Additive Manufacturing Plant Layout With Magnetic Carriage Transfer

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Solution Overview

Problem

Existing plants for additively manufacturing three-dimensional objects lack efficiency in installation and operation, necessitating further development for improved installation and operation approaches.

Innovation Solution

A plant comprising process stations for additive manufacturing, preprocessing, and postprocessing, along with a conveying device that uses non-contacting, modular process stations and a conveying system with moveable carriages and elements to facilitate efficient item transfer between stations, allowing for flexible and automated operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional conveying systems with physical contact are used, then structural stability is maintained, but installation and operation efficiency deteriorates

Engineering Contradiction:
Improveinstallation and operation efficiencyVSAvoidconveying system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces conventional mechanical conveying systems with physical contact with a non-contacting conveying system using magnetic fields. The magnetic conveying element generates magnetic force to move powder modules through the plant without mechanical contact, eliminating complex mechanical components while maintaining stable transport. This substitution directly improves installation and operation efficiency by reducing mechanical complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The plant is divided into modular process stations that can be independently positioned and configured. Each station is a self-contained unit that can be easily installed, removed, or repositioned along the conveying path. This modular segmentation simplifies installation and operation while maintaining functional integrity, allowing for flexible plant configuration without complex integrated systems.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If fixed process stations are used, then structural stability is maintained, but adaptability for different production needs deteriorates

Engineering Contradiction:
Improveflexibility for different production needsVSAvoidreconfiguration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The process stations are designed as movable modules that can be repositioned along the linear conveying path. The magnetic conveying system enables dynamic adjustment of station positions without requiring complex reconfiguration mechanisms. This dynamic capability allows the plant to adapt to different production needs while maintaining simplicity in the reconfiguration process.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The standardized modular process stations are designed to perform multiple functions and can be universally applied throughout the plant. Each module can be configured for different additive manufacturing tasks (preprocessing, manufacturing, postprocessing) while maintaining the same basic structure and interface standards. This universality enables flexible adaptation to different production requirements without increasing reconfiguration complexity.

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

3Extent of automation

If contact-based conveying is used, then reliability of item transfer is maintained, but precision and automation capability deteriorates

Engineering Contradiction:
Improveautomated item conveyance capabilityVSAvoiditem transfer reliability
Core Design Contradiction:
Extent of automationVSReliability

Solution Approach 1:

The magnetic conveying system replaces mechanical contact-based conveying with field-based interaction. The magnetic force provides reliable and consistent item transfer without the wear, friction, and mechanical failure modes associated with contact systems. This enables higher automation capability while maintaining or improving transfer reliability through more consistent and controllable force application.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The magnetic field acts as an intermediary between the conveying system and the powder modules, enabling contactless transfer. This intermediary approach allows for precise control of the conveying process through magnetic field modulation while maintaining reliable item transfer. The magnetic intermediary eliminates direct mechanical contact points that could introduce variability or failure in automated systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enhances installation and operation efficiency by enabling flexible, automated, and precise item conveyance between stations, reducing physical contact and allowing for easy modification and operation, suitable for mass production of three-dimensional objects.

Implementation Method 1

The at least one conveying element is configured to generate a conveying force so as to move the conveying carriage along the conveying path

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Data Source

PatentEP3650205B1Plant for additively manufacturing at least one three-dimensional object
Publication Date: 2025.07.30 CONCEPT LASER
  • EP3650205B1 patent drawingFigure 1
  • EP3650205B1 patent drawingFigure 2
  • EP3650205B1 patent drawingFigure 3

AI summary

Plant (1) for additively manufacturing at least one three-dimensional object (2), comprising at least one process station (3a - 3c) being configured to perform an additive manufacturing process and/or at least one preprocessing process for an additive manufacturing process and/or at least one postprocessing process for an additive manufacturing process; at least one conveying device (19) configured to convey an item (20) between at least two positions (P1, P2) of the plant (1), the conveying device (19) comprising at least one conveying element (22), the at least one conveying element (22) being at least partially bound to ground (23), and at least one conveying carriage (24) being connectable or connected with the conveying element (22) so as to be moveable between at least two positions (P1, P2) of the plant (1), the at least one conveying carriage (24) comprising at least one supporting interface (25) for supporting at least one item (20).