Crimping System Monitoring Traction Rod Movement and Fluid Pressure
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Solution Overview
Problem
Current crimping technologies are complex and not suitable for both rivets with mandrels and nuts, lacking a simple means to monitor crimping quality and ensure proper assembly conditions.
Innovation Solution
A crimping system with a tool having a housing, a traction rod, a fluid source, and measuring means to monitor the movement and pressurization of the traction rod, allowing for real-time feedback and control to ensure proper crimping, suitable for both rivets and nuts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a complex automated system with multiple sensors and controllers is used to monitor crimping, then measurement precision and reliability improve, but device complexity increases
Solution Approach 1:
The patent extracts only the essential monitoring parameters (traction rod movement and fluid pressure) from the complex crimping process, eliminating unnecessary sensors and controllers. This focuses measurement resources on critical parameters that directly indicate crimping quality, achieving reliable monitoring with minimal device complexity.
Solution Approach 2:
The fluid pressure detection serves multiple functions: it monitors crimping quality, detects system anomalies, and provides process control feedback. This multi-functionality reduces the need for separate dedicated sensors for each monitoring purpose, simplifying the overall system while maintaining comprehensive monitoring capability.
2Manufacturing precision
If specialized monitoring systems are designed for specific fastening components, then manufacturing precision improves, but adaptability decreases
Solution Approach 1:
The monitoring system is designed to work with both rivets equipped with mandrels and nuts using threaded traction rods through a unified approach. The system monitors universal parameters (traction rod movement and fluid pressure) that are common to both component types, enabling precise quality control across different fastening components without requiring specialized subsystems.
Solution Approach 2:
The system adapts to different fastening components by monitoring parameter changes (movement and pressure) rather than requiring component-specific configurations. This parameter-based monitoring approach allows the same system to accurately monitor crimping quality for various component types by detecting the characteristic parameter changes associated with each.
3Reliability
If manual crimping operations are performed without monitoring, then ease of operation is maintained, but reliability of assembly decreases
Solution Approach 1:
The system provides real-time feedback through simple visual indicators (green/yellow/red lights) that immediately communicate crimping quality to the operator. This feedback mechanism maintains operational simplicity while significantly improving reliability by enabling operators to instantly identify and correct defective crimping operations without complex interfaces or procedures.
Solution Approach 2:
The monitoring system automatically detects and indicates crimping quality issues without requiring operator intervention for analysis or judgment. The system self-monitors the crimping process parameters and provides clear quality indicators, allowing manual operations to proceed with automated quality assurance that enhances reliability while preserving operational simplicity.
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 provides a simple and effective method to monitor crimping quality, ensuring proper assembly conditions and compatibility with both rivets and nuts, reducing the risk of incomplete or excessive crimping.
Implementation Method 1
a fluid source (3) connected to the housing to supply a fluid under pressure in the housing to move the traction rod
Implementation Method 2
measuring means, for example a sensor (30), to measure the movements of the traction rod
Implementation Method 3
detection means, for example a detector (31), to provide a pressurisation information of the fluid in the housing
Implementation Method 4
the control unit (4) being configured to record a curve of the measured movements and the pressurisation information of the fluid in the housing when the translation of the traction rod takes place
Data Source
AI summary
A crimping system of a fastening component onto a support, including a crimping tool comprising a housing and a traction rod configured to cooperate with the fastening component so as to deform the fastening component when a translation of the traction rod takes place, a fluid source connected to the housing to supply a fluid under pressure to move the traction rod, a sensor to measure the movements of the traction rod, a detector to provide a pressurisation information of the fluid in the housing, and a control unit configured to record a curve of the measured movements and the pressurisation information of the fluid in the housing.