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GB/T 19726.1-2020 English PDF

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GB/T 19726.1-2020: Machinery for forestry - Portable chain-saw safety requirements and testing - Part 1: Chainsaws for forest service
Status: Valid

GB/T 19726.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 19726.1-2020English494 Add to Cart 3 days [Need to translate] Machinery for forestry - Portable chain-saw safety requirements and testing - Part 1: Chainsaws for forest service Valid GB/T 19726.1-2020
GB 19726.1-2013English999 Add to Cart 3 days [Need to translate] Machinery for forestry -- Portable chain-saw safety requirements and testing -- Part 1: Chain-saws for forest service Obsolete GB 19726.1-2013
GB 19726.1-2008English759 Add to Cart 5 days [Need to translate] Machinery for forests -- Portable chain-saws -- Safety requirements and testing -- Part 1: Chain-saws for normal forest work Obsolete GB 19726.1-2008
GB 19726.1-2005English679 Add to Cart 3 days [Need to translate] Forestry machinery -- Portable chain-saws -- Safety requirements and testing Obsolete GB 19726.1-2005

PDF similar to GB/T 19726.1-2020


Standard similar to GB/T 19726.1-2020

GB/T 24674   LY/T 1346   GB/T 21962   GB/T 19724   GB/T 19725.1   GB/T 19726.2   

Basic data

Standard ID GB/T 19726.1-2020 (GB/T19726.1-2020)
Description (Translated English) Machinery for forestry - Portable chain-saw safety requirements and testing - Part 1: Chainsaws for forest service
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B95
Classification of International Standard 65.060.80
Word Count Estimation 26,289
Date of Issue 2020-04-28
Date of Implementation 2020-04-28
Older Standard (superseded by this standard) GB 19726.1-2013
Quoted Standard GB/T 23821-2009; ISO 6531-2008; ISO 6533; ISO 6534; ISO 6535; ISO 7293; ISO 7914; ISO 7915; ISO 8334; ISO 9518; ISO 10726; ISO 12100-2010; ISO 13772; ISO 13849-1-2006; ISO 13849-2; ISO 14982-1998; ISO 22867; ISO 22868; IEC 60745-1-2006
Adopted Standard ISO 11681-1-2011, IDT
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the safety requirements and test methods for the design and structure of portable forest chain saws powered by internal combustion engines (hereinafter referred to as forest chain saws). This standard applies to hand-held forestry chainsaws that have read and understood the safety requirements in the instruction manual, and have used the correct personal protective equipment (PPE), right-handed rear handle, left-handed front handle, and one-person operation. . This standard specifies methods for eliminating or reducing various hazards arising from the use of forest chain saws, and specifies the information requirements for safe operation provided by manufacturers. This standard specifies all serious hazards related to forest chain saws in normal use and reasonable and foreseeable misuse, but does not include forest chain saws with engine displacement above 80cm3 by

GB/T 19726.1-2020: Machinery for forestry - Portable chain-saw safety requirements and testing - Part 1: Chainsaws for forest service


---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.
Machinery for forestry--Portable chain-saw safety requirements and testing--Part 1. Chain-saws for forest service ICS 65.060.80 B95 National Standards of People's Republic of China Replace GB 19726.1-2013 Safety requirements and tests of forestry machinery portable chain saw Part 1. Forest saw (ISO 11681-1..2011, IDT) 2020-04-28 release 2020-04-28 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Safety requirements and/or protective measures 3 4.1 General 3 4.2 Handle 3 4.3 Hand protection 3 4.4 Balance 4 4.5 Protection against rebound 4 4.6 Chain stop pin 5 4.7 Wooden teeth 5 4.8 Chip removal 5 4.9 Guide cover 6 4.10 Engine starting device 6 4.11 Engine stop switch 6 4.12 Throttle control 6 4.13 Drive sprocket shield 8 4.14 Clutch 8 4.15 Protection of high voltage live parts 8 4.16 Protection of hot parts 8 4.17 Fuel and oil system 11 4.18 Exhaust gas emissions 12 4.19 Saw chain lubrication 12 4.20 Tensioning of saw chain 12 4.21 Vibration 12 4.22 Noise 12 4.23 Electromagnetic compatibility 13 5 Usage Information 13 5.1 Operating Instructions 13 5.2 Logo 15 5.3 Warning 16 5.4 Label test 16 Appendix A (Informative Appendix) List of Serious Hazards 18 Reference 20

Foreword

GB/T 19726 "Safety Requirements and Tests of Portable Chainsaws for Forestry Machinery" is divided into the following two parts. --- Part 1. Forest saws; --- Part 2. Pruning chainsaw. This part is part 1 of GB/T 19726. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces GB 19726.1-2013 "Forestry Machinery Portable Chainsaw Safety Requirements and Tests Part 1. Forest Chainsaw". Compared with GB 19726.1-2013, the main technical content has not changed. The translation method used in this part is equivalent to ISO 11681-1..2011 "Safety Requirements and Tests for Portable Chainsaws for Forestry Machinery Part 1" Points. Forest Chainsaw. " The documents in China that have a consistent correspondence with the normatively cited international documents in this section are as follows. --- GB/T 5390-2013 Forestry and garden machinery specification for noise measurement of portable handheld operating machinery powered by internal combustion engine Engineering method (level 2 accuracy) (ISO 22868..2011, IDT) --- GB/T 5395-2014 Forestry and garden machinery vibration measurement specification for portable handheld operating machinery powered by internal combustion engine Handle vibration (ISO 22867..2011, IDT) --- GB/T 15706-2012 General principles of machinery safety design risk assessment and risk reduction (ISO 12100..2010, IDT) --- GB/T 16855.1-2018 Safety related parts of machinery safety control system Part 1. General rules for design (ISO 13849- 1..2015, IDT) --- GB/T 16855.2-2015 Safety related parts of machinery safety control system Part 2. Confirmation (ISO 13849-2. 2012, IDT) --- GB/T 18960-2012 Forestry machinery portable chain saw vocabulary (ISO 6531..2008, IDT) --- GB/T 20456-2012 Forestry machinery portable chain saw passive chain brake performance requirements and test methods (ISO 13772..2009, IDT) --- GB/T 21398-2008 Agricultural and forestry machinery electromagnetic compatibility test methods and acceptance rules (ISO 14982..1998, IDT) --- LY/T 1166-2015 Forestry machinery portable chain saw hand guard mechanical strength (ISO 6534..2007, IDT) --- LY/T 1167-2014 Forestry machinery portable chain saw front hand guard size and clearance (ISO 6533..2012, IDT) --- LY/T 1346-2011 Forestry machinery portable chain saw balance and maximum grip torque determination (ISO 8334..2007, IDT) --- LY/T 1347-1999 Forestry machinery chain saw handle strength determination (idtISO 7915..1991) --- LY/T 1348-2015 Forestry machinery portable chain saw handle minimum clearance and size (ISO 7914..2002, IDT) --- LY/T 1578-2000 size and mechanical strength of portable chain saw stop pin (eqvISO 10726..1992) --- LY/T 1593-2001 Portable chain saw engine performance and fuel consumption (eqvISO 7293..1997) --- LY/T 2725-2016 Forestry machinery portable chain saw rebound test (ISO 9518..1998, MOD) --- LY/T 2890-2017 Portable chain saw chain brake performance test method (ISO 6535..2015, IDT) Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents. This part is proposed by the State Forestry and Grassland Bureau. This part is under the jurisdiction of the National Forestry Machinery Standardization Technical Committee (SAC/TC61). This section was drafted by. Zhejiang Yusen Bailian Tools Co., Ltd., Zhejiang Yate Electric Co., Ltd., Zhejiang Zhongma Garden Machinery Co., Ltd. Limited company, Zhejiang Zhongjian Technology Co., Ltd., Ningbo Daye Garden Equipment Co., Ltd., Zhejiang Pineil Technology Co., Ltd., Zhejiang Sanfeng Industrial Co., Ltd., Jiangsu Linhai Power Machinery Group Co., Ltd., Harbin Forestry Machinery Research Institute of State Forestry and Grassland Bureau Research Institute. The main drafters of this section. Tang Enchang, Ding Junfeng, Lai Youzheng, Xia Hongmao, Lan Yanglin, Zhu Daoqing, Yang Feng, Zhang Rongshan, Wang Zhendong. The previous versions of the standard replaced by this part are as follows. --- GB 19726.1-2005, GB 19726.1-2008, GB 19726.1-2013. Safety requirements and tests of forestry machinery portable chain saw Part 1. Forest saw

1 Scope

This part of GB/T 19726 specifies the design and structure of portable forest saws powered by internal combustion engines (hereinafter referred to as forest saws) The safety requirements and test methods of the structure. This section applies to the safety requirements in the operating instructions that have been read and understood, while enabling Use the correct personal protective equipment (PPE), the right hand to operate the rear handle, the left hand to operate the front handle, and the single-handed handheld forest saw. this The section gives methods for eliminating or reducing various hazards generated when using forest saws, and stipulates the relevant safety provided by the manufacturer Operational information requirements. This section gives all serious hazards related to forest saws during normal use and reasonable and predictable misuse, but not including Including the damage caused by rebound or balance in forest saws with engine displacement above 80cm3. Note. Appendix A lists a list of serious hazards. This section only applies to forest saws produced after its implementation.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 23821-2009 Safety of machinery to prevent the upper and lower limbs from reaching the safe distance of the hazardous area (ISO 13857..2008, IDT) ISO 6531..2008 Forestry machinery portable chain saw vocabulary (Machineryforforestry-Portablechain-saws- Vocabulary) ISO 6533 size and clearance of front hand guard of chain saw (Forestrymachinery-Portablechain-sawfronthand- guard-Dimensionsandclearances) ISO 6534 Forestry Machinery Portable Chainsaw Handguard Mechanical Strength (Forestrymachinery-Portablechain-saw handguards-Mechanicalstrength) ISO 6535 portable chain saw chain brake performance (Portablechain-saws-Chainbrakeperformance) ISO 7293 Forestry machinery portable chain saw engine performance and fuel consumption (Forestrymachinery-Portable chain-saws-Engineperformanceandfuelconsumption) ISO 7914 Forestry machinery portable chain saw handle minimum clearance and size (Forestrymachinery-Portablechain- saws-Minimumhandleclearanceandsizes) ISO 7915 Determination of the strength of forestry machinery chainsaw handlebars (Forestrymachinery-Portablechain-saws-De- terminationofhandlestrength) ISO 8334 Forestry machinery portable chain saw balance determination (Forestrymachinery-Portablechain-saws-De- terminationofbalanceandmaximumholdingmoment) ISO 9518 Forestry machinery portable chain saw rebound test (Forestrymachinery-Portablechain-saws-Kick- backtest) ISO 10726 size and mechanical strength of portable chain saw chain stop (Portablechain-saws-Chaincatcher-Di- mensionsandmechanicalstrength) ISO 12100..2010 General principles of machinery safety design risk assessment and risk reduction (Safetyofmachinery-General

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