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GB/T 15531-2022 English PDF

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Q: Should I purchase the latest version GB/T 15531-2022?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15531-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 15531-2022: Belt drives - Pulleys - Limiting values for adjustment of centres
Status: Valid

GB/T 15531: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15531-2022	199	Add to Cart	3 days	Belt drives - Pulleys - Limiting values for adjustment of centres	Valid
GB/T 15531-2008	319	Add to Cart	3 days	Belt drives -- Pulleys -- Limiting values for adjustment of centre	Obsolete
GB/T 15531-1995	239	Add to Cart	2 days	Belt drives--Pulleys--Limiting values for adjustment of centres	Obsolete

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Basic data

Standard ID: GB/T 15531-2022 (GB/T15531-2022)
Description (Translated English): Belt drives - Pulleys - Limiting values for adjustment of centres
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J18
Classification of International Standard: 21.220.10
Word Count Estimation: 10,165
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Older Standard (superseded by this standard): GB/T 15531-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 15531-2022: Belt drives - Pulleys - Limiting values for adjustment of centres

---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 21.220.10 CCSJ18 National Standards of People's Republic of China Replacing GB/T 15531-2008 Belt drive pulley center distance adjustment limit value (ISO 155.2019, MOD) Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document replaces GB/T 15531-2008 "Center Distance Adjustment Limits of Belt Drive Pulleys", and is consistent with GB/T 15531-2008 In addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Changed the scope of application of the standard, changing "trapezoidal tooth synchronous pulley" to "synchronous pulley" (see Chapter 1,.2008 edition Chapter 1); --- Added the regulations on the value of the pulley Ci1 with ribs (see Table 1); --- Added four specifications of flat pulley diameters and tolerance values (see Table 2); ---Changed the narrow V-belt pulley groove type with the effective width of the combined V-belt pulley (see Table 4, Table 4 of the.2008 edition); --- Increase the effective width of the combined V-pulley of the narrow V-pulley groove type (20J) (see Table 4); --- Increased the Ci1 value of some synchronous pulleys (see Table 6); ---Changed the application of Ci1 value (2008 edition is i1 value) (see Table 6, Table 6 of.2008 edition); --- Increased Cs4 value of carbon fiber (see Table 7). This document is modified to adopt ISO 155.2019 "Limits for center distance adjustment of belt drive pulleys". The technical differences between this document and ISO 155.2019 and their reasons are as follows. --- Added the terms and definitions defined in GB/T 6931.1, GB/T 6931.2, and GB/T 6931.3 (see Chapter 3), which is more specific accurately guide the application; --- Increased the description of the two parameters for calculating the center distance reduction limit value (see Chapter 5), and more accurately explain the two parameters role; --- Added four specifications of flat pulley diameters and tolerance values (see Table 2) to meet the requirements of existing products in my country; --- Increased the Ci1 value of synchronous pulleys with some groove types (see Table 6), which is coordinated with existing national standards; ---Changed the regulations on the minimum rib height, the calculation needs to refer to GB/T 11361, GB/T 24619, GB/T 28775, The content specified in GB/T 37205 and JB/T 7512.2 (see Table 6) to meet the requirements of existing products in our country; ---Increase the Cs4 value of carbon fiber (see Table 7), clarify the material, and better guide the application. The following editorial changes have been made to this document. --- Increased the description of the value of some symbols (see Table 1); --- Increased the description of the limit value of the diameter of the flat pulley (see Table 2); ---Changed the symbols of center distance and center distance adjustment limit parameters (see Chapter 4); --- Changed the arrangement order of symbols (see Chapter 4); --- Standardized the format of Table 4 (see Table 4). Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Pulley and Belt Standardization Technical Committee (SAC/TC428). This document is drafted by. China Machinery Productivity Promotion Center Co., Ltd., Shiyan City Industrial Product Quality Inspection and Testing Institute, Jinjiulong Industry Co., Ltd., Ningbo Fulong Synchronous Belt Co., Ltd., Rui Niu Co., Ltd., Wuhu Precision Transmission System Research Institute, Sichuan Deen Precision Engineering Technology Co., Ltd., Sanlishi Co., Ltd., Zhejiang Samsung Tape Co., Ltd., Zhejiang Jinaolan Machine Tool Co., Ltd., Zhejiang Anglo Transmission System Co., Ltd., Weishi County Jiulong Rubber and Plastic Co., Ltd., Jiangsu Mingzhu Testing Machinery Co., Ltd., Qingdao City Products Quality Inspection Institute. The main drafters of this document. Qin Shuan, Zhou Peng, Zhang Chi, Zhang Liujie, Pan Hairui, Zhu Shusheng, Zhu Liusheng, Ma Hongqiang, Wu Qiongying, Chen Xiaobin, Lu Shiguang, Chen Yongliang, Ruan Yiyi, Fan Jingyun, Zhu Anming, He Ning, Zhou Yujie. This document was first released in.1995, revised for the first time in.2008, and this is the second revision. Belt drive pulley center distance adjustment limit value

1 Scope

This document specifies the adjustment limit value of the center distance between two driving pulleys. This document is applicable to the determination of the adjustment limit value of the center distance between the following two drive pulleys. a) flat pulley; b) Pulleys for single V-belts, multiple V-belts, and combined V-belts; c) Ribbed pulley; d) Timing pulley.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 6931.1 Terminology of belt drives Part 1.Basic terms GB/T 6931.2 Terminology of belt drives Part 2.V-belt and V-belt drives (GB/T 6931.2-2020, ISO 1081. 2013, MOD) GB/T 6931.3 Terminology for belt drives Part 3.Timing belt drives (GB/T 6931.3-2020, ISO 5288.2017, MOD) 2018, ISO 5294.2012, MOD) GB/T 24619 synchronous belt drive G, H, R, S tooth type curved tooth synchronous belt and pulley (GB/T 24619-2021, ISO 13050.2014, MOD) GB/T 28775 Synchronous belt drive T-shaped trapezoidal tooth synchronous pulley (GB/T 28775-2021, ISO 17396.2017, MOD) GB/T 37205 synchronous belt drive AT-type trapezoidal tooth synchronous pulley (GB/T 37205-2018, ISO 17396.2014, MOD) JB/T 7512.2 Arc tooth synchronous belt drive part 2.Pulley

3 Terms and Definitions

The terms and definitions defined in GB/T 6931.1, GB/T 6931.2 and GB/T 6931.3 apply to this document.

4 symbols

The following symbols apply to this document. C --- nominal center distance, in millimeters (mm). Ci --- center distance reduction limit, in millimeters (mm). Ci1 --- Parameters related to pulley dimensions and tolerances. Ci2 --- Parameters related to the length tolerance of the belt. Cs --- Center distance increase limit value, the unit is millimeter (mm). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 15531-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 15531-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 15531-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 15531-2022_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.

Question 5: Should I purchase the latest version GB/T 15531-2022?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15531-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.