Welding Positioning Stand With Orientation Sensing Feedback

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Solution Overview

Problem

It can be difficult for less experienced human operators to accurately judge whether their welding technique is good or bad, which can negatively impact the quality of welds.

Innovation Solution

A portable welding technique monitoring system that includes a positioning stand with an adjustment mechanism, a workpiece holder, an orientation sensor, and processing circuitry to determine and adjust the workpiece orientation, using inertial measurement units and mobile devices to provide guidance on proper positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If portable monitoring systems are used, then ease of operation and portability are improved, but measurement precision and reliability may be compromised

Engineering Contradiction:
ImproveportabilityVSAvoidworkpiece orientation detection accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent replaces traditional mechanical orientation measurement devices with electronic sensors (accelerometers, gyroscopes, magnetometers) integrated into mobile devices. This substitution enables portable monitoring while maintaining measurement precision through digital sensing capabilities that are less susceptible to mechanical wear and alignment errors.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces processing circuitry as an intermediary between the sensors and the user interface. This intermediary component processes raw sensor data to calculate workpiece orientation angles, compensates for sensor errors, and provides guidance feedback to operators, thereby ensuring measurement accuracy despite the portable nature of the system.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If real-time feedback systems are implemented, then welding quality is improved, but device complexity increases

Engineering Contradiction:
Improveweld qualityVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent utilizes mobile devices (smartphones, tablets) that operators already possess, leveraging their existing sensors, processing power, and display capabilities. This multi-functional approach provides real-time feedback without requiring a dedicated complex monitoring system, thereby improving weld quality while minimizing additional device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses the mobile device's own built-in sensors (accelerometer, gyroscope, magnetometer) to perform orientation measurements and calculations. The device serves itself by utilizing its inherent capabilities rather than requiring external specialized equipment, thus providing real-time feedback while keeping the system relatively simple.

Inventive Principle:
Principle #25Self-service

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 effectively assists operators in achieving proper workpiece orientation, enhancing weld quality by providing real-time feedback and guidance, making it suitable for both training and production scenarios.

Implementation Method 1

an orientation sensor configured for connection to the positioning stand such that a sensor orientation of the orientation sensor will change when the positioning stand orientation changes, the orientation sensor being configured to capture orientation sensor data relating to the positioning stand orientation

Methodology Applied
Scientific EffectGravitation: Gravitation

Implementation Method 2

the orientation sensor being configured to capture orientation sensor data relating to the positioning stand orientation

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Data Source

PatentEP4631661A1Welding systems with positioning stand and orientation sensor
Publication Date: 2025.10.15 ILLINOIS TOOL WORKS INC
  • EP4631661A1 patent drawingFigure 1a
  • EP4631661A1 patent drawingFigure 1b
  • EP4631661A1 patent drawingFigure 1c

AI summary

The present application relates to a welding-type system (100) with a stand (102) comprising portable technique systems for monitoring the technique of operators during a welding-type operation, and/or providing technique feedback. In some examples, the portable technique monitoring system is designed to work with a mobile device that is highly portable. The portable technique monitoring system can also work with standard and/or common workpieces, tools, and/or equipment. The few custom components that are required for the portable technique monitoring system are lightweight, and highly portable, as is the system itself, making it a very attractive solution for technique monitoring in both training and production scenarios.