工程问题汇总Word下载.docx

工程问题汇总Word下载.docx

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forthoseholesthatareunder32mil,whichisoutofourcapability,pleaserelaxto+/-2mil!

（放松孔径公差）

5、Thetolerance+4/-0milforDIA.38milPTH、+2/-0milforDIA.125milNPTHisstrictwithus,pleaserelaxto+6/-0milforDIA.38milPTH,+4/-0milforDIA.125milNPTH.（放松孔径公差）

6、The2DIA.113milPTHhavecorrespondingDIA.110milpad,ifwefollowthemasterGerbertoprocess,theDIA.113PTHwillhaven’tannularring.（问孔比PAD大）Wesuggest:

A,wecandothe2PTHholeswithoutannularring.

B,wecandothetwoholesasNPTH.

C,wecanenlargethepadfromDIA.110miltoDIA.127mil.

Pleasechooseonetoanswer.

7、Unspecifiedthetoleranceoffinishedholessize.Wesuggestusingtolerance+/-0.003"

forplatedthroughholesand+/-0.002"

fornon-platedholes.Pleaseconfirm.（问客未说明时孔公差）

8、Thereisadiameter30milholeisoverlappedwithadiameter45milholeperunit.Wesuggestdeletingthediameter30milsmallerholeandchangingthequantity8to7.Pleaseconfirm.（问大小孔相迭）

9、Thespacingbetweensomeholesedgeandholesedgearetooclose,thatwillcausethedrillbitbrokenbydrillingprocess.Wesuggestchangingthesepeanutholestoslotsandusingtolerance+/-0.004”forwidth,+/-0.006”forlengthasshownonDWG01NOTE“C"

.Pleaseconfirm.（问相交孔相近孔改为槽）

10、SomeNPTHholeswillbedrilleddirectlyonthecopperground（seeDWG2Note‘D’）.Thatwillcreatethecopperexposedaroundtheholes.Ifthecopperexposedwillnotbeaccepted,wesuggestshavingcopperandkeepingthespacingwith8milbetweenthehole’sedgeandcopperground,pleaseconfirming.（问NPTH孔落在关位铜皮上）

11、Nodrillchart（suchasdrillmap,size,quantity,etc）wasgiven.WecreateitasshownonDWG01followingthegerberfile.Pleaseconfirm.（问创建分孔表）

12、Thediameter0.052"

holeswereshownondrillmap,butmissedinthedrillchart.Wecreateditintothedrillchartandsuggesttouse+0.004/-0.002"

tolerance.Pleaseconfirm.（问孔表与孔图不一致）

13、SomeholequantitiesonthedrillchartarenotmatchwiththeNCData.Weconsiderthedrilldrawingiscorrect,sowesuggestfollowingthedrilldrawingtoproceed.Pleaseconfirm.（问分孔表中与孔图中孔数不一致）

14、Thequantityofthediameter0.5mmholesis458onthedrillmap,butis456intheNCData.WesuggesttoaccordingtotheNCDatadoingitwith456.Pleaseconfirm.（问分孔表中与钻带中孔数不一致）

15、Thetoleranceofsomeholestotheoutlineedgedimensionis+/-0.08mm,whichisnoteasytobecontrolbyourcapability.Wesuggestrelaxingitto+/-0.1mmperourcapability.Pleaseconfirm.（问孔边到外围边的公差太严）

16、TheholessizeonthemechanicaldrawingarenotmatchwiththeNCData.Weconsiderthesizeonthemechanicaldrawingiscorrect,sowewillfollowittoproceed.Pleaseconfirm.（问孔图中与钻带中的孔径不一致）

17、Therearetwooverlappedholesofdiameter125milinthedrillfile.Wesuggestdeletingoneofthemandrevisingthequantityto13onthedrilldrawing.Pleaseconfirm.（问重孔）

18、Wesuggesttochangethediameter125milholestonon-plated,Sowecanusethemaspositioningholesforourroutingprocess.Pleaseconfirm.（问更改孔属性）

19、Thediameter0.500inchholeistoobigtodrilloutasourvendorcannotprovidesuchabigsizedrillbit.Wesuggestroutingouttheholesandusingtolerance+/-0.005inchforit.Pleaseconfirm.（问孔径太大改为锣）

20、Thetolerance+/-0.03mmforthelocationofholestotestcardsisnoteasytobecontrolbyourcapability.Wesuggestrelaxingitwith+/-0.08mmperourcapability.Pleaseconfirm.（问孔位公差太严）

21、Unspecifiedthepropertyofdiameter3.1mmand0.6mmholes.Wesuggesttodothemwithnon-platedthroughholesandusetolerance+/-0.05mmforthem.（Orsuggesttodothemwithplatedthroughholesandusetolerance+/-0.08mmforthem）.Pleaseconfirm.（问未说明孔属性）

22、ForQ15,thereplyis:

"

Theholespropertyfollowthegerberfiletodo."

butthereisnocuPADSforsomeholesonthebottomsidecircuitry,sowecan'

tcatchtheseholespropertyisPTHorNPTH.Wesuggesttodothediameter0.6mm,0.8mmholeswithplatedthroughholes.Pleaseconfirm.（客户回复孔属性不清时询问）

23、Wesuggesttoaddtwodiameter2.0mmholeswithnon-plated.Sowecanusethemaspositioningholesforourroutingprocess.Pleaseconfirm.（问加钻锣板定位孔）

24、Wesuggesttoaddtwodiameter2.0mmholeswithnon-plated（SeeDWG02Note"

E"

）.Sowecanusethemaspositioningholesforourroutingprocess.Ifthisnotapproved,wecanonlyusetheplatedthroughholesaspositioningholesforourroutingprocessandthatwillcausealittlescratchoftheholeswall.Pleaseconfirm.（问客不同意加钻锣板定位孔，用PTH孔定位伤孔铜）

25、TherearetwopeanutholesasshownonDWG04Note"

I"

.Forthiscase,wehavetwosuggestionsasbelow.Pleaseadvisewhichoneisbetterforourselecting.Suggestion1:

WewilldrillitoutastwoslotsandcontroltheslotlengthandwidthfollowingtheGerber.Suggestion2:

Wewilldrillitoutaspeanut,butweneedtodrillamoreholemiddlethepeanuttoremovethebur（Seepictureasbelow）,itisrequiredbyourprocess.（问相交孔）

26、ForQ14,thereplyrequires:

Don'

tuse0.6mmstampholes."

Wesuggestputtingav-cutontheselocationsasshownonDWG01NOTE"

D"

.Pleaseconfirm.（问邮票孔改为V-CUT）

27、TherearesomecirquecorrespondingwiththeDia5.0mmandtheDia4.3mmholes,thecirques’Diais6.4mm,thatisconflict.SopleaseconfirmwecanonlyfollowgerbertodrilltheDia5.0mmholesandtheDia4.3mmholes.（问孔径与外围图中对应的圆环大小不一致）

28、TheoutlinedrawingofP/N:

PAisthesameasP/N:

PBexcepttwotoolingholesatthebreakawaytabs.InPA,thediameteroftwotoolingholesis0.124"

butPBis0.156"

.

WesuggestchangingthesetwotoolingholesonP/N:

P-039348-0768Rev.01todiameter0.156"

.SothatwecanusePBPunchingdieforproduction.Pleaseconfirm.（问两型号外围相同，但工艺边定位孔不同时共冲模）

29、Thedistanceoftwo46milsholesistooclose,whichwillcauseholesbrokenafterdrillingprocess.WesuggestmovingthemasshownonDWG02Note"

C"

.Pleaseconfirm.（问相近孔，并移孔）

30、Nodimensionsfordatumholetooutlinearegiven.WemeasuredthemasshownonDWG03Note"

andsuggestedusing+/-0.13mmtoleranceforalldimensions.Pleaseconfirm.（问Datum孔距外围距离及外围公差）

31、Wewillfollowthemetricunitandignoretheinchunitoffinishedholesizeonthedrillchart.Pleaseconfirm.（问孔表中公英制单位不一致）

32、Thediameter2.0mmholes（symbolc）areplatedthroughholesonthebreakawaytab.Butthesampleboardthatcustomerprovidedisnon-plated.Wesuggestfollowingsampleboardandchangingthemtonon-platedthroughholes.（SeeDWG02Note"

）Pleaseconfirm.（问孔表与样板孔属性不一致）

33、Thediameteroftoolingholesonthedrillingchart（SeeDWG03）isnotmatchwitharraydrawing（SeeDWG04）.Wewillfollowthearraydrawingandtakethediameter3.2mm.Pleaseconfirm.（问孔表与外围图孔径大小不一致）

34、Theholediameter28milistoocloseoutline.（SeeDWG01Note"

B"

）Thatwillcausetheholebrokenafterroutingprocess.Wesuggestdeletingthishole.（问过孔距外围太近）

35、Theoriginalartworkdoesnothaveacupadaroundthe"

PTHholediameter40mil.Wewilladdatleast8milscuannularringonbothcomponentsideandsoldersideoftheboard.Pleaseconfirm.（问给PTH孔加PAD）

36、Customerrequirescoving6holeswithpeelablemask,buttherearetwo0.040”holesarequitenearthe6holes.Fortherequirementofpeelablemaskcovingholes,wehavetwosuggestionsasbelow.Pleaseadvisewhichoneisbetterforourselecting.

Suggestion1:

Peelablemaskcovers8holes（includetwo0.040”holes）asattachedGerberfile“blue1_s.gbx”.

Suggestion2:

Peelablemaskcovers6holes,butthe3largeholeshavepartspad（approximate10mils）withoutpeelablemask,i.e.,peelablemaskisnotentirecoverthe3largeholesandpads.（seeattachedGerberfile“blue2_s.（问孔距蓝胶处太近）

37、PerthedrillDWG,therearesomeDIA:

XXmilplatedholes,whichlocateattherectangularholeofYYmmxZZmm（SeeattachedfileX）.（问矩形孔做法）

i）.Fromtheadditionalsheetofrectangularholesartwork,whichincludestheserectangularholes,wefoundtherectangularholesinthisartworkwerenotcenteredwiththeplatedholesandthecorrespondingpad（SeeattachedfileY）.Wesuggestbuildingtherectangularholes/slotswithreferencetotheplatedholeasthecenterofslot.Pleaseconfirm.（问矩形孔中心位置）

ii）.Pertheshapeofrectangularholes,therewasaFULLRincludedattheendofeachrectangularholethatmeanstheslotsizeas3mmx0.6mmrectangularholeswillbebuiltas3.6mmx0.6mmplatedslotwithfullradius.2mmx0.6mmrectangularholeswillbebuiltas2.6mmx0.6mmplatedslotwithfullradius.TheillustrationseeattachedfileZ,pleaseconfirm.（问矩形孔的四角半径）

iii）.Wesuggesttocontroltheplatedslotlength/widthtoleranceas+/-0.127mm,pleaseconfirm.（问

矩形孔公差）

38、Therearesomerectangularholesintheoutlinedrawing,andthisboardisbuiltbyrouting,sotherightanglecan’tbuilt.Proposeto