Compaction Roller Cooling for Composite Manufacturing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current automated fiber placement systems face challenges in controlling the temperature of compaction rollers, leading to issues like roller wrap, material sticking, and increased downtime, as well as potential degradation of components due to unregulated heat.
Innovation Solution
A composite manufacturing system with a temperature regulation system that includes temperature sensors, a controller, and a cooling system to actively control the temperature of the compaction roller, ensuring it remains below a threshold temperature to prevent roller wrap and maintain optimal material adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the compaction roller is heated to improve material adhesion, then material tack and adhesion are improved, but the roller temperature becomes difficult to control leading to roller wrap
Solution Approach 1:
The patent applies parameter changes by actively controlling the roller temperature through a cooling system that adjusts cooling fluid flow rate based on temperature sensor feedback. This allows the system to maintain the roller temperature within an optimal range for material adhesion while preventing excessive heating that causes roller wrap.
Solution Approach 2:
The patent implements feedback control by using temperature sensors to continuously monitor roller temperature and adjusting the cooling system accordingly. The controller receives temperature data and modulates the cooling fluid flow to maintain temperature within desired parameters, preventing roller wrap while ensuring adequate adhesion.
2Reliability
If the roller temperature is not controlled, then material adhesion is maintained, but production downtime increases due to roller wrap requiring machine stops for cleaning
Solution Approach 1:
The feedback control system continuously monitors roller temperature and adjusts cooling fluid flow in real-time, preventing roller wrap conditions before they occur. This eliminates production downtime associated with stopping the machine to clean wrapped rollers while maintaining optimal adhesion conditions.
Solution Approach 2:
The cooling system takes preliminary action by proactively controlling roller temperature to prevent roller wrap before it occurs. By maintaining temperature within optimal parameters through continuous cooling adjustment, the system prevents the need for corrective actions such as machine stops and roller cleaning.
3Productivity
If active cooling is implemented to prevent roller wrap, then production continuity is improved, but system complexity increases due to additional temperature control components
Solution Approach 1:
The temperature control system is designed to be self-regulating through feedback control, where the system automatically adjusts cooling fluid flow based on temperature sensor readings without requiring external intervention. This automation maintains production continuity while minimizing the need for complex manual control mechanisms.
4Reliability
If the compaction roller operates at high temperature, then material joining is improved, but component lifespan decreases due to heat degradation
Solution Approach 1:
The patent applies parameter changes by maintaining the roller temperature within an optimal range through active cooling control. This prevents excessive temperature exposure that degrades roller components while maintaining sufficient temperature for proper material joining, thereby extending roller lifespan without compromising bonding quality.
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
The system prevents roller wrap, reduces downtime, and extends the lifespan of components by maintaining precise temperature control, enhancing production efficiency and reducing manufacturing costs.
Implementation Method 1
a cooling system to cool the compaction roller
Implementation Method 2
a cooling system to cool the compaction roller
Implementation Method 3
a temperature sensor senses a temperature of the compaction roller
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A composite manufacturing system is provided. The composite manufacturing system comprises a fiber placement head (108), a compaction roller (112) associated with the fiber placement head, and a temperature regulation system associated with the compaction roller. The temperature regulation system is configured to actively control a temperature of the compaction roller. The temperature regulation system comprises a number of temperature sensors (302), a cooling system (306), and a controller (304). The number of temperature sensors are configured to detect the temperature of the compaction roller. The cooling system is associated with the compaction roller and is configured to cool the compaction roller. The controller is in communication with the number of temperature sensors and the cooling system. The controller is configured to cool the compaction roller such that the temperature is below a threshold temperature.