Automated Thermal Plate Shaping for Naval Shipbuilding
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Solution Overview
Problem
The current manual process for shaping metal plates in naval shipbuilding is inefficient and lacks precision, often requiring additional metalworking to meet strict specifications, and is unable to produce complex or curved shapes effectively.
Innovation Solution
An automated thermal plate forming system using a robotic arm for heating and a quenching system for cooling, combined with path planning software that compares the plate's shape to a target specification and applies heating patterns to achieve the desired shape within prescribed tolerances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual shaping process is used by skilled craftsmen, then complex or curved plate shapes can be achieved, but production time is excessive and precision is insufficient to meet strict specifications
Solution Approach 1:
The patent replaces manual mechanical shaping operations with an automated thermal processing system that uses controlled heating and cooling to deform metal plates into precise shapes. The system applies thermal energy selectively to specific regions of the plate, causing controlled expansion and contraction that achieves the desired curvature and complexity without manual intervention, thereby simultaneously improving precision and reducing production time.
Solution Approach 2:
The patent changes the physical state and thermal parameters of the metal plate during processing. By controlling temperature distribution across the plate surface through automated heating elements, the system induces controlled thermal expansion and subsequent cooling-induced contraction to achieve precise shaping. This parameter-based approach allows rapid iteration and adjustment compared to manual methods.
2Productivity
If automated thermal processing is implemented, then production time and precision are improved, but device complexity increases
Solution Approach 1:
The automated system integrates multiple functions into a single platform: heating elements for thermal processing, cooling mechanisms for quenching, sensors for real-time shape monitoring, and control software for path planning. This multi-functional integration achieves high productivity while managing complexity through consolidation rather than separate dedicated systems for each operation.
Solution Approach 2:
The system incorporates automated feedback loops where sensors continuously monitor plate shape during processing, and the control system automatically adjusts heating patterns and cooling rates to achieve target specifications. This self-regulating capability reduces the need for complex manual intervention and external monitoring systems.
3Adaptability or versatility
If press bending is used to assist shaping, then some plate deformation can be achieved, but complex or curved shapes cannot be produced
Solution Approach 1:
The thermal processing system applies heat locally to specific regions of the plate rather than uniformly across the entire surface. By controlling the spatial distribution of thermal energy through programmable heating elements and selective heating paths, the system induces localized expansion and contraction that creates complex curvatures and three-dimensional shapes with high precision, overcoming the limitations of uniform press bending.
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 system significantly reduces production time and improves precision, enabling the efficient and accurate shaping of metal components for naval vessels, transforming unshaped plates into precision-shaped components.
Implementation Method 1
applying heat to a first surface of the plate... in order to move stresses around in a plate to acquire the desired shape
Implementation Method 2
applying heat to a first surface of the plate and a liquid coolant to a second surface of the plate
Data Source
AI summary
An automated plate shaping and verification system allows for the accurate and efficient transformation of a metal plate from a starting shape to a target shape. Using a method for path planning, the system can select heating patterns based on modeling the expected deformation of a particular material type and thickness and identifying candidate heating paths that will sufficiently cause the plate to transform towards the target shape.