{"id":651,"date":"2026-04-11T05:01:12","date_gmt":"2026-04-10T22:01:12","guid":{"rendered":"http:\/\/www.tneutron.net\/seni\/?p=651"},"modified":"2026-04-10T10:20:32","modified_gmt":"2026-04-10T03:20:32","slug":"gluing-process-and-compression-plywood","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/seni\/gluing-process-and-compression-plywood\/","title":{"rendered":"Gluing Process and Compression Plywood"},"content":{"rendered":"<p data-iceapc=\"7\" data-iceapw=\"156\"><span class=\"notranslate\" data-iceapw=\"31\">Gluing process usually often give results that are inadequate or failure is generally caused by finir conditions (moisture content and porosity) and the adhesive itself, in addition to the gluing process.<\/span> <span class=\"notranslate\" data-iceapw=\"2\"> Kagagalan are:<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"23\"> o BGJ = Bleeding Joint Glue, the adhesion failure caused by excess adhesive in the gluing process, so that the adhesive becomes overflowing.<\/span> <span class=\"notranslate\" data-iceapw=\"21\"> This is because given the excessive adhesive, adhesive too thin or because the water content finir \/ timber is too high.<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"36\"> o SGJ = Starved Joint Glue, namely the failure of adhesion, which is caused due to a lack of adhesive in the gluing process, so that the surface finir \/ timber is not terlabur adhesive evenly.<\/span> <span class=\"notranslate\" data-iceapw=\"26\"> This is because the amount of adhesive dilaburkan less, porosity finir \/ timber high or because the moisture content finir \/ wood are bonded very low.<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"17\"> o The water content finir to be bonded should be at 6-8%, or do not exceed 10%.<\/span><\/p>\n<p data-iceapc=\"3\" data-iceapw=\"49\"><span class=\"notranslate\" data-iceapc=\"1\" data-iceapw=\"2\"> <strong data-iceapw=\"2\">Compression Plywood<\/strong><\/span> <strong><br \/>\n<\/strong> <span class=\"notranslate\" data-iceapw=\"20\"> Compression can be done in cold plywood (plain), heat or a combination of both, which is cold and heat compression.<\/span> <span class=\"notranslate\" data-iceapw=\"21\"> When used in combination will result pres efficiency fairly high heat for smoothing the adhesive has been done on cold pressed.<\/span> <span class=\"notranslate\" data-iceapw=\"18\"> The combination is very suitable compression applied to the use of synthetic adhesives such as UF and PF.<\/span> <span class=\"notranslate\" data-iceapw=\"7\"> Adhesion conditions can be given as follows:<\/span><br \/>\n<span class=\"notranslate\" data-iceapc=\"1\" data-iceapw=\"8\"> <strong data-iceapw=\"2\">Cold pressed:<\/strong> &#8211; the time over 5 minutes<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"9\"> Pressure above 15 kg \/ cm2 (above 200 psi)<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"25\"> &#8211; Cold compression is done once for each of the candidate pile plywood (up to 100 sheets) of each of the tools of cold press.<\/span><br \/>\n<span class=\"notranslate\" data-iceapc=\"1\" data-iceapw=\"8\"> <strong data-iceapw=\"2\">Pres heat:<\/strong> &#8211; more than 1 downloading it<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"9\"> Pressure above 10 kg \/ cm2 (above 100 psi)<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"25\"> &#8211; The temperature of 82-176 <sup data-iceapw=\"1\">\u00b0<\/sup> C (for UF 100 <sup data-iceapw=\"1\">o<\/sup> -130 <sup data-iceapw=\"1\">o<\/sup> Cdan PF 130-170) hot compression is done by inserting one by one sheet of plywood candidate into the space between the hot plates of the press or opening.<\/span> <span class=\"notranslate\" data-iceapw=\"11\"> Each of the tools can heat up to 50 press opening.<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"13\"> The amount of a given compression pressure is calculated by the following formula:<\/span><\/p>\n<p><a href=\"http:\/\/www.tneutron.net\/seni\/wp-content\/uploads\/sites\/7\/2015\/09\/image44.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"http:\/\/www.tneutron.net\/seni\/wp-content\/uploads\/sites\/7\/2015\/09\/image_thumb44.png\" alt=\"image\" width=\"80\" height=\"56\" border=\"0\" \/><\/a><\/p>\n<p data-iceapc=\"4\" data-iceapw=\"31\"><span class=\"notranslate\" data-iceapw=\"5\"> In psi or kpc, where:<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"6\"> G = total compression (psi, kpc)<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"6\"> P = specific pressure (psi, kpc)<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"14\"> J = The total area of the piston press (\u00b62, in in2 or cm2)<\/span><\/p>\n<p data-iceapc=\"2\" data-iceapw=\"11\"><span class=\"notranslate\" data-iceapc=\"1\" data-iceapw=\"11\"> <strong data-iceapw=\"11\">PSI = pounds per square inch kpc = kg per cm2<\/strong><\/span><\/p>\n<p data-iceapc=\"7\" data-iceapw=\"96\"><span class=\"notranslate\" data-iceapw=\"9\"> The amount of total granted pres influenced by factors:<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"6\"> o density finir \/ wood origin<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"7\"> o The thickness of the plywood produced<\/span><br \/>\n<span class=\"notranslate\" data-iceapw=\"25\"> Wood with higher density and thickness of the thicker coating should use pres pressure and higher total compression time is longer on the finir sheet.<\/span> <span class=\"notranslate\" data-iceapw=\"25\"> To finir the outside, for example for the F \/ B is not cut out but dried first in a new dryer continues then cut.<\/span> <span class=\"notranslate\" data-iceapc=\"1\" data-iceapw=\"24\"> Finir cores obtained is then dried in a drying mill roll (roll dryer) (110 -175 <sup data-iceapw=\"1\">\u00b0<\/sup> C, 10-25 minutes) until the moisture content 5-10%.<\/span><\/p>\n<p data-iceapc=\"5\" data-iceapw=\"87\"><span class=\"notranslate\" data-iceapw=\"14\"> Finir drying can be done before finirnya cut, especially for finir F \/ B.<\/span> <span class=\"notranslate\" data-iceapw=\"15\"> Furthermore, the pieces are sorted finir quality with attention to the scraps, holes and others.<\/span> <span class=\"notranslate\" data-iceapw=\"18\"> If there should be filling (closing) or tapping and connection-splicing or jointing, so finir be whole and well.<\/span> <span class=\"notranslate\" data-iceapw=\"25\"> Tapping is done by patching using similar finir, being jointing can be done with two finir glue, connecting with gumtape or by sewing (with nylon).<\/span> <span class=\"notranslate\" data-iceapw=\"15\"> Just kind finir core and or back which should be no connection.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gluing process usually often give results that are inadequate or failure is generally caused by finir conditions (moisture content and<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1812],"tags":[825,821,823,824,822,826],"class_list":["post-651","post","type-post","status-publish","format-standard","hentry","category-english","tag-compression-bit-plywood","tag-compression-plywood","tag-compressive-strength-of-plywood","tag-plywood-compression","tag-plywood-compression-perpendicular-to-grain","tag-plywood-compressive-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gluing Process and Compression Plywood - TN Seni<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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