基于TX1600G复合式镗铣加工中心的复杂箱体数控加工关键技术的研究
发布时间：2018-11-23 12:09
【摘要】：“高档数控机床与基础制造设备”是我国装备制造行业的典范,同时也是《国家中长期科学和技术发展规划纲要(2006-2020)》的16个重大专项之一;随着国家经济的快速发展及制造业技术水平的不断提高,精密复合式镗铣加工中心作为机械制造生产中的大型基础设备,在航天、航空、机车、船舶、电力、军工等领域的产品制造中有着重要地位。数控加工技术发展程度代表一个国家现代制造业的基础技术水平,其发展水平和规模代表着一个国家的工业实力和制造技术水平高低。随着美国工业互联网和德国工业4.0的概念的提出,数控加工技术在智能制造领域有着举足轻重的地位。复杂箱体类零件是动力总成部件的基础零件,它是集机械部件中的轴套、齿轮等零件于一体,使整个机构按照既定的运动关系协调传递动力及运动,箱体零件的质量会直接反应到整个机器或部件的精度、性能和寿命上。对于复合式镗铣加工中心这种复杂、高速、精密的现代数控机床及高柔性、超高速、超精密、高智能化的机床而言,其主要产品即箱体类零件数控加工关键技术的研究,关系到设备的工作性能,保证零件各项精度一致性好,同时节省费用,缩短生产周期。本文将基于上述内容,基于TX1600G精密复合式镗铣加工中心,对其对于复杂箱体数控加工若干关键技术及理论展开论述:(1)通过对镗铣加工中心及数控后置处理的背景及意义展开综合论述、对数控加工箱体设备和后置处理国内外发展现状的深入研究。经过相关操作生成满足加工要求的数控加工程序至关重要,结合数控系统和镗铣加工中心的机床结构特性文件与数控系统特性文件开发与刀具轨迹对应的后置处理至关重要。(2)基于独立自主开发的TX1600G精密复合式镗铣加工中心的结构特点与技术参数,结合数字找正系统的平台。对复杂箱体类零件原点找正、孔和孔系及侧面进行加工,采用了几何分析与优化算法,探索了侧面与原点加工的找正方法。根据箱体类零件原点与侧面加工坐标系,对零件特征点进行选取、测量。结合内点惩罚算法分别提出了针对侧面与原点加工找正的算法。结合孔与孔系特点确定箱体类零件孔与孔系加工的最优化加工路径。(3)以复杂箱体类零件为加工对象,对其进行结构分析工艺路线拟定与规划并基于UG/CAM进行建模通过自动编程生成数控程序。分析镗铣加工中心的机床数据文件和所配控制系统数据文件各项信息,主要利用UG/Post-Builder开发TX1600G镗铣加工中心开发专用后置处理系统,建立了 CAM系统与数控加工仿真、上机加工的信息桥梁。(4)基于Vericut与UGNX构建了 TX1600G精密复合式镗铣加工中心机床运动与刀具轨迹仿真模型,进行控制系统配置,进行复杂箱体的数控加工与仿真上机。
[Abstract]:"High-grade numerical control machine tools and basic manufacturing equipment" is the model of China's equipment manufacturing industry, and is also one of the 16 major projects in the outline of the National medium and long term Science and Technology Development Program (2006-2020). With the rapid development of national economy and the continuous improvement of manufacturing technology, the precision compound boring and milling machining center, as a large basic equipment in mechanical manufacturing, is used in aerospace, aviation, locomotives, ships, electric power, Military industry and other fields of product manufacturing has an important position. The development level of NC machining technology represents the basic technological level of a country's modern manufacturing industry, and its development level and scale represent the industrial strength and manufacturing technology level of a country. With the development of the concept of American Industrial Internet and German Industry 4.0, NC machining technology plays an important role in the field of intelligent manufacturing. The complicated box part is the basic part of the power assembly. It integrates the shaft sleeve, gear and other parts in the mechanical parts, so that the whole mechanism can transfer the power and motion in accordance with the established motion relationship. The quality of box parts is directly related to the accuracy, performance and life of the whole machine or component. For the complex, high-speed and precise modern NC machine tool and the machine tool with high flexibility, super high speed, super precision and high intelligence, the main product of the complex boring and milling machining center is the key technology of NC machining of box parts. It relates to the working performance of the equipment, ensures the accuracy consistency of the parts, saves the cost and shortens the production cycle. This paper will be based on the above content, based on TX1600G precision compound boring and milling machining center, Some key technologies and theories of NC machining for complex box are discussed in this paper. (1) the background and significance of boring and milling machining center and NC post processing are discussed synthetically. The development status of NC machining box equipment and post-processing at home and abroad is deeply studied. It is important to generate NC machining programs that meet the requirements of machining through related operations. It is very important to combine the structure characteristic file of NC system with the characteristic file of NC system and the post processing of tool path. (2) the TX1600G precision compound boring and milling based on independent development is very important. The structural characteristics and technical parameters of the machining center, Combined with digital alignment system platform. The geometric analysis and optimization algorithm are used to process the orifice, hole and hole system and side of complex box parts, and the method of alignment of side and origin is explored. According to the box parts origin and side machining coordinate system, the feature points of the parts are selected and measured. Combined with the interior point penalty algorithm, an algorithm for correction of side and origin processing is proposed. According to the characteristics of hole and hole system, the optimum machining path of box parts is determined. (3) taking complex box parts as machining object, The process route of structure analysis is drawn up and the model is built based on UG/CAM. The NC program is generated by automatic programming. This paper analyzes the data file of machine tool and the data file of the control system in the boring and milling machining center. It mainly uses UG/Post-Builder to develop the special post processing system of TX1600G boring and milling machining center, and establishes the CAM system and NC machining simulation. (4) based on Vericut and UGNX, the simulation model of machine tool movement and tool path of TX1600G precision compound boring and milling machining center is constructed, and the control system is configured, and the NC machining and simulation of complex box are carried out.
【学位授予单位】：沈阳理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG659
本文编号：2351562
[Abstract]:"High-grade numerical control machine tools and basic manufacturing equipment" is the model of China's equipment manufacturing industry, and is also one of the 16 major projects in the outline of the National medium and long term Science and Technology Development Program (2006-2020). With the rapid development of national economy and the continuous improvement of manufacturing technology, the precision compound boring and milling machining center, as a large basic equipment in mechanical manufacturing, is used in aerospace, aviation, locomotives, ships, electric power, Military industry and other fields of product manufacturing has an important position. The development level of NC machining technology represents the basic technological level of a country's modern manufacturing industry, and its development level and scale represent the industrial strength and manufacturing technology level of a country. With the development of the concept of American Industrial Internet and German Industry 4.0, NC machining technology plays an important role in the field of intelligent manufacturing. The complicated box part is the basic part of the power assembly. It integrates the shaft sleeve, gear and other parts in the mechanical parts, so that the whole mechanism can transfer the power and motion in accordance with the established motion relationship. The quality of box parts is directly related to the accuracy, performance and life of the whole machine or component. For the complex, high-speed and precise modern NC machine tool and the machine tool with high flexibility, super high speed, super precision and high intelligence, the main product of the complex boring and milling machining center is the key technology of NC machining of box parts. It relates to the working performance of the equipment, ensures the accuracy consistency of the parts, saves the cost and shortens the production cycle. This paper will be based on the above content, based on TX1600G precision compound boring and milling machining center, Some key technologies and theories of NC machining for complex box are discussed in this paper. (1) the background and significance of boring and milling machining center and NC post processing are discussed synthetically. The development status of NC machining box equipment and post-processing at home and abroad is deeply studied. It is important to generate NC machining programs that meet the requirements of machining through related operations. It is very important to combine the structure characteristic file of NC system with the characteristic file of NC system and the post processing of tool path. (2) the TX1600G precision compound boring and milling based on independent development is very important. The structural characteristics and technical parameters of the machining center, Combined with digital alignment system platform. The geometric analysis and optimization algorithm are used to process the orifice, hole and hole system and side of complex box parts, and the method of alignment of side and origin is explored. According to the box parts origin and side machining coordinate system, the feature points of the parts are selected and measured. Combined with the interior point penalty algorithm, an algorithm for correction of side and origin processing is proposed. According to the characteristics of hole and hole system, the optimum machining path of box parts is determined. (3) taking complex box parts as machining object, The process route of structure analysis is drawn up and the model is built based on UG/CAM. The NC program is generated by automatic programming. This paper analyzes the data file of machine tool and the data file of the control system in the boring and milling machining center. It mainly uses UG/Post-Builder to develop the special post processing system of TX1600G boring and milling machining center, and establishes the CAM system and NC machining simulation. (4) based on Vericut and UGNX, the simulation model of machine tool movement and tool path of TX1600G precision compound boring and milling machining center is constructed, and the control system is configured, and the NC machining and simulation of complex box are carried out.
【学位授予单位】：沈阳理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG659
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