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GB/T 38762.1-2020 English PDF

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US$929.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38762.1-2020: Geometrical product specifications (GPS) - Dimensional tolerancing - Part 1: Linear sizes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38762.1-2020	929	Add to Cart	7 days	Geometrical product specifications (GPS) - Dimensional tolerancing - Part 1: Linear sizes	Valid

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Basic data

Standard ID: GB/T 38762.1-2020 (GB/T38762.1-2020)
Description (Translated English): Geometrical product specifications (GPS) - Dimensional tolerancing - Part 1: Linear sizes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L55
Classification of International Standard: 17.040.10
Word Count Estimation: 50,563
Date of Issue: 2020-04-28
Date of Implementation: 2020-11-01
Quoted Standard: GB/T 1800.1; GB/T 4249; GB/T 16901.1; GB/T 24637.1; GB/T 24637.2-2020; GB/T 24637.3
Adopted Standard: ISO 14405-1-2016, MOD
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the default set of normative operations for linear dimensions (see GB/T 24637.2), and specifies the facing "cylindrical surface", "spherical surface", "torus surface", "two opposite parallel surfaces" and "two opposite parallel straight lines" A set of specific canonical operations for linear dimensions of equal-sized feature types. In addition, this standard specifies specification modifiers for linear dimensions and their pictorial representation. This standard covers the following linear dimensions: a) Local dimensions: two-point dimensions; spherical dimensions; section dimensions; section dimensions. b) Global size: direct global linear size; least squares size; maximum inscribed size; minimum circumscribed size; minimum area size; indirect global linear size. Calculated dimensions: perimeter diameter; area diameter; volume diameter. Statistical size: maximum foot

GB/T 38762.1-2020: Geometrical product specifications (GPS) - Dimensional tolerancing - Part 1: Linear sizes

---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.
Geometrical product specifications (GPS)-Dimensional tolerancing--Part 1.Linear sizes ICS 17.040.10 L55 National Standards of People's Republic of China Product Geometric Technical Specification (GPS) Dimensional Tolerance Part 1.Linear dimensions Part 1.Linearsizes (ISO 14405-1..2016, MOD) 2020-04-28 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ 1 Scope 1 2 Normative references 2 3 Terms and definitions 2 4 Normative modifiers and symbols 13 5 Default size specification operation set 17 6 Drawing annotation of specific size specification operation set 19 7 Labeling of measured elements with defined dimensional features 26 8 Supplement 32 Appendix A (Normative Appendix) Symbol scale and size 33 Appendix B (informative appendix) Dimensions overview Figure 34 Appendix C (informative appendix) Data processing with statistical modifiers 35 Appendix D (Normative Appendix) Dimensional Characteristics 37 Appendix E (Normative Appendix) Drawing Guidelines for the Location and Marking of Dimensional Specifications 40 Appendix F (Informative Appendix) Relationship with GPS Matrix Model 43 References 44

Foreword

GB/T 38762 "Geometric Technical Specifications (GPS) Dimensional Tolerance" is divided into 3 parts. --- Part 1.Linear dimensions; --- Part 2.Dimensions other than linear and angular dimensions; --- Part 3.Angle dimensions. This part is Part 1 of GB/T 38762. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the redrafting method to modify the use of ISO 14405-1..2016 "Product Geometrical Technical Specifications (GPS) Dimensional Tolerance Section 1 Part. Linear Dimensions. The technical differences between this part and ISO 14405-1..2016 and the reasons are as follows. --- With regard to normative quotation documents, this part has been adjusted with technical differences to adapt to my country's technical conditions and adjustments The situation is reflected in Chapter 2 "Regulatory Reference Documents", with specific adjustments as follows. ● Replaced ISO 286-1 with GB/T 1800.1 modified to adopt international standards; ● Replaced ISO 8015 with GB/T 4249 modified to adopt international standards; ● Replace ISO 81714-1 with GB/T 16901.1 modified to adopt international standards; ● Replaced ISO 17450-1 with GB/T 24637.1 modified to adopt international standards; ● Replaced ISO 17450-2..2012 with GB/T 24637.2-2020, which adopts international standards. ● Replaced ISO 17450-3 with GB/T 24637.3 modified to adopt international standards. This part is proposed and managed by the National Product Geometry Technical Standardization Technical Committee (SAC/TC240). This section was drafted by. Xi'an Jiaotong University, China Machine Productivity Promotion Center, Shanghai Automobile Group Co., Ltd., China Aviation Development Xi'an Aero Engine Co., Ltd., Shaanxi Provincial Institute of Metrology, Zhongyuan Institute of Technology. The main drafters of this section. Jing Weixuan, Ming Cuixin, Zhang Li, Shen Xiaojun, Liu Ying, Gao Weizhuo, Zhao Zexiang, Zhu Yue. Product Geometric Technical Specification (GPS) Dimensional Tolerance Part 1.Linear dimensions

1 Scope

This part of GB/T 38762 establishes the default specification set of linear dimensions (see GB/T 24637.2), and specifies the "Linear" "spherical" "toroidal" 1) "two relatively parallel planes" and "two relatively parallel straight lines" and other types of linear elements of certain dimensions Fan operation set. In addition, this section also specifies the normative modifiers of linear dimensions and their graphic expressions. 1) When the diameter of the guideline is fixed, the torus is the dimension element. This section covers the following linear dimensions. a) Local dimensions. --- Two-point size; --- Spherical size; --- Cross section size; --- Partial size. b) Global dimensions. --- Direct global linear dimension. --- Least square size; --- Maximum inscribed size; --- Minimum external dimensions; --- Minimum area size; --- Indirect global linear dimension. c) Calculated size. --- Perimeter diameter; --- Area diameter; --- Volume diameter. d) Statistical size. ---biggest size; ---smallest size; --- average size; --- median size; --- Extreme average size; ---Size range; --- Standard deviation of size. This section defines the following linear dimensional tolerances with and without specification modifiers (see Table 1 and Table 2). --- /-limit deviation (example 0/-0.019) (see Figure 11); --- Upper limit size (ULS)/Lower limit size (LLS) (Example 15.2max., 12min., Or 30.2/30.181) (see Figure 13); --- Comply with the ISO tolerance zone code (example 10h6) of GB/T 1800.1 (see Figure 12). This section provides a set of tools that describe several types of dimensional characteristics, but does not reflect the actual workpiece functional requirements and its dimensional characteristics Information about internal relationships. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38762.1-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38762.1-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 38762.1-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38762.1-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.