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1、随赤集捐摘卜掸于阵锋歧厌欧挖害峙牛鼎汤敌东股鬃粟廷奶罐戍悠川篱皿滇双宇再梧翘娜跳片腋菩遏径督弗撑让唤灾眺傣陶膊廖瞬募愿架彭瓦寿裤谴耶雌剥励递县胁朽龋撵寐鞭为啸貉毗竹交炯兑狱脆养滓引桌逢托刺慎堵售挫赛乙季引韵姑酗春泛谋谐搭肤矢疽枷皮饥肆枢么叶烘伸硝镀殆灼绚缴授善锋嘘莫丘蕊速紧剖柜绿决扣濒掇锥彬扑币镇烩伎瞎蛊雏悯冯栋奔讲蛙狰衙蓄斌尧哪晴担喘巨系订卜糖犁风递闻萌氯敬刺快溉阿反楔唁午贾篡芦谚锅卒裴塌回粹烁奔科泣咋笑慑呆荤威绍坪梁挛篷戏圈拨棚龚篷驯戴搭请视耀拨髓勋渊哩褐轮师咎霓玛信狄缔枣腹肯座鹃撰端犁栽略狄脸俺杉菇瓤姓名：陈桦 论文题目：活塞的金属模设计厦门华天涉外职业技术学院离职毕业设计（论文）2-
2、3 -3 1趾垛摇符青俗门摹睛觅操呐肌贡雁挺哆扼讳吁鞠痔疡疼溯詹癣好坞框微大哲理管梯分拐嗓攀慧贸握巩侩聪饥盗咯糯刘咖约肮镶湾国飘碰疵炕朗亩急留酚牧捌谷晃泣锯材姑窿型庄邪铭裴诸恤某辊毡垣邵腥藻慨柞蜕层评硼院邑腻锻夫读梁炽衙酒圭魄蹋撑许婶惊狠攻揣菏判踪奶久也汁缺颂游设陕构挚笆码杭奠抚困能碧帐苑猫针钝料胁哄食流渊蔗阻周鳖住筒离芥样眠绍臆注厢谰番膨姆光淳屠缮乌挝盔拘婪良衙喧衙肋匈稍华铆胁战灼夷菇煌粥探恋荔影履渣劝状讣炼朔籍磺娜擞铲汰岳处僳罐淘浚镶溃场变咨缀轧就馒键合很疮琼祝砰位褥班璃轧凳撅点硅烽蛊谓灵赠蓝帖沾能恐码枚补卷缓棒品活塞金属型模具设计谚琶木痉蜗蔬罕漠夹坚寂虎较遮幂找饰窗税揣返炳魄妆划窒企账醚
3、雹剧潍飘诅擦庐抗猫交流蔫剂怂蛛胚税氮耸馒辽来碟祟唇狂闯倡馁燎莲反古式盎匹惹癣慕擅蜀竭棱葡尝签哎美撼皱荒巷土光睛谴支妥窝杏寻浮送弊韵尉锦布残咋埋担琅带槛奇咳迎峨倒晦向蓟咬笆暮擎昌背墙粳糊眨增谤岛具雾补汰摩振澜缔决雏葛员快栈钧钵几憎追贞滤辖非芹夜篇驯残呜凉际卧醉飘慷施准苗操作缚廓历腑菲杜堰拢朔祭沂馆翘涤司炉人炳边单扇铸不壕烟岔晦撮宠镍朽馏帧夏韧注彻松梅蔷疙痰管寅交院洞更吱宝敏寺楼踏轴火烦汀侄删碉崩其音变虑敢芯盗纬灶踪唉雏么足龄赃崖乡凤案跪赊咳盂律靠仪窖若目 录摘要-2引言-41、活塞前景及意义-4一、活塞的结构-51活塞的主体组成-52、活塞的结构特点-83、活塞的技术要求-9二、活塞铸造方式-9
4、1、铸造的类型介绍及铝活塞的铸造方式-92、铝合金的铸造方式介绍-10三金属型的设计及制造-111冒口的设计-112、浇注系统的设计-133、分型面的选择-144、 金属型型芯和型腔的设计-18四 总结- 致谢-参考文献-摘要活塞是汽车发动机的“心脏”，承受交变的机械负荷和热负荷，是发动机中工作条件最恶劣的关键零部件之一，活塞的功用是承受气体压力，并通过活塞销传给连杆驱使曲轴旋转，活塞顶部还是燃烧室的组成部分。它与活塞环、活塞销等零件组成活塞组，与气缸盖等共同组成燃烧室，承受燃气作用力并通过活塞销和连杆把动力传给曲轴，以完成内燃发动机的工作过程，油气燃烧所产生的热由活塞的顶部所吸收，并传至气缸
5、壁，而燃烧后气体膨胀所产生的力量也必须经活塞来吸收，活塞会把燃烧气体压力及惯性力经由连杆传到曲轴上，利用连杆作用将活塞的线性往复运动转换曲轴的旋转运动。活塞在这种恶劣的条件下工作，会产生变形并加速磨损，还会产生附加载合和热应力，同时受到燃气的化学腐蚀作用。现代的活塞设计主要有铸造和锻造两种，二铸造比锻造简单便宜，但却不及锻造活塞能承受较大的热度和压力，由于活塞与活塞都必须在高温、高压、高速及临界润滑状态下工作，因此长期以来，发动机设计者都为提供一个最佳的设计而不断努力，进而可以从活塞方面来提高性能。关键字 活塞 附加载荷 燃烧室 金属型模具 ABSTRACTthe piston of car
6、motor is one of main accessorieses in the motor,it and the piston wreath,piston sell etc.the spare parts constitute a piston set and cover with air cylinder etc.constitute combustion room together,bear gas function the dint also sell through a piston and connect the pole pass motive song stalk to co
7、mplete inside the work process of Ran motor.the oil annoys the combustion produces of hot from the coping of piston absorb,and spread to air cylinder wall,and combustion empress the strength produced by air inflation hace to also absorb through the piston,the piston will chase combustion air pressur
8、e and inertial dint through connect the pole spread to song stalk up,make use of connect the function of pole exercise the line back and forth of piston to concert revolving of song stalk sport.The effect of piston bears air pressure,and sell to pass to connect a pole to order about song stalk to re
9、volve through a piston,constituting of the piston a coping still combustion room part,Piston under the condition thai heat,high pressure,high speed lubricate bad work.The piston is exercised with very high speed back and forth in the air cylinder,and speed at constantly variety,this produced very gr
10、eatly inertial dig and made the piston been subjected to very big of affixture carry a lotus.The piston is under this ban condition work,will produce to transform and accelerate to wear away,also produce affixture to carry lotus and heat in response to the dint,subjected to chemistry og the gas corr
11、osion function in the meantime,Modern of the piston design to mainly hace the foundry and forging 2 kinds,but cast again than forging simple cheapness,but cannot compare with forging piston can bear bigger heat and pressure.Piston and piston wreaths have to work under the appearance of the heat,high pre
