Shearing Apparatus Clamps for Material Stabilization

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Solution Overview

Problem

Existing shearing apparatuses face issues with imprecise unwinding and stabilization of materials on the cutting table, leading to inefficient material usage and instability during cutting, particularly when dealing with multiple layers.

Innovation Solution

The apparatus employs a dual-clamp system with hydraulic or pneumatic actuation for precise locking and stabilization, combined with a motor-driven belt system for accurate advancement of the material, allowing for the simultaneous handling of multiple layers without layer movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual unwinding operation is used, then ease of operation is improved, but manufacturing precision deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidunwinding precision
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The system uses automatic unwinding control where the programmable controller autonomously manages the unwinding process based on stored cutting patterns and material length requirements, eliminating manual operation while ensuring precise material advancement

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates sensors and measurement devices that monitor material unwinding in real-time, providing feedback to the programmable controller to adjust and maintain precise positioning of the material on the cutting table

Inventive Principle:
Principle #23Feedback

2Ease of operation

If suction systems are used for stabilization, then ease of operation is improved, but reliability deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidmaterial stabilization
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system employs pneumatic suction devices with adjustable vacuum pressure to firmly hold the material on the cutting table, providing reliable stabilization that prevents material movement during cutting operations while remaining easy to activate and control

Inventive Principle:
Principle #29Pneumatics and hydraulics

3Reliability

If single layer cutting is used, then reliability is improved, but productivity deteriorates

Engineering Contradiction:
Improvecutting stabilityVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system divides the cutting process into separate operations for different material layers, with the ability to independently position and cut each layer using multiple cutting heads that can operate simultaneously on different layers without compromising cutting stability

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system combines multiple cutting heads and layer positioning mechanisms into a single integrated system, allowing simultaneous cutting of multiple material layers while maintaining the reliability of stable material positioning through the pneumatic suction system

Inventive Principle:
Principle #5Merging (Combining)

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

This solution ensures precise and efficient cutting of materials, including multiple layers, by maintaining material tension and stability, thereby optimizing material usage and reducing production costs and time.

Implementation Method 1

The clamp is effective for ensuring stable positioning of the material to be sheared on the cutting table, thanks to the friction acting on the surface of the material itself

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP2022741B1Shearing apparatus with clamps for carrying and locking the material
Publication Date: 2016.09.07 ATOM SRL
  • EP2022741B1 patent drawingFigure 1
  • EP2022741B1 patent drawingFigure 2
  • EP2022741B1 patent drawingFigure 3

AI summary

A shearing apparatus (10) for material unwound from reels comprises a support frame (12) for a working table (14) whereon a moving tape (16) is wound; said apparatus is provided with means for the temporary stabilisation along at least a crosswise extended zone of said material arranged on the moving tape (16).