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Minimal curved surface structure and manufacturing method thereof

A technology of extremely small curved surface and surface structure, which is applied in the field of extremely small curved surface structure and its production, can solve the problems of complicated process technology, long R&D and production cycle, manual work cannot be ruled out, and achieve the goal of reducing impact load and excellent cushioning performance Effect

Inactive Publication Date: 2020-01-07
INNOGRIT INTELLIGENT TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As far as sports shoes production is concerned, sports shoes production is a technology-intensive production chain, which involves design, CAD modeling, wood mold engraving, trial mold, mold opening, modification, production and other links. Not only the R & D and production cycle Long, complicated process technology, and manual work cannot be ruled out

Method used

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  • Minimal curved surface structure and manufacturing method thereof
  • Minimal curved surface structure and manufacturing method thereof
  • Minimal curved surface structure and manufacturing method thereof

Examples

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Effect test

Embodiment 1

[0041] Such as figure 1 with 2 as shown,

[0042] figure 1 Schematic diagram of the side view structure of the shoe midsole made for the minimal curved surface in the present invention;

[0043] figure 2 Schematic diagram of the isometric view structure of the shoe midsole made for the minimal curved surface in the present invention;

[0044] The invention proposes a very small curved surface structure, the wall thickness of the surface structure of the structure is 0.3mm-4mm, and the side length of the unit structure is 3mm-20mm; the structure is filled and / or spliced ​​and / or spliced ​​by multiple 3D printed units or arrays and / or stages;

[0045]In an optional embodiment: the unit body is formed by filling and / or splicing and / or arraying and / or grading of multiple curved surfaces.

[0046] In an optional embodiment: the curved surface is composed of a curved surface defined by the formula set of cos(x)*sin(y)+cos(y)*sin(z)+cos(z)*sin(x)=0 .

[0047] In an optional ...

Embodiment 2

[0055] The invention also provides a method for making the extremely small curved surface structure;

[0056] Combining with the content of Example 1: the method is based on 3D printing manufacturing, as a preferred technical solution of a 3D printing method of the present invention: various types of 3D printing (or additive manufacturing) technologies can be used;

[0057] 3D printing or "three-dimensional printing" includes various techniques for forming three-dimensional objects by depositing successive layers of material on top of each other;

[0058] Exemplary 3D printing techniques that may be used include, but are not limited to: Fused Filament Fabrication (FFF), Electron Beam Free Forming (EBF), Direct Metal Laser Sintering (DMLS), Electron Beam Melting (EMB), Selective Laser Melting (SLM ), selective heat sintering (SHS), selective laser sintering (SLS), gypsum 3D printing (PP), layered object manufacturing (LOM), stereolithography (SLA), digital light processing (DLP...

Embodiment 3

[0079] The present invention also provides a kind of experimental data;

[0080] The load-bearing of the foot is often considered to be the joint load of the first metatarsophalangeal joint, the fifth metatarsophalangeal joint and the calcaneus. Therefore, the pressure response of the foot is graphically represented, and there are two large pressure-bearing areas of the forefoot and the calcaneus. Stress fractures are the result of bone being subjected to constant impact strain. Therefore, when designing the midsole of the shoe, the above-mentioned 3D printed extremely small curved surface structure is designed correspondingly for the two bearing areas of the forefoot and the backfoot where the plantar pressure is relatively high. When the human body is in motion, under the high impact load condition of the ground's reaction force against the human body, the forefoot and the heel are designed to be compressively deformed, resulting in a relatively short part of the midsole of...

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Abstract

The invention relates to the field of shoes, in particular to a minimal curved surface structure, and the structure is formed by filling and / or splicing and / or arraying and / or grading of a plurality of 3D printed units; a unit main body is formed by filling and / or splicing and / or arraying of a plurality of curved surfaces; the minimal curved surface structures are designed on all main stress partsof midsoles through specific materials, shapes, sizes, positions, densities and the like according to different sports events and the foot movement characteristics of people with different movement characteristics, corresponding midsole buffering performance can be provided for different activities, and the individual requirements of different people are met; and moreover, materials are selectedin multiple styles, the design and the structure are in multiple styles, manufacturing is conducted according to different styles, more excellent buffering and resilience performance is achieved, andthe labor-intensive limitation of the traditional shoemaking industry is eliminated.

Description

technical field [0001] The invention relates to the field of shoes, in particular to a very small curved surface structure and a manufacturing method thereof. Background technique [0002] A minimal surface is one whose average curvature is zero. Given an embedded surface, or more generally, an immersed surface (whose boundaries are generally fixed, but not necessarily bounded), define its average curvature as follows: Let P be the surface S On the previous point, consider all curves Ci on S passing through P. Each such Ci has an associated curvature Ki at point P. Among these curvatures Ki, there is at least one maximum value K1 and minimum value K2, and these two curvatures K1 and K2 are called the main curvature of S. [0003] In fact, the coverage of minimal surfaces is wider than that of such minimum-area surfaces. The definition of a minimal surface can also be extended to a constant average curvature surface, that is, a subsurface on a surface composed of points wh...

Claims

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Application Information

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IPC IPC(8): A43B13/18B33Y10/00
CPCA43B13/181B33Y10/00
Inventor 潘海文吴金生赵小龙明瑞豪刘松松
Owner INNOGRIT INTELLIGENT TECH SHANGHAI CO LTD
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