Backing-Based Additive Part Batches for Efficient CT Metrology
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Solution Overview
Problem
Efficient processing of large numbers of additively manufactured parts through CT imaging apparatus for quality control is challenging due to the difficulty in timely capturing significant metrology data.
Innovation Solution
A method involving the additive manufacturing of a construct with a backing and parts, inserting the backing into an imaging apparatus in a specific orientation, and then separating the parts from the backing to facilitate efficient data collection, utilizing a backing that can be spirally wound around a core for imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If additively manufactured parts are produced in large numbers, then productivity increases, but the difficulty of processing them through CT imaging apparatus increases
Solution Approach 1:
The invention segments the batch of parts by connecting them individually to a single backing structure, creating a modular construct that can be processed as one unit. This segmentation allows each part to be independently positioned while maintaining collective efficiency in the imaging process.
Solution Approach 2:
The invention merges multiple individual parts onto a single backing structure, creating a unified construct that can be imaged collectively. This combining approach allows simultaneous imaging of multiple parts, dramatically improving throughput compared to processing each part separately.
2Measurement precision
If parts are arranged for efficient imaging, then measurement precision improves, but the ease of operation decreases
Solution Approach 1:
The invention performs preliminary action by pre-arranging all parts in their optimal imaging positions during the additive manufacturing process itself. The parts are constructed on the backing in the exact configuration needed for CT imaging, eliminating the need for post-manufacturing positioning and setup operations.
Solution Approach 2:
The backing structure serves as an intermediary element that facilitates both the manufacturing and imaging processes. It provides a stable platform for constructing parts in precise positions during manufacturing, and then serves as the insertion vehicle for positioning the entire assembly in the CT scanner, simplifying handling while maintaining precision.
Data Source
AI summary
A method of additively manufacturing a plurality of parts in a manner that facilitates efficient collection of metrology data on the parts is described herein. The method includes the steps of: additively manufacturing a construct, the construct comprising: (i) a backing, and (ii) a plurality of parts connected to the backing; inserting the backing into an imaging apparatus in an orientation in which the plurality of parts are positioned for imaging; then imaging the plurality parts in the imaging apparatus to collect image data from each part, and then removing the construct from the imaging apparatus and separating the parts from the backing.