激光打标系统及工艺参数的分析

33Vol.3,No.320056OPTICS&OPTOELECTRONICTECHNOLOGYJune,20052004-11-192005-01-111979-E-mail:[e-mail]1672-3392(2005)03-0032-04430074Nd:YAGTN24A1[1]snmark21ScanOutputLasercavityAcoustoopticQ-switchDiaphragmAutocollimatorDiaphragmHolophoteComputerDisplayLaserpowercortrolAcoustoopticpowercortrolDistillationcoolingcortrolLaserandScanComputerPowerCortrol1Fig.1Structureoflasermarkingsystem1QNd:YAGQ1~50kHz100WQ1~46W3332343Nd:YAGQ88VC++6.0……_outp(0x3ef,0x83);//_outp(0x3ec,0x0);//free((void*)m_pszProfileName);m_pszProfileName=_tcsdup(_T(“c:\\snio.ini”));m_Turn=pApp-GetProfileInt((“SNIO”,“function1”,10);m_Delay=pApp-GetProfileInt((“SNIO”,“function2”,10);//if(GetAsyncKeyState(0x1b)!=0)gotoEND;for(;;){if(CWnd::OnLButtonDown(MK_LBUTTON,Point))gotoEND;result=inp(0x3ed);//if(result0x80GetAsyncKeyState(0x1b)!=0)//gotoEND;//if(result==0xfe){sleep(10);_outp(0x3ec,0x1);//exit(1);}}……snmark*.BMP*.PLT*.PLTsnmarkBMPPLTWindowsTrueType24*.MrksnmarkCorelDRAWAutoCADCorelDRAWAutoCAD[2,3]343CorelDRAWAutoCADAutoCADCorelDRAWCorelDRAWCorelDRAWsnmarkTrueTypeCorelDRAW4Nd:YAGQ2XY2QFig.2SchemeoflaserpulseQmodulated3QQ(a)ScanvelocitytoohighorQ-switchfrequencytoolow(b)ScanvelocitytooloworQ-switchfrequencytoohigh3QFig.3EffectofscanningspeedandQmodulatedfrequencyonlasermarkingF-θW0=W01f/FW0W01FfQ1~50kHzQ4PeakvaluepowerAveragepowerP/kWQfrequency/kHzPulsepowerE/mJPulsewidthb/nsAveragepowerPeakvaluepowerPulsewidthPulsepower4QFig.4RelationshipbetweenQfrequencyandpower4Q1kHzQ15kHzQ-switchsignalLaserpulseScanpoint335[4]Q1~15kHzQQQQQQ3QQQ5snmark[1],,,.[J].,2001,9(5):21~23[2],,,.[J].,2002,26(4):295~297[3].[M].:,1995.54~57[4],,,.Nd:YAG[J].,1999,29(2):92~95LaserMarkingSystemandAnalysisofItsTechnicalParametersWANGJian-pingLIZheng-jiaFANXiao-hong(NationalEngineeringResearchCenterofLaserProcessing,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)AbstractThestructureoflasermarkingsystemisintroducedinthispaper.TakingthemirrorlasermarkingofNd:YAGasanexample,thecontrolprincipleandpatulousfunctionofcomputercontrolsystemareanalyzed,andthemarkingmethodofgraphprocessingbasedonthelatticescanningmethodandthevectorscanningmethodaredescribed.Bytheintroductionoflasermarkingmechanismandtechnicalprocess,thatthemarkingeffectisinfluencedbytheselectionoftechnicalparametersisanalyzedemphaticallyinthepaper.Keywordslasermarkingcontrolsystemlatticescanningvectorscanningtechnicalparameters