Continuous Additive Manufacturing Workflow Path

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Solution Overview

Problem

Existing additive manufacturing systems face limitations in build time and efficiency due to sequential and distinct processes, particularly in the deposition, distribution, and consolidation of particulate materials, which restrict the production rate and increase costs.

Innovation Solution

The implementation of a continuous additive manufacturing system that includes a build platform and workstations with particle delivery, recoating, and consolidation devices, where the build platform is configured to move relative to the workstation along a continuous workflow path, enabling simultaneous deposition, distribution, and consolidation of particles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If sequential and distinct processes are used for particle deposition, distribution, and consolidation in a stationary build platform, then each process step can be performed with dedicated equipment, but the build time is limited and production rate is reduced

Engineering Contradiction:
Improveproduction rateVSAvoidbuild time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent implements a continuous additive manufacturing process where the build platform moves continuously through the deposition, distribution, and consolidation zones without stopping. This eliminates idle time between sequential operations and maintains continuous production flow, directly addressing the technical contradiction by converting discrete sequential operations into a continuous process that improves productivity while reducing total build time.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent transitions from a stationary build platform to a dynamic moving build platform that travels through the manufacturing zone. This dynamic approach allows multiple operations to occur simultaneously at different positions along the workflow path, enabling parallel processing of deposition, distribution, and consolidation operations, thereby increasing production rate and reducing overall build time.

Inventive Principle:
Principle #15Dynamics

2Productivity

If a stationary build platform is used with sequential processing steps, then system complexity is reduced, but operational downtime increases and efficiency decreases

Engineering Contradiction:
Improvesystem efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent divides the additive manufacturing system into distinct functional zones (deposition zone, distribution zone, consolidation zone) arranged along a workflow path. Each zone performs a specific operation, and the build platform moves sequentially through these zones. This segmentation allows for specialized equipment in each zone while maintaining continuous flow, improving system efficiency without excessive complexity increase.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The moving build platform serves multiple functions: it transports the workpiece through different processing zones, positions material for deposition, and enables sequential operations at different locations. This multi-functional approach consolidates what would otherwise require multiple stationary systems into a single integrated platform, improving efficiency while managing system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach reduces operational downtime, decreases the time required to manufacture components, and lowers the cost of additive manufacturing by enhancing system efficiency and production rate.

Implementation Method 1

The at least one particle delivery device is configured to deposit particles on the build platform

Methodology Applied
Scientific EffectDeposition: Deposition (physical)

Implementation Method 2

The at least one recoating device is configured to distribute the deposited particles to form a build layer on the build platform

Methodology Applied
Scientific EffectMaterial distribution:

Implementation Method 3

The at least one consolidation device is configured to consolidate at least a portion of the build layer

Methodology Applied
Scientific EffectConsolidation:

Data Source

PatentUS11584057B2Systems and methods for additive manufacturing
Publication Date: 2023.02.21 GE INFRASTRUCTURE TECH LLC
  • US11584057B2 patent drawing
  • US11584057B2 patent drawing
  • US11584057B2 patent drawing

AI summary

An additive manufacturing system is provided. The additive manufacturing system includes a build platform and at least one workstation. The build platform defines a continuous workflow path and is configured to rotate about a build platform axis. The workstation is spaced apart from the build platform along the third direction and at least one of the build platform and the workstation is configured to move along the third direction. The workstation includes at least one particle delivery device, at least one recoating device, and at least one consolidation device. The particle delivery device is configured to deposit particles on the build platform. The recoating device is configured to distribute the deposited particles to form a build layer on the build platform. The consolidation device is configured to consolidate at least a portion of the build layer.