Design Support Device for 3D Printing Shape Modification
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Solution Overview
Problem
Manufacturing devices that produce three-dimensional formed objects often struggle with shapes that are unmanufacturable due to specific formation methods, leading to potential manufacturing failures when user-preferred shape data is directly input.
Innovation Solution
A design-support device that receives shape data and device information, identifies unmanufacturable regions, and modifies the shape data to create design data suitable for the manufacturing device, using stored manufacturable modification patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If shape data on a three-dimensional formed object is directly input to a manufacturing device, then the manufacturing process can proceed quickly, but manufacturing failure may occur due to unmanufacturable shapes
Solution Approach 1:
The system performs preliminary analysis of shape data before manufacturing to identify unmanufacturable regions, and automatically modifies these regions using stored modification patterns. This preliminary action prevents manufacturing failures while maintaining quick processing speeds.
2Reliability
If a designer manually reworks shape data to make it manufacturable, then manufacturing reliability improves, but the work becomes complicated and time-consuming
Solution Approach 1:
The system enables self-service by automatically analyzing shape data, identifying unmanufacturable regions, and modifying them using pre-stored modification patterns. This eliminates the need for designer intervention while ensuring manufacturability, thereby improving reliability without increasing complexity.
3Manufacturing precision
If manual reworking of shape data is performed by a designer, then design accuracy for manufacturability improves, but productivity decreases due to complicated work
Solution Approach 1:
The system replaces the mechanical process of manual design review and modification with an automated computational system. The processing unit automatically analyzes shape data and applies modification patterns, maintaining high design accuracy while dramatically improving productivity by eliminating manual reworking.
4Ease of manufacture
If the manufacturing device is used without shape data modification, then the process remains simple, but formed objects with certain unmanufacturable shapes cannot be produced
Solution Approach 1:
The system changes parameters of unmanufacturable regions by applying pre-stored modification patterns that adjust geometric parameters. This allows the manufacturing device to handle a wider range of shapes while keeping the overall process simple and automated.
Data Source
AI summary
A design-support device 1 is a design-support device 1 that supports creation of design data to be input to a manufacturing device 2 that manufactures a three-dimensional formed object. The design-support device 1 includes an input unit that receives shape data 200 on the formed object and device information 100 on the manufacturing device 2, a processing unit that identifies, in the shape data 200, based on the device information 100, a first region of the formed object unmanufacturable by the manufacturing device 2 and creates the design data in which a shape pattern of the first region is modified, a storage unit that stores a manufacturable modification pattern, and an output unit that outputs the design data modified by the processing unit. The processing unit creates the design data by changing the shape pattern of the first region to the modification pattern.