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1、I普通普通 v v 带参数化设计系统带参数化设计系统摘摘 要要在随着科学技术的发展，机械制造业的应用十分广泛。特别是在农业机械、工程机械、 军事应用当中占据着重要位置。在进入工业时代以来，机械制造始终是创造社会财富的主要来源，是衡量国家综合国力的重要指标。而对于制造业，例如一些大型的机械设备，一般都是要依靠机械传动提供所需要的动力，而在机械传动中 V 带传动式最传统也是现在最为广泛的机械传动。因此，掌握V 带传动的设计是十分重要和必要的。本篇文章应用机械设计方法，通过 vb 软件强大的功能，使得普通 v 带的参数化系统得到实现，与传统的设计方法相比，极大地提高工作效率，减少了大量的工作时间。总
2、的来看，本次设计包含了数学模型的建立和程序的编制。当设计的系统完成时，我们可以得到一个可视化的操作界面，此界面可以输入一些用户给定的原始条件，然后程序自动进行设计校核计算，并得到相应的结果。此外，vb 上手比较容易，且能建立友好的界面，其功能比较实用，便于理解面向对象编程，这也是此次设计选取 vb 的原因。关键词：V 带传动； 机械设计； 数学模型IIAbstractIn with the development of science and technology, mechanical manufacturing used widely. Especially in agricultural
3、 machinery, construction machinery, application of military occupy an important position. In the industrial age since, machinery manufacturing is always create the main source of social wealth, it is to measure countries an important index of the comprehensive national strength. And for manufacturin
4、g, such as some large-scale mechanical equipment, are generally will depend on the mechanical transmission provide needed power, and in the mechanical transmission in the V belt type the most traditional and it is also the most widely the mechanical transmission. Therefore, master V belt transmissio
5、n design is very important and necessary. This article used the mechanical design method, through the vb software powerful functions, making common v belt parameterization system implemented, and the traditional design method than, greatly improve work efficiency, reduce a lot of time. In general, t
6、he design includes establishing mathematics model and programming. When the design of the system is completed, we can get a visual interface, the interface can input some known conditions and the program automatically calculation, and obtained the corresponding results. In addition, vb to more easil
7、y, and can establish friendly interface, its function is more practical, easy to understand object-oriented programming, this also is the design of the reason for selecting vb.Keywords: v belt transmission; Mechanical design; Mathematical modelIII目录目录第第 1 章章 绪绪 论论 .11.1 生产需求状况.11.2 选题意义和背景技术.11.3 本论文的主要内容.31.4 带传动简介.3第第 2 章章 V 带传动设计计算方法带传动设计计算方法 .52.1 建立设计模型.52.2 设计思路.52.2 设计流程及流程图.52.2.1 设计流程.52.2.2 设计的框图.62.3 具体的设计及计算过程.82.3.1 确定计算功率.82.3.2 带型号的选取.82.3.3 带速的计算.92.3.4 初定中心距的范围.102.3.5 带长的计算及基准长度的选取.102.3.6 中心距和包角的计算.102.3.7 包角的验算.112.3.8 带根数的确定.112.3.9 轴上载荷的确定.
