Metal Bar Deformation Guide Means for Uniform Thickness
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing apparatus for deforming metal bars into spirals results in a trapezoidal section with a thinner external profile, leading to over-dimensioning and increased wear, necessitating thicker original metal bars and inefficient use of metal material.
Innovation Solution
An apparatus that deforms metal bars into trapezoidal or hexagonal sections using guide means to maintain straight development during deformation, allowing the thicker portion to face the rollers, resulting in spirals with a constant thickness and reduced material usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the metal bar is deformed using conventional rollers without guide means, then the deformation process is simple, but the external profile becomes thinner leading to over-dimensioning and increased wear
Solution Approach 1:
Guide means are introduced as intermediary elements between the rollers and the metal bar. These guide means control the deformation process by maintaining the straight development of the metal bar while it passes through the rollers, preventing the external profile from becoming thinner and ensuring uniform thickness throughout the spiral structure.
2Loss of substance
If thicker original metal bars are used to compensate for the thin external profile, then the structural integrity is maintained, but the material consumption increases and the spiral becomes heavier
Solution Approach 1:
The guide means are positioned to act on the metal bar before the final deformation stage, maintaining its straight development during the rolling process. This preliminary control prevents material waste and ensures that the external profile maintains adequate thickness from the outset, eliminating the need to over-compensate with thicker original bars.
3Productivity
If the metal bar is allowed to assume helical extension during deformation, then the spiral formation is accelerated, but the thickness distribution becomes uneven
Solution Approach 1:
The guide means serve as mediators that constrain the metal bar to maintain straight development during deformation. By preventing premature helical extension, these guide means ensure uniform thickness distribution while still allowing the deformation process to proceed efficiently, achieving both productivity and precision.
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 solution enables the production of lighter spirals with a consistent thickness, reducing material consumption and wear, while maintaining structural integrity.
Implementation Method 1
The rotation of the rollers and the locking and compressing action which they exert causes a crushing of the metal bar (2) with a consequent formation of a spiral (7) having a trapezoidal transversal section
Data Source
AI summary
An apparatus (1) for deforming a metal bar (2) having a rectangular section up to obtaining a metal bar (2) having a trapezoidal section or a hexagonal section, the metal bar (2) having a rectangular section comprising a first lateral wall (3) and a second lateral wall (4) which are opposite one another, and a third lateral wall (5), the apparatus comprising: a first rotatable roller (11) which has a first conical wall (12); a second rotatable roller (13) which has a second conical wall (14); the first roller (11) and the second roller (13) being arranged with respect to one another such that: the first conical wall (12) and the second conical wall (14) are facing one another; and when the metal bar (2) having a rectangular section crosses a spatial region comprised between the first conical wall (12) and the second conical wall (14) with the relative third lateral wall (5) facing externally, they can press respectively against the first lateral wall (3) and the second lateral wall (4), deforming the metal bar (2) until it takes on a trapezoidal or hexagonal shape; guide means for deformation (15) which are arranged with respect to the first roller (11) and the second roller (13) such as to abut the third lateral wall (5) of the metal bar (2) and for guiding the deformation of the metal bar (2) in such a way that the metal bar (2) maintains a straight development, the guide means for deformation (15) being mobile in a distancing-nearing direction with respect to the first roller (11) and the second roller (13).