Automated Alternator Bar Shaping Apparatus

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Solution Overview

Problem

The existing methods for shaping alternator bars in electrical energy production plants require significant manual expertise and often result in geometries that do not meet design requirements, leading to inefficiencies and inaccuracies.

Innovation Solution

An automated apparatus with a locking assembly, shaping assembly, cutting assembly, and control device that minimizes operator intervention by precisely shaping and cutting alternator bars into a polygonal chain configuration, ensuring accurate bending and meeting design specifications with reduced manual effort and costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual shaping by operator is used, then flexibility in handling is maintained, but manufacturing precision deteriorates due to inability to consistently meet design requirements

Engineering Contradiction:
Improveoperator handling flexibilityVSAvoidbar geometry accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent replaces manual mechanical shaping operations with an automated shaping apparatus that uses controlled mechanical forces to bend conductor bars into precise geometric configurations. The system substitutes operator skill-based manual manipulation with automated positioning and shaping mechanisms that consistently achieve design specifications.

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

Solution Approach 2:

The patent implements automated control of shaping parameters such as bending force, positioning accuracy, and shaping sequence to achieve consistent geometric precision. By controlling these parameters through the automated system rather than manual operator judgment, the design requirements for bar geometry are reliably met.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If automated shaping apparatus is used, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improvebar geometry accuracyVSAvoidapparatus structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent designs a multi-functional shaping apparatus that can handle various conductor bar configurations and shaping requirements using a single integrated system. The apparatus incorporates universal components such as adjustable clamping mechanisms, reconfigurable shaping tools, and programmable control that can adapt to different bar geometries without requiring separate dedicated equipment for each operation.

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

3Device complexity

If manual shaping is used, then device complexity remains low, but productivity deteriorates due to time-consuming operations

Engineering Contradiction:
Improveapparatus simplicityVSAvoidshaping operation speed
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The patent implements a continuous automated shaping process where conductor bars are sequentially positioned, clamped, shaped, and released without interruption. The system maintains continuous operation by automatically transitioning between bars and shaping operations, eliminating the downtime and repositioning delays inherent in manual processes, thereby significantly increasing productivity.

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 apparatus achieves precise shaping with minimal human error, reducing manual labor and ensuring that alternator bars are shaped accurately and efficiently, with studies showing deviations of less than decimal levels, and operates within compact spaces.

Implementation Method 1

a pressing element (26) configured to apply a pressing force on a portion of the bar (2) coming out from the clamping unit (16) and arranged between the abutment element (25) and the pressing element (26)

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentEP3046234B1Method and apparatus for shaping at least one alternator bar
Publication Date: 2018.08.01 ANSALDO ENERGIA SPA
  • EP3046234B1 patent drawingFigure 1
  • EP3046234B1 patent drawingFigure 2
  • EP3046234B1 patent drawingFigure 3

AI summary

An apparatus for shaping at least one alternator bar (2) is provided with at least one shaping assembly (4), which is configured to shape at least one portion of the bar (2), and with a moving assembly (7), which is configured to move at least the shaping assembly (4) with respect to the bar (2).