船体复杂外板成型评价方法

发布时间：2018-01-02 20:37

本文关键词：船体复杂外板成型评价方法　出处：《大连理工大学学报》2016年06期 　论文类型：期刊论文

【摘要】：船体复杂外板的成型评价是曲面外板成型加工的必要环节,能为外板的二次加工提供依据.结合水火弯板加工工艺,提出了一种成型评价方法.该方法先通过三维空间变换,实现目标曲面与检测曲面的匹配.然后,利用多项式拟合与参数分解方法,实现检测曲面偏差量的分解.最后,给出了成型率的计算方法,实现对检测曲面成型度的评价.实验结果表明,本方法能对复杂外板加工过程中的横向、纵向以及扭向成型情况进行客观的评价,而且本方法的评价指标与加工工艺紧密结合,可作为曲面外板加工参数的推理依据.
[Abstract]:The forming evaluation of the complex outer plate of hull is a necessary link in the forming process of the curved outer plate, which can provide the basis for the secondary processing of the outer plate. In this paper, a method of forming evaluation is put forward, which realizes the matching between the target surface and the detecting surface by three dimensional space transformation, and then uses polynomial fitting and parameter decomposition method. Finally, the method of calculating the forming rate and evaluating the formability of the measuring surface is given. The experimental results show that this method can be used in the processing of complex outer plate. The longitudinal and torsional forming conditions are evaluated objectively, and the evaluation index of this method is closely combined with the processing technology, which can be used as the reasoning basis of the machining parameters of the curved surface outer plate.
【作者单位】：广东工业大学自动化学院;
【基金】：广东省新兴产业发展专项资助项目(2012A09100013) 广东省应用型科技研发专项资助项目(2015B090922013)
【分类号】：U671.3
【正文快照】： 0引言船体复杂外板成型加工一般利用水火弯板加工工艺,该工艺具有成型机理复杂、工艺性强等特点.其中,成型评价作为水火弯板工艺流程中的一个环节,除了判断加工钢板总体形状是否合格外,还需与工艺结合判断加工钢板的横向弯曲、纵向弯曲和扭曲程度,以便制定二次加工的参数.目前

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