Media Library Weld Instructions for High-Volume Assembly Quality
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Solution Overview
Problem
High volume, complex welded assemblies often suffer from welder fatigue due to repetitive and high production rates, leading to missing or defective welds, and manufacturing equipment companies lack sufficient or up-to-date procedural documentation, complicating quality assurance.
Innovation Solution
A media library system is implemented for storing and managing weld process definitions, allowing access to a network-based media library that facilitates the creation, updating, and execution of weld programs, using gestures, voice commands, and video interpretation to generate and display weld instructions, thereby improving weld quality and knowledge transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual or semi-automated production welders are used for high volume complex welded assemblies, then production rates can be maintained, but welder fatigue leads to missing or defective welds
Solution Approach 1:
The system creates digital copies of weld procedures and stores them in a media library, allowing consistent reproduction of weld processes without relying on individual welder skill or attention. The digital weld procedures capture all parameters and steps, enabling automated or semi-automated systems to execute them consistently at high volumes.
Solution Approach 2:
Sensors monitor welding parameters in real-time (current, wire feed, voltage, gas flow) and provide feedback to the control system. This feedback mechanism detects deviations from the digital weld procedure and can alert operators or automatically adjust parameters, preventing defective welds even during high-volume production.
2Reliability
If sensors are used to measure current, wire feed, voltage, and gas flow for quality determination, then defective welds can be identified, but the system complexity increases
Solution Approach 1:
The control system performs multiple functions: it stores digital weld procedures, controls welding parameters, monitors sensor data, and detects defective welds. By consolidating these functions into a single integrated system, the patent reduces overall complexity compared to having separate systems for each function.
Solution Approach 2:
The digital weld procedure acts as an intermediary between the welder's intent and the actual welding process. It translates qualitative welding knowledge into quantitative, machine-executable instructions, simplifying the interface between human operators and automated systems while enabling precise quality control.
3Loss of information
If procedural documentation is passed down informally, then knowledge transfer occurs, but documentation is insufficient or outdated
Solution Approach 1:
The system digitizes weld procedures and stores them in a media library, creating permanent, accurate copies that can be accessed by any operator at any time. This eliminates the problems of informal knowledge transfer where procedures are lost, outdated, or inconsistently interpreted.
Solution Approach 2:
Weld procedures are prepared and stored in digital format before production begins. This preliminary action ensures that all operators have access to the correct, up-to-date procedures from the start, eliminating the need for informal knowledge transfer and reducing errors due to outdated documentation.
Data Source
AI summary
Systems and methods to design part weld processes using media libraries are disclosed. An example system to generate weld instructions for display to a weld operator during a welding sequence, the system including: a processor; and a machine readable storage device comprising machine readable instructions which, when executed by the processor, cause the processor to: provide an interface to define a weld program comprising a sequence of weld instructions for display to a weld operator during a weld sequence; in response to an input specifying a location of an object in a media library, defining an element in the weld program based on an identifier of the object in the media library; and generating the weld program by including the identifier of the object in the media library in association with the element.