Deep-Drawn Metal Cup Retaining Element for Window Locking
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Solution Overview
Problem
Existing methods for producing locking parts for window and door fitting arrangements face challenges in balancing low production costs with sufficient stability, while also being limited by design variants achievable through stamping and bending.
Innovation Solution
A method involving deep-drawing a flat metal component into a cup-shaped holding part with a plastic adjustment body, allowing for increased stability and cost-effectiveness, and enabling adaptation to different frame configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If stamping and bending processes are used to manufacture strike plates, then manufacturing costs can be kept low, but the stability and strength of the locking component are insufficient
Solution Approach 1:
The locking component is divided into two separate parts: a cup-shaped retaining element made by deep drawing and a strike plate made by stamping and bending. The retaining element provides structural stability and strength, while the strike plate can be manufactured cost-effectively through conventional stamping and bending processes. This segmentation allows each component to be optimized for its specific function.
Solution Approach 2:
The locking component combines two different manufacturing processes and material configurations: a deep-drawn metal cup-shaped retaining element and a stamped metal strike plate. This composite approach leverages the strength advantages of deep drawing for the load-bearing retaining element while maintaining cost-effectiveness through stamping for the strike plate.
2Adaptability or versatility
If stamping and bending processes are used to manufacture strike plates, then manufacturing costs can be kept low, but design options are limited
Solution Approach 1:
By separating the locking component into a retaining element and a strike plate, the design gains flexibility. The retaining element serves as a standardized base structure that can accommodate various strike plate designs, enabling diverse locking mechanisms while maintaining cost-effective manufacturing through stamping and bending for the strike plate portion.
3Strength
If thicker metal material is used to increase stability of stamped and bent parts, then strength is improved, but manufacturing cost increases
Solution Approach 1:
The design separates the structural load-bearing function (retaining element) from the locking function (strike plate). The retaining element uses deep drawing to achieve high stability with thinner material, while the strike plate uses conventional stamping and bending. This segmentation eliminates the need to use thick material throughout the entire component.
Solution Approach 2:
The invention changes the manufacturing process parameter from stamping and bending to deep drawing for the retaining element. This process change enables the use of thinner material (reducing cost) while achieving superior stability and strength through the deep-drawn cup shape, which inherently provides better structural integrity than stamped and bent parts of the same thickness.
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 deep-drawn metal-plastic composite locking part achieves higher strength and cost-effectiveness compared to solid metal components, with the ability to be manufactured using thinner materials and adapted for various frame configurations.
Implementation Method 1
the flat raw component is formed into the retaining part in a deep-drawing process
Data Source
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AI summary
The invention relates to a method for producing a closing part for a fitting arrangement pertaining to a window, a door or the like. According to said method, a flat blank component consisting of metal is provided and shaped to form a holding part defining at least one holding section for a locking element of the window, the door or the like. The flat blank component is shaped to form the holding part in a deep-drawing process.