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1、摘要高效率、高精度加工是數(shù)控機(jī)床加工最主要特點之一。利用數(shù)控機(jī)床加工,其產(chǎn)品加工的質(zhì)量一致性好,加工精度和效率均比普通機(jī)床高出很多,尤其在輪廓不規(guī)則、復(fù)雜的曲線或曲面、多工藝復(fù)合化加工和高精度要求的產(chǎn)品加工時,其優(yōu)點是傳統(tǒng)機(jī)床所無法比擬的。本課題對異性體、復(fù)雜的曲線、多工藝復(fù)合化加工進(jìn)行探索,設(shè)計出三種切實可行的工藝流程及工藝裝備。在產(chǎn)品的加工過程中,工件在夾具內(nèi)的定位和夾緊顯得特別重要。須根據(jù)六點定位對產(chǎn)品進(jìn)行合理的定位,欠定位、完全定位還是過定位都須根據(jù)實際的生產(chǎn)過程決定。夾具是涵蓋了從加工到組裝的幾乎所有操作過程的一種裝夾設(shè)備。由于大量的加工操作需要裝夾,
2、夾具設(shè)計在制造系統(tǒng)中就變得非常重要,它直接影響加工質(zhì)量,生產(chǎn)率和制造成本。本文通過分析支承套的結(jié)構(gòu)特點和加工要求,制定了一套較合理的夾具設(shè)計,從而為保證該零件的加工精度將提供一種經(jīng)濟(jì)實用的工藝裝備,具有一定的實用價值。通過對各種定位夾緊裝置的分析比較,選擇并組合了一套既能夠滿足加工要求的,又比較簡潔的裝置,并對各工步進(jìn)行數(shù)控編程。關(guān)鍵詞:數(shù)控加工,工藝流程,工藝裝備,夾具設(shè)計ComponentsNumericalControlProcessingCraftAnalysisandCraftEquipmentDesignABSTRACTThehighefficien
3、cy,theprecisionworkareoneofnumericalcontrolenginebedprocessingmostmaincharacteristics.Usingthenumericalcontrolenginebedprocessing,itsproductprocessingqualityuniformityisgood,theprocessingprecisionandtheefficiencyoutdocomparedtotheordinaryenginebedverymuch,especiallywhenoutlinenotrule
4、,complexcurveorcurvedsurface,multi-craftrecombineprocessingandhighaccuracyrequestproductprocessing,itsmeritisthetraditionalenginebedisunabletocompare.Thistopictotheoppositesexbody,thecomplexcurve,themulti-craftrecombineprocessingcarriesontheexploration,designsthreepracticalandfeasibl
5、etechnicalprocessesandthecraftequipment.Intheproductprocessingprocess,theworkpieceappearsinjiglocalizationandtheclampspeciallyimportantly.Mustactaccordingtosixlocalizationstocarryonthereasonablelocalizationtotheproduct,owesthelocalization,locatescompletelycrossesthelocalizationalltoh
6、avetoactaccordingtotheactualproductionprocessdecision.Thejigcoveredfromhasprocessedclampstheequipmenttotheassemblynearlyalloperatingprocessonekindofattire.Becausethemassiveprocessingoperationneedstoinstallclamps,thejigdesignchangescanitbethattheconstantweightinthemanufacturesystemtow
7、ant,itaffectstheprocessingqualitydirectly,theproductivityandtheproductioncost.Thisarticlethroughtheanalysissupportcomponents,theaircompressorsniftingvalvelidaswellasthesupportingtheuniquefeatureandtheprocessingrequestwhichwraps,hasformulatedasetofreasonablejigdesign,thusforguaranteed
8、thiscomponen