Rotatable Asymmetric Preheating for Complex Welding Orientations
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Solution Overview
Problem
Existing welding devices face challenges in reliably preheating components with complex, non-overlapping welding structures due to mismatched orientations, leading to inconsistent preheating and potential welding issues.
Innovation Solution
A preheating arrangement with asymmetric preheating structures and a rotating mechanism that adjusts orientation to match the welding structures of components, ensuring consistent preheating across multiple cycles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed preheating structure is used, then the device complexity is reduced, but the preheating reliability deteriorates when welding structures have different orientations
Solution Approach 1:
The preheating device is made rotatable about a vertical axis, transforming it from a static to a dynamic configuration. This allows the preheating structure to be rotated into different orientations (first and second positions) to match the orientation of welding structures on different sides of the component, ensuring reliable preheating regardless of which side is being welded.
Solution Approach 2:
A single preheating device is designed to serve multiple functions by being rotatable to different positions. The same preheating structure can be oriented to match welding structures on both the first side and the second side of the component, eliminating the need for separate preheating devices for each side and reducing overall system complexity.
2Adaptability or versatility
If the preheating structure is asymmetric and rotatable, then the adaptability to different welding orientations is improved, but the device complexity increases
Solution Approach 1:
The preheating device is designed with an asymmetric configuration relative to the component's welding structures. The preheating structure has a specific asymmetric arrangement that allows it to match asymmetric welding structures when rotated to the appropriate orientation, enabling it to adapt to different welding side requirements.
Solution Approach 2:
The rotatable mechanism provides dynamic repositioning capability, allowing the preheating device to switch between first and second positions to match different welding orientations. This dynamic feature enables a single device to adapt to multiple welding scenarios without requiring multiple fixed preheating structures.
3Ease of operation
If manual orientation adjustment is used, then the ease of operation is improved, but the productivity decreases due to additional setup time
Solution Approach 1:
The preheating device is integrated into the periodic welding cycle, rotating between first and second positions in synchronization with the production rhythm. The device rotates to the appropriate orientation before each welding operation and returns to its initial position afterward, enabling automated, periodic operation that maintains both ease of alignment and high productivity.
Solution Approach 2:
The preheating device automatically rotates to the correct orientation based on the production cycle requirements, eliminating the need for manual intervention. The system self-adjusts by rotating the preheating structure to match the welding structure orientation, thereby maintaining ease of operation while preserving productivity through automated operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures reliable preheating and improved welding quality by aligning preheating structures with welding structures, reducing particulate formation and friction forces, and simplifying the process while maintaining high weld quality.
Implementation Method 1
The basic operation of the welding device including a preheating arrangement is as follows... the two components are preheated at the points to be welded... welding of the first component to the second component takes place, which may be by means of friction or vibration welding
Data Source
AI summary
A preheating arrangement includes a preheating device defining a first plane by a first centerline along a first axis and a second centerline along a second axis perpendicular to the first axis. A first preheating structure is asymmetric with respect to the first and/or the second centerline. A second preheating structure is oriented like the first preheating structure such that, when viewed along a third axis perpendicular to the first plane, the preheating structures are arranged one above the other. A first actuator rotates the preheating device between first and second positions and the preheating structures in the first position have a first orientation and in the second position a second orientation rotated around the axis of asymmetry by 180° or in which they are rotated by an angle α in the range of 0°<α<360°, or 90°≤α≤270° or α=180° around the third axis compared to the first orientation.