硬脆材料異形面超聲微精加工工藝研究.pdf

1、揚(yáng)州大學(xué)碩士學(xué)位論文硬脆材料異形面超聲微精加工工藝研究姓名：張磊申請學(xué)位級別：碩士專業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：朱永偉20100501張磊硬脆材料異形面超盧微精加上工藝研究AbstractUltrasonicmachining(USM)isconsideredtobealleffectivetechniqueinprocessingofhardandbrittlematerials，particularlynon—conductiv

2、ehardandbrittlematerials，Thisarticleoutlinesthedevelopmentoftheultrasonicmachiningtechnologyandmicroultrasonicmachininghistoryandresearchstatus，andexplainsthetechnicaladvantagesandlimitationsThisarticlediscussesthemechan

3、ismofultrasonicmachining，analysisofultrasoniccavitationanditsremovalrateofultrasonicprocessingofmaterials，machiningaccuracyandsurfaceroughnessofthelaw；intheresolutiontemovethematerialsinultrasonicmachiningspeedMillerandS

4、hawbasedonthemathematicalmodel，allewmaterialremovalrateofultrasonicprocessingofthemathematicalmodel，discussesthematerialremovalrateofultrasonicmachiningfactors，whiletheargumentfromthemechanismoftheprocessparametersonultr

5、asonicmachiningspeed，surfaceroughnessandprocessingqualityofthelawDesignedandproducedaladdershapedandtwospecialexponentialho馳ultrasonicmachiningofdifferentmaterialstomeettheultrasonicvibrationamplitudeontherequest；describ

6、esthreebasicultrasoundmachineworkingprincipleofthemicrodisplacementcompositiontable，creepfeedandthestabilityoftheprincipleoffeedpressure；givenmicroultrasonicmachiningefficiencyaccuracyandsurfaceaccuracyofthemeasurementme

7、thod；buildandimprovethemicroultrasonicmachiningsystemMicrotoolheadsizesmall，highprecisionmakingitdifficulttodesignandproductmicro—ultrasonicmachiningisthekeytechnologyThisdesignmicroshaft，microhole，microbarslot，stepholes

8、，microarrayaxis(round，square，diamond)andSOtheshapeofthetoolheadend，usingmicro—EDMwirecutting，EDM”anti—copytranslation”thesuccessfulcombinationofelectricaldischargemachiningtoproduceavarietyoftoolheadshapedtomeetthetestre

9、quirementsofsurfacemicroultrasonicmachiningUltrasonicmachiningofmicroholesfordifferentfeedpressuretest，theworkpieceandthetoolcontactpressurebetweenthemicrohasthelowestvalue，thenthemaximumprocessingspeed；differentabrasive

10、characteristicsofultrasonicmachiningsteppedshafttestandanalysisshowthattheimpactofabrasiveparticlesizeandhardnessprocessingefficiencyandaccuracybutdifferentparticlesizecorrespondstoareasonableneedtofeedpressureandultraso

11、undamplitude，toachievegoodprecisionorhighefficiency；tinyholeswithdifferentmaterials，finebarnarrowchannelandmicroarraymicro—pitsultrasonicmachiningtestsandtestsindicatethatmaterialsprocessingprecision，surfacequalityandpro