手机后盖进行模具设计

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1、摘要本毕业设计说明书主要讲述对手机后盖进行模具设计的过程。通过对塑件的工艺分析，设计出塑料模具。本论文首先简单介绍了模具设计与分类，然后对产品材料性能作了介绍，并初步选择注射机。本说明书还详细叙述了模具结构方案，包括确定分型面、成型零部件的结构设计、斜顶内抽芯机构、脱模机构、合模导向机构、冷却系统等等的设计过程。还有重要零件的工艺参数的选择与计算。校核注射模与注射机的关系等。本设计主要是通过使用Pro/ENGINEER与AutoCAD完成装配图、零件图。此次毕业设计综合了大学四年来所学的专业知识，从而进一步巩固了模具设计方面的相关

2、知识，并积累了相关的设计意念与经验。Thegraduationprojectonthebrochuresofthemainmobilephonebackforthediedesignprocess.Theplasticpartsoftheprocess,thedesignofatwo-modepointoftheplasticmold.Firstofall,thispaperabriefintroductionofthemolddesignandclassification,andthentheproductwasintroduc

3、edbythematerialproperties,andtheinitialchoiceofinjectionmachine.Thisstatementhasalsodescribedindetailthestructureoftheprogramdie,includingtheidentificationofsub-surface,formingthestructuraldesignofpartsandcomponents,core-pullingmechanismwithinXieding,Strippingagencies

4、Die-orientedinstitutions,andsoonthecoolingsystemdesignprocess.Thereisstillanimportantpartoftheprocessparametersofchoiceandcalculation.Checkwiththeinjectionmoldinjectionmachines,suchastherelationship.ThisdesignisthroughtheuseofPro/ENGINEERandAutoCADcompletionoftheassem

5、bly,partsmap.Theintegrateddesignofauniversitygraduateinthreeyearstheschool'sexpertisetofurtherconsolidatethemolddesign-relatedknowledge,andtheaccumulationofrelateddesignideasandexperience.49目录第一章、塑件结构工艺分析与设计-------------------------------------------31.1材料的选用---------

6、--------------------------------------------------------------31.2脱模斜度---------------------------------------------------------------------------41.3加强肋---------------------------------------------------------------------------51.4塑件尺寸、公差与精度---------------------------

7、-------------------------------51.5壁厚---------------------------------------------------------------------------51.6圆角---------------------------------------------------------------------------5第二章、注射成型机的选择-----------------------------------------------62.1注射机的选用-----

8、---------------------------------------------------------------------62.2锁模力校核----------------------------------------------