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GB/T 1171-2017 English PDF (GB/T 1171-2006, GB/T 1171-1996)

GB/T 1171-2017_English: PDF (GB/T1171-2017)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 1171-2017English150 Add to Cart 0--9 seconds. Auto-delivery Classical V-belt for general drive Valid GB/T 1171-2017
GB/T 1171-2006English90 Add to Cart 0--9 seconds. Auto-delivery Classical V-belt for general drive Obsolete GB/T 1171-2006
GB/T 1171-1996English279 Add to Cart 3 days [Need to translate] Classical V-belts for general use Obsolete GB/T 1171-1996
GB 1171-1989EnglishRFQ ASK 3 days [Need to translate] Classical V-belts Obsolete GB 1171-1989


BASIC DATA
Standard ID GB/T 1171-2017 (GB/T1171-2017)
Description (Translated English) Classical V-belt for general drive
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G42
Classification of International Standard 21.220.10
Word Count Estimation 13,149
Date of Issue 2017-02-28
Date of Implementation 2017-09-01
Older Standard (superseded by this standard) GB/T 1171-2006
Quoted Standard GB/T 3686; GB/T 11544; GB/T 12833; GB/T 15328
Drafting Organization Three-dimensional rubber products Co., Ltd., Zhejiang Hongda Rubber Co., Ltd., Wuxi City in the benefits of rubber Technology Co., Ltd., Ningbo Karcher Tape Co., Ltd., Qingdao City Product Quality Inspection Technology Research Institute
Administrative Organization National Committee on Pulley and Standardization Technical Committee on Friction Belt Transmission (SAC/TC 428/SC 3)
Regulation (derived from) National Standard Announcement No. 4 of 2017
Proposing organization China Petroleum and Chemical Industry Federation
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary This standard specifies the structure, type and marking, requirements, sampling, test methods and marking, labeling, packaging, transportation and storage of ordinary V-belts (hereinafter referred to as V-belts) for general transmission. This standard applies to general V-belts for general mechanical transmissions. This standard does not apply to motor vehicles, motorcycles and other mechanical transmission devices.

BASIC DATA
Standard ID GB/T 1171-2006 (GB/T1171-2006)
Description (Translated English) Classical V-belt for general drive
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G42
Classification of International Standard 21.220.10
Word Count Estimation 7,757
Date of Issue 2006-12-29
Date of Implementation 2007-06-01
Older Standard (superseded by this standard) GB/T 1171-1996
Quoted Standard GB/T 3686; GB/T 3688; GB/T 11544; GB/T 12833; GB/T 15328
Drafting Organization Rubber Co., Ltd., Zhejiang Sanlux
Administrative Organization Chemical Industry Standardization Technical focal tape
Regulation (derived from) National Standard Approval Announcement 2006 No.13 (Total No.100)
Proposing organization China Petroleum and Chemical Industry Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the general ordinary V-belt drive (hereinafter referred to as V-belt) classification, structure, requirements, test methods and marking, labels, packaging, storage and transportation. This standard applies to general mechanical transmission with a cord structure ordinary V belt.

BASIC DATA
Standard ID GB/T 1171-1996 (GB/T1171-1996)
Description (Translated English) Classical V-belts for general use
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G42
Classification of International Standard 21.220.10
Word Count Estimation 7,778
Date of Issue 1996/10/28
Date of Implementation 1997/6/1
Older Standard (superseded by this standard) GB/T 1171-1989
Quoted Standard GB/T 3686-1983; GB/T 3687-1989; GB/T 3688-1983; GB/T 11544-1989; GB/T 15328-1994,
Adopted Standard JIS K6323-1989, MOD
Regulation (derived from) Announcement of Newly Approved National Standards No. 13, 2006 (No. 100 overall)
Proposing organization Ministry of Chemical Industry of the People Republic of China
Issuing agency(ies) State Bureau of Technical Supervision


GB/T 1171-2017 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.220.10 G 42 Replacing GB/T 1171-2006 Classical V-belt for general drive ISSUED ON. FEBRUARY 28, 2017 IMPLEMENTED ON. SEPTEMBER 01, 2017 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Structures ... 4 4 Types and marks ... 5 5 Requirements... 6 6 Sampling ... 7 7 Test methods ... 8 8 Marking, labeling, packaging, transportation and storage ... 8 Annex A (informative) Reference rated power P1 and power increment △P1 of a single piece of V-belt ... 10 Foreword This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 1171-2006 “Classical V-belt for general drive”. Compared with GB/T 1171-2006, the main technical changes except editorial modification are as follows. - DELETE the requirements for adapting the rope structure in the scope (see Clause 1 of this Standard, Clause 1 of 2006 edition); - MODIFY the representation method for the mark (see 4.2 of this Standard, 3.3 of the 2006 version); - DELETE the requirements for the adhesion strength of ropes in physical properties and its test methods (see 5.3 of this Standard, 5.3 and 7.3 of 2006 edition); - MODIFY the inspection of the dimensions in the sampling (see 6.1 of this Standard, 6.1 of 2006 edition); - ADD the tables of reference rated power P1 and power increment ΔP1 of a single piece of V-belt (see Annex A). This Standard was proposed by China Petroleum and Chemical Industry Federation. This Standard shall be under the jurisdiction of Subcommittee on Friction-type Belt Drive of National Technical Committee on Pulleys and Belts of Standardization Administration of China (SAC/TC 428/SC 3). Drafting organizations of this Standard. Sanlux Co., Ltd., Zhejiang Sanwei Rubber Item Co., Ltd., Zhejiang Hongda Rubber Co., Ltd., Wuxi Zhonghui Rubber Technology Co., Ltd., Ningbo Kaichi Rubber Belts Co., Ltd., Qingdao Product Quality Supervision and Testing Research Center. Main drafters of this Standard. Shi Shuixiang, Liu Youliang, Dai Jianqiu, Zhu Shusheng, Ying Jianli, Li Xiaodong. The previous released versions replaced by this Standard are as follows. - GB 1171-1974, GB 1171-1989, GB/T 1171-1996, GB/T 1171-2006. Classical V-belt for general drive 1 Scope This Standard specifies the structure, types and marks, requirements, sampling, test methods and marking, labeling, packaging, transportation and storage of classical V-belts (hereinafter referred to as V-belts) for general drive. This Standard applies to classical V-belts used for general mechanical drive devices. This Standard does not apply to mechanical drive devices such as automobiles and motorcycles. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3686 Belt drives - V-belts and V-ribbed belts - Tensile strength and elongation test method GB/T 11544 Belt drives - Classical and narrow V-belts - Dimensions (system based on datum width) GB/T 12833 Rubber and plastics - Analysis of multipeak traces obtained in determinations of tear strength and adhesion strength GB/T 15328 Classical V-belts - Fatigue test - Non-loading method 3 Structures 3.1 V-belts are divided into two types according to the structure. wrap-edge V- belt, cut-edge V-belts (classical cut-edge V-belts, grooved cut-edge V-belts and bottom-rubber-embedded-cloth cut-edge V-belts). 3.2 The V-belt consists of rubber canvas (top cloth), top rubber, cushion rubber, tensile member, bottom rubber, bottom cloth (bottom rubber-embedded cloth), etc. (see Figure 1). item, two additional samples shall be taken in the batch. If the test result is still unqualified, this batch of products are determined as unqualified products. The V-belt fatigue test shall not be less than once per season. 6.5 In the event of changing the line of production, transferring the factory, resumption of production after production stoppage, or a major change in structure, material or process, the V-belts shall be subjected to the type inspection. For the type inspection of V-belts, the entire contents of Clause 5 shall be inspected. 7 Test methods 7.1 For the appearance quality of V belts, the damage of the angled canvas and the length of the flash are measured with a tape or a caliper, and the rest are checked by visual inspection. 7.2 The dimensions of V-belts are measured in accordance with the specifications GB/T 11544. 7.3 The tensile strength and elongation at reference load of V-belts are tested in accordance with the specifications of GB/T 3686. The reference load is as specified in Table 3. Table 3 -- Reference load parameters In kN Type of V-belt Y Z A B C D E Reference load 0.6 0.8 1.4 2.4 3.9 7.8 11.8 7.4 For the adhesion strength test between cloth and top rubber, first cut two samples on the top of the V-belt. The samples are rectangular with a width of 10.0 mm ± 0.2 mm. If necessary, the thickness shall be appropriately thinned. They are of sufficient length to allow the separation length during the measurement to be no less than 100 mm. The holder moves at a speed of 100 mm/min ± 10 mm/min. The value is calculated according to GB/T12833, and the arithmetic mean of the two samples is calculated. 7.5 The no-torque fatigue life and pulley center-to-center distance change rate of V-belts is tested in accordance with the specifications of GB/T 15328. 8 Marking, labeling, packaging, transportation and storage 8.1 Marking ......


GB/T 1171-2006 GB ICS 21.220.10 G 42 National Standard of the People’s Republic of China Replacing GB/T 1171-1996 Classical V-belt for general drive ISSUED ON. DECEMBER 29, 2006 IMPLEMENTED ON. JUNE 1, 2007 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration Committee. Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Classification ... 4  5 Requirements ... 6  6 Sampling ... 7  7 Test methods ... 8  8 Signs, labels, packaging, storage, and transportation ... 8  Foreword This Standard replaces GB/T 1171-1996 "Classical V-belts for general use". Compared with GB/T 1171-1996, the main changes in this Standard are as follows. — DELETE the classical V-belts with ply structure; — DELETE the requirements for adhesion strength between cord plies of V-belts and the structure diagram (4.2 and Figure 1b of 1996 version); — DELETE the requirements for first-class products of V-belts. IMPROVE the requirements for tensile strength, reference force elongation, cord adhesion strength, and fatigue life of qualified products of V-belts (4.2 of 1996 version; 5.3 of this version); — ADD the structure diagram of cutting-side V-belts (see Figure 1); — ADD the requirements for adhesion strength between wrapped V-belts and rubber bushing, and between cutting-side V-belts and rubber bushing (see 5.3); This Standard was proposed by China Petroleum and Chemical Industry Association. This Standard shall be under the jurisdiction of the Chemical Industrial Adhesive Tape Standardization Technical Focal Point. Drafting organizations of this Standard. Zhejiang Sanlux Rubber Co., Ltd., Zhejiang Sanwei Rubber Products Co., Ltd., Zhejiang Hongda Rubber Co., Ltd., Qingdao Rubber Industry Research Institute, Zibo Lvxiang Rubber Factory, and Henan Weishi County Zhongyuan Rubber Co., Ltd. Main drafters of this Standard. Shi Shuixiang, Liu Youliang, Yan Mingliang, Zhao Shaoying, Tang Youlang, Hand Deshen, and Zhang Qingjun. The previous editions replaced by this Standard are. — GB 1171-1974, GB 1171-1989, GB/T 1171-1996. Classical V-belt for general drive 1 Scope This Standard specifies the classification, structure, requirements, test methods and sings, labels, packaging, storage, and transportation of classical V-belts for general drive (hereinafter referred to as V-belts). This Standard applies to classical V-belts with cord structure for general mechanical transmission devices. This Standard does not apply to the classical V-belts with ply structure, and the mechanical transmission devices such as vehicles, agricultural machinery, and motorcycles. 2 Normative references The provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 3686 V-belts — Tensile strength and elongation test method GB/T 3688 V-belts — Cord adhesion test method GB/T 11544 Classical and narrow V-belts — Dimensions (GB/T 11544-1997, NEQ ISO 4184.1992) GB/T 12833 Rubber and plastics — Analysis of multi-peak traces obtained in determinations of tear strength and adhesion strength (GB/T 12833-2006, ISO 6133.1998, IDT) GB/T 15328 Classical V-belts — Fatigue test (non-loading method) 3 Classification 3.1 Type The type of V-belts is divided into wrapped V-belts and cutting-side V-belts (classical cutting-side V-belts, toothed cutting-side V-belts, and rubber-lined-with-cloth production is resumed after shutdown, or there are significant changes in structure, material or process, then the V-belts need to be conducted for type inspection. When conducting type inspection for V-belts, it shall inspect the entire contents in Chapter 5 "Requirements" of this Standard. 7 Test methods 7.1 The dimension of V-belts shall be measured according to the provisions of GB/T 11544. 7.2 The tensile strength and reference force elongation of V-belts shall be tested according to the provisions of GB/T 3686. The reference force shall in accordance with the provisions in Table 3. Table 3 Reference force parameter Model of V-belts Y Z A B C D E Reference force/kN 0.6 0.8 1.4 2.4 3.9 7.8 11.8 7.3 The cord adhesion strength of V-belts shall be tested according to the provisions of GB/T 3688. 7.4 For the test of adhesion strength between the cloth and rubber bushing, firstly CUT two pieces of samples on the top of V-belts. The sample is rectangular, with a width of 10.0mm±0.2mm, if necessary, the thickness shall be appropriately thinned. And the sample shall have sufficient length to make the separating length during measurement process not less than 100mm. The moving speed of gripper is 100mm/min±10mm/min. OBTAIN the values according to GB/T 12833, and then calculate the arithmetic average of the two samples. 7.5 The non-loading fatigue life of V-belts and variation rate of center distance of belt pulley shall be tested according to the provisions of GB/T 15328. 8 Signs, labels, packaging, storage, and transportation 8.1 Signs Each piece of V-belt shall have obvious signs that can not be washed off by water. It shall include the following contents. a) Manufacturer's name and trademarks; b) Marks; c) Group-matching codes; d) Manufacturing year and month. 8.2 Labeling and packaging V-belts are tied by model and reference length. Each bundle of V-belts shall have same-marks and same-group-matching codes. And it shall use appropriate methods to package the products. It shall enclose labels in the package, on which it shall include the following contents. a) Manufacturer's name and trademarks; b) Marks and the materials of belt core; c) The number of V-belts in the packaging; d) Qualified seal of quality inspection department; e) Use and maintenance conditions of V-belts. 8.3 Storage and transportation 8.3.1 During the storage and transportation of V-belts, it shall avoid direct sunlight or being drenched by rain and snow, and keep clean; PREVENT the contact with acids, alkalis, oils, and organic solvents that may affect the quality of V-belts; PREVENT mechanical damages, and keep 1m away from heating devices. 8.3.2 When storing, the temperature in warehouse shall be kept between -18°C~ + 40°C. 8.3.3 During the storage period, it shall avoid deformation of V-belts from withstanding too much weight. It is the best to hang the V-belts on the crescent-shaped shelves or place flatly on the shelves. 8.3.4 When having been stored for no more than 1 year under the above conditions, the properties of V-belts shall still comply with the provisions of this Standard. ......

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