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GB/T 1171-2006 (GBT1171-2006)

GB/T 1171-2006_English: PDF (GBT 1171-2006, GBT1171-2006)
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GB/T 1171-2006English90 Add to Cart 0--9 seconds. Auto-delivery Classical V-belt for general drive Obsolete GB/T 1171-2006

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Older Standard (superseded by this standard) GB/T 1171-1996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.

Standards related to: GB/T 1171-2006

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.
...