Development of Intelligent Control and Testing of Particleboard Quality
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摘要: 在国家“十四五”战略和“双碳”目标的共同引领下，刨花板产业蓬勃发展。将智能技术融入刨花板产业装备，实现刨花板生产检测智能一体化，提升刨花板智能装备水平，是促进刨花板工业增产和提质的有效手段。文中分析刨花板的质量缺陷和成因以及对应的生产工段，综合阐述在生产上易影响产品质量的施胶工段和热压工段的智能控制方法以及对刨花板密度和外观的先进检测技术，总结现阶段存在的不足，并从刨花板生产控制、产品检测、设备在线监测及智能生产线等方面对刨花板工业未来发展进行展望，为刨花板产业的绿色化、智能化、高质量发展提供参考。Abstract: Under the guidance of both the national strategies for “Fourteenth Five-Year Plan” and “carbon peaking and carbon neutrality” goal, the particleboard industry has flourished. It is an efficient approach to increase production and quality particleboard industry in which intelligent technology has been integrated into the equipment with the aim at realizing the intelligent integration of particleboard production and testing and improve intelligent equipment for particleboard production. In this paper, the defects of particleboard as well as the reasons for the defects and the corresponding section of production are analyzed. The intelligent control methods used in the gluing section and the hot-pressing section of production, which can easily affect product quality, as well as the advanced technology of particleboard density and appearance, are comprehensively expounded. The shortcomings found on the present stage are deeply summarized. The future development trends of particleboard industry are described in terms of the production control, product testing, online monitoring of equipment and intelligent production lines, which would provide references for the green, intelligent and high-quality development of particleboard industry.
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Key words:
- particleboard /
- defect /
- intelligent control /
- product detection
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表 1 刨花板产品外观质量检验等级评定标准及缺陷产生的原因
缺陷名称 优等品 合格品 产生原因 工段 分层鼓包 不允许 不允许 胶黏剂质量不合格，热压的时间、压力、温度设置不合理都有可能导致板材鼓包 施胶和热压 边部松软、残损 宽度≤1 cm、
深度≤5 mm，允许宽度≤3 cm、
深度≤2 cm，允许铺装板坯过干，结构强度低，铺装质量不易控制，表面细料极易被压机闭合气流吹掉；胶黏剂活性期短，刨花板毛坯在进入热压机之前提前固化，热压后边部出现松软，残损 铺装热压 板面粗糙、压痕、
有金属不允许 不允许 热压时钢带下夹杂异物或钢带本身不平整 铺装热压 板面波纹 触摸无手感，允许 触摸轻微有手感，允许 铺装时刨花分布不均使刨花板表面产生波浪状或鱼鳞状图案 铺装热压 密度不均 密度偏差<3% 密度偏差<4% 垂直于铺装方向上刨花板各点密度差超过工艺要求 铺装热压 漏砂 不允许 轻微漏沙，允许 因砂光量太大而使刨花板芯层大刨花裸漏 砂光 单个面积大于
40 mm2大刨花、
胶斑、油污斑等不允许 不允许 表面细料量不足，铺装后漏出芯层大刨花；铺装机内飞花捕捉网掉落或局部损坏撕裂；漏胶，铺装板坯上下结构不对称，出现板面大刨花，并造成板子翘曲 施胶和热压等 
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