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GB/T 6291-2013: Pliers and nippers -- Methods of test
Status: Valid GB/T 6291: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6291-2013 | English | 329 |
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3 days [Need to translate]
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Pliers and nippers -- Methods of test
| Valid |
GB/T 6291-2013
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| GB/T 6291-1999 | English | 519 |
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4 days [Need to translate]
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Pliers and nippers--Methods of test
| Obsolete |
GB/T 6291-1999
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| GB/T 6291-1986 | English | RFQ |
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3 days [Need to translate]
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Pliers and nippers--Methods of test
| Obsolete |
GB/T 6291-1986
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PDF similar to GB/T 6291-2013
Basic data | Standard ID | GB/T 6291-2013 (GB/T6291-2013) | | Description (Translated English) | Pliers and nippers -- Methods of test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J47 | | Classification of International Standard | 25.140.30 | | Word Count Estimation | 14,152 | | Older Standard (superseded by this standard) | GB/T 6291-1999 | | Quoted Standard | GB/T 230.1; GB/T 4340.1; GB/T 4357; GB/T 21652; YB/T 5303 | | Adopted Standard | ISO 5744-2004; MOD | | Regulation (derived from) | National Standards Bulletin No. 22 of 2013 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies: clip twisting pliers, cutting pliers and pinch twist nippers Test methods. This standard applies to: general operating with twist clamp pliers, cutting pliers and pinch twist nippers. This standard does not apply to live working w | GB/T 6291-2013: Pliers and nippers -- Methods of test---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.
Pliers and nippers. Methods of test
ICS 25.140.30
J47
National Standards of People's Republic of China
Replacing GB/T 6291-1999
Pliers and nippers clip twist test method
Issued on. 2013-11-12
2014-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 6291-1999 "folder Pliers and nippers twist test", compared with the GB/T 6291-1999, major change
Of the following.
--- Test Method for increasing the basic size (edition 3.1);
--- Increase the performance of test methods (edition 3.2);
--- Increasing the clamp shaft hardness test methods and cutting edge hardness (edition 3.6);
--- Increased testing methods pliers water pump pliers and flexural strength (1999 version 3.6, this version 3.8);
--- Modify the round-nose pliers, torque test piece size (1999 version 3.9, this version 3.10);
--- This standard has been modified to the structure and presentation standards.
This standard uses redrafted law revision using ISO 5744.2004 "folder Pliers and nippers twist test method."
This standard and ISO 5744. compared to 2004 in the structure have more adjustments listed in this standard and ISO 5744 in Appendix A.2004
Reg number compared to the control list.
Technical differences exist compared to 2004, the terms of these differences has been involved through its outer margin bit. This standard and ISO 5744
Opposing vertical single line (|) were labeled, given a list of corresponding technical differences and their reasons in Appendix B.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee, hardware tools Hardware Technical Committee (SAC/TC174/SC2) centralized.
This standard is drafted by. Jiangsu Hongbao Hardware Co., Ltd., Hangzhou star Technology Co., Ltd., Shanghai tool industry
graduate School.
Participated in the drafting of this standard. Snap-on Tools Manufacturing (Zhejiang) Co., Ltd., Jiangsu Jinlu Group Co., Maxpower toolset
Group Co., Yin Yan Weifang Tools Co., Endura Greenlee tools (Shanghai) Co., Ltd., Ningbo De Cheng Tools Co., Ltd., Zhejiang
Blue Industry Co., Ltd..
The main drafters of this standard. Wangzhu Ming, Wang Weiyi, Wu Zu Xun, Liang, Jiang Yan flowers, Jujia Ping, Chen Fuqiang, hanging Xin Zhu, Qian Yin Ping,
Shen Jianming, Gu Qing.
This standard replaces the standards previously issued as follows.
--- GB/T 6291-1986, GB/T 6291-1999.
Pliers and nippers clip twist test method
1 Scope
This standard specifies the folder twist pliers, cutting pliers and test methods for torsional shear clamp pliers.
This standard applies to ships operating with a twist clip pliers, cutting pliers cutting pliers and pinch twist.
This standard does not apply to live working with pliers tongs and special operations.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 230.1 metallic materials - Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T standard
Feet) (GB/T 230.1-2009, ISO 6508-1.2005, MOD)
GB/T 4340.1 metallic materials - Vickers hardness test - Part 1. Test method (GB/T 4340.1-2009, ISO 6507-
1.2005, MOD)
GB/T 4357 cold-drawn carbon spring steel (GB/T 4357-2009, ISO 8458-2.2002, MOD)
GB/T 21652 Copper and copper alloy wire (GB/T 21652-2008, JISH3260.2006, NEQ)
YB/T 5303 quality carbon structural steel
Test Method 3
3.1 Basic dimensional inspection
The basic dimensions of pliers with a special card board and general measuring test.
3.2 Performance test
3.2.1 Performance pliers with feel and visual inspection.
Zhang 3.2.2 in accordance with relevant product standards in the axial center l1 of the clamp from the clamp handle position, applying a force of 18N, the jaws
Opening angle should not be less than 22 °.
3.3 Inspection edge slit
In the forceps blade closed, pliers cutting edge gap with a feeler test.
3.4 top slit nozzle inspection
In the clamp handle grip state, the top of the mouth slit jaws test with a feeler.
3.5 test the amount of mouth top yaw
As shown in Figure 1, the top jaw mouth with a universal measuring the amount of deflection test.
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