process.

Potential Applications:

• Additive manufacturing
• Aerospace industry
• Automotive industry

Problems Solved:

• Eliminates downward facing surface defects in overhang features
• Improves the overall quality of printed parts

Benefits:

• Enhanced structural integrity of parts
• Increased efficiency in manufacturing processes
• Cost-effective solution for creating complex geometries

Commercial Applications:

• "Innovative Process for Defect-Free Overhang Features in Additive Manufacturing"

Prior Art:

• Readers can start their search for prior art related to this technology by looking into patents and research papers on additive manufacturing processes and materials with low melting point additives.

Frequently Updated Research:

• Stay updated on the latest advancements in additive manufacturing techniques and materials to enhance the quality of overhang features in printed parts.

Questions about the Technology: 1. What are the specific benefits of using additives to lower the melting point temperature in additive manufacturing processes? 2. How does this process compare to traditional methods of creating overhang features in parts?

Original Abstract Submitted

a process for forming an overhang feature without downward facing surface defects in the overhang feature on a part; the process includes laying down a first layer with a first powder material on a build plate; fusing the first powder material with a first power laser beam; laying down a second layer on top of the first layer, the second layer comprising a second powder material having an additive which lowers the melting point temperature of the second powder material; forming an overhang feature from the second layer; and fusing the second powder material with a second power laser beam in the absence of forming the downward facing surface defects in the overhang feature of the part.