Modular Workstation Fixture for Repeatable Workpiece Positioning
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Solution Overview
Problem
Existing fixtures require customization for different workpieces or tasks, leading to inefficiencies in positioning and repositioning workpieces accurately and securely.
Innovation Solution
A modular workstation with adjustable components, datum pins, and support structures that accommodate various workpiece sizes and orientations, allowing for quick assembly and disassembly, and incorporating sensors for tool proximity detection to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If custom fixtures are created for different workpieces or tasks, then positioning accuracy and task-specific functionality are improved, but device complexity and manufacturing time increase
Solution Approach 1:
The workstation is designed with a universal base structure that can accommodate multiple types of workpieces and tasks through interchangeable components. The modular design includes removable clamps, adjustable support structures, and configurable tool holders that can be adapted to different fabrication needs without requiring custom fixture design for each task.
Solution Approach 2:
The fixture system is divided into modular, interchangeable components including separate clamps, support structures, and tool holders. These segmented elements can be independently adjusted, removed, or reconfigured based on the specific workpiece geometry and task requirements, reducing the need for complete custom fixture design.
2Adaptability or versatility
If custom fixtures are created for different tasks, then task-specific functionality is improved, but productivity and efficiency deteriorate due to repeated customization
Solution Approach 1:
The workstation incorporates dynamically adjustable components including movable clamps with thumb screws, adjustable support heights, and reconfigurable tool holder positions. These dynamic elements allow rapid adaptation to different tasks without requiring time-consuming custom fixture fabrication, maintaining both versatility and productivity.
3Adaptability or versatility
If workpiece positioning is made adjustable for different geometries, then adaptability is improved, but positioning precision and repeatability may worsen
Solution Approach 1:
The workstation includes pre-configured reference surfaces, datum features, and standardized mounting locations that establish precise positioning baselines before workpiece attachment. These preliminary reference elements ensure that even with adjustable components, the workpiece can be repeatedly positioned with high accuracy relative to the workstation coordinate system.
Data Source
AI summary
Workstation for performing a task on a workpiece using a tool. Some implementations of the invention allow an adjustable shelf to be used to position a workpiece on the workstation. Some implementations of the invention include a support bar for partially supporting a tool as the task is performed on a workpiece coupled to the workstation. Some implementations of the invention allow a workpiece to be positioned at a reference location or orientation relative to the workstation. Some implementations of the invention allow a tool to perform an action based on determining the position of the tool relative to the workstation using computer vision techniques to analyze a feature of the workstation.