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LY/T 3148-2019: General technical requirements for wood carving and its products
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General technical requirements for wood carving and its products
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LY/T 3148-2019
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Basic data | Standard ID | LY/T 3148-2019 (LY/T3148-2019) | | Description (Translated English) | General technical requirements for wood carving and its products | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B71 | | Classification of International Standard | 79.020 | | Word Count Estimation | 10,137 | | Date of Issue | 2019-10-23 | | Date of Implementation | 2020-04-01 | | Regulation (derived from) | Announcement of the State Forestry and Grassland Administration No. 17 of 2019 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 3148-2019: General technical requirements for wood carving and its products---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.
(General technical requirements for woodcarving and its products)
ICS 79.020
B 71
LY
People's Republic of China Forestry Industry Standard
General technical requirements for woodcarving and its products
General technical requirements for wood carving and its products
2019-10-23 released
2020-04-01 implementation
Published by the National Forestry and Grassland Administration
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the State Forestry and Grassland Administration.
This standard was drafted. China Forestry Publishing House, Yugantang Palace Rosewood Furniture in Dongyang City, Zhejiang Province, and Zhejiang Woodcarved Rosewood Furniture Products
Quality Inspection Center, Shandong Fuwang Furniture Co., Ltd., School of Furniture and Art, Central South Forestry University of Science and Technology, Nanzhou Cultural Communication Co., Ltd.
Company, the Palace Museum, Dongyang Wangshengji Woodcarving Creation Room, Jiangsu Zixianglong Rosewood Furniture Co., Ltd., Hangzhou Wood Code Hongyun Furniture Co., Ltd.
Company, Suzhou Hengdeli Furniture Co., Ltd., Hongbaotang Wood Carving Processing Factory in Dongyang City, Zhejiang Province, Jinmao Fuji Crafts Co., Ltd.
Division, Zhongshan Shengshi Zhicheng Furniture Co., Ltd., Hunan Judiange Classical Furniture Co., Ltd., Huzhou Lezai Wood Industry Co., Ltd., Fujian Province
Fu Classical Furniture Co., Ltd., Zhejiang Dongyang Quanhe Crafts Factory, Jiangsu Pinyuan Furniture Co., Ltd., Shenzhen Xiangli Craft Furniture Co., Ltd.
Company, Dongyang Pure Benson Living Rosewood Furniture Co., Ltd., Suzhou Mingmen Yaju Culture Media Co., Ltd., Fujian Huiquan Cultural Creative Co., Ltd.
Division, Hunan Yihongtang Furniture Manufacturing Co., Ltd., Fujian Fuyuansen Craft Furniture Culture Co., Ltd., Zhongshan Fengming Qishan Mahogany Furniture, China
National Redwood traceability Baozheng platform.
Drafters of this standard. Ji Liang, Jiang Jindong, Ma Haijun, Yuan Jindong, Wang Handong, Chen Huaping, Zhou Jingnan, Wang Xiangdong, Jiang Yuzhong, He
Jin Rong, Hu Yuyou, Jiang Baoliang, Yang Guifu, Li Zhenglun, Ji Zhi, Cheng Xiaorong, Huang Fuzhong, Bu Xiaoming, Yu Daoliang, Wang Wenman, Li Qingping,
Hu Xu, Chen Gequan, Yi Jihong, Wang Fusen, Yan Juncai, Tang Weicheng, Li Fengrong, Zhu Zhiyue, Zhou Yang, Wang Chuancheng, Chen Hui, Fan Fei, Pan
Sen Bo, Zhou Ben, Yuan Feiyu, Li Chen.
General technical requirements for woodcarving and its products
range
This standard specifies the terms and definitions, classification, carving techniques, technological processes, requirements, test methods, inspection rules, marks,
Instructions for use, packaging, storage, transportation, etc.
This standard applies to wood carving and its products.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. Everything is not
For dated references, the latest edition (including all amendments) applies to this document.
GB/T 1931-2009 Wood moisture content determination method
GB/T 3324-2017 General technical requirements for wooden furniture
GB 5296.6-2004 Instructions for the use of consumer goods Part 6. Furniture
GB 18584-2001 Limits of harmful substances in wood furniture for interior decoration materials
QB/T 2385-2018 dark precious hardwood furniture
3 terms and definitions
The terms and definitions defined in GB/T 3324-2017 and the following apply to this document.
3.1
Wood carving
Carving craftsmanship on wood.
3.2
Wood carving products
Crafted from various processing methods on wood.
3.3
Emboss carving
The three-dimensional sculpture method and form are presented on the plane.
3.4
Multi-angle carving
Multi-angle presents the engraving method and form of three-dimensional modeling.
3.5
Openwork carving
Method and form of engraving with penetrating characteristics.
4 Classification
4.1 By application
Building woodcarving, furniture woodcarving, decorative furnishing woodcarving, playing woodcarving and so on.
4.2 By expression
Relief, round sculpture, openwork, etc.
4.3 According to the engraving method
Hand engraving, mechanical engraving, and manual and mechanical engraving.
5 Engraving techniques and processes
5.1 Engraving techniques
It refers to the means and methods of carving, modeling, making, processing and other activities on raw materials.
5.2 Process flow
5.2.1 Material preparation
Timber drying and cutting.
5.2.2 Design and drafting
Design creation and modeling clay.
5.2.3 Carved billet
Carve out the basic shape of the object according to the design drawing.
5.2.4 Forming
Use various tools to carve details and polish.
5.2.5 Sanding
The white wood carvings are polished with different thicknesses of woodworking sandpaper to become smooth and smooth.
5.2.6 Fine carving
Improve the detail description and complete the entire engraving.
5.2.7 Surface treatment
5.2.7.1 Finishing
Finish with paint.
5.2.7.2 Waxing
After the wax is dissolved, it is rubbed on the surface of the product.
5.2.7.3 Hot wax
The wax is coated on the surface of the product and wiped with heat.
6 Requirements
Product inspection items and requirements are shown in Table 1.
Table 1 Product inspection items and their requirements
Requirements for inspection items
Types of section
Basically average
1 Product size deviation mm
Dimensions and measured values of the tested product drawings
Tolerance is ± 5%
2 Material requirements
Product identification, quality card, instructions for use
As well as in the sales contract
The wood used and its parts should be kept
Consistent
Wood should be dried. Furniture products contain
The water rate should be 8% to the year of the area where the product is used
Average timber equilibrium moisture content + 2.5%
Insecticidal wood should be treated with insecticide and repaired,
Wood that is still attacked by live insects should not be used
There should be no through cracks√
Minor defects should be repaired without affecting
Sculpture and the product itself
Requirements for inspection items
Types of section
Basically average
The material color and texture meet the product's own purpose√
product
Claim
Construction woodcarvings should meet the relevant national standards, industry standards, design and contract requirements
Furniture wood carvings should meet the requirements of GB/T 3324-2017 and QB/T 2385-2018
Decorative furnishings and wood carvings shall comply with relevant national standards, industry standards, design and contract requirements
The woodcarvings should be in accordance with the relevant national standards, industry standards, design and contract requirements
The content of heavy metals should meet the requirements of GB 18584-2001√
7 Test method
7.1 Dimension measurement
Table 1 The measurement of serial number 1 shall comply with the relevant regulations of GB/T 3324-2017.
7.2 Visual and sensory inspection
The appearance and sensory inspection items in No. 2 and 3 of Table 1 are inspected in accordance with the relevant regulations of GB/T 3324-2017.
7.3 Determination of moisture content in wood
1.1.1 The determination of the moisture content of wood in No. 2 of Table 1 shall comply with the relevant provisions of GB/T 3324-2017. When there is an objection to the measurement results
During the inspection, the determination of the moisture content of the wood shall comply with the provisions in Chapter 5 of GB/T 1931-2009.
7.4 Determination of heavy metals
According to the provisions of GB 18584-2001.
8 Inspection rules
8.1 Inspection classification
Product inspection is divided into factory inspection and type inspection.
8.2 Factory inspection
1.1.2 8.2.1 Factory inspection is the inspection that should be carried out when the product is delivered or delivered.
1.1.3 8.2.2 The factory inspection items are all the factory items in Table 1 with serial numbers 1 to 4 and the requirements of corresponding standards.
1.1.4 8.2.3 Factory inspection rules
The factory inspection shall be performed by the enterprise quality inspection department or the entrusted quality inspection department within the validity period of the product type inspection qualification level. unqualified products
Should not leave the factory. Factory inspection should generally be carried out in full.
8.3 Type inspection
1.1.5 8.3.1 Type inspection shall include all items in Table 1.
1.1.6 8.3.2 Type inspection shall be carried out in one of the following cases.
1.1.7 a) When the product is officially produced, it should be inspected regularly;
1.1.8 b) When there are major changes in raw and auxiliary materials and their production processes;
1.1.9 c) When the product is suspended for a long time, when it resumes production;
1.1.10 d) Trial-type identification of new or old products;
1.1.11 e) When the quality supervision department requests the type inspection.
8.4 Sampling rules
1.1.12 Within one inspection period, two samples are randomly selected from the product, one is sent for inspection, and the other is sealed.
8.5 Determination of inspection results
The basic items are all qualified, the general items are not qualified to not exceed 2 items, and the product is judged to be qualified. Those that fail to meet the requirements for qualified products are unqualified products.
9 signs, instructions for use, packaging, storage, transportation
9.1 Signs
The product mark should include at least the following.
a) Product name, model specifications;
b) implementation of standard numbering;
c) product material name;
d) Certificate of inspection compliance, production date;
e) Chinese producer name and address.
9.2 Instructions for use
1.1.13 The preparation of the instructions for use of products shall comply with the provisions of GB 5296.6-2004, and the content shall include.
a) Product name, model specification, and product execution standard number;
b) the name of the material used in the product and its location;
c) product installation and adjustment methods;
d) product use methods, precautions;
e) Product failure analysis and troubleshooting, maintenance methods.
9.3 Packaging
In order to prevent the appearance quality of the product from being damaged, the product should have suitable packaging.
9.4 Storage and transportation
The storage place of the products should be dry, ventilated, clean and hygienic, and the products should be protected from pollution, moth-eaten, moisture, and exposure during storage. Products in transit
During the transportation, cover and necessary protection should be added to avoid sunlight and rain. Transport, loading and unloading should be carried lightly to prevent impact
Shock, vibration, pressure, and friction to prevent damage to products and packaging.
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