烟灰缸配合零件数控加工工艺设计 毕业设计

1学校毕业设计设计题目姓名学号系部专业指导老师职称21绪论数控加工是机械制造中的先进加工技术，它的广泛使用是制造业实现自动化、柔性化、集成化生产的基础。近年来，数控加工和数控设备的应用呈突飞猛进的趋势。包括以组合机床为主大量生产方式出现的，机床都在向以数控设备为主的生产方式转变。社会上对掌握数控技术的人才需求越来越大，在我们学院数控设备的更新的速度也越来越快。有关数控加工工艺要在一些典型零件的加工中体现出来，本设计说明书是针对这些情况而编写说明书的。本设计说明书面是根据我们数控专业学生所需掌握的知识及技术要求编写的，它突出了数控加工的特点，零件在加工过程中的工艺性特点。巩固和G6205G4649自G5061所学的基本G10714G16782和专业知识，G13520合G17828用所学知识G3533G1871自G5061的G10714G16782G2010G7524和G16311G1927实G19481G19394G20076的G14033G2159G727G3533G1871G2203G1122G6518G13046的G2031新G12946G12082和实G17353G14033G2159G727G3533G1871G8503G11842的设计和G11752G12362G5617G5831、G10714G16782G13864G13007实G19481、G1017G13911G16760G11507的G12197学G5589度和G1017G16892求实的工G1328G1328G20130G727进一G8505G16769G13463和G6564G20652G16850G20076方G7708设计、G17176G7021G7609G19417、计G12651机使用、G7003G4395G15932G17810G12573方面的G14033G2159和技G5051。G17902过自G5061所学知识G994实G19481设计G11468G13479合，制G4462加工工艺、编制程G5219、自G5061动G6175G6203G15904工艺过程G5194加工出合G7696的零件。这G993G1177对G989年学G1076的G457数控编程G458、G457UGG458、G457CAXA制造工程G5084G458、G457数控加工工艺G458、G457机械制G3282G458G12573G3822G19388学G12197G10714G16782知识的巩固，G17836G4570G10714G16782知识G17828用在了实G19481加工G5415中，使G10714G16782G994实G17353有机的G13479合在一G17227。G6984G1022设计的G20046G2045G4448成，G3822G16886G13781G5084和G2528学的G5122G2173，在G8504G15932G12046对G1194们的G15947G5527G16886G5859。G11013G1122本人G8712G5191有G19492，实G19481G13475G20576G993G17287，设计中G19602G1825G4396在一些G19181G16835和G993G3961G1055G3800，G5703G16843G20058G4560、G13781G5084G6221G6925G6363G8503。32零件图形分析21零件图形分析G1186G3282上G2499以看出，烟灰缸配合零件是G11013一G1022G8503方形构成，上面有一G1022装烟灰的圆形凹槽、一G1022椭圆形的装打火机凹槽、一G1022放烟头的花型凹槽组成。另外我G17836在装烟灰的圆上设计了一G1022盖子，这样在G993使用的时候G17836G2499以保证其家里的清洁。A121A2A0A3A0A3A0A3A5A4A5A4A5A7A6A8A6A84A822A2A0A3A0A3A10A9A10A9A7A6A8A6A853工艺内容分析31加工精度分析该零件最G20652G12946度G12573级为IT7级。外轮廓、凹槽、上、下G15932面的粗糙度为R32，其它G15932面粗糙度均为R63。如果G4462位G993好G2499G14033会G4560致G15932面粗糙度，加工G12946度G19602以G17810到要求。材G7021G993得有裂纹和气孔，G5194锐边去毛刺，符合GB/T1804M国家标准。32毛坯、余量分析G11013G1122加工比较简单，因G8504毛坯、余量的选择也G993困G19602。列举以下几点1）毛坯有充G2010的稳G4462的加工余量该G3282的毛坯采用铝合金，G6984G1022成形烟灰缸零件的毛坯尺寸为102MMX102MMX25MM，上下G15932面一共留3MM余量，两侧面共留3MM余量。因G8504总毛坯尺寸为105MMX105MMX28MM。G994它G11468配合的盖子的毛坯尺寸为45MMX45MMX13MM。2）G2010G7524毛坯的装夹适应性主要考虑毛坯在加工时G4462位和夹紧的G2499靠性G994方便性，以便在一次装夹中加工出较G3822的G5191面，G11013G1122该设计采用一次性装夹G2499以G4448成全部加工内容，装夹上直接采用G5191口虎钳进G15904装夹即G2499。3）G2010G7524毛坯的变形及余量大小均匀性G2010G7524毛坯加工中G994加工后的变形程度，考虑是否就采取预防性措施和补救措施。是对零件加工变形的一G1022重要保证，如对G1122厚铝板，G13475淬火时效后很容易在加工G994加工后变形，这时最好采用G13475预拉G1292G3800G10714的淬火板坯。对毛坯的余量大小及均匀性，主要是考虑在加工时要G993要G2010G4630G2011G2078，G2010几G4630G2011G2078。自动编程时，G4600其重要。33设备的选择331机床的选择我院数控设备现有FANUCOIG13007G13491的加工中G5527有G3247G2500，G3247G2500均为数控G19127G2078加工中G5527KVC650，数控G19127床G3822G2500，根据零件的G13479构、形G10378配合G12946度以及加工的G19602易程度G12573G7477件来选择数控设备的型G2507，G11013G1122该零件G2494有轮廓、凹槽、圆G5371和孔G13007，形G10378比较简单，配合G12946度要求G993G20652。我们学G7669的设备均G2499进G15904加工，G1306考虑到该零件的G15932面粗糙度，加工G129466度要求G993G20652，为了G1955G4581装夹次数，G9052G19512因G2465G3809装夹而G5114来的G4462位G16835G5058和G6454G2004次数，对G2004次数较G3822的人为G16835G5058，G1889次因该零件材G7021为铝，G11840度G993G20652，主G2011G2078G2159G993是很大。G13520上所G17860，我选择数控加工中G5527KVC650进G15904零件加工，便G2499G17810到该零件的G2520G20045G12946度。332夹具的选择在G11842G4462装夹方G7708时，要根据G5062选G4462的加工G15932面和G4462位基准来G11842G4462工件的G4462位夹G6357方式，G5194选择合G10714的夹G1867，一G14336考虑以下几点1）夹紧机构G6122其G1194G1815件G993得G5445G2721进G13485，加工部位要G6962G5332，要求夹G6357工件后夹G1867G12573一些组件G993G14033G994G2004G1867G17828动G17724G17869G2469生G5190G9053。2）G5529G20047保证最小的夹G6357变形，工件加工时G2011G2078G2159大，需要的夹紧G2159也大，G1306G2460G993G14033G6238工件夹G2399变形。因G8504，G5529G20047G5922重选择夹G1867的G6915G6757点、G4462位点和加紧点。3）夹G1867G13479构应G2159求简单，对形G10378简单的单件小G6221量生产的零件G2499选用G17902用夹G1867。4）夹G1867应便G1122G994机床工G1328G2500及工件G4462位G15932面G19400的G4462位G1815件G17842接。G11013G1122该零件材G7021是铝件一G14336G993会产生夹紧变形，零件尺寸较小、G13479构和形G10378也比较简单，G993需要专用夹G1867，所以G2494需要G5191口虎钳和一些G17753G2173装夹的G3455G3371、G3455G10267。该零件G993G1177G12946度要求较G20652，G2499以看到轮廓的G2620边G7366G13459圆G5371和粗糙度G1552要求也较G20652，零件采用G5191口钳装夹。G5191口虎钳如G328231所G12046。A11A12A13A13A14A14333刀具的选择数控机床上用的G2004G1867应G9397G17287G4445装G16855G6984方便、G2030性好、G12946度G20652、G13796用度好G12573要求。1）在选择G19127G2004时，G20330先要G16760G11507考虑工件加工部位的几G1321尺寸，一G14336来说，为G1955G4581G172207G2004次数和G6564G20652生产效G10587及保证G19127G2004有G17287G3827的G2030性，应G4625量选择较大的G19127G2004。G1306选择G19127G2004直G5464时。G5132G5132G2475到G7588些因G13044的制G13434。G1375如加工G2318G3507的G5332G6962性、内G14120尺寸的大小、工件及工件的G2030性G12573，特G2047是G5415工件内轮廓圆G5371R较小，而凹槽G9157G6122G3733板G20652度H较大时，会G4570G2004G1867G19492制为G13466G19283形。其G2030性就很G5058，G2029加工G20047考虑G2011G2078用量的大小。G19127G2004直G5464DG994G2007G19283L的比G1552大小G14033G4470G16278G3332G2465G7156出G19127G2004G2030性特G5461，G2499D/LG30505G1328为G7828G20576G19127G2004G2030性的G7477件。2）为了G16311G1927G5415工件内转接G2334G5464R较小，而槽G9157G6122G3733板G20652度H较小时，G19127G2004G2030性G5058，加工G14522G19602度的G19394G20076，G17902G5132要求采取大小G993G2528的两G6238G2004进G15904粗、G12946加工G3800G10714。在使用中要防G8502因G11462G11458选用了过大直G5464的粗加工G19127G2004而产生在G12946加工后留下G7422G14033G19127去的G256G8527G16294G257，G6122因留G13485G12946加工的余量过大而造成G12946加工困G19602G12573G19394G20076。G2011G2078用G2004G1867材G7021应G1867备的性G14033有G7081）G20652速G19062比工G1867G19062G11840，用G1122G1314速G6122G993G17842G13505G2011G2078，G2004G1867G4563G2641较G19283G727G7082）G20652性G14033G20652速G19062G5390G19899、G6251边G13548G11964G6451性G5390，用G1122G2499粗G2011G6122G12946G2011G1231G1321材G7021，包括G19062、G993G19164G19062、G19762G19093和G19762金G4658材G7021，G2011G2078速度G2499比G20652速G19062G20652，G5390度和G19899性较粉末冶金好G727G7083）粉末冶金G20652速G19062良好的G6251热性和G6251碎G10267G11964G6451，用G1122G2011G2078G19062、G20652温合金、G993G19164G19062、铝、碳G19062及合金G19062和其G1194G993易加工的材G7021，G2011G2078速度G2499比G20652性G14033G20652速G19062G2065215G727G7084）G11840质合金G13796G11964G6451、G13796热，用G1122G2499锻铸G19093、碳G19062、合金G19062、G993G19164G19062、铝合金的G12946加工，G4563G2641比一G14336工G1867G19062G206521020倍G727G7085）陶瓷G20652G11840度、G13796热冲击性好，用G1122G20652速粗加工，铸G19093和G19062的G12946加工，也适合加有色金G4658和G19762金G4658材G7021G993适合加工铝、镁、钛及其合金，G17836G2499用G1122G20652速加工G727G7086）立方氮化硼超G5390G11840度、G13796G11964性好，用G1122G11840度大G1122450HBW材G7021的G20652速G2011G2078，G2004G1867G4563G2641G19283，G2499实现超G12946G15932面加工G727G7087）聚晶金G2030石超G5390G11840度、G13796G11964性好，用G1122粗G2011和G12946G2011铝G12573有色金G4658和G19762金G4658材G7021，G2004G1867G4563G2641G19283，G2499实现超G12946G15932面加工。G2004G1867卡G1593231如下8A15A12A13A13A14A14A16A17A18A19A17A18A20A21A22A23A24A25A26A27A22A28A29A30A31A26A27A32A25A33A34A34A25O0001A35A36A25A37A38A25A37A38A22A28A37A39A40A25A37A38A41A42/MMA37A38A43A44/MMA45A46A47/MMA48A491T01A50A51A37A52110MMBT40A521008002T02A53A51A37A5220MMBT40A52205003T03A53A51A37A528MMBT40A52105004T04A53A51A37A5216MMBT40A52165004T05A54A55A56A523MMBT40A5235005T06A56A57A528MMBT40A5286006T07A58A37A5210MMBT40A52106007T08A50A51A37A5250MBT40A5250M60034定位基准的选择G4462位基准有粗基准和G12946基准两种，用G7422加工过的毛坯G15932面G1328为G4462位基准称为粗基准，用G5062加工过的G15932面G1328为G4462位基准称为G12946基准。选择G4462位基准要遵循基准重合原G2029，即G2159求设计基准、工艺基准和编程基准G13491一，这样做G2499以G1955G4581基准G993重合产生的G16835G5058和数控编程中的计G12651量，G5194且G14033有效G3332G1955G4581装夹次数。因下G15932面G1328为G12946基准G2499以G9397G17287基准重合的原G2029。所以在加工中，先G4570零件的上G15932面G1328为粗基准，G19127出夹G6357面，G1889G4570夹G6357面G1328为G12946基准进G15904加工。如G328232所G12046G32823235加工工艺的安排351加工方案的制定零件所G19127G2078部G2010主要是轮廓凹槽加工。在G2520G8505加工过程中，要根据零件G3282形G10378特G54619考虑加工中所G4396在的G19394G20076，G1186而选择更好的G16311G1927方法，G11842保加工的G20046G2045G4448成、G5194G17810到零件的要求。该零件主要加工方G7708如下1）零件加工中G19127G2078出的G989G1022外形一G1022椭圆凹槽，一G1022有圆G5371组成的花型凹槽和一G1022圆形凹槽。对G1122椭圆的凹槽，G11013G1122没有拐G16294情况，G2499以采用的直G5464的G2004G1867以G8504加工G4448成G727而圆形的凹槽G2029G2499用一G6238G11468对直G5464大一点的加工出来，而花型凹槽G11013G1122有许G3822圆G5371组成G2029应根据圆G5371大小来G11842G4462。2）零件的加工中G3247G1022孔的G19127G2078在这G1022过程中，G5529G20047要考虑G2004G1867大小的选择，若要一次加工G4448成的话，G2029所选的直G5464G5529G20047小G1122键槽的宽度G1552，其加工很简单，G2494要选择合适的G2004G1867加工即G2499。352加工路线的选择加工路G13459的G11842G4462G20330先保证被加工零件的尺寸G12946度和G15932面质量，其次考虑数G1552计G12651简单，G17220G2004路G13459G4625量短、效G10587G20652G12573。进G2004方式和退G2004方式是直接G5445G2721G15932面加工G12946度的重要因G13044G1055一，这样G993得G993选取一种有G2045G1122加工G2460对G15932面加工G12946度G5445G2721G993大的方式，直G13459进G2004容易在工件G15932面上留下进G2004、退G2004的微G16278驻马痕G17869，而沿圆G5371段方向进G2004G6122退G2004就G993G2528，既G993会留下痕G17869而且G17836G993会G5445G2721G15932面加工质量。为了保证G15932面质量和G6564G20652生产效G10587，G2011G2078方式和G2011G2078方向的选择就G5529G20047G5922重。根据零件G3282样，制G4462以下工艺方G7708，选取最佳一种，G708即加工工时最短，G2460G14033保证质量）下面G2010G7524两套工艺方G7708进G15904比较方G77081G19127夹G6357面G19127上G5191面粗G19127外轮廓G12946G19127外轮廓凹槽粗加工凹槽G12946加工钻孔镗孔G727方G77082G19127夹G6357面G19127上G5191面粗G19127外轮廓凹槽粗加工G12946G19127外轮廓凹槽G12946加工钻孔镗孔G727G2010G7524在方G77081中G4570外轮廓粗G12946G19127放在一G1022工G5219中，G2499以G1955G4581G6454G2004的次数，G1186而G6564G20652了加工的效G10587，G1955G4581了加工所用的时G19400。因G8504采用方G77081。353走刀路线图10A11A12A13A12A59A60A61A62A16A63A64A11A60A61A64A11A113A65A66A67A68A69A70A71A72A73A74A67A68A69A70A72A7311A74A75A65A76A77A78A79A80A70A71A72A73A74A78A79A72A73A74A75A65A81A82A83A79A80A84A85A77A79A80A70A71A72A73A74A84A85A72A7312A74A75A65A86A87A88A70A71A72A73A74A87A88A72A7313A74A75A65A89A90A91A68A69A88A70A71A72A73A74A91A68A69A8814A74A75A65A92A93A82A83A94A95A88A70A94A95A70A71A72A73A74A7136切削用量的选择361主轴转速的确定主轴根据允许的G2011G2078速度VCM/MIN选择N1000VC/D其中N主轴转速VCG2011G2078速度M/MING11013G2004G1867G4563G2641来G11842G4462G2011G2078速度，G5132选为G708200400）M/MIND工件G6122G2004G1867的直G5464MM根据上G17860工式得粗加工主轴转速3000R/MIN，G12946加工4000R/MIN362进给速度的确定进G13485速度F是G2011G2078时单位时G19400内工件G994G19127G2004沿进G13485方向的G11468对位移，是根据工件的加工G12946度和G15932面粗造度的要求，以及G2004G1867和工件材G7021进G15904选择，最大进G13485速度G2475到机床G2030度和进G13485G13007G13491性G14033制G13434，G993G2528的机床和G13007G13491，最大进G13485速度G993G2528，G5415加工G12946度和G15932面粗造度质量要求G20652时，进G13485速度应选小一些，G17902G5132在G7082050）M/MIN范围内选取。在轮廓加工中，在接近拐G16294G3800应适G5415降G1314进G13485量，以克服G11013G1122惯性G6122工艺G13007G13491变形在轮廓拐G16294G3800造成G256超程G257G6122G256欠程G257现象。15G2011G2078进G13485速度G994G19127G2004的转速N、G19127G2004齿数Z及每齿进G13485量FZ的关G13007为FFZZN根据公式G2499以看出每齿进G13485量FZ的选取主要取G1927G1122工件材G7021的G2159学性G14033、G2004G1867材G7021、工件G15932面粗糙度G12573因G13044。G5415工件材G7021的G5390度和G11840度越G20652，FZ越小G727G2465G1055G2029越大。G11840质合金G19127G2004的每齿进G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