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Potable china-saws - Vocabulary
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Machinery for forestry -- Portable chain-saws -- Vocabulary
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Machinery for forestry -- Chain-saws -- Vocabulary
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Basic data Standard ID | GB/T 18960-2023 (GB/T18960-2023) | Description (Translated English) | Potable china-saws -- Vocabulary | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | B90 | Classification of International Standard | 65.060.70 | Word Count Estimation | 20,248 | Date of Issue | 2023-05-23 | Date of Implementation | 2023-05-23 | Older Standard (superseded by this standard) | GB/T 18960-2012 | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Management Committee |
GB/T 18960-2023: Potable china-saws - Vocabulary---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.
ICS 65:060:70
CCSB90
National Standards of People's Republic of China
Replacing GB/T 18960-2012
Portable Chainsaw Glossary
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document replaces GB/T 18960-2012 "Vocabulary of Portable Chainsaws for Forestry Machinery": Compared with GB/T 18960-2012, except
Apart from structural adjustments and editorial changes, the main technical changes are as follows:
a) Changed "Logging", "Limbing", "Lumbering", "Rebound", "Drive Sprocket", "Saw Chain Pitch", "Saw Cut Length", "Front Hand Guard", "Guard Bar Head Guard"
Cover", "rear hand guard", "choke", "throttle trigger" and "clutch" (see 3:1:1, 3:1:2, 3:1:3, 3:1:6, 3:3:3,
3:3:6, 3:3:7, 3:4:2:1, 3:4:3, 3:4:6, 3:5:2, 3:5:8, 3:9:1, 2:1:1, 2:1:2, 2:1:3, 2:1:6 of the:2012 edition ,
2:3:3, 2:3:6, 2:3:7, 2:4:3:1, 2:4:4, 2:4:7, 2:5:3, 2:5:10, 2:9:1);
b) Change the term "plunge sawing" to "grooving" and change its definition (see 3:1:5, 2:1:5 of the:2012 edition);
c) Added "Clamping Kickback" "Manual Triggered Saw Chain Brake" "Calculated Kickback Angle" "Calculated Kickback When Saw Chain Brake Triggered"
Bar stop angle""Bounce back bar stop angle calculated when the saw chain brake is not activated""Kickback angle calculated with the saw chain stopped""Bounce back
"equipment" terms and definitions (see 3:1:7, 3:4:1:1, 3:9:10, 3:9:10:1, 3:9:10:2, 3:9:10:3, 3:9:11);
d) Change the term "passive saw chain brake" to "non-manually triggered saw chain brake" and change its definition (see
3:4:1:2, 2:4:2 of the:2012 edition);
e) Change the term "starting throttle locking device" to "throttle control lock" and change its definition (see 3:5:7,:2012 edition
2:5:9);
f) Change the term "hand pull back rope starter" to "rebound rope starter" (see 3:5:9, 2:5:11 of the:2012 edition);
g) Change the term "electric starter" to "electric starter" and change its definition (see 3:5:10, 2:5:12 of the:2012 edition);
h) Deleted the terms and definitions of "high chainsaw" (see 2:2:1:3 of the:2012 edition):
This document is equivalent to ISO 6531:2017 "Vocabulary of Portable Chain Saws for Forestry Machinery":
The following minimal editorial changes have been made to this document:
--- In order to coordinate with existing standards, change the name of the standard to "Portable Chainsaw Vocabulary":
---Terms "saw chain brake handle", "throttle trigger", "idle speed regulator", "low speed mixture regulator", "high speed mixture regulator" added
Note;
--- Added index:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by the State Forestry and Grassland Administration:
This document is under the jurisdiction of the National Forestry Machinery Standardization Technical Committee (SAC/TC61):
This document is drafted by: State Forestry and Grassland Bureau Harbin Forestry Machinery Research Institute, Zhejiang Sanfeng Industrial Co:, Ltd:, Yongkang City
Maojin Garden Machinery Co:, Ltd:, Zhejiang Yate Electric Co:, Ltd:, Zhejiang Zhongjian Technology Co:, Ltd:, Ningbo Daye Garden Equipment
Co:, Ltd:, Zhejiang Pioneer Technology Co:, Ltd:
The main drafters of this document: Li Yingzhen, Yang Feng, Zou Yongfeng, Ding Junfeng, She Guangyu, Yang Haiyue, Tong Baijun, Zhu Daoqing, Wang Zhendong:
This document was first released in:2003, revised for the first time in:2012, and this is the second revision:
Portable Chainsaw Glossary
1 Scope
This document defines terms for the mechanical aspects of portable chain saws, saw chains and bars:
See Appendix A for the various stations of the chainsaw:
2 Normative references
This document has no normative references:
3 Terms and Definitions
3:1 Homework
3:1:1
logging
The work of separating a standing tree from its roots:
3:1:2
delimbing
The work of removing branches from a tree trunk or branches:
3:1:3
Bucking, slashing
The work of cutting felled or uprooted trees or parts of trees into different lengths:
3:1:4
Timber splitting
The operation of sawing a tree trunk or a section of tree trunk longitudinally into several boards:
3:1:5
Grooving boring
process of cutting a groove with a saw chain (3:3:1) at the head of a guide bar (3:3:5)
3:1:6
rebound kickback
When the saw chain (3:3:1) above the head of the running bar (3:3:5) comes into contact with objects such as logs/twigs, rapid upward movement may occur:
and/or backward motion:
3:1:7
pinch kickback pinchkickback
When the moving saw chain (3:3:1) on a chainsaw cuts into wood and the chain on the upper side of the guide bar (3:3:5) becomes clamped, chain
The saw moves back quickly:
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