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Industrial Development of High Power Semiconductor Laser
11-09

Industrial Development of High Power Semiconductor Laser

Highpowerandhighbeamqualitylasermaterialprocessingaretwobasicrequirements.Inordertoimprovetheoutputpowerofhighpowersemiconductorlasercanbeadozenordozensofsingle-tubelaserchippackagetoformalaserbarbar,stackedbarmultiplebusescanbestackedtoformtwo-dimensionallaserarray,laserarraystackkilowatt-levellightpowercanreachevenhigher.Butwiththeincreaseinthenumberofsemiconductorlaserbar,thebeamqualitywilldecline.Inaddition,thespecialnatureofsemiconductorlaserstructuredeterminesitsfastandslowaxisbeamqualityisinconsistent:fastaxisofthebeamqualityclosetothediffractionlimit,whiletheslow-axisbeamqualitythanthepoor,whichmakessemiconductorlasersinindustrialapplicationshasbeengreatlyrestrictions.Toachievehigh-quality,widerangeoflaserprocessing,lasermustalsomeetthehighpowerandhighbeamquality.Sonowallthedevelopedcountrieswillstudythedevelopmentofnewhighpower,highbeamqualityofhighpowersemiconductorlaserasanimportantresearchdirectiontomeettherequirementsofhigherlaserpowerdensityoflasermaterialsprocessingapplications.
How to identify counterfeit auto parts
11-09

How to identify counterfeit auto parts

1,seepackaging.GenuinePartspackagingisgenerallymorestandardized,uniformstandard,markingtheformalwritingclear,andrelativelypoorpackagingandprintingcounterfeitproducts.Seemuchmore,canoftenbeeasilyidentifiedfromthepackagingflaws.2,seecolor.Someoftheoriginalsurfaceofspecifiedpartsofacolor,incaseofothercolors,forthefakeparts.3,lookingappearance.GenuinePartsortheappearanceofprintingandmarkingaclearregularcastofcharacters,whilethecounterfeitproductslookrough.4,watchingpaint.Partswillbeusedbyunscrupulousbusinessmensimpleprocessing,suchasdemolition,loadingandfight,takecare,paintingandotherprocessing,andthenposingasqualifiedproductsforsale,illegalaccesstohighprofits.5,seetexture.Originalpartsofthematerialisaccordingtodesignrequirementsusinghighqualitymaterials,counterfeitproductsaremostlyusedinferiormaterials,cheapalternative.6,lookattechnology.Shoddyappearanceoftheproductisgood,butbecauseoftheproductionprocessispoor,pronetostronggrain,sandholes,slag,burrsorbumps.Gasketextrusionexample,theuseofproneMifengbuyanablation,resultinginoilspills,leaks,andleakagephenomena;pistonandpistonringburriseasyworkofscrapingthesurface.7,see"Save."AutoPartsIfdry,oxidation,discolorationoragingproblemsmaybepoorstorageenvironment,storagetimeislong,thematerialitselfcausespoor.8,see"bonding."Intheeventofrivetslooseclutch,brakehosegluedjointsealingoffelectricalcomponents,paperfilterandsotornattheseams,youcannotuse.9,toseeidentification.Somemarkedtheformalpartsofcertainsigns,suchasthetiminggear,pistonassemblyandothermarkersusedtoensureproperinstallationparts,notcannotbuy.10,toseegaps.Assemblyofpartsmustbecompleteformalintact,toensurethesmoothloadingandnormaloperation.Someassemblypartswithindividualsmallpartsmissingequipment,thegeneralis"parallelimports",whichwillcausedifficultyloading.Oftenashortageofindividualsmallparts,causingthewholeassemblyofpartsscrapped.11,seeprotectivelayer.Inordertofacilitatestorage,topreventpartsbump,partshaveaprotectivelayerpriortoshipment.Suchaslackofcover,thesizeofbearing,piston,valves,etc.aregenerallyprotectedwithparaffintopreventthesurfacedamage.Theseimportantparts,ifnoprotectivesurfacelayer,mostlyfor"parallel."12,seedocuments.Someoftheimportantparts,especiallyassemblyclasses,suchascarburetor,distributor,generator,etc.,usuallywiththefactorymanual,certificate,toguideuserstoinstall,useandmaintain,ifnotthefakeandshoddyproducts.13,seespecifications.Buyautoparts,weshouldidentifythemaintechnicalparameters,specialtechniquestomeettherequirements.Somecounterfeitproductsisalmostthesameappearanceandtherealthing,butputsomethingoutthatisnotappropriate,eitherbiggerorsmallerpoint,usingthemisalwaysnotsatisfied,andtotrafficsafetyandsecurity.
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Meike

The company fully implemented lean production, passed the certification of ISO/TS16949: 2002 system on July 5, 2003 and the approval of FAW-Volkswagen on August 2005


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