Introduction
Thesaddlestitchesusuallyreferto"wireflatnails",andtheyarenotpre-madestaples.Duringtheproductionprocess,themachinechangesfromarollofmetalCutasectionoftheline,nailitintothepaper,andbendtheironwireontheothersideofthepapertofixit.
Processcharacteristics
Thecontentsofthebookandperiodicalsarenotpre-orderedintothebookcenter,butthecoverisattachedandtheentirebookandperiodicalsareboundtogetherandcuttogether.Thefinishedbooksandmagazinesaresaddle-stitched.Thefrontandbottomsealsofthecoverareexactlythesamesizeandneatasthepagesofthebookcore,whilethespineisnarrowandarc-shaped,andtheironwireusedforthebookisobviouslyexposed,soCannotprinttext.
AdvantagesandDisadvantages
Thesaddlestitchbindinghasashortbindingcycleandlowcost,butthebindingstrengthispoor,andtheironwireusedisdifficulttopenetratethickpaper.Therefore,bookswithmorethan32pages(64pages)arenotsuitableforsaddlestitching.Note:ThePnumberofthesaddlestitchsourcefilemustbeamultipleof4,otherwisetherewillbeblanksinthetext.
Bindingprocess
Thefirstpostpageisplacedattheforefrontofthebindingmachine,andthefirstonefallsonthechain;theotherpostsarestackedonitinsequence,andthecoverfallsonthelastOntop,nailthenails;thensendittothecuttingpartattheendofthebindingmachine,andtrimthethreesidesofthebookletintoabook,andsenditoutofthebindingmachinetailbyaconveyorbelt,andpackitfordelivery.
Features
Becausethefinishedbookhasathickness,whenfinallytrimmingthissideofthepage(thatis,theopening),becausethetwosidesofthesaddleareclosetogetherandpressedflatTrimming,aftertrimmingtheoutermostpageandthemiddlepage,theappearancelooksthesamesize,butbecausethemiddlepageissqueezedoutbyhalfthethicknessofthebooklet,itistrimmedandcutoff.Whenmeasuringtheleftandrightdimensions,itwillItwasfoundtobesmallerthanthecover.Withthisfeature,youshouldpayattentiontoitwhenmakingblackandwhitefinisheddrafts.