Hose Connection Manufacturing Using Axial Compression Moulding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hose connection technologies using metal sheet rolling are limited by the maximum thickness of the metal sheet, which restricts the mechanical properties of the final product and efficiency of the rolling process beyond 0.4 mm thickness.
Innovation Solution
A method involving the processing of a metal sheet to create a semi-processed axially hollow cylindrical piece with a base end and top end, followed by opening the base end, forming an external flange, and shaping at least one external tooth using a mould that induces axial compression for radial expansion, allowing the use of thicker metal sheets up to 0.6 mm for improved mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If rolling technology is used to manufacture hose connections from metal sheet, then production cost is reduced and material usage is optimized, but the maximum processable metal sheet thickness is limited to around 0.4 mm which restricts mechanical properties
Solution Approach 1:
The patent changes the processing method from rolling to a combination of drawing and moulding operations. This parameter change in the manufacturing process enables the use of thicker metal sheets (up to 0.6 mm and above) while maintaining production efficiency and cost-effectiveness, thereby improving mechanical properties without sacrificing ease of manufacture
Solution Approach 2:
The manufacturing process is segmented into distinct operations: drawing the metal sheet into a hollow cylindrical shape, opening the base end, forming the external flange, and finally moulding the hooking teeth. This segmentation allows each operation to be optimized independently, enabling the processing of thicker materials while maintaining overall manufacturing efficiency
2Strength
If metal sheet thickness is increased beyond 0.4 mm to improve mechanical properties, then strength and performance are enhanced, but rolling technology becomes inefficient and less productive
Solution Approach 1:
The patent changes the processing method from rolling to a combination of drawing and moulding operations. This parameter change in the manufacturing process enables the use of thicker metal sheets (up to 0.6 mm and above) while maintaining production efficiency and cost-effectiveness, thereby improving mechanical properties without sacrificing ease of manufacture
Solution Approach 2:
The metal sheet is pre-formed through drawing operations to create a hollow cylindrical shape with the desired base configuration before the final moulding operation. This preliminary action prepares the material in an optimal state for subsequent tooth formation, enabling efficient processing of thicker sheets while maintaining high productivity
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 method enables the production of hose connections with enhanced mechanical properties using metal sheets thicker than 0.4 mm, resulting in better performance compared to thinner sheets while maintaining cost-effectiveness and compliance with environmental regulations.
Implementation Method 1
with a mould which is closed onto a terminal section of the semi-processed piece comprising the base end so as to subject it to an axial compression inducing a plastic deformation of radial expansion towards the outside
Data Source
AI summary
A method of making a hose connection for a hose, including at least the following steps of processing of a metal sheet: drawing for the creation of a semi-processed axially hollow cylindrical piece having a base end and a top end; opening of the base end of the semi-processed piece; forming of an external flange of the semi-processed piece; and forming by a mould of a terminal section of the semi-processed piece comprising the base end for the creation of at least one tooth of hooking to the hose, the mould subjecting the terminal section of the semi-processed piece to an axial compression of a magnitude such as to generate on the terminal section of the semi-finished piece a plastic deformation of radial expansion through which the terminal section shapes to the surfaces of the mould.