Fixture-Table Fabrication Square for Stable Welding Alignment
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Solution Overview
Problem
Existing fabrication squares fail to securely hold workpieces in position during the welding process, as they are not designed to align with and attach to conventional metal fixture tables, leading to misalignment due to movement caused by heat application.
Innovation Solution
A fabrication square with a triangular base, 90-degree arms, and matching holes to conventional metal fixture tables, allowing secure attachment with fixture stops and a rotating slot for enhanced alignment and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional squares are used for aligning workpieces, then basic measurement and alignment functions are provided, but the squares cannot securely hold workpieces in position during welding
Solution Approach 1:
The fabrication square combines multiple functions into a single device: it provides alignment markings for measurement, features a hole pattern for attachment to fixture tables, and includes a flat base for stabilizing workpieces. This multi-functional design resolves the contradiction by making the square both a measurement tool and a secure positioning device.
Solution Approach 2:
The fixture table with its standardized hole pattern serves as an intermediary between the square and the workpiece. The square attaches to the table through matching holes, creating a stable reference framework that prevents workpiece movement during welding, thereby resolving the positioning stability issue.
2Manufacturing precision
If workpieces are not securely held during welding, then ease of operation is maintained, but heat application causes movement and misalignment
Solution Approach 1:
The square is divided into functional segments: a base portion for attachment to the fixture table, arm portions for alignment, and hole patterns for secure mounting. This segmentation allows each part to serve its specific function while maintaining overall simplicity, resolving the contradiction between precision and complexity.
Solution Approach 2:
The square is attached to the fixture table before welding begins, establishing a stable reference framework in advance. This preliminary action prevents heat-induced movement during the welding process, ensuring alignment precision without requiring complex active control mechanisms.
3Reliability
If the square is designed with attachment features for fixture tables, then workpiece securing capability is improved, but compatibility with conventional tables is reduced
Solution Approach 1:
The square features a hole pattern that copies the standardized hole pattern found on conventional fixture tables. This copying approach ensures full compatibility with existing tables while providing secure attachment capability, resolving the contradiction between reliability and adaptability.
Data Source
AI summary
Provided is a fabrication square for aligning workpieces. The square includes a triangular shaped base, a first arm, a second arm, and a relief cut where the arms intersect the base. The arms extend away from the base at a 90-degree angle. The base and first arm further include a series of holes that match the hole pattern found on a conventional metal fixture table, while the second arm includes a slot to allow for rotation. The square can be aligned with and attached to the fixture table with one or more fixture stops that secures the square to the table via the holes. The use of the square, fixture stops, and table lock the workpieces in position, which in turn prevents movement before, during, and after welding, thereby increasing fabrication precision.