家具板变形弯曲的原因分析

2019-03-15 14:04:41 发布者: 360板材网点击量: 327

　　现在有的地区由于天气原因，很多家具板制作的板式家具出现了弯曲变形的情况，众所周知，使用家具板制作板式家具的主要零部件有旁板，搁板、搁板的弯曲变形，搁板的受力情况。
　　板式家具的家具板重要承受到以下几种应力：

　　1、压应力是承载物件的压力及搁板自重形成的应力；

2、弯曲压力是承载弯距形成的应力，能使搁板弯曲和；

3、剪切应力由承载搁板支撑或连接件接口处压力与支；

4、涂料

　　5、受潮：木材的含水率高也是导致木门变形的另一个主要原因，随着使用过程中含水率的降低，木材的内应力才会慢慢显露，最终导致变形、开裂。
　　6、设计结构：木门设计结构是否合理(含内部);实际生产中是否按工艺要求制做;胶合剂是否充分固化;运输、摆放是否达到要求;使用场所的环境状况等也是造成木门变形的重要原因。
　　7、材质问题：家具板很多采用实木材质，实木原木属于天然的，变型程度指定比合成材料严重。而且，木门的面积较大，并且固定点少，所以是最容易产生变形和开裂。

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