Template for Controlled Material Application Around Protuberances
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Solution Overview
Problem
The consistent and accurate application of materials, such as adhesives or sealants, around protuberances on workpieces is challenging due to complications like material not reaching the base, contamination of unintended areas, and difficulties in conforming to specific shapes, especially with varying flow characteristics.
Innovation Solution
A template system comprising two portions, where one portion is geometrically complementary to the protuberance's base and includes a positioning opening, an adhesive layer, and a visual material-placement indicator, allowing precise alignment and controlled application of material around the protuberance by ensuring the material does not exceed a defined boundary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If material is applied around a protuberance without a template, then the application process is simple, but the material may not reach the base of the protuberance or may contaminate unintended areas
Solution Approach 1:
A template is introduced as an intermediary device between the material application source and the workpiece. The template includes a positioning opening that receives the protuberance and defines a precise application area, ensuring material is deposited only where intended while reaching the base of the protuberance without contaminating surrounding areas.
Solution Approach 2:
The template is positioned and aligned on the workpiece before material application occurs. The positioning opening is pre-configured to match the protuberance geometry, and the template remains in place during material deposition to maintain precise control over the material application pattern.
2Manufacturing precision
If a template is used to control material application, then material placement accuracy is improved, but the template structure becomes more complex
Solution Approach 1:
The template is divided into a first portion and a second portion that can be removably attached together. The first portion includes the positioning opening for the protuberance, while the second portion contains the material application surface. This segmentation allows for easier manufacturing, assembly, and maintenance of each component while maintaining overall functional precision.
3Shape
If material is applied to conform to a particular shape around the protuberance, then the final product quality is improved, but the application process becomes more difficult to control
Solution Approach 1:
The template includes a second portion with a surface that is geometrically complementary to the desired material shape. This portion acts as a physical copy or mold that defines the exact shape the material should conform to. As material is applied over this surface, it naturally assumes the required geometry without requiring complex manual shaping or control procedures.
Data Source
AI summary
A template (100) for controlling application of material (620) around a protuberance (610) is disclosed. The protuberance (610) extends from a workpiece (600) and has a base (612). The template (100) comprises a first portion (110) and a second portion (130), removably attached to the first portion (110). The first portion (110) comprises a first inner peripheral edge (111) that at least partially defines a positioning opening (115) and that is geometrically complementary to at least a portion of the base (612) of the protuberance (610). The first portion (110) also comprises a first-portion environment-facing surface (114). The second portion (130) comprises a second-portion environment-facing surface (136), which partially overlaps with and is removably attached to the first-portion workpiece-facing surface (114), forming an interface (120) between the first-portion workpiece-facing surface (114) and the second-portion environment-facing surface (136).