GB/T 42746-2023 English PDF

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GB/T 42746-2023: Adult three-dimensional foot models
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42746-2023	1869	Add to Cart	10 days	Adult three-dimensional foot models	Valid

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Basic data

Standard ID: GB/T 42746-2023 (GB/T42746-2023)
Description (Translated English): Adult three-dimensional foot models
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A25
Classification of International Standard: 13.180
Word Count Estimation: 98,924
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42746-2023: Adult three-dimensional foot models

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.180 CCSA25 National Standards of People's Republic of China Adult 3D foot model Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ Introduction II 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Main measurement items and characteristic points of the foot 2 5 Foot size typing settings 2 5.1 Type representation method 2 5.2 Foot size classification 2 6 Foot model types and main size data 2 6.1 Male foot model types and main size data 2 6.2 Types and main dimensions of female foot models 2 7 3D coordinates of foot model 3 7.1 Foot model coordinate system 3 7.2 Three-dimensional coordinates of male foot model 3 7.3 Three-dimensional coordinates of female foot model 4 8 Application of foot model 5 Appendix A (informative) Main foot measurement items and their diagrams 6 Appendix B (informative) Main characteristic points of the foot and their illustrations 7 Appendix C (Normative) Foot size classification settings 8 Appendix D (Normative) Point cloud coordinates of male foot model 11 Appendix E (Normative) Point cloud coordinates of female foot model 53

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Ergonomics Standardization Technical Committee (SAC/TC7). This document was drafted by. China Institute of Standardization, ANTA (China) Co., Ltd., University of Science and Technology Beijing, Shanghai Scientific Research Institute of Production Safety Institute, Tsinghua University, Guangdong Baizhuo Shoes Co., Ltd., Ruian Dahu Shoes Co., Ltd., Tsinghua University Suzhou Automotive Research Institute (Xiangcheng), Li Ning (China) Sporting Goods Co., Ltd., Qingdao Zupu Technology Co., Ltd., Beijing Institute of Fashion Technology, Chongqing Xiaoai Technology Co., Ltd., Capital Division Fan University, Chemical Defense Research Institute of the Chinese People's Liberation Army Academy of Military Sciences, Donghua University, Huayan Huike (Anhui) Intelligent Technology Co., Ltd., Beijing United Hefei University, Northeast Normal University, Winning Energy Efficiency Technology (Qingdao) Co., Ltd. The main drafters of this document. Ran Linghua, Zhang Xin, Niu Jianwei, Li Su, Liu Taijie, Jiang Ruiliang, Zhao Chaoyi, Hu Huimin, Xu Shucai, Li Zhizhong, Feng Yuchao, Lu Yuhu, Song Jiafeng, Xiao Xiao, Wang Haiyan, Zhang Weijuan, Guo Dehua, Long Ruqian, Zou Guohua, Zheng Xiaohui, Zheng Rong, Yang Fan, Ma Shuai, Liang Jingtang, Li Aiyun, Zhu Yong, Chen Jian, Yin Jiwei, Wang Yunyun, Wang Zhongting, Zhao He, Wang Rui, Yang Aiping, Xu Hongqi, Chu Junpeng, Luo Ling, Tian Hao, Wu Haimei, An Yueqi, Zhou Yulin, Liu Jing, Li Luyang, Zhang Zhen, Xu Xiang.

Introduction

The foot is an important part of the contact between the human body and the ground. It is an important organ that absorbs shock when bearing weight and walking. Wearing ill-fitting shoes for a long time Shoes may not only cause various foot diseases, but also easily cause sports injuries, thereby affecting the health of the whole body. Shoes and other products The fit and comfort of the shoe depend on whether the shoe last conforms to the foot shape characteristics. The design should strictly follow the foot shape characteristics, and there should be a balance between the foot, the last and the shoe. Perform data conversion. The foot model contains rich foot shape characteristics and can reflect the comprehensive characteristics of a specific group of people. For shoe lasts, insoles, and foot models, The design of wearable devices and other related products plays an important role. This document is developed based on the second national body size measurement data conducted from.2014 to.2018.This document is for Chinese adults Based on the characteristics of three-dimensional foot size distribution and the application of foot size in the design of shoes, foot protection devices and other products, the adult Human foot size classification settings and coordinate description of the three-dimensional foot model. The series of foot models established in this document can be used for shoe lasts, insoles, The design, verification, display and molding of products such as foot protection devices make them suitable for the characteristics of Chinese feet and improve the comfort of wearing the products. Adult 3D foot model

1 Scope

This document gives the foot size classification settings for adults (18 to 70 years old) and the coordinate description of the three-dimensional foot model. This document is applicable to the specification design and selection of shoe lasts, insoles, foot protection devices and other products.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 5703-2023 Anthropometric basic items for technical design

3 Terms and definitions

The terms and definitions defined in GB/T 5703-2023 and the following apply to this document. 3.1 foot length The maximum distance from the back of the heel to the tip of the longest toe (the first or second toe). Note. When measuring, make sure it is parallel to the longitudinal axis of the foot. 3.2 footwidth The maximum distance between the inside and outside of the foot perpendicular to the longitudinal axis of the foot. 3.3 Foot circumference balgirth The circumference starts from the tibial metatarsal point and passes through the instep, fibular metatarsal point and sole of the foot to the starting point. 3.4 acropodion When standing, the point on the tip of the toe (the first toe or the second toe) that is farthest from the heel point. 3.5 From the highest point on the upper edge of the first metatarsophalangeal joint. 3.6 insteppoint Take a vertical section at 50% of the foot length and the highest point where the section intersects the instep. 3.7 The most anterior point of the lower end of the tibia. 3.8 The most outwardly projecting point of the medial malleolus of the tibia. ......

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