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1、ZH1105柴油机连杆攻丝专机总体及夹具设计摘要：组合机床是以通用部件为基础，配以按工件特定形状和加工工艺设计的专用部件和夹具，组成的半自动或自动专用机床。本课题所设计的组合机床是用于ZH1105柴油机机体单面攻螺纹,提高了生产效率,降低加工成本。设计的内容包括总体设计和夹具设计。该组合机床用于加工柴油机机体连杆大端的2×M12×1.25-5H深18,一次装夹同时加工。总体设计包括机床配置型式的确定、结构方案的选择以及“三图一卡”的绘制。该机床设计采用卧式单面攻螺纹的方案，加工和装配的工艺性好,零件装夹方便。在夹具设计过程中，采用一面
2、两销定位,选底面为定位基准面，用定位块与底面接触，后面用一圆形定位销定位，左侧面使用顶板，右侧使用气缸进行辅助定位。本组合机床有结构简单、操作方便、加工精度高、工人劳动强度低及有利于提高加工生产率等优点。关键词：组合机床；攻螺纹；夹具；定位本设计来自：完美毕业设计网http://www.bysj520.com登陆网站联系客服远程截图或者远程控观看完整全套论文图纸设计客服QQ：8191040ThewholeplaneconnectingrodtappingandfixturedesignintheZH1105enginebodyAbst
3、ract:Themodularmachinetoolisasemi-automaticoraautomaticmachinetool,whichcomposedofspecialpartsandjig.Themodularmachinetoolisdesignedbyspecialshapeandmachineprocessoftheworkpiecewhichneedtobemanufactured.ThismodularmachinetoolisdesignedtotapononesideoftheZH1105enginebody
4、,inordertoimprovethedispositionandtheproductionefficiency.Thefocalpointofthistopicisthesystemdesignandthejigdesign.Themodularmachinetoolisusedtotap2M12deep15pitch1.25holesofscrewatthesametime.Thesystemdesignincludedthedefiniteofthemodularmachinetool,theselectingofthestr
5、uctureplanandthecompletingofthetechnologicaldrawingofthepartwhichneedtobemanufactured,thegeneraldrawingofmodularmachinetool,drawingofcutterdisplayandtheefficiencycardofmanufacture.Themodularmachinetoolusesthehorizontal-typesinglelocationone-sideprocessingplan,theprocess
6、ingandassemblytechnologycapabilityisgood,anditclampsconveniently.Inthedesignprocessofjig,Thispaperuseatwo-pinposition,theelectionforthepositionbasedatum,thepositioningblockandthebottomcontact,followedbyaroundpinposition,theleftsideoftheuseofroofsurface,therighttotheuseo
7、fcylinder-assistedpositioning.Thismodularmachinetoolhasmanyadvantagessuchasthesimplestructure,theeaseoperation,thehighprocessingprecision,thelowworkerlaborintensity,thehighproductionefficiencyandsoon.Keywords:Modularmachinetool;Tapping;Jig;Location目录1引言11.1概述11.2课题设计的总体
8、思路12组合机床总体设计32.1总体方案论证32.1.1被加工零件的特点32.1.2工艺路线的确立32.1.3机床配置型式的选择42.1.4定位基准的选择52.1.5选用滑台传动型式52.2总体设计计算52.2.1丝锥的
