CNC Tool Setting With Touchscreen Inspection for Single-Part Rework
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Solution Overview
Problem
CNC machine systems face limitations in providing intuitive user interfaces for performing tasks directly through a touch screen interface while viewing the work piece, especially for single piece-part processing and offline inspection, which increases complexity and requires additional re-working steps.
Innovation Solution
A method that involves automatically inspecting and re-executing movements of CNC machine components, capturing images, and displaying them to users for intuitive process indication and sequence addition through a graphical user interface, allowing users to perform additional processes directly on the work piece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If CNC machines rely on pre-programmed settings for automated operation, then automation and productivity are improved, but flexibility for single piece-part processing and adaptability to offline inspection requirements deteriorate
Solution Approach 1:
The system dynamically adapts between automated pre-programmed operation and manual interactive control based on production needs. The touch screen interface enables real-time modification of processing parameters and inspection routines, allowing the CNC machine to transition from rigid automation to flexible adaptive operation for single piece-parts or offline inspection scenarios
Solution Approach 2:
The system incorporates automated inspection capabilities that can independently verify piece-part quality without external intervention. The CNC machine performs self-inspection using integrated sensors and vision systems, automatically detecting defects and triggering alarms, thereby maintaining high automation while providing adaptability for quality control in both production and offline modes
2Manufacturing precision
If comprehensive inspection and re-working processes are implemented for CNC piece-parts, then manufacturing precision and reliability are improved, but device complexity and operational complexity increase
Solution Approach 1:
The inspection system is merged with the CNC machine's existing control and motion systems. The same motors, controllers, and positioning mechanisms used for machining are repurposed for inspection movements, eliminating the need for separate dedicated inspection hardware and reducing overall system complexity while maintaining inspection accuracy
Solution Approach 2:
The CNC machine's movement capabilities serve dual purposes: both for the primary machining operation and for subsequent inspection and re-working processes. The tool can perform cutting, drilling, and also inspection movements and re-working operations using the same hardware platform, thereby providing comprehensive quality control without increasing device complexity
3Manufacturing precision
If offline inspection and re-working capabilities are added to CNC systems, then manufacturing precision and quality control are improved, but ease of operation deteriorates due to additional complexity
Solution Approach 1:
The system implements automated feedback loops where inspection results are immediately communicated to the operator through the touch screen interface. Defects are automatically detected, located, and reported with precise positioning information, enabling operators to quickly understand quality issues and initiate re-working without complex manual inspection procedures, thereby maintaining ease of operation while improving quality control
4Ease of operation
If a touch screen interface displaying the work piece is used for direct user interaction, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The touch screen interface displays a visual copy or representation of the work piece, allowing operators to interact with a digital model rather than the physical object directly. This graphical interface provides intuitive visual feedback and simplifies operations by presenting information in a familiar, easy-to-understand format without requiring complex physical controls or procedures
Data Source
AI summary
Computer numerical control (CNC) machines execute a process automatically unless a condition occurs that triggers one or more alarms that terminate the process. Accordingly, CNC laser cutting post-process inspection is usually non-existent or minimal. However, with CNC laser welding it is more common for a visual inspection or automated inspection to be performed to verify that the process was completed. Similar issues occur when single piece parts are required in addition to which executing an offline inspection requires additional complexity in re-working any piece part. Accordingly, embodiments of the invention provide enterprises and facilities employing CNC laser cutting/welding systems with a means to overcome these limitations. Further, providing intuitive user interfaces allows the user to perform tasks directly through a touch screen interface they are viewing the work piece/piece-parts upon.