Joining Surface Treatment Device Primer Drying
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Solution Overview
Problem
Current joining surface treatment methods for components like glass and metal in the automotive industry face challenges with long drying times of solvent-based primers, environmental concerns due to solvent release, and inefficient energy use, particularly in accelerating production processes for high-quality glue joints.
Innovation Solution
A joining surface treatment device and method that incorporates a heat source for pre-heating and post-heating the surface of a component, combined with a primer application device for hydro primer application, optimizing primer temperature and airing time, and minimizing energy consumption by targeted heating only the areas where the primer is applied.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If solvent-based primer is used for surface treatment, then adhesion enhancement is achieved, but airing time is extended and environmental pollution increases
Solution Approach 1:
The patent changes the chemical composition parameter of the primer from solvent-based to water-based (hydro primer), fundamentally altering the evaporation characteristics. This parameter change reduces the airing time from approximately 30 seconds to a significantly shorter duration while maintaining adhesion enhancement effectiveness, and eliminates solvent release into the environment.
Solution Approach 2:
The patent implements periodic heating cycles during the primer application and drying process. The heating device applies heat in controlled intervals to accelerate the evaporation of water from the hydro primer, thereby reducing the overall airing time while ensuring complete drying before gluing operations.
2Productivity
If heating is applied to accelerate primer drying, then productivity is improved, but energy consumption increases
Solution Approach 1:
The heating device is designed to apply heat locally only to the specific areas where primer has been applied, rather than heating the entire component or surrounding area. This localized heating approach accelerates primer drying in the treatment zones while minimizing energy consumption and avoiding unnecessary heating of already dry or non-treatment areas.
Solution Approach 2:
The heating process is segmented into distinct phases: pre-heating before primer application, heating during primer application, and post-heating during drying. This segmentation allows optimized energy usage at each stage, applying heat only when and where it is most effective for reducing airing time.
3Reliability
If black primer with soot particles is used, then adhesion is improved, but soot distribution in surrounding area occurs and cleaning requirements increase
Solution Approach 1:
The patent fundamentally changes the primer composition parameter by replacing solvent-based black primer containing soot particles with water-based hydro primer. This parameter change eliminates the harmful soot particle distribution issue entirely while maintaining the adhesion enhancement function through the chemical properties of the hydro primer formulation.
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
This approach significantly reduces the airing time of the primer, optimizes the cycle time for producing high-quality glue joints, and reduces environmental impact by using a solvent-free hydro primer, ensuring compliance with safety and warranty requirements while minimizing energy waste.
Implementation Method 1
at least one heat source (22, 24, 28, 29) for heating a portion of a surface of a first component (4)
Implementation Method 2
a primer application device (23) for applying a primer to a portion of the surface of the first component (4)
Implementation Method 3
The airing time is the time required by the primer to prepare the surface for gluing and to completely evaporate or ventilate air from the surface after being applied to the surface
Data Source
AI summary
A joining surface treatment device and a joining surface treatment method for treating a joining surface of a component which joining surface is used for joining two components, the joining surface treatment device comprising at least one heat source for heating a portion of a surface of a first component at which portion the first component shall be joined with a second component; and a primer application device for applying a primer to a portion of the surface of the first component which portion is heatable by the at least one heat source, wherein the at least one heat source is arranged so that it can heat the first component before and/or after applying the primer.