Scientific design of the finished size of corrugated boxes

2018-12-12

Themainuseofcorrugatedboxesistopackthings,butifthecartonhasadimensionaldeviation,itisequivalenttomakingafatalmistake.Manypeopleintheindustrythinkthatthesizemanagementcontrolofcartonisthemostbasicandthesimplest,butusersofcorrugatedboxesoftendonotthinkso.Thesizeproblemdirectlydeterminesthevalueofthecarton.Customersoftherightsizewillaccepttheuse. Thesizeisnotsuitable,otherprojectsaredoingwell,anditdoesnothelp.Buttoreallymanageandcontrolthesizeofthecartonisaverysystematicjob.Therefore,itisthemosteconomicalandscientificmanagementtomakesimplethingsrightatonce. Thesizeofthecorrugatedboxisdesignedfirstfortheinnerdimensions.Sincetheinnerdimensionisrelativelyeasytodetermine,itisdeterminedbythephysicalmeasurementofthebuilt-ingoodsortheouterdimensionscalculatedbythephysicalcombinationarrangement.Thedischargeofcontentsshouldbeasspace-savingaspossible,andreasonableconsiderationshouldbegiventothefactorsofsupport. Fromthepointofviewofmechanics,ifthecontentssharepartofthesupportingforce,therequirementsforthecompressionresistanceofthecartoncanbeappropriatelyreduced.Therefore,itmeansareductionincostsandanacquisitionofprofits.Ifthecontentsarecartons,considerthedirectionofthecartonofthecarton,becausethelongitudinalwireisbetterthanthelateralwire. Intheformingprocessofthecorrugatedbox,thecorrugatedboardispressedtomakethecorrugatedboardbendwell,andthepressinglinecausesthestructureofthecorrugatedboardtobebrokentomaketheinnerpapershrinkandthefacialpaperextend.Theamountofexpansionandcontractionisdirectlyrelatedtothethicknessofthecardboardandthewaythepressureisapplied.Thethickerthecardboard,thelargertheexpansionvalue,thewiderthepressureline,andthelargertheexpansionvalue.However,whetheritisacorrugatedboxformedbyatwo-wire,three-wireorfive-wirecrimpingmethod,theprotrudingportionofthebottomlineofthecrimpingwheelpressesthepressedportionofthecorrugatedcardboardintothecenterofthecorrugatedcardboard.Therefore,theinnerdimensionsofthecorrugatedboxareslightlyshorterthanthedistancebetweenthelineandthelineofthecorrugatedbox.Inthiscase,theshortenedpartsizeisaddedasacorrectionvalue,whichiscloselyrelatedtothethicknessofthecorrugatedboard. Inordertoprotectthecontentsofthemostcommoncarton,theouterflapisusuallytobebutt-sealed.Thisrequiresthatthesizeoftheflapofthecartonmustbecalculatedaccurately,andthereisnogapafterthedocking,norcanitbesuperimposed.Inprinciple,thetheoreticalvalueofthewidthoftheflapwidthshouldbeone-halfofthesizeoftheboxwidth.However,sincetheinnerandouterflapsareonthesamepressureline,theinnerflapisfoldedandtheouterflapissupported,andtheouterflapmusthaveacertaingapatthejoint.Therefore,itisveryimportanttocalculatethecorrectionvalueoftheouterflapwidthmanufacturingsize.Thiscorrectionvalueisgenerallyhalfofthethicknessofthepressedcardboard,butthedifferenttypesofcrimpingequipmentcausetheexpansionofthecardboardpaperandtheinnerpaperisdifferent,soitisbesttodeterminebyactualmeasurement. Insimpleterms,inthestructuraldesignofthecorrugatedbox,itisdeterminedaccordingtothemanufacturingequipmentusedandthedifferentproductionprocesses,andthecorrugatedcardboardmadeofdifferenttypesofcrepe,aswellasthetypeandnatureofthegoods,onlythemasteryofallAfterdesigningthestructureandsizeofthecorrugatedbox,itispossibletomanufactureacorrugatedboxthatprotectsthemerchandiseandbeautifiesthemerchandise.

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