Panel Cutting Machine Abutment Position Verification

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Solution Overview

Problem

Existing cutting machines for panels risk incorrect positioning of abutments, leading to suboptimal cutting optimization and potential safety hazards, which are costly and unsafe for operators.

Innovation Solution

A cutting machine with positioning means, such as abutments sliding on stop bars, connected to a central control unit that provides graphical displays and warning signals (audio and optical) to ensure correct positioning before cutting operations, and blocking mechanisms to prevent incorrect cuts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the user manually positions abutments based on display indications, then the cutting optimization can be achieved, but the risk of incorrect positioning and safety hazards increases

Engineering Contradiction:
Improvecutting precisionVSAvoidpositioning accuracy
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The system continuously monitors the actual position of abutments using sensors and magnetic rods, compares it with the target position from the cutting program, and provides real-time feedback through warning signals (visual and acoustic) when positioning errors are detected, enabling the operator to correct mistakes before cutting begins

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces manual visual positioning with an automated detection system using magnetic rods embedded in the stop bar and sensors on abutments that automatically detect and communicate position data to the control unit, eliminating reliance on operator judgment and display reading

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

2Productivity

If the user relies on display instructions for abutment positioning, then cutting optimization is possible, but material waste and safety risks increase due to potential errors

Engineering Contradiction:
Improvecutting efficiencyVSAvoidmaterial waste
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The control unit receives position data from sensors and compares it with the optimized cutting program requirements, providing real-time feedback through warning signals when positioning errors are detected, allowing operators to correct mistakes before cutting begins and prevent material waste

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary position verification of abutments before the cutting operation starts, detecting positioning errors in advance and alerting the operator through multiple warning signals, thereby preventing incorrect cuts and material waste before they occur

Inventive Principle:
Principle #10Preliminary action

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 solution significantly reduces the risk of incorrect cuts, minimizes material waste, and enhances operator safety by ensuring precise positioning and adherence to optimized cutting sequences.

Implementation Method 1

magnetic rods can be included on the stop bar, and respective sensors on each abutment, which allow determining the absolute or relative position of the same abutments

Methodology Applied
Scientific EffectMagnetic field detection: Magnetic Field

Data Source

PatentEP3795313B1Method for cutting panels and machine for carrying out this method
Publication Date: 2022.10.19 SCM GRP
  • EP3795313B1 patent drawingFigure 1~2
  • EP3795313B1 patent drawingFigure 3~4
  • EP3795313B1 patent drawingFigure 5~6

AI summary

The present invention relates to a method for cutting panels (P), such as panels made of wood, plastic, fiberglass, aluminum and the like, by means of a cutting machine (1), wherein said cutting machine (1) comprises at least one stop bar(31, 32) and positioning means (4), movable along said at least one stop bar (31, 32), wherein said method comprises the steps of: A. obtaining from said panel (P) a plurality of parts and providing a graphical display of said panel (P) broken down into said plurality of parts and B. displaying a sequence of operations indicating how to manage said panel (P) for cutting it by means of a cutting machine (1) in said plurality of parts, wherein said sequence of operations comprise the positioning indication of said positioning means (4) on said at least one stop bar (31, 32), wherein said method is characterized in that of C. providing a warning signal when said positioning means (4) are positioned on said stop bars (31, 32) according to the indication provided on said step B while executing of at least one cutting operation of said panel (P). The present invention also relates to a cutting machine (1), a computer program and a storage medium.