螺丝高度检测的调整步骤.ppt

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1、ScrewlengthcheckSensoradjustmentprocedureXuBin2008.09.22Page2©SeagateConfidentialAdjustmentforscrewlengthcheckUndernewcode(version070928),weneedtofollowbelowproceduretodotheadjustmentofscrewlengthcheckpoint.thenwillcomeoutbelowmenuafterpickupscrewandtorquedrivemovetoscrewlengthcheckpointSTEP1S

2、TEP2ASTEP2BSTEP3STEP4ASTEP4BInthismenu，thereare7buttonsonthat,thoseare:STEP1:SCREWLENGTHCHECKPOINTSTEP2A:ZSTEPUP0.2mm(ie.SLEEVEUP0.2mm)STEP2B:ZSTEPDOWN0.2mm(ie.SLEEVEDOWN0.2mm)STEP3:RECORD(SCREWLENGTHCHECKPOINT)STEP4A:SCREWLENGTHUPPERLIMITCHECKPOINTSTEP4B:SCREWLENGTHLOWLIMITCHECKPOINTSTEP5:RET

3、URNTOPRODUCTIONpresstheblankareaontherunningscreeninproductionmodeSTEP5Page3©SeagateConfidentialAdjustmentforscrewlengthcheckStationusetheamplifierLV-21Atocarryoutthescrewlengthcheckfunction.Thisamplifierworkingmodeis“DON”(darkonmode)andusechannelA&Ｂtodefinearangetodistinguishthescrewlength.Mo

4、deswitchisontheleftItswireconnectionisasbelow:TheKeyenceamplifier(LV-21A)iswiredintothescrewstationasfollows....(a)Whitewiretophoenixconnectorblockpin18(IAIinput046)(b)Blackwiretophoenixconnectorblockpin15(IAIinput045)(c)Brownwiretophoenixconnectorblockpin7(24Volts)(d)Bluewiretophoenixconnecto

5、rblockpin19(0Volts)Page4©SeagateConfidentialAdjustmentforscrewlengthcheckBeforeyouadjustscrewlengthcheckpoint,youneedtoverifywhetherthelasersensorisaiminginthemiddleofscrew.Ifthelasersensorreadingistheminimalvaluewhenonlyscrewblockthelaser,Youcanthinkthelaserisaiminginthemiddleofscrew.400Agene

6、ralmethodtojudgethelaseraimingposition:Currentlyyoucanfollowbelowmethodtoverifysensorlocation....Page5©SeagateConfidentialScrewlengthcheckfunctionworkingprocedureSensorreflectorsleevecorrectscrewlaserSensoramplifierlongscrewshortscrewChannelAsignalChannelBsignalFailpassfailPage6©SeagateConfide

7、ntialAdjustmentforscrewlengthcheckPleasegothroughthebelowdescriptionforthese7buttons.STEP1STEP2ASTEP2BSTEP3STEP4ASTEP4B1.Button“STEP1”:是指你必须要第一个按的按钮，如果你不按，其它按钮会无效。2.Button“STEP2A”和“STEP2B”:是用来点动调整Z轴高度的按钮，通过按这两个按钮直至sensor读数接近为最大值的一半。3.Bu