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木材蟲害知識介紹

  • 2013-06-06 11:17:03
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  • 編輯:中華板材網(wǎng)
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木材蟲害知識介紹:

因各種昆蟲害而造成的缺陷稱為木材蟲害。蟲眼(蟲孔):各種昆蟲所蛀的孔道,叫做蟲孔或稱蟲眼。

 表面蟲眼和蟲溝:指昆蟲蛀蝕圓材的徑向深度不足10毫米的蟲眼和蟲溝。

 小蟲眼:指蟲孔最小直徑不足3毫米的蟲眼。

 大蟲眼:指蟲孔最小直徑自3毫米以上的蟲眼。

  蟲害對材質(zhì)的影響;表面蟲害和蟲溝常可隨板皮一起鋸除,故對木材的利用基本上沒有什么影響;分散的小蟲眼影響也不大;但深度在10毫米以上的大蟲眼和深而密集的小蟲眼,能破壞木材的完整性,并降低其力學(xué)性質(zhì);而且蟲眼也是引起邊材變色和腐朽的重要通道。

 

 

 

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