湖南网络工程职业学院PAGE\*MERGEFORMAT45塑料瓶盖零件的塑胶模具设计所属系部：机电工程系专业：模具设计与制造班级：姓名：学号：指导老师：提交时间：目录TOC\o"1-8"\h\z\uHYPERLINK\l"_Toc421606623"前言PAGEREF_Toc421606623\h5HYPERLINK\l"_Toc421606624"一．模具工艺分析PAGEREF_Toc421606624\h6HYPERLINK\l"_Toc421606625"（1）模具成品尺寸分析PAGEREF_Toc421606625\h6HYPERLINK\l"_Toc421606626"（2）ABS塑料分析PAGEREF_Toc421606626\h6HYPERLINK\l"_Toc421606627"（3）塑件的尺寸精度分析PAGEREF_Toc421606627\h7HYPERLINK\l"_Toc421606628"（4）塑件的表面质量分析PAGEREF_Toc421606628\h7HYPERLINK\l"_Toc421606629"（5）塑件结构工艺性分析PAGEREF_Toc421606629\h7HYPERLINK\l"_Toc421606630"二、确定成型设备选择与相关工艺参数PAGEREF_Toc421606630\h8HYPERLINK\l"_Toc421606631"（1）计算塑件的体积PAGEREF_Toc421606631\h8HYPERLINK\l"_Toc421606632"（2）注塑机的初步选择PAGEREF_Toc421606632\h8HYPERLINK\l"_Toc421606633"（3）塑件模成型工艺参数的确定PAGEREF_Toc421606633\h9HYPERLINK\l"_Toc421606634"三、模具结构分析PAGEREF_Toc421606634\h10HYPERLINK\l"_Toc421606635"（1）模具分型面设计PAGEREF_Toc421606635\h10HYPERLINK\l"_Toc421606636"（2）型腔数目的确定及型腔的排列PAGEREF_Toc421606636\h11HYPERLINK\l"_Toc421606637"（3）流道系统设计PAGEREF_Toc421606637\h11HYPERLINK\l"_Toc421606638"（4）型芯、型腔结构的确定PAGEREF_Toc421606638\h12HYPERLINK\l"_Toc421606639"（5）冷却系统设计PAGEREF_Toc421606639\h12HYPERLINK\l"_Toc421606640"（6）推出方式的选择PAGEREF_Toc421606640\h14HYPERLINK\l"_Toc421606641"（7）排气孔设定PAGEREF_Toc421606641\h14HYPERLINK\l"_Toc421606642"（8）模具顶针设计PAGEREF_Toc421606642\h15HYPERLINK\l"_Toc421606643"（9）其他说明PAGEREF_Toc421606643\h16HYPERLINK\l"_Toc421606644"四、注塑模的尺寸计算PAGEREF_Toc421606644\h17HYPERLINK\l"_Toc421606645"五、模具避空说明PAGEREF_Toc421606645\h19HYPERLINK\l"_Toc421606646"六、模具封胶说明PAGEREF_Toc421606646\h20HYPERLINK\l"_Toc421606647"七、导向机构选择PAGEREF_Toc421606647\h21HYPERLINK\l"_Toc421606648"八、开模及其细节PAGEREF_Toc421606648\h22HYPERLINK\l"_Toc421606649"（1）锁模力PAGEREF_Toc421606649\h22HYPERLINK\l"_Toc421606650"（2）试模要求PAGEREF_Toc421606650\h2