《包装容器结构设计与制造》 课程体系的研究与实践

结合《包装容器结构设计与制造》课程，从教学内容、师资队伍建设、教学方法和手段、教材、实践环节和管理机制6个方面，阐述课程体系的研究与实践，旨在逐步推进相关的课程建设，保证和提高培养人才的质量。     

AuSn焊料预热温度对高功率半导体激光器封装质量影响的研究

为提高高功率半导体激光器封装质量,对AuSn焊料预热温度进行研究。通过分析AuSn焊料共晶原理,建立四组不同预热温度的AuSn焊料封装试验。通过对比不同预热温度下封装器件的光电参数,光谱特性及SEM检测效果,对实验结果进行分析。实验结果表明AuSn焊料的预热温度对高功率半导体激光器封装质量有重要影响,并得出AuSn焊料预热温度在235℃时高功率半导体激光器的封装质量最为理想。     

离心铸造SiC颗粒增强铝基复合材料电子封装零件的成形研究

研究了离心铸造法制备SiC／Al复合材料电子封装零件的成形过程。在离心力场中,得到组织致密的铸件,实现零件的近终成型。显微组织结构观察表明,SiC颗粒均匀分布在基体合金中,细小的SiC颗粒充分填充到粗大颗粒的间隙中,分布均匀,无颗粒团聚现象,组织均匀致密,无夹渣、气泡等缺陷。     

89C51单片微机在自动定位系统中的应用

针对枕式包装机定位系统存在的问题，提出并研制了基于单片机机的控制系统，该系统使包装定位精确，实现袋长和袋速的予置和实时检测等功能，实际运行平稳可靠，效果良好。     

基于工程图样语义的基元关系识别研究

文中归纳和分析了传统三维重建方法的不足与困难,提出一种新的三维重建方法,该方法从解决表达方式的离散性入手,建立诸要素之间的关系,从解决投影关系模糊性入手,识别基元之间的关系,从解决尺雨约束隐含性入手,在工程语义指导下进行基元识别,并在基元识别和基元之间关系的基础上完成三维重建,在基元关系识别方面,从图形尺寸合成网络出发,提出游离图元搜索技术以识别直接表达的基元关系,在基元关系基础上,提出基于连通域     

一种模压代木包装材料的制备工艺及性能研究

利用速生杨树木材加工剩余物,制备了一种用于运输包装的代木材料,并研究其物理、机械性能。采用正交试验设计方法制备了不同代木包装材料试样,并利用极差分析方法分析了不同工艺参数对代木包装材料物理、机械性能的影响。试验结果表明,制备代木包装材料的较佳模压工艺参数如下:热压温度为120~125℃、热压时间为10 min、热压压力为10 MPa、胶黏剂的添加质量分数为10%,在此工艺条件下制备的代木包装材料,其静曲强度、内结合强度、吸水厚度膨胀率、密度分别为17.7 MPa,1.61 MPa,6.1%,0.73 g/cm3。所制备的代木包装材料满足国家标准(GB/T4897—1992)的A类刨花板一等品物理力学性能要求,是一种绿色环保的包装材料。     

包装工艺学课程的教学实践与探讨

介绍了《包装工艺学》在包装科学体系中的地位与意义,对2本常用的教材内容进行了剖析和内容处理,并结合浙江科技学院的授课特点进行了教学方法的实践与探讨。     

Framework for Sustainable Food Packaging Design

The environmental impacts of packages have been found to be relatively small compared with the food items they contain. Furthermore, from the environmental and operational point of view, the most significant task of the package is to protect the product, which is important to acknowledge in the packaging design process. This study introduces a guiding framework for designing sustainable food packaging. In this approach, the entire life cycle of the product–package combination is taken into consideration. The emphasis is on the prevention of food losses in packaging design as a major environmental criterion. Consideration of the properties of both the package and the product itself when designing the final package will lead to a better end result with smaller product losses and environmental impacts. By using different assessment methods in the different stages of the packaging design, the sustainability of the package can be enhanced. The decision making of the packaging designer is facilitated with methods that are introduced step by step and in a certain order that will also allow for corrective measures through back‐loops in the design process. The purpose is to integrate sustainability aspects at all stages firmly into the design process. Copyright © 2012 John Wiley & Sons, Ltd.     

How Small Is a Point Load? A Preliminary Study of the Deformation and Failure of Cartons Subjected to Non‐Uniform Loads

Consumer packaging made from carton board is subjected to a variety of loads as it moves through the value chain. Packaging designers need tools for predicting the strength of packages under these loading conditions. For evenly distributed loads, there are methods for measuring and estimating compression resistance that can provide useful guidance. For loads concentrated to a small area, little work has been published. The aim of this preliminary study is to aid the development of a future test method for point loads by investigating how the size of the load application site influences the mechanical behaviour of the package. Rigid spheres of a range of sizes were used to compress packages. Small spheres gave rise primary damage in the form of a vertical yield line and secondary damage in the form of a parabolic yield line. Larger spheres produced a series of parabolic yield lines of increasing size. No vertical yield line appeared for the larger spheres. The larger spheres showed a stiffness transition at a displacement that could be estimated by considering the geometry of the test. Copyright © 2017 John Wiley & Sons, Ltd.     

包装设计本土化的内涵与外延

通过对包装设计本土化问题的探究,剖析出本土文化元素在包装设计中的传承与发展脉络,概括了本土化包装的目的是在传统文化中吸取营养,将本土化和现代化相统一,并通过包装设计向世界传递本土文化和民族特色。