GB/T 6931.1-2020 English PDFUS$359.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 6931.1-2020: Belt drives - Vocabulary - Part 1: Basic vocabulary Status: Valid GB/T 6931.1: Historical versions
Basic dataStandard ID: GB/T 6931.1-2020 (GB/T6931.1-2020)Description (Translated English): Belt drives - Vocabulary - Part 1: Basic vocabulary Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J18 Classification of International Standard: 21.220.10 Word Count Estimation: 19,130 Date of Issue: 2020-03-31 Date of Implementation: 2021-02-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 6931.1-2020: Belt drives - Vocabulary - Part 1: Basic vocabulary---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.Belt drives--Vocabulary--Part 1. Basic vocabulary ICS 21.220.10 J18 National Standards of People's Republic of China Replace GB/T 6931.1-2008 Belt drive terminology Part 1. Basic terminology 2020-03-31 release 2021-02-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordGB/T 6931 "Glossary of Belt Drive" is divided into 3 parts. --- Part 1. Basic terminology; --- Part 2. V-belt and V-ribbed belt drive; --- Part 3. Timing belt drive. This part is Part 1 of GB/T 6931. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 6931.1-2008 "Glossary of belt drive Part 1. Basic terminology of belt drive", and GB/T 6931.1- Compared to.2008, the main technical changes except for editorial changes are as follows. --- Removed normative references (see Chapter 2 of the.2008 edition); --- Modified the definition of the term "belt drive" (see 2.1, version 3.1 of.2008); --- Added the term and definition of "endless belt drive" (see 3.1); --- Modified the definition of the term "open transmission" (see 3.1.1, 3.2.1 of the.2008 edition); --- Added the term and definition of "double-sided transmission" (see 3.1.5); --- Added the term and definition of "multi-wheel transmission" (see 3.1.6); --- Added the term and definition of "open belt drive" (see 3.2); --- Modify the illustration of the term "tensioner" (see Figure 10, Figure 7 of the.2008 edition); --- Modify the symbol of the term "center distance" (see 6.1, 4.1.1 of the.2008 edition); --- The symbol of the term "corner angle" has been modified (see 6.3, 4.1.3 of the.2008 edition); --- Added the terms and definitions of "change in center distance" (see 6.4); --- Added the term and definition of "exposed height" (see 6.5); --- Added the term and definition of "lateral swing" (see 6.6); --- Added the term and definition of "rated power" (see 6.12); --- Added "friction coefficient" terms and definitions (see 6.13). This part is proposed by China Machinery Industry Federation. This part is under the jurisdiction of the National Pulley and Belt Standardization Technical Committee (SAC/TC428). This section was drafted by. Wuxi Belt Belt Co., Ltd., China Machine Productivity Promotion Center, Wuxi Zhonghui Rubber Technology Co., Ltd. Division, Ningbo Kaichi Tape Co., Ltd., Ningbo Fengmao Far East Rubber Co., Ltd., Weishi County Jiulong Rubber & Plastic Co., Ltd., Sichuan Deen Precision Technology Co., Ltd. The main drafters of this section. Wu Yizhen, You Jianping, Zhou Yujie, Zhou Peng, Zhu Shusheng, Ying Jianli, Wang Juncheng, Fan Jingyun, Lei Yongzhi. The previous versions of the standard replaced by this part are as follows. --- GB/T 6931.1-1986, GB/T 6931.1-2008. Belt drive terminology Part 1. Basic terminology1 ScopeThis part of GB/T 6931 defines the general terms of belt transmission, belt transmission form, pulley, transmission belt and corresponding parameters and other terms and definition. This section applies to belt drive applications. Note. See Appendix A for terms of special belt drives, and Appendix B for terms of main performance of belt drives.2 General terms2.1 Belt drive beltdrives The belt and the pulley constitute a transmission that transmits motion and/or power. Note. There are two types of friction drive and mesh drive. 2.1.1 Flatbeltdrives The friction drive is composed of a flat belt and two or more pulleys. The working surface of the belt is in contact with the rim surface of the pulley. 2.1.2 V-belt drives A friction drive consisting of one or several V-belts and V-belt wheels, the V-belt is installed in the corresponding wheel groove and only contacts the two sides of the wheel groove, and No contact with the bottom of the tank. 2.1.3 V-ribbed belt drive Friction transmission composed of a multi-ribbed belt and two or more pulleys, at least one of which has a wedge groove, the axis of the pulley and the longitudinal section of the belt The face is vertical. 2.1.4 Round belt drive roundbeltdrives Friction drive composed of round belt and pulley. 2.1.5 Synchronous belt drive The meshing drive composed of a synchronous belt and two or more synchronous belt wheels, the synchronous movement and/or power is meshed with the teeth of the wheels through the belt teeth transfer.3 belt drive form3.1 Endless-beltdrives Belt drive by closed belt. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 6931.1-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 6931.1-2020_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 6931.1-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6931.1-2020 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. |
