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JJF 1445-2014: Calibration Specification for Falling Weight Impact Testing Machines
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Calibration Specification for Falling Weight Impact Testing Machines
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JJF 1445-2014
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Basic data | Standard ID | JJF 1445-2014 (JJF1445-2014) | | Description (Translated English) | Calibration Specification for Falling Weight Impact Testing Machines | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A53 | | Classification of International Standard | 17.100 | | Word Count Estimation | 22,281 | | Date of Issue | 1/23/2014 | | Date of Implementation | 4/23/2014 | | Quoted Standard | GB/T 2611; GB/T 5137.1-2002; GB/T 6803-2008; GB/T 8363-2007; GB/T 9639.1-2008; GB/T 11548-1989; TB 1632.1-2005; QB/T 2918 - 2007; JB/T 9389-2008 | | Regulation (derived from) | ?AQSIQ Announcement 2014 No. 10 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This Standard applies to calibrate drop hammer impact test machine, drop hammer impact test machine for non-metallic drop hammer impact test machine, metal drop hammer impact test machine, drop weight impact test conducted other instruments can refer to t | JJF 1445-2014: Calibration Specification for Falling Weight Impact Testing Machines---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.
Calibration Specification for Falling Weight Impact Testing Machines
People's Republic of China National Metrology Technical Specifications
Drop hammer impact test machine calibration specification
Machines
Issued on. 2014-01-23
2014-04-23 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Drop hammer impact test machine calibration specification
Machines
Focal point. the National Technical Committee on Metering hardness force value
Main drafting unit. Henan Institute of Metrology
Shanghai Measurement and Testing Technology Research Institute
Participated in the drafting. Chengde City, Jin Jian Detection Instruments
Test Equipment Co., Ltd. Jinan Branch
This specification entrust national force value hardness measurement technical committee responsible for the interpretation
The main drafters of this specification.
Zhang ZJ (Henan Institute of Metrology)
Wang Guangjun (Henan Institute of Metrology)
Zhang Guiren (Shanghai Institute of Measurement and Testing)
Feng Haiying (Henan Institute of Metrology)
Drafters participate.
Ren Yufeng (Chengde City, Jin Jian Detection Instrument Co.)
OF ADMINISTRATIVE (Jinan Branch Test Equipment Co., Ltd.)
table of Contents
Introduction (Ⅱ)
1 Scope (1)
2. References (1)
3 Terms (1)
3.1 drop hammer (1)
3.2 swing amount (1)
3.3 Drop height (1)
3.4 drop hammer impact point (1)
Energy loss 3.5 (1)
4 Overview (2)
5 Metrological characteristics (2)
6 calibration conditions (5)
Environmental conditions 6.1 (5)
6.2 calibration equipment (5)
7 calibration items and calibration methods (5)
7.1 calibration items (5)
7.2 Calibration method (5)
8 calibration results (7)
9 Recalibration interval (7)
Appendix A drop hammer impact test machine measurement uncertainty evaluation method (8)
Appendix B drop hammer impact test machine calibration record format (13)
Appendix C fall within hammer impact test machine calibration certificate page format (15)
Introduction
According to the present specification JJF 1071 "National Rules for the preparation of measurement calibration specifications", JJF 1001 "common terminology and measurement
Definitions ", JJF 1059" Evaluation and Expression of Uncertainty in Measurement write "Rules.
The calibration specifications in the development process to fully consider the national standard GB/T 2611 "universal testing machine technology to
Seek ", GB/T 5137.1-2002" Test Method for Automotive Safety Glass ", GB/T 6803-2008" ferritic steel None
Ductility transition temperature drop test method ", GB/T 8363-2007" ferritic steel drop weight tear test method ",
GB/T 9639.1-2008 "plastic film and sheet impact resistance test method for free - falling dart method"
GB/T 11548-1989 "rigid plastic sheet impact resistance test method (falling weight)" and industry standards
TB/T 1632.1-2005 "rail welding Part 1. General technical conditions", QB/T 2918-2007 "box
Packet drop hammer impact test method ", JB/T 9389-2008" non-metallic materials drop hammer impact test machine technical article
Member "related to the testing machine technical requirements, technical specifications and test methods.
This specification gives a drop hammer impact test machine metering characteristics specific calibration conditions, calibration items and calibration methods.
This specification is the first release.
Drop hammer impact test machine calibration specification
1 Scope
This instruction applies to calibration calibration drop hammer impact test machine, drop hammer impact test machine non-metallic drop hammer
Impact testing machine, metal drop hammer impact testing machine, falling weight impact test performed other instruments may refer to this specification into
Line calibration.
2. References
This specification refers to the following documents.
GB/T 2611 General requirements for testing machines
GB/T 5137.1-2002 Standard Test Method for automotive safety glass
GB/T 6803-2008 ferritic steels no ductility transition temperature drop test method
GB/T 8363-2007 ferritic steel drop weight tear tests
GB/T 9639.1-2008 plastic film and sheet impact resistance test method for free - falling dart method
GB/T 11548-1989 rigid plastic sheet impact resistance test method (falling weight)
TB1632.1-2005 rail welding Part 1. General technical conditions
QB/T 2918-2007 luggage drop hammer impact test
JB/T 9389-2008 nonmetallic materials drop hammer impact test machine technical conditions
For dated references, only the dated edition applies to this specification; undated reference documents
Member, the latest edition (including any amendments) applies to this specification.
3 Terms
3.1 drop hammer falingweight
Drop hammer, the gravitational potential energy is converted impact testing machine into kinetic energy, and the energy of impact to be directly
A member of the test sample. Typically using a predetermined material, having a certain shape, mass and hardness parameters
Claim.
3.2 swing amount swingamount
In the horizontal direction from the non-movable fixed table.
3.3 Drop height falingheight
Drop hammer hammer tip to the sample surface from the impact.
3.4 drop hammer impact point thepointofthefalingweightimpact
Drop hammer drop impact to the central position of the table horizontal plane.
3.5 energy loss lossenergy
Hammer in a fall due to air resistance, protective tube, guide friction and other factors means the loss of
energy.
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