{"id":14491,"date":"2018-03-27T20:10:34","date_gmt":"2018-03-27T17:10:34","guid":{"rendered":"http:\/\/new.estrade.com.ua\/2018\/03\/27\/sliced-veneer-manufacturing-standards-and-technology\/"},"modified":"2021-12-09T01:37:26","modified_gmt":"2021-12-08T22:37:26","slug":"struganyj-shpon-standarty-ta-tekhnologiya-vygotovlennya","status":"publish","type":"post","link":"https:\/\/estrade.com.ua\/en\/struganyj-shpon-standarty-ta-tekhnologiya-vygotovlennya\/","title":{"rendered":"Sliced veneer &mdash; manufacturing standards and technology"},"content":{"rendered":"<p><strong>Sliced veneer<\/strong> must be&nbsp;manufactured in&nbsp;accordance with the standards of&nbsp;the process instruction approved in&nbsp;the prescribed manner. Standard GOST 2977-82 applies to&nbsp;sliced veneer, which is&nbsp;used as&nbsp;a&nbsp;cladding material.<\/p>\n<h2>Veneer of&nbsp;class&nbsp;I and class II<\/h2>\n<p>Veneer quality wood veneer divided into first class and second class veneer. Grade veneer is&nbsp;determined by&nbsp;the presence of&nbsp;certain defects of&nbsp;wood.<\/p>\n<p><strong>Veneer of&nbsp;the first grade is&nbsp;mainly of&nbsp;minor defects, allowed:<\/strong><\/p>\n<ul>\n<li>Healthy Intergrown light and dark knots up&nbsp;to&nbsp;20&nbsp;mm per 1&nbsp;m length of&nbsp;the sheet;<\/li>\n<li>Allowed fungal destruction, but shall not exceed&nbsp;10% of&nbsp;the area of&nbsp;the sheet, it&nbsp;can be&nbsp;brown, mushroom dyeing, mushroom stripes and spots;<\/li>\n<li>Allowed&nbsp;10% of&nbsp;the area of&nbsp;the sheet of&nbsp;chemical coloring;<\/li>\n<li>No&nbsp;more than&nbsp;10% of&nbsp;the area of&nbsp;the sheet permissible internal sapwood and spotting.<\/li>\n<\/ul>\n<p>For <strong>veneer of&nbsp;the second grade<\/strong> according to&nbsp;GOST-standard allowed more wood defects, so&nbsp;the life of&nbsp;the veneer is&nbsp;less long, and the aesthetic appearance is&nbsp;less attractive.<\/p>\n<blockquote><p>Euroshpon-Trade offers you <a href=\"\/en\/product-category\/shpon-struganyj-naturalnyj\/\" title=\"Buy sliced veneer\">sliced veneer<\/a> different types of&nbsp;wood at&nbsp;affordable prices and decent quality. We&nbsp;are always glad to&nbsp;cooperation and we&nbsp;offer the best conditions to&nbsp;our partners and clients.<\/p><\/blockquote>\n<h3>Depending on&nbsp;the wood texture according to&nbsp;GOST-standard veneer is&nbsp;divided into the following types:<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered\">\n<tr>\n<th rowspan=\"2\">Veneer type<\/th>\n<th colspan=\"2\" style=\"text-align: center;\">Characteristics of&nbsp;veneer species<\/th>\n<\/tr>\n<tr>\n<th style=\"text-align: center;\">By&nbsp;annual layers<\/th>\n<th style=\"text-align: center;\">By&nbsp;core rays<\/th>\n<\/tr>\n<tr>\n<td><strong>Radial (R)<\/strong><\/td>\n<td>Year layers as&nbsp;straight parallel lines along the entire surface of&nbsp;the sheet<\/td>\n<td>Core rays have the form of&nbsp;strips arranged at&nbsp;least on &frac34; sheet area<\/td>\n<\/tr>\n<tr>\n<td><strong>Half radial (HR)<\/strong><\/td>\n<td>Layers in&nbsp;the form of&nbsp;direct parallel lines located not less than &frac34; square sheet<\/td>\n<td>The rays have the form of&nbsp;inclined or&nbsp;longitudinal strips located not less than &frac12; square sheet<\/td>\n<\/tr>\n<tr>\n<td><strong>Tangential (T)<\/strong><\/td>\n<td>Annual layers in&nbsp;the form of&nbsp;a&nbsp;cone of&nbsp;increase, angles or&nbsp;curved lines<\/td>\n<td>The rays have the form of&nbsp;longitudinal or&nbsp;oblique strokes or&nbsp;lines<\/td>\n<\/tr>\n<tr>\n<td><strong>Tangential end face (TF)<\/strong><\/td>\n<td>Year layers have the form of&nbsp;closed curves<\/td>\n<td>The core rays appear as&nbsp;curved lines or&nbsp;strokes<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h3>Dimensions of&nbsp;sliced veneer class 1&nbsp;and&nbsp;2, according to&nbsp;GOST 2977-82:<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered\">\n<tr>\n<th rowspan=\"2\">Size sheet<\/th>\n<th colspan=\"2\" style=\"text-align: center;\">1st grade<\/th>\n<th colspan=\"2\" style=\"text-align: center;\">2nd grade<\/th>\n<\/tr>\n<tr>\n<th style=\"text-align: center;\">T, HR, R<\/th>\n<th style=\"text-align: center;\">TF<\/th>\n<th style=\"text-align: center;\">T, HR, R<\/th>\n<th style=\"text-align: center;\">TF<\/th>\n<\/tr>\n<tr>\n<td>Minimum length (with gradation 50)<\/td>\n<td style=\"text-align: center;\">900<\/td>\n<td style=\"text-align: center;\">200<\/td>\n<td style=\"text-align: center;\">400<\/td>\n<td style=\"text-align: center;\">200<\/td>\n<\/tr>\n<tr>\n<td>Minimum width (with gradation 10)<\/td>\n<td style=\"text-align: center;\">120<\/td>\n<td style=\"text-align: center;\">200<\/td>\n<td style=\"text-align: center;\">160<\/td>\n<td style=\"text-align: center;\">100<\/td>\n<\/tr>\n<tr>\n<td>Thickness<\/td>\n<td colspan=\"4\" style=\"text-align: center;\">0,5; 0,6; 0,7; 0,8; 0,9; 1,0<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<p>However, the humidity of&nbsp;the wood should match the rate&nbsp;&mdash; 8 (&plusmn;2%).<\/p>\n<h3>Characteristics of&nbsp;wood for the production of&nbsp;sliced veneer:<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table table-bordered\">\n<tr>\n<th>Tree species<\/th>\n<th style=\"text-align: center;\">Raw material grade<\/th>\n<th style=\"text-align: center;\">Diameter, not less than (cm)<\/th>\n<th style=\"text-align: center;\">Length, not less than (m)<\/th>\n<\/tr>\n<tr>\n<td>Oak, ilm, beech, ash<\/td>\n<td style=\"text-align: center;\">1; 2<\/td>\n<td style=\"text-align: center;\">26<\/td>\n<td style=\"text-align: center;\">1,5<\/td>\n<\/tr>\n<tr>\n<td>Maple, walnut, velvet, hornbeam<\/td>\n<td style=\"text-align: center;\">1; 2<\/td>\n<td style=\"text-align: center;\">22<\/td>\n<td style=\"text-align: center;\">1,5<\/td>\n<\/tr>\n<tr>\n<td>Mahogany<\/td>\n<td style=\"text-align: center;\">1; 2; 3<\/td>\n<td style=\"text-align: center;\">40<\/td>\n<td style=\"text-align: center;\">3,0<\/td>\n<\/tr>\n<tr>\n<td>Larch<\/td>\n<td style=\"text-align: center;\">1; 2<\/td>\n<td style=\"text-align: center;\">32<\/td>\n<td style=\"text-align: center;\">2,5<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2>Technological process of&nbsp;obtaining sliced veneer<\/h2>\n<p>To&nbsp;obtain high-quality veneer should take a&nbsp;responsible approach to&nbsp;each stage of&nbsp;its manufacturing process, from preparation to&nbsp;sliced. For cross-cutting of&nbsp;wood electric saws or&nbsp;gasoline-engine saws are necessary. Usually such cutting is&nbsp;necessary if&nbsp;the length of&nbsp;logs exceeds 3&nbsp;meters. For longitudinal cutting band saw vertical and horizontal machines are used in&nbsp;production of&nbsp;an&nbsp;interline interval. Cutting can give a&nbsp;symmetrical parallel bars and asymmetric bars (wanchese).<\/p>\n<p><strong>There are a&nbsp;lot of&nbsp;methods of&nbsp;longitudinal cutting, and their choice depends&nbsp;on:<\/strong><\/p>\n<ul>\n<li>Output radial veneer;<\/li>\n<li>Diameter of&nbsp;wood;<\/li>\n<li>Number of&nbsp;sliced bars (simultaneous process);<\/li>\n<li>Fastening of&nbsp;asymmetric bars.<\/li>\n<\/ul>\n<p><strong>Methods of&nbsp;cutting wood and their characteristics:<\/strong><\/p>\n<ul>\n<li>&laquo;Wanchese&raquo; 4-way&nbsp;&mdash; receive a&nbsp;high quality veneer, sliced goes from the center to&nbsp;the periphery. Often this method is&nbsp;used for mahogany beams;<\/li>\n<li>Cut into quarters-radial veneer is&nbsp;obtained, the sliced of&nbsp;the bars takes place in&nbsp;two stages;<\/li>\n<li>&laquo;Kryazhevoy&raquo; method&nbsp;&mdash; you need reliable fastening of&nbsp;the materials that they receive the tangential veneer;<\/li>\n<li>Method of&nbsp;tripling with sawing core board-use, if&nbsp;there are problems in&nbsp;the quality of&nbsp;raw materials, namely the core of&nbsp;wood, often used for such wood as&nbsp;larch;<\/li>\n<li>Triage without sawing core-get radial veneer, but the process of&nbsp;sliced is&nbsp;more time-consuming;<\/li>\n<li>Lumber blunt mode way&nbsp;&mdash; need a&nbsp;reliable fasteners, receive a&nbsp;tangential veneer;<\/li>\n<li>Combined method of&nbsp;cutting-suitable for wood with tread cracks and bars of&nbsp;large diameter;<\/li>\n<li>Asymmetrical cutting for beams with an&nbsp;oval cross-section;<\/li>\n<li>Sector-radial method is&nbsp;applied to&nbsp;blanks by&nbsp;piece, is&nbsp;laborious, but in&nbsp;the end get high quality veneer (up&nbsp;to&nbsp;70% radial veneer);<\/li>\n<li>&laquo;Wanchese&raquo; with cutting out the core wood used for larch or&nbsp;material defects in&nbsp;the region of&nbsp;the core.<\/li>\n<\/ul>\n<p><strong>For further stage of&nbsp;production of&nbsp;veneer used sliced-veneer vertical, horizontal and slant machines. Stages of&nbsp;work on&nbsp;the machine are as&nbsp;follows:<\/strong><\/p>\n<ol>\n<li>Bars are loaded on&nbsp;the working surface of&nbsp;the machine, installed with fasteners;<\/li>\n<li>Process of&nbsp;sliced and issue of&nbsp;sheets;<\/li>\n<li>Laying of&nbsp;veneer, obtained from a&nbsp;single beam in&nbsp;a&nbsp;bundle;<\/li>\n<li>Re-routing of&nbsp;bars;<\/li>\n<li>Sliced after recanting of&nbsp;&laquo;wanchese&raquo;;<\/li>\n<li>Removes the remaining after sliced the fillets.<\/li>\n<\/ol>\n<blockquote><p>Production <a href=\"\/en\/product-category\/shpon-struganyj-naturalnyj\/\" title=\"Buy sliced veneer\">sliced veneer<\/a> is&nbsp;a&nbsp;time-consuming and unique process. When veneering in&nbsp;the furniture industry it&nbsp;is&nbsp;very important that the material was of&nbsp;the highest quality, the only way to&nbsp;get aesthetically beautiful products, so&nbsp;buy sliced veneer is&nbsp;recommended from a&nbsp;trusted manufacturer. The company <strong>Euroshpon-Trade<\/strong> is&nbsp;a&nbsp;representative of&nbsp;<strong>Euroshpon-Smyga<\/strong> and is&nbsp;responsible for product quality and compliance of&nbsp;veneer GOST standards.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Sliced veneer must be&nbsp;manufactured in&nbsp;accordance with the standards of&nbsp;the process instruction approved in&nbsp;the prescribed manner. Standard GOST 2977-82 applies to&nbsp;sliced<\/p>\n","protected":false},"author":1,"featured_media":14168,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-14491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publikacziyi"],"_links":{"self":[{"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/posts\/14491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/comments?post=14491"}],"version-history":[{"count":1,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/posts\/14491\/revisions"}],"predecessor-version":[{"id":22087,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/posts\/14491\/revisions\/22087"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/media\/14168"}],"wp:attachment":[{"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/media?parent=14491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/categories?post=14491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/estrade.com.ua\/en\/wp-json\/wp\/v2\/tags?post=14491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}