Operation of the Collaborative Composite Manufacturing (CCM) System
October 1st, 2019
6.4K views
A collaborative composite manufacturing system is developed for robotic lay-up of composite laminates using the prepreg tape. The proposed system allows the production of composite laminates with high levels of geometrical complexity. The issues in the path planning, coordination of the robots and control are addressed in the proposed method.
Overview
A collaborative composite manufacturing system is developed for robotic lay-up of composite laminates using prepreg tape. This system enhances the production of composite laminates with complex geometries.
Key Study Components
Area of Science
- Composite manufacturing
- Robotics
- Automation
Background
- Current automated fiber placement machines are limited to large, open-surface parts.
- There is a growing demand for small, complex structures in industry.
- The dexterity of fiber placement machines can be improved using advanced robotics.
- The study demonstrates a method for enhancing composite part manufacturing.
Purpose of Study
- To develop a system that allows for the production of complex composite laminates.
- To address challenges in path planning and robot coordination.
- To improve the manufacturing process of composite parts.
Methods Used
- Utilization of a rotational stage and a combination of parallel and serial robots.
- Loading frame definition files through optical CMM software.
- Positioning robots using detected targets for accurate reference.
- Establishing a base frame as the origin for the robotic system.
Main Results
- The proposed system successfully enhances the dexterity of fiber placement machines.
- Complex composite parts can be manufactured with improved precision.
- Path planning and coordination issues were effectively addressed.
- The method demonstrates potential for industrial applications.
Conclusions
- The collaborative manufacturing system represents a significant advancement in composite production.
- Improved robot coordination leads to better manufacturing outcomes.
- This approach could meet the industry's demand for complex structures.
Frequently Asked Questions
What is the main focus of the study?
The study focuses on developing a robotic system for manufacturing complex composite laminates.
How does the new system improve manufacturing?
It enhances dexterity and allows for the production of small, complex structures.
Who is demonstrating the procedure?
The procedure will be demonstrated by Pengcheng Li, a PhD student.
What challenges does the system address?
It addresses path planning, robot coordination, and control issues.
What technology is used in the system?
The system employs a rotational stage, parallel robots, and serial robots.
What is the significance of this research?
It represents a step forward in meeting industrial demands for complex composite parts.
Executive Industry Relevance
Manufacturing complex composite structures remains a bottleneck in biopharma device development, where precision lay-up of biomaterials is critical for implantable scaffolds and diagnostic housings. The CCM system addresses this by enabling robotic fiber placement on intricate geometries through coordinated multi-axis control and real-time pose correction. This enhances reproducibility and reduces reliance on manual processes, supporting scalable production of high-complexity components.
Strategic Applications in Biopharma R&D
Early Discovery & Target Validation
- Scientific Value: Enables fabrication of biomimetic scaffolds with complex topographies for studying cell-material interactions in target validation assays.
- Operational Value: Reduces variability in scaffold production, improving consistency in preclinical screening outcomes.
Screening & Assay Development
- Scientific Value: Produces standardized composite substrates with controlled surface geometry for reproducible biomarker screening platforms.
- Operational Value: Supports high-fidelity replication of assay-compatible components across multiple runs and sites.
Translational & Preclinical Research
- Scientific Value: Facilitates production of patient-specific implant prototypes with anatomical fidelity for preclinical efficacy testing.
- Operational Value: Enables iterative design refinement through rapid, accurate manufacturing of complex test articles.
Pipeline & Workflow Integration
The CCM system integrates into the discovery workflow by enabling precise fabrication of composite-based tools and devices from early hypothesis testing through preclinical validation.
- Discovery Biology: Supports creation of intricate 3D culture systems that model complex tissue interfaces for mechanistic de-risking.
- Screening: Delivers dimensionally stable platforms for consistent immobilization of capture reagents in diagnostic assay development.
- Analytics: Provides geometric precision critical for aligning sensor arrays or microfluidic channels in diagnostic devices.
- Translational Research: Bridges design and validation by producing anatomically accurate prototypes for iterative preclinical evaluation.
- Enterprise Reuse: Functions as a adaptable fabrication capability across multiple projects requiring complex composite geometries.
Operational & Enterprise Impact
- Scientific Value: Improves predictive confidence by enabling accurate reproduction of complex biomaterial structures.
- Operational Value: Enhances manufacturing consistency through vision-guided path correction and reduced manual intervention.
- Strategic Value: Accelerates development timelines by resolving geometric fabrication bottlenecks in device prototyping.
- Portfolio Impact: Supports risk-adjusted advancement by ensuring reliable production of high-complexity components for go/no-go decisions.
Implementation Considerations
- Requires expertise in robotic programming, coordinate metrology, and composite material handling.
- Depends on integrated control interfaces, optical tracking systems, and path planning software for operation.
- Necessitates standardization of pose correction protocols across teams to ensure reproducible outcomes.
- Involves adaptation of path generation algorithms for varying mandrel geometries and fiber tow properties.
- Limited by the need for careful calibration to manage positioning errors and singularity avoidance in complex paths.
Biopharma FAQs
Why does pose correction matter for composite scaffold manufacturing?
Pose correction ensures accurate fiber placement by compensating for robot positioning errors and singularities during lay-up, maintaining geometric fidelity of complex scaffolds critical for consistent cell culture performance.
How does isolating the rotational stage movement support scaffold production?
Isolating the rotational stage allows precise mandrel positioning relative to the placement head, enabling controlled fiber orientation on complex contours essential for biomimetic scaffold architecture.
What enables quantitative assessment of fiber placement accuracy?
Optical coordinate measuring machine feedback provides real-time pose data, allowing measurement of placement deviations and triggering corrections to maintain uniform fiber tension and coverage.
Why is replication fidelity important for multi-site preclinical studies?
Replication fidelity ensures that composite scaffolds produced across different sites or batches maintain identical geometry and surface properties, reducing variability in biological response assessments.
What statistical capabilities are needed before deploying the CCM system?
The system requires trajectory deviation analysis and error distribution modeling to tune the pose correction algorithm, ensuring statistical process control over geometric accuracy in scaffold manufacturing.
Chapters in this video
0:04
Title
0:45
Parallel Robot Base Frame Definition
2:13
System Preparation
4:01
Off-Line Path Generation
4:52
Individual Serial Robot and Rotational Stage Trajectory Decomposition
5:35
Off-Line Path Execution without and with Path Modification Algorithm
7:58
Results: Representative Collaborative CCM Manufacturing
9:24
Conclusion
