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LY/T 2054-2012: Methods for evaluating machining properties of lumber
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| LY/T 2054-2012 | English | 259 |
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Methods for evaluating machining properties of lumber
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LY/T 2054-2012
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Basic data | Standard ID | LY/T 2054-2012 (LY/T2054-2012) | | Description (Translated English) | Methods for evaluating machining properties of lumber | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B60 | | Classification of International Standard | 79.010 | | Word Count Estimation | 10,129 | | Quoted Standard | GB/T 1930-2009; GB/T 1931-2009; GB/T 1933-2009; ASTM D1666-1987 (2004) | | Regulation (derived from) | State Forestry Administration Notice 2012 No. 5; industry standard filing Notice 2012 No. 4 (No. 148 overall) | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the process used in the production of lumber planing, sanding, drilling, milling, carving, turning six kinds of mechanical processing methods of the test program and its processing performance evaluation. This standard applies to d | LY/T 2054-2012: Methods for evaluating machining properties of lumber---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.
Methods for evaluating machining properties of lumber
ICS 79.010
B60
People's Republic of China Forestry Industry Standard
Sawn timber machining performance evaluation method
Published on.2012-02-23
2012-07-01 implementation
State Forestry Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. Publication of this document
The organization is not responsible for identifying these patents.
This standard is proposed and managed by the National Timber Standardization Technical Committee (SAC/TC41).
This standard was drafted. Wood Industry Research Institute of China Academy of Forestry, Guangdong Yingbin Nature Wood Co., Ltd.
The main drafters of this standard. Yin Yafang, Jiang Xiaomei, Fu Yuejin, Yan Xuebin, Hou Xinyi, Zhang Xunya, Jiang Jinghui, Liu Bo.
Sawn timber machining performance evaluation method
1 Scope
This standard specifies the six types of machining methods commonly used in planing, sanding, drilling, milling, boring and turning.
Program and its processing performance evaluation method.
This standard applies to different types of wood, various shapes of solid wood sawn timber.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1930-2009 Method for determination of wood annual ring width and late wood rate
GB/T 1931-2009 Determination method of wood moisture content
GB/T 1933-2009 Method for determination of wood density
ASTMD1666-87 (reapproved2004) Wood and wood composites machinability test
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Chip indentation chipmark
The shallow indentations produced by the machined surface.
3.2
Feed speed feedspeed
The length (m) of the material being processed through the processing equipment per unit time (s).
3.3
Rough pattern raisedgrain
A rough machined surface formed by a portion of the harder, longer wood portion of the softer wood portion that is not completely separated from the surface.
3.4
Burr fuzzygrain
A small particle or bundle of fibers standing upright on the machined surface without being completely cut.
3.5
Burr groove
The part of the wood that has been torn to the surface.
3.6
Surface roughness surfaceroughness
The machined surface has a small pitch and a small peak-to-valley unevenness, also called microscopic unevenness, which is a micro-geometric error.
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