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膠合板的密度，你都造嗎？

2016-06-28 10:35:22

來(lái)源：齊裝網(wǎng)

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　　膠合板，是家居裝修中，比較常見(jiàn)的板材之一。那么，我們?cè)谔暨x膠合板的時(shí)候，應(yīng)該要考慮哪些因素呢？而它的密度又是多少呢？下面就跟著小編來(lái)看一下，你就知道了。

膠合板密度

膠合板效果圖

　　膠合板的簡(jiǎn)介：
　　膠合板是一種人造板，它是由木段旋切成單板或由木方跑切成薄木，再用膠粘膠合而成的三層或多層材料的板狀材料，通常用多層單板，使相鄰的單板的纖維方向互相垂直膠合而成。
　　膠合板的基本原則：
　　為了改善膠合板更加的特性均勻、形狀穩(wěn)定，在結(jié)構(gòu)上要遵守兩個(gè)基本原則，一是要膠合板對(duì)稱(chēng)，要求膠合板對(duì)稱(chēng)中心平面兩側(cè)的單板，無(wú)論是木材材質(zhì)，單板厚度，含水率等，都應(yīng)互相對(duì)稱(chēng)；二是相鄰層單板纖維互相垂直。
　　膠合板的密度：

　　一般來(lái)說(shuō)，膠合板密度越大，質(zhì)量就越好。若膠合時(shí)的單位壓力越大，那它的密度也越大。由于木材在高溫下易產(chǎn)生塑性變形，所以熱壓膠合比冷壓膠合的壓縮率要大。

膠合板密度

膠合板效果圖

　　膠合板的特點(diǎn)：
　　膠合板的板材是用平輥軋出，所以改變產(chǎn)品規(guī)格比較簡(jiǎn)單容易，調(diào)整操作方便，比較容易實(shí)現(xiàn)全面計(jì)算機(jī)控制和進(jìn)行自動(dòng)化生產(chǎn)，板材的寬厚比和表面積很大，所以生產(chǎn)中軋制壓力很大，軋機(jī)設(shè)備復(fù)雜龐大，對(duì)產(chǎn)品寬、厚尺寸精度和板型以及表面質(zhì)量的控制很困難。
　　板材外形扁平，寬厚比大，單位體積的面積很大，包容覆蓋能力強(qiáng)，可任意剪裁、彎曲、沖壓、使用靈活方便，可彎曲、焊接成各類(lèi)復(fù)雜斷面的型鋼、鋼管等，被稱(chēng)為鋼材。
　　好了，以上就是膠合板密度的相關(guān)介紹了，大家對(duì)這些內(nèi)容是否都了解清楚了呢？若你還想了解更多膠合板的密度，請(qǐng)繼續(xù)關(guān)注齊裝網(wǎng)。

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SELECT a.px_abc,a.cid as cid,a.cname,a.uid,a.type,a.bm,a.px,a.px_abc,a.parent_city,a.parent_city1,a.parent_city2,a.parent_city3,a.parent_city4,a.other_city,b.qz_areaid,b.qz_area,b.orders,c.qz_province,c.qz_bigpart,c.qz_bigpart_name,a.lng,a.lat FROM qz_quyu a inner join qz_area as b on a.cid = b.fatherid and b.type = 1 inner join qz_province as c on c.qz_provinceid = a.uid WHERE a.bm = 'www' AND b.type = 1 ORDER BY a.bm,qz_area DESC [ RunTime:0.0011s ]
UPDATE qz_www_article SET `realview`=realview+1 WHERE `id` = 23474 [ RunTime:0.0077s ]
SHOW COLUMNS FROM `qz_thematic_content_related` [ RunTime:0.0014s ]
SELECT b.id,b.`name` FROM qz_thematic_content_related a join qz_thematic_words b on a.thematic_id = b.id and b.is_show = 1 WHERE a.content_id = '23474' AND a.module = 1 AND b.type = 1 AND b.is_delete = 1 LIMIT 5 [ RunTime:0.0010s ]
SHOW COLUMNS FROM `qz_thematic_content_related` [ RunTime:0.0013s ]
SELECT a.content_id FROM qz_thematic_content_related a WHERE a.thematic_id = '55675' AND a.module = 3 ORDER BY a.content_id desc LIMIT 5 [ RunTime:0.0011s ]
SELECT `id`,`title`,`anwsers` FROM qz_ask WHERE `id` IN ('124570','124339','124314','124181','124170') ORDER BY create_time desc [ RunTime:0.0010s ]
SELECT * FROM qz_www_article_class WHERE `shortname` = 'xuancai' AND `obsolete` = 0 LIMIT 1 [ RunTime:0.0010s ]
SELECT * FROM qz_www_article_class WHERE `id` = 88 AND `obsolete` = 0 LIMIT 1 [ RunTime:0.0009s ]
SELECT * FROM qz_www_article_class WHERE `id` = 87 AND `obsolete` = 0 LIMIT 1 [ RunTime:0.0009s ]
SELECT a.*,c.id as cid,c.classname,c.shortname FROM qz_www_article a INNER JOIN qz_www_article_class_rel as b on b.article_id = a.id INNER JOIN qz_www_article_class as c on c.id = b.class_id WHERE a.id = '23474' AND b.class_id = '92' AND a.state = 2 LIMIT 1 [ RunTime:0.0010s ]
SHOW COLUMNS FROM `qz_keyword_relate` [ RunTime:0.0013s ]
SELECT b.name,b.href FROM qz_keyword_relate a INNER JOIN qz_www_article_keywords b on a.keyword_id = b.id WHERE `article_id` = '23474' AND `module` = 'wwwarticle' [ RunTime:0.0009s ]
SHOW COLUMNS FROM `qz_www_article_class` [ RunTime:0.0014s ]
SELECT c.id FROM qz_www_article_class c WHERE c.is_new = 1 AND c.shortname = 'xuancai' [ RunTime:0.0010s ]
SELECT a.id,a.title,c.shortname,c.classname,a.face,a.subtitle,a.likes,a.imgs,a.face,a.pv FROM qz_www_article a force index(idx_state) INNER JOIN qz_www_article_class_rel rel on rel.article_id = a.id INNER JOIN qz_www_article_class c on c.id = rel.class_id WHERE a.state = 2 AND c.id IN ('92') ORDER BY a.id desc LIMIT 0,7 [ RunTime:0.0420s ]
UPDATE qz_www_article SET `pv`=pv+1 WHERE `id` = 23474 [ RunTime:0.0072s ]
SELECT `id`,`name`,`type` FROM qz_thematic_words WHERE `is_delete` = 1 AND `is_show` = 1 AND `type` = 2 ORDER BY id desc LIMIT 30 [ RunTime:0.0205s ]
SELECT `id`,`name`,`type` FROM qz_thematic_words WHERE `is_delete` = 1 AND `is_show` = 1 AND `type` = 2 AND `is_hot` = 1 ORDER BY id desc LIMIT 30 [ RunTime:0.0166s ]
SHOW COLUMNS FROM `qz_thematic_content_related` [ RunTime:0.0014s ]
SELECT b.id,b.`name` FROM qz_thematic_content_related a join qz_thematic_words b on a.thematic_id = b.id and b.is_show = 1 WHERE a.content_id = '23474' AND a.module = 1 AND b.type = 1 AND b.is_delete = 1 LIMIT 5 [ RunTime:0.0009s ]
SELECT a.*,q.bm,q.cname,area.qz_area,(1.5 * a.liangfang + 10 * a.wanzhengdu + 0.5 * a.loginnum + 0.5 * a.answernum) hot,(1 * a.liangfang + 5 * a.qiandan + 0.1 * a.haoping + 10 * a.wanzhengdu) AS `rank` FROM ( SELECT * FROM ( SELECT t.*,`day`,`comid`,`liangfang`,`qiandan`,`haoping`,`wanzhengdu`,`ping`,`casesnum`,`loginnum`,`answernum`,`designnum` FROM ( SELECT a.id,a.qc,a.jc,a.register_time,a.logo,a.activte_score,a.case_count,a.cs,a.qx,a.on,b.fake FROM qz_user a INNER JOIN qz_user_company b on a.id = b.userid and b.fake = 0 WHERE a.classid IN (3,6) AND b.`is_show` = 1 AND a.on = 2 AND b.fake = 0 ) t INNER JOIN qz_user_company_rank c on c.comid = t.id WHERE c.`day` = '2025-01-14' ORDER BY c.day desc ) r GROUP BY comid ) a INNER JOIN qz_quyu as q on a.cs = q.cid left join qz_area area on area.qz_areaid = a.qx ORDER BY `rank` DESC,hot desc,a.register_time LIMIT 0,3 [ RunTime:0.0013s ]
SELECT a.*,q.bm,q.cname,area.qz_area,(1.5 * a.liangfang + 10 * a.wanzhengdu + 0.5 * a.loginnum + 0.5 * a.answernum) hot,(1 * a.liangfang + 5 * a.qiandan + 0.1 * a.haoping + 10 * a.wanzhengdu) AS `rank` FROM ( SELECT * FROM ( SELECT t.*,`day`,`comid`,`liangfang`,`qiandan`,`haoping`,`wanzhengdu`,`ping`,`casesnum`,`loginnum`,`answernum`,`designnum` FROM ( SELECT a.id,a.qc,a.jc,a.register_time,a.logo,a.activte_score,a.case_count,a.cs,a.qx,a.on,b.fake FROM qz_user a INNER JOIN qz_user_company b on a.id = b.userid and b.fake = 0 WHERE a.classid IN (3,6) AND b.`is_show` = 1 AND a.on <> 2 AND b.fake = 0 ) t INNER JOIN qz_user_company_rank c on c.comid = t.id WHERE c.`day` = '2025-01-14' ORDER BY c.day desc ) r GROUP BY comid ) a INNER JOIN qz_quyu as q on a.cs = q.cid left join qz_area area on area.qz_areaid = a.qx ORDER BY `rank` DESC,hot desc,a.register_time LIMIT 0,3 [ RunTime:0.0012s ]
SELECT a.*,q.bm,q.cname,area.qz_area FROM ( SELECT * FROM ( SELECT t.*,`day`,`comid`,`liangfang`,`qiandan`,`haoping`,`wanzhengdu`,`ping`,`casesnum`,`loginnum`,`answernum`,`designnum` FROM ( SELECT a.id,a.qc,a.jc,a.register_time,a.logo,a.activte_score,a.case_count,a.cs,a.qx,a.on,b.fake FROM qz_user a INNER JOIN qz_user_company b on a.id = b.userid and b.fake = 0 WHERE a.classid IN (3,6) AND b.`is_show` = 1 AND a.on = 2 AND b.fake = 0 ) t INNER JOIN qz_user_company_rank c on c.comid = t.id WHERE c.`day` = '2025-01-14' ORDER BY c.day desc ) r GROUP BY comid ) a INNER JOIN qz_quyu as q on a.cs = q.cid left join qz_area area on area.qz_areaid = a.qx ORDER BY a.casesnum DESC,a.register_time LIMIT 0,3 [ RunTime:0.0012s ]
SELECT a.*,q.bm,q.cname,area.qz_area FROM ( SELECT * FROM ( SELECT t.*,`day`,`comid`,`liangfang`,`qiandan`,`haoping`,`wanzhengdu`,`ping`,`casesnum`,`loginnum`,`answernum`,`designnum` FROM ( SELECT a.id,a.qc,a.jc,a.register_time,a.logo,a.activte_score,a.case_count,a.cs,a.qx,a.on,b.fake FROM qz_user a INNER JOIN qz_user_company b on a.id = b.userid and b.fake = 0 WHERE a.classid IN (3,6) AND b.`is_show` = 1 AND a.on <> 2 AND b.fake = 0 ) t INNER JOIN qz_user_company_rank c on c.comid = t.id WHERE c.`day` = '2025-01-14' ORDER BY c.day desc ) r GROUP BY comid ) a INNER JOIN qz_quyu as q on a.cs = q.cid left join qz_area area on area.qz_areaid = a.qx ORDER BY a.casesnum DESC,a.register_time LIMIT 0,3 [ RunTime:0.0011s ]

膠合板的密度，你都造嗎？

膠合板的密度，你都造嗎？