第1页共28页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共28页目录§第一章、前言··············································2§第二章、集油器的工艺设计···································5§2.1、集油器的工艺分析······································5§2.2分析比较和确定工艺方案································6§2.2.1计算毛坯尺寸·····································6§2.2、2确定拉深次数···································7§2.3、确定工序以及工序的合并与顺序·······················7§2.4、主要工艺参数的计算···································8§2.4.1、确定排样、裁板方案···························8§2.4.2、计算各工序压力、选用压力机····················9§2.5、编写冲压过程卡第2页共28页第1页共28页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共28页片·····································11§2.6、模具设计··············································12§2.6.1、模具结构形式的选择····························12§2.6.2、模具工作部分尺寸和公差计算···················13§2.6.3、模具的其它零件的结构尺寸的计算···············14§2.7、模具中定位和导向零件的设计准则····················21§2.8、零件尺寸、精度和表面粗糙度要求·····················21§2.9、模架技术要求··········································22§2.10、对导柱、导套的要求及加工···························23§2.11、对上、下模座的要求及加工···························23§2.12、模具标准件的选用···································23§第三章参考文献············································24第3页共28页第2页共28页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共28页第一章前言我国冲压模具制造企业技术现状及发展趋势一、现状改革开放以来,随着国民经济的高速发展,市场对模具的需求量不断增长。近年来,模具工业一直以15%左右的增长速度快速发展,模具工业企业的所有制成分也发生了巨大变化,除了国有专业模具厂外,集体、合资、独资和私营也得到了快速发展。浙江宁波和黄岩地区的“模具之乡”;广东一些大集团公司和迅速崛起的乡镇企业,科龙、美的、康佳等集团纷纷建立了自己的模具制造中心;中外合资和外商独资的模具企业现已有几千家。随着与国际接轨的脚步不断加快,市场竞争的日益加剧,人们已经越来越认识到产品质量、成本和新产品的开发能力的重要性。而模具制造是整个链条中最基础的要素之一,模具制造技术现已成为衡量一个国家制造业水平高低的重要标志,并在很大程度上决定企业的生存空间。近年许多模具企业加大了用于技术进步的投资力度,将技术进步视为企业发展的重要动力。一些国内模具企业已普及了二维CAD,并陆续开始使用UG、Pro/Engineer、I-DEAS、Euclid-IS等国际通用软件,个别厂家还引进了Moldflow、C-Flow、DYNAFORM、Optris和MAGMASOFT等CAE软件,并成功应用于冲压模的设计中。以汽车覆盖件模具为代表的大型冲压模具的制造技术已取得很大进步,东风汽车公司模具厂、一汽模具中...