工程陶瓷珩磨加工珩磨头的设计.doc

目录 前言··························4 课题研究的目的及意义················5 国内外珩磨头的研究情况···············5 1）.国外研究情况·······················6 2）.国内研究情况·······················6 第一章、光整加工·······················6 1.1光整加工与珩磨加工的关系···················7 1.2什么是光整加工························7 1.3光整加工的原理························7 1.4光整加工的特点························8 第二章、一般珩磨····················9 2.1 珩磨加工原理························10 2.2珩磨的工艺特点及应用范围···················12 2.3珩磨的切削过程························14 2.4珩磨技术在汽车制造中的应用··················18 2.5珩磨头的结构形式·······················20 2.6珩磨机有哪几种，选用原则··················21 2.7 珩磨工件常见有哪些缺陷和消除措施··············22 第三章 珩磨头的结构设计················23 3.1珩磨油石的选择························23 3.2珩磨油石怎样与油石座固定···················23 3.3怎样修整珩磨用的油石·····················29 3.4. 涨锥的设计：·························30 3.5导向装置的设计·························31 第四章 珩磨用量的选择··················32 4.1.怎样选择珩磨速度与切削交叉角·················32 4.2.珩磨头油石扩张进给方式对珩磨过程有哪些影响··········35 4.3.怎样选择珩磨油石的工作压力···············37 4.4．珩磨时怎样选择定量进给的进给进度············37 4.5.珩磨时怎样调整工作行程·················38 4.6怎样选择工件孔的珩磨余量················38 4.7珩磨前对工件有哪些要求····················39 4.8珩磨不同形状孔时有哪些工作要点··············39 4.9珩磨头的工作行程的计算和调整···············40 4.10.珩磨前工序要求····················41 4.11．珩磨液的选择····················41 4.12.手动进给机构的设计·····················43 第五章 珩磨头结构薄弱零件的校核 ············45 5.1 零件 3 圆柱销扭转强度的校核 ·················45 5.2 零件 11 六角头沉头螺钉强度的校核 ··············46 结束语·························49 致谢··························51 参考文献·····························52 工程陶瓷珩磨加工珩磨头的设计 摘要 本设计是对加工工程陶瓷材料的珩磨头的结构设计,我首先通过查阅有关的视频，了解了珩磨加工的特点，再查阅相关资料认识了解珩磨机的工作原理，清楚其结构组成，然后重点观察现有珩磨头的结构，对我国的珩磨机掌握其运动参数的选择原则、油石个数的选择油石的形状和密度及分布原理、涨锥的设计技术要求以及进给机构的运动装置等；然后通过和老师不断的沟通与交流，确定了设计方向。最后分析了现有珩磨头结构的缺点，确定了对工程陶瓷加工所用珩磨头的总体方案。 在确认方案后通过对珩磨头结构的设计对各个具体零件进行相应的设计，然后对一些有强度要求和扭矩要求的零件进行校核，使设计出的结构确保磨削可靠运行，最后绘制整套的珩磨头结构的装配图和零件图。 在通过对珩磨头的结构设计，使书本知识和理论与实际生产相结合，加强了对机械设计，工程材料，理论力学，机械原理等相关专业知识的理解，让自己能运用书本知识设计出基本符合生产要求的零部件。而且在论文中我充分地运用了大学