南京信息职业技术学院模具设计与制造专业毕业设计论文.pdfVIP

南京信息职业技术学院 模具设计与制造专业 毕业设计论文 学生姓名： 学 号： 21061P26 学院（系、部）： 机电学院 专 业： 模具设计与制造 题 目： 模具维护要领浅析 指导教师： 评阅教师： 2013 年 4 月 24 日 毕业论文摘要 题目：模具维护要领浅析 摘要：随着模具行业在我国的飞速发展，注塑模具也在行业中占据了很大一 部分。为了适应产品生产的需要，注塑模具的种类也是越来越多，其中镶子 式模具将成为多种产品生产的趋势。对于这种镶子式的模具更换我们形成系 统的操作规范。其中包括了对模具的维护与保养，日常工作中主要部位是模 具的换针工作。而同时在模具实际生产中，在高强度的工作环境下，注塑模 具会出现一系列的磨损和损坏问题，我们也做出了总结对于模具的维护以及 模具的日常保养的系统的方法。 关键词 ：注塑模具 维护和保养 换针 维修 目录 1 引言························································3 1 2 注塑模具的维护和保养 ········································4 2.1 准备工作 ·················································4 2.2 动模维护 ·················································4 2.3 定模维护·················································7 2.4模具维护和保养注意事项与总结 ······························9 3 注塑模具的换针 ·············································11 3.1 看懂图纸 ···············································11 3.2 摆放零件 ················································11 3.3 检查 ····················································12 3.4 具体换针过程············································13 3.5 模具换针的总结 ··········································15 4 注塑模具的维修 ·············································16 结论···························································18 致谢 ···························································18 参考文献 ·······················································18 引言 注塑模具在工作时，由于注塑机的的锁模力过大，而且动作时间又短，所以 2 注塑模具要承受很大的突然的冲击力、剪贴力和摩擦力。因此，注塑模具在使用 一段时间后，其工作部分、导向部位以及静止的配合部位就会逐渐磨损以及裂纹 损坏。例如注塑模具的分型面磨损、间隙增大及不均匀，模具型腔模表面被拉伤， 以及导柱、导套由于过于磨损而滑动配合变坏，导向精度降低，都会导致整套冲 模失去应有的良好工作性能，是不到合格的制品零件。再加上，由于操作者的粗 心大意，对模具使用不当或者模具本身设计