Adjustable Ferris Wheel Positioner for Arc Welding
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Solution Overview
Problem
Ferris wheel positioners in arc welding systems face challenges in accommodating workpieces of varying lengths due to fixed span limitations, which restrict their versatility and efficiency in handling different sizes and fixtures.
Innovation Solution
The ferris wheel workpiece positioner features adjustable rails and support systems on both sides, allowing the workpiece holder to rotate about a central axis and enabling the workpiece supports to slide along rails for adjustable positioning, accommodating workpieces of different lengths and fixtures through a locking mechanism for secure placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the positioner uses fixed span supports, then the structure is simple and stable, but it cannot accommodate workpieces of varying lengths
Solution Approach 1:
The support system is transformed from a fixed configuration to a dynamic, adjustable one. The supports can slide along the rails to change their position, allowing the span between supports to be adjusted according to the length of different workpieces. This dynamic adjustment capability resolves the contradiction by enabling versatility while maintaining a relatively simple overall structure.
Solution Approach 2:
The positioner structure is divided into modular components: fixed rails and movable supports. The supports are segmented into independent units that can be positioned separately along the rails, allowing flexible configuration for different workpiece lengths without requiring complete structural redesign.
2Adaptability or versatility
If the positioner is designed for a specific span, then manufacturing is simple, but versatility for different workpiece sizes is reduced
Solution Approach 1:
The positioner is designed with universal components that can serve multiple functions. The rails and supports are configured to work together in various combinations, allowing the same basic structure to accommodate different workpiece sizes and types. This multi-functionality achieves versatility without significantly complicating the manufacturing process.
3Length of moving object
If the support position is fixed, then the structure is stable and simple, but the ability to adjust for different workpiece lengths is limited
Solution Approach 1:
The rails serve as an intermediary element between the fixed frame structure and the movable supports. They provide a guided pathway that allows supports to move and adjust their position while maintaining structural stability. This intermediary mechanism enables span adjustment without requiring complex movable frame structures.
Data Source
AI summary
A ferris wheel workpiece positioner may include a base and a workpiece holder operatively connected to the base and configured to be rotated about a central axis. The ferris wheel workpiece positioner may also include a first-side set of rails operatively connected to a first side of the workpiece holder and a second-side set of rails operatively connected to a second side of the workpiece holder. The ferris wheel workpiece positioner may further include a first-side set of workpiece supports including at least one first-side support operatively connected to the first-side set of rails, and a second-side set of workpiece supports including at least one second-side support operatively connected to the second-side set of rails.