Press Tool Marking Layout for Undisturbed Press Tab Deformation
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Solution Overview
Problem
Existing pressing tools for press fittings with a press lug face challenges in ensuring safety and quality, particularly due to the risk of markings on the press lug influencing plastic deformation, which can deteriorate the pressing process.
Innovation Solution
A pressing tool design with a marking device located on the side of the pressing tool facing the cylindrical part of the press fitting, using projections or recesses to create markings on the cylindrical part, thereby minimizing the impact on the press lug's deformation and ensuring clear, reliable markings for quality and authenticity tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a marking device is placed on the pressing part facing the press lug, then clear markings are achieved for quality tracking, but the plastic deformation of the press lug is influenced and the pressing process deteriorates
Solution Approach 1:
The pressing tool is divided into distinct functional zones: the marking device is positioned on the pressing part that contacts the cylindrical part, while the press lug is contacted by a separate pressing surface. This segmentation allows the marking function to be isolated from the pressing function, preventing the marking projections from interfering with the plastic deformation of the press lug while still achieving clear markings on the cylindrical part for quality tracking.
Solution Approach 2:
The cylindrical part of the fitting serves as an intermediary element between the marking device and the press lug. The marking device creates markings on the cylindrical part, which then transmits the marking information to the press lug area without the marking device directly contacting or deforming the press lug. This intermediary approach allows marking without compromising pressing quality.
2Reliability
If the marking device uses projections or recesses on the pressing part, then reliable markings are created for tool authentication, but the deformation process of the press lug may be affected
Solution Approach 1:
The pressing tool exhibits local quality differentiation: the pressing part has projections or recesses specifically positioned to contact only the cylindrical part for marking purposes, while other areas of the pressing tool have smooth surfaces designed for contacting and deforming the press lug. This localized functional differentiation ensures that the marking features (projections/recesses) do not create harmful deformation effects on the press lug, as they are spatially separated from the pressing contact zone.
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 design enhances the safety and quality of the pressing process by reducing the risk of deformation on the press lug while providing clear, reliable markings for documenting the pressing tool's quality, authenticity, and usage, facilitating differentiation between tool sizes and operation types.
Implementation Method 1
the press lug is to be plastically pressed together perpendicularly to an axial direction of the cylindrical part of the fitting in order to clamp the cylindrical part and press it onto the line
Implementation Method 2
the mutually facing and with respect to the pressing movement of the pressing tool front parts of the pressing parts are wedge-shaped and designed to grip a cylindrical part of the fitting facing foot of the pressing tab and to compress during the pressing movement
Data Source
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AI summary
The invention relates to a press tool for a fitting with a cylindrical part and a press tab projecting from it, wherein the press tool has marking devices on pressing parts provided for the plastic deformation of the press tab for producing markings of pressed press tabs, namely on a side facing the cylindrical part of the press fitting.