Fiber Fabric Winding Mould with Positioning Pins for Deformation Control

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Traditional methods for controlling fiber fabric deformation during twist and winding processes in composite component manufacturing are inadequate, failing to ensure accurate alignment and deformation across the entire fabric surface, leading to deviations that cannot be adjusted in real time.

Innovation Solution

A control method involving positioning pins on a forming mould, adjusted by air pressure, to align and deform fiber fabric intersections according to design requirements, ensuring precise placement of tracer yarns and resin injection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional laser projection and tracer yarn technology is used to complete fiber fabric deformation, then the fabric deformation at the tracer yarn position can be ensured, but the deformation control at other positions cannot be accurately controlled

Engineering Contradiction:

Improvefabric deformation control precisionVSAvoiddeformation control coverage

Core Design Contradiction:

Manufacturing precisionVSLoss of information

Solution Approach 1:

The forming mold surface is divided into multiple independent positioning pin regions, each responsible for controlling deformation at specific tracer yarn intersections. This segmentation allows independent adjustment of each pin's protrusion height to precisely control fabric deformation at different locations throughout the winding process.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different positioning pins are adjusted to different protrusion heights based on local deformation requirements at specific tracer yarn intersections. This local quality approach ensures that each region of the fabric receives the precise deformation control it needs, rather than applying uniform deformation control across the entire fabric surface.

Inventive Principle:

Principle #3Local quality

2Measurement precision

If manual measurement and adjustment method is used when tracer yarn does not match laser projection position, then deviation value can be obtained, but real-time adjustment on current fiber fabric cannot be achieved

Engineering Contradiction:

Improvedeviation measurement accuracyVSAvoidadjustment time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

Positioning pins are pre-adjusted to appropriate protrusion heights before fiber fabric winding begins. This preliminary action ensures that when the fabric is wound and tracer yarn intersections contact the pins, the correct deformation is immediately applied without requiring time-consuming manual measurements and adjustments during the manufacturing process.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The positioning pin system provides real-time feedback control by using tracer yarn intersections as reference points. When tracer yarn intersections contact the positioning pins during winding, the system automatically detects and corrects any positional deviations, enabling real-time adjustment without manual intervention.

Inventive Principle:

Principle #23Feedback

3Manufacturing precision

If positioning pins are used to control fiber fabric deformation at tracer yarn intersections, then all fiber deformations can meet design requirements, but the device complexity increases

Engineering Contradiction:

Improveoverall fabric deformation precisionVSAvoidforming mold structure complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

Air pressure control devices are used to adjust the protrusion heights of positioning pins, replacing complex mechanical adjustment mechanisms. This pneumatic control system allows for precise, independent adjustment of each positioning pin's height through air pressure, simplifying the overall device structure while maintaining high deformation control precision.

Inventive Principle:

Principle #29Pneumatics and hydraulics

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

Ensures that all fiber fabric deformations meet design specifications by accurately positioning tracer yarn intersections, enhancing the manufacturing precision and consistency of composite components.

Implementation Method 1

heights of the positioning pins are adjusted by air pressure to make the positioning pins protrude a set distance from the surface of the forming mould

Methodology Applied

Scientific EffectAir pressure: Pressure Increase

Implementation Method 2

wrapping the fiber fabric with a fixing mould, and injecting resin after vacuumizing

Methodology Applied

Scientific EffectVacuum: Vacuum

Data Source

PatentUS12533858B2Method for controlling winding deformation of fiber fabric and forming mold thereof

Publication Date: 2026.01.27 AECC COMML AIRCRAFT ENGINE CO LTD

AI summary

The present disclosure relates to a control method for winding deformation of fiber fabric and a forming mould thereof. The control method comprises step S1: lifting a plurality of positioning pins arranged on a surface of a forming mould according to a design position of a fiber fabric that is wound on the forming mould; step S2: winding the fiber fabric on the forming mould, and making a plurality of intersections of warp tracer yarn and weft tracer yarn, arranged on the fiber fabric, correspondingly cover on the positioning pins; step S3: retracting the lifted positioning pins; step S4: wrapping the fiber fabric with a fixing mould, and injecting resin after vacuumizing. The present disclosure provides a control method for winding deformation of fiber fabric and a forming mould thereof, ensuring that fiber deformations on the fiber fabric in the winding process meet the design requirements.