Coil-Fed Sheet Processing Line for Low-Waste Part Cutting

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Solution Overview

Problem

Conventional metal processing systems face inefficiencies in producing parts from sheet material due to material wastage, increased production time, and space requirements, primarily caused by the limitations of standard sheet material dimensions and excessive handling.

Innovation Solution

An integrated system that processes sheet material from a coiled strip, incorporating stations for leveling, cleaning, and cutting, which reduces material curvature, minimizes waste, and optimizes material utilization by allowing longer sheet material lengths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If standard sheet material dimensions are used, then handling and processing is simplified, but material wastage increases and production efficiency decreases

Engineering Contradiction:

Improvehandling simplicityVSAvoidmaterial wastage

Core Design Contradiction:

Ease of manufactureVSLoss of substance

Solution Approach 1:

The system segments the processing into distinct stations (uncoiling, leveling, cleaning, cutting) that work on continuous sheet material, allowing each station to perform its function independently on the material as it passes through, thereby reducing waste while maintaining processing simplicity

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system implements continuous processing where sheet material flows continuously through multiple stations without interruption or rehandling. The uncoiling station feeds continuously into the leveling station, which feeds into the cleaning station, and finally the cutting station, eliminating the need to handle discrete sheets and reducing material wastage

Inventive Principle:

Principle #20Continuity of useful action

2Manufacturing precision

If multiple processing steps are performed separately, then each operation can be optimized, but production time increases due to handling and positioning

Engineering Contradiction:

Improveoperation optimizationVSAvoidproduction time

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent merges multiple processing operations (uncoiling, leveling, cleaning, cutting) into a single integrated system where all stations work simultaneously on the same continuous sheet material. This eliminates the need to transfer material between separate machines and reduces production time while maintaining operation optimization

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated system performs multiple functions (uncoiling, leveling, cleaning, cutting) within a single processing line, allowing the sheet material to undergo all necessary operations in one continuous pass without being handled or repositioned between separate machines

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If sheet material is handled and repositioned between operations, then processing flexibility is improved, but space requirements increase and production efficiency decreases

Engineering Contradiction:

Improveprocessing flexibilityVSAvoidspace requirements

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The system maintains continuous material flow through all processing stations without interruption or rehandling. The sheet material moves continuously from the uncoiling station through leveling, cleaning, and cutting operations, eliminating the need for intermediate storage spaces and reducing overall facility space requirements while maintaining processing flexibility

Inventive Principle:

Principle #20Continuity of useful 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 system reduces material waste by up to 3-4% and enhances production efficiency by minimizing interruptions and handling, thus reducing production time and space requirements.

Implementation Method 1

a stretcher apparatus configured to manipulate the strip of sheet material by gripping the strip at two spaced locations on the strip and applying a tension force to a portion of the strip material located between the locations to increase the flatness of the portion of the strip between the locations

Methodology Applied

Scientific EffectTension: Tension

Data Source

PatentUS12263518B1Integrated system for producing articles from sheet material

Publication Date: 2025.04.01 HUGHES NETWORK SYST

AI summary

A system for producing parts from a strip of sheet material wound in a coil may have a plurality of stations, including a preliminary station for holding the coil, a first leveling station for receiving the unwound portion of the strip from the preliminary station to manipulate the strip in a manner to reduce an initial curvature of the strip, a cleaning station for cleaning at least a region of one of the strip, and a cutting station positioned along the material path and configured to cut the strip of sheet material, the cutting station being configured to cut the strip of sheet material to form the parts.