Welding Gun Start-Position Adaptation for Nonplanar Stud Bonding
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Solution Overview
Problem
Existing methods for fastening studs to substrates are user-dependent and lack precision, especially on nonplanar surfaces, due to reliance on manual adjustment and visual inspection, which can lead to inconsistent bonding quality.
Innovation Solution
A welding gun with a holding device, stud lifting device, and immersing device that automatically adjusts the immersing start position based on the contact surface, using a combination of springs and locking elements to ensure consistent positioning on nonplanar substrates, and a control system for precise control of welding parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment and visual inspection are used for welding parameters, then device complexity is reduced, but manufacturing precision and reliability deteriorate due to user dependency and inconsistency
Solution Approach 1:
The welding gun automatically adapts the immersing start position based on the actual position of the contact surface on the substrate. The position adaptation device enables the system to self-adjust without user intervention, ensuring consistent bonding quality while maintaining relatively simple device architecture through automatic rather than fully automated control
Solution Approach 2:
The system uses the actual contact surface position as feedback to automatically adjust the immersing start position. This feedback mechanism ensures that the welding parameters are adapted to the specific substrate conditions, improving manufacturing precision while avoiding complex automated control systems
2Manufacturing precision
If the immersing start position is fixed relative to the bearing element, then device complexity is reduced, but manufacturing precision deteriorates on nonplanar substrates with curvatures or surface irregularities
Solution Approach 1:
The position adaptation device dynamically adjusts the immersing start position based on the actual contact surface position. This dynamic adjustment capability allows the system to accommodate nonplanar substrates with curvatures or surface irregularities while maintaining relatively simple device structure through adaptive rather than rigid positioning
Solution Approach 2:
The system changes the position parameter of the immersing start position based on the contact surface location. This parameter adaptation ensures accurate welding on nonplanar substrates without requiring complex mechanical positioning mechanisms, as the adjustment is made through controllable position variation
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
The solution enables easier and improved fastening of studs to substrates by ensuring consistent bonding quality on various surfaces, including those with curvatures or dirt, through automated adjustment and precise control of welding parameters, reducing user dependency and improving the reliability of the bonding process.
Implementation Method 1
the welding gun comprises a holding spring which urges the holding device relative to the stud lifting device in the welding direction. A further advantageous embodiment is characterized in that the welding gun comprises a driving spring which urges the stud lifting device relative to the bearing element in the welding direction
Implementation Method 2
an electric current is applied to it... The energy that is released causes the material of the stud and the substrate to be partially liquefied
Implementation Method 3
the stud is lifted off the substrate to form an arc. The energy that is released causes the material of the stud and the substrate to be partially liquefied
Data Source
AI summary
A welding gun for welding a welding stud to a substrate in a welding direction is provided, comprising a holding device for holding the welding stud during a welding operation, wherein the welding stud has a contact surface which is intended to contact the substrate before and/or during the welding operation, further comprising a stud lifting device for conveying the holding device against the welding direction to an immersing start position, further comprising a stud immersing device for conveying the holding device from the immersing start position in the welding direction, further comprising a bearing element having a bearing surface for supporting the welding gun on the substrate, and further comprising a device for automatically adapting the immersing start position relative to the bearing surface in the welding direction.