用于电路板的冲击试验机设计

摘要冲击试验是用于确定军民用设备在经受外力冲撞作用时产品的安全性、可靠性和有效性的一种试验方法。冲击试验机即是用来进行试验的设备仪器。冲击试验机操作方便，可靠性高，因而冲击试验机被广泛应用于各种金属或非金属材料的抗冲击强度测定。本文论述了冲击试验机的定义、分类、组成、和工作原理。并根据给定参数和要求初步确定了冲击试验机总体设计方案，包括试验机座体、摆锤、防护装置、扬摆减速装置和箱体等部件。通过计算，校核确定各个零部件的尺寸规格和安全性；运用三维软件绘制冲击试验机的机构简图。最后运用模拟仿真软件对模型进行运动学仿真以实现冲击试验机的动力学要求。59612

毕业论文关键词：冲击试验机摆锤仿真动力学

毕业设计说明书（论文）外文摘要

Title The design of impact testing machine for circuit board

Abstract Impact test is applied for all kinds of devices for both civil and military use to examine their safety ,reliability and effectiveness. And the impact testing machine is designed for impact test. Impact testing machine is easy to operate and has high reliability, so it is widely used in impact resistance tests for metal and non-metal material. This article discusses the definition, classification, make-up and operating principles of impact testing machine. The overall design plan is put forward based on the given parameters and requirements, including base of the machine, pendulum hammer, protective devices, decelerator, devices to lift the pendulum and

tank. By calculation, the size and parameters of the parts are determined, safety and reliability of the mechanism are checked; a three-dimensional modeling of the testing machine is given using 3D graphic software. Finally, dynamic simulation is conducted to meet the dynamic requirements.

Keywords: Impact testing machine Pendulum Simulation Dynamics

1 引言 3

1.1 冲击试验机的分类和特点 3

1.1.1 落锤式冲击试验机 3

1.1.2 摆锤式冲击试验机 4

1.2 冲击试验机的优缺点和应用范围 4

1.3 冲击试验机国内外发展状况趋势 5

1.3.1 国内试验机的发展状况 5

1.3.2 国外试验机的发展状况 5

1.3.3 总体趋势 6

1.4 研究主要内容及思路 6

1.4.1 研究背景 6

1.4.2 研究内容 7

2 冲击试验机组成结构 8

2.1 摆锤冲击试验机工作原理 8

2.2 冲击试验机组成结构 9

3 主要零部件设计计算 10

3.1 摆锤结构尺寸的确定 10

3.1.1 摆锤尺寸 10

3.1.2 摆锤在初始时刻的位能E 13

3.1.3 冲击速度 14

3.2 减速器计算设计 16

3.2.1 电机选择用于电路板的冲击试验机设计:http://www.youerw.com/jixie/lunwen_64884.html