Continuously Moving Line for Composite Laminate Parts

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Solution Overview

Problem

Batch processing of composite laminate parts leads to inefficient use of production floor space and challenges in quality control due to difficulty in detecting part nonconformities, resulting in reduced production efficiency and increased scrap rates.

Innovation Solution

A continuously moving line system with mobile platforms and coordinated laminators in multiple work zones, allowing for continuous production and improved quality control through real-time monitoring and adjustment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If batch processing is used in stationary locations, then equipment can be used to produce parts, but production floor space is inefficiently utilized and mandrel utilization is reduced

Engineering Contradiction:
Improveproduction efficiencyVSAvoidproduction floor space
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

The system transitions from stationary mandrels to mobile platforms that continuously move through the production facility. The mobile platforms carry tools and parts dynamically through different work zones, maximizing space utilization and enabling continuous production without requiring large stationary production areas.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The continuous movement of mobile platforms through the production line enables uninterrupted manufacturing. Multiple platforms can be in different stages of production simultaneously, allowing continuous layup operations without the idle time inherent in batch processing, thereby improving productivity while reducing space requirements.

Inventive Principle:
Principle #20Continuity of useful action

2Productivity

If batch processing is used, then parts can be produced, but quality control becomes challenging due to difficulty in detecting part nonconformities

Engineering Contradiction:
Improveproduction rateVSAvoidquality control difficulty
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The system incorporates real-time monitoring and sensing capabilities that continuously detect part nonconformities during the manufacturing process. Sensors and inspection systems on the mobile platforms provide immediate feedback on part quality, enabling detection and correction of defects while production is ongoing, rather than discovering issues only after batch completion.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Continuous production enables ongoing quality monitoring throughout the manufacturing process. The uninterrupted flow of parts through work zones allows for consistent inspection and detection of nonconformities, improving quality control compared to batch processing where inspection occurs only after the entire batch is complete.

Inventive Principle:
Principle #20Continuity of useful action

3Productivity

If multiple laminators are coordinated in work zones, then equipment utilization is improved, but system complexity increases

Engineering Contradiction:
Improveequipment utilizationVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The mobile platforms serve multiple functions: they transport tools, carry parts through different work zones, and provide mounting for various processing equipment. This multi-functionality allows a single mobile platform system to replace multiple dedicated stationary machines, improving equipment utilization while managing complexity through versatile, reusable components.

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

Solution Approach 2:

The system uses coordinated control of multiple laminators and mobile platforms, dynamically adjusting their positions, speeds, and operations based on real-time production needs. This coordination optimizes equipment utilization by ensuring each laminator is continuously productive while managing system complexity through centralized control that coordinates rather than complicates operations.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4000888B1Continuously moving line for making composite laminate parts
Publication Date: 2024.04.10 THE BOEING CO
  • EP4000888B1 patent drawingFigure 1
  • EP4000888B1 patent drawingFigure 2~4
  • EP4000888B1 patent drawingFigure 5

AI summary

A system for making composite laminate parts, comprising a plurality of work zones in which an operation is performed on the parts, a plurality of tools continuously movable along a line through each of the work zones, a laminator located in at least one of the work zones and configured to apply composite material on the tools, and a controller for controlling movement of the tools and operation of the laminators.