QB/T 2922-2007 English PDF (QBT2922-2007)

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QB/T 2922-2007: Case and bag - Test method for shaking impact
QB/T 2922-2007
QB
LIGHT INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Classification No. Y48
Record No. 22749-2008
Case and Bag - Test Method for Shaking Impact
ISSUED ON. DECEMBER 03, 2007
IMPLEMENTED ON. JUNE 01, 2008
Issued by. National Development and Reform Commission of the
People's Republic of China
Table of Contents
Foreword ... 3 
Introduction ... 4 
1 Scope ... 5 
2 Principle ... 5 
3 Device ... 5 
4 Sample Preparation ... 5 
5 Test Methods ... 5 
6 Expression of Test Result ... 6 
7 Test Report ... 7 
Foreword
This Standard was proposed by the China National Light Industry Council.
This Standard shall be under the jurisdiction of the Committee on Leather of
Standardization Administration of China (SAC/TC 252).
This Standard is drafted by Guangdong Provincial Quality Supervision, Inspection and
Footwear Station, Zhongshan Crown Leather Co., Ltd., Guangzhou V-Goal Handbag
Co. Ltd. AND Ming Yu Electronic Technology Co., Ltd.
Chief drafting staffs of this Standard. Zhong Xihao, Huang Xiaogang, Lin Jiezhen,
Jiang Yongxiong, Yu Xinglong and Zhan Zhiyi.
This Standard is issued for the first time.
Case and Bag – Test Method for Shaking Impact
1 Scope
This Standard specifies test method for shaking impact of case and bag.
This Standard is applicable to various cases and bags of daily use.
2 Principle
The quality of carrying-handle, tie-bar and case and bag body is inspected by - lifting the
loaded case and bag with the carrying-handle or fully-pulled tie-bar; then drop them at
a certain speed and the loaded gravity within a specified travel; use the spring to
realize the shaking impact on the case and bag depending on the absorption and
release of the force.
3 Device
Shaking impact tester for case and bag shall include those parts specified in 3.1~3.4.
3.1 Metal support. ≥2000mm in height.
3.2 Impact device. capable of moving up and down, with the damping spring
constant of 17.54N/mm.
3.3 Control device. having adjustable test speed, capable of setting the impact tests
frequency and providing the automatic shutdown function in case of sample falling
midway.
3.4 Recording device. having automatic recording and memory function.
4 Sample Preparation
The sample shall be placed in such an environment at a temperature of 18°C~25°C
for at least 1h without bearing any load.
5 Test Methods
5.1 Add specified load into tested case and bag in accordance with those specified
in Table 1; load shall be distributed uniformly.
pulling and pushing the tie-bar, in N; the result is accurate to an integer place.
7 Test Report
The test report shall include.
a) The serial number of this Standard;
b) Name, serial number, type, manufacturer (or brand), and production date of the
sample;
c) Test results;
d) Abnormal phenomena during the test;
e) Differences between the actual measuring method and the one in this Standard;
f) Test personnel and date.