Iphepha lokwenziwa kweMpahla yoMveliso weMpahla

Chaza iphepha leKraft kwiimvulophu

Ukufumana ilungeloiphepha le-kraft lokwenza iimvulophuIqala ngokuqonda izinto ezisisiseko zokwakha ezi zinto. Lenziwe ngokuyintloko ngeefayibha ze-cellulose zomthi ngenkqubo yekhemikhali yekraft, eli phepha liqinile ngokwendalo, linokuguquguquka, kwaye linobuhlobo nokusingqongileyo.

Le mpahla yenzelwe ngokukodwa ukujongana nobunzima bemigca yemveliso ezenzekelayo ngelixa ikhusela amaxwebhu, iikhathalogu, kunye neempahla ezikhaphukhaphu ezithuthwayo. Kwiinkampani zokushicilela ze-B2B kunye neefemu zezothutho, ukucacisa isiseko esichanekileyo kuthintela ukuxinana koomatshini okubizayo kunye nenkunkuma yezinto.

Iimfuno zokuguqula ezibalulekileyo

Abavelisi bafuna iphepha elisebenza ngendlela eqikelelweyoumgangatho wemvelisoOomatshini bokuguqula iimvilophu badla ngokusebenza ngesantya esiphezulu, becubungula naphi na ukusuka kwiimvulophu ezingama-500 ukuya kwi-1,200 ngomzuzu. Ngezi santya, iphepha kufuneka likwazi ukugobeka kakuhle ngaphandle kokuqhekeka kwimithungo.

Ukuqina yenye into ebalulekileyo; ukuba iphepha libuthathaka kakhulu, liya kuxinanisa oomatshini abasongwayo, nto leyo ebangela ukuba ixesha lokungasebenzi libize kakhulu kwaye kubekho amazinga aphezulu eziphene. Ukongeza, umphezulu kufuneka wamkele iglue eqhelekileyo kunye neefilimu zokuvala iifestile ngaphandle kokuphazamiseka, ukuqinisekisa ukuba ukusetyenziswa kweglue ngokukhawuleza (okubizwa ngokuba yi-0.5 seconds) kudala ukubopha okuhlala kuhleli nokukhuselekileyo.

Imigaqo yeenkcukacha eziphambili

Ukuze bathenge izinto ezifanelekileyo, abathengi kufuneka bathethe ulwimi lweefektri zephepha. Iigram ngemitha yesikwere (GSM) zilawula ubunzima kunye nobukhulu, nto leyo echaphazela ngokuthe ngqo ukuqina kunye neendleko zokugqibela zokuthumela.

Isikhokelo somatshini (MD) kunye nesikhokelo esinqamlezileyo (CD) zichaza ukulungelelaniswa kweefayibha, okuchaphazela indlela iphepha elikrazula kwaye ligobe ngayo kwimiqolo yemvulophu. Umthamo womswakama udlala indima enkulu ekuguquleni impumelelo. Inqanaba lomswakama elijolise phakathi kwe-5% kunye ne-7% lidla ngokufuneka, nangona oku kuyahluka ngokwemozulu yemilo kunye neyengingqi; iindawo ezinomswakama ophezulu, umzekelo, zinokufuna iithagethi zomswakama ezilungisiweyo ukuthintela iphepha ukuba lingagobi, linciphe, okanye libe buthathaka kakhulu ngexesha lokugcina nokucubungula impahla.

Thelekisa iinkcukacha zePhepha leKraft

Xa uthelekisaimiqulu emikhulu yephepha le-kraft, abathengi kufuneka balinganise iimpawu zoomatshini ngokuthelekisa nokugqitywa kobuhle.

I-mailer yokwandisa imisebenzi enzima ifuna iseti yeenkcukacha ezahlukileyo ngokupheleleyo kune-imvulophu yefestile yenkampani eqhelekileyo, kwaye ukucacisa ezi mpawu kuthintela ukusilela kwemveliso kunye nokusetyenziswa kwezinto ezingeyomfuneko.

I-GSM, amandla okutsalwa, ukumelana nokukrazuka, kunye nokugobeka

Iintlobo ezahlukeneyo zeemvulophu zifuna iiklasi ezithile zobunzima kunye neeprofayili zamandla. Endaweni yokujonga nje iinkcazo ezisisiseko, abathengi kufuneka bavavanye indlela ezi milinganiselo ezisebenza ngayo kwimveliso yabo ethile. Amandla okuxinana, alinganisa ukuba iphepha linokuthwala uxinzelelo olungakanani ngaphambi kokuba liqhekezwe, adla ngokukhankanywa njengokufuneka abe ngaphezulu kwe-5.0 kN/m kwicala lomatshini ukuze kuthunyelwe ngeposi ethembekileyo, nangona oku kuxhomekeke kumgangatho wovavanyo osetyenzisiweyo.

Ukumelana nokukrazuka kuqinisekisa ukuba iikona ezibukhali zamaxwebhu aziyi kugqobhoza imvulophu ngexesha lokuhamba. Ukugoba kufuneka kuhambelane noyilo lwemvulophu, njengoko iphepha eliqinileyo elinomgca ongalunganga wokugoba liya kuqhekeka lula kwiimbombo zeemvulophu ezandisiweyo.

Iinketho zephepha ezimdaka ngokwendalo, ezimhlophe, kunye nepeyinti egqunywe ngombala

Ukugqitywa okubonakalayo kwephepha kukwalawula ukusebenza kwalo kunye nomgangatho walo ongqongileyo.Ikrafti emdaka yendalo engatyheliicocekile kakhulu kwaye iyabola, nto leyo eyenza ukuba ibe yeyona ithandwayo kwiimveliso ezihlala ixesha elide ezifuna ukunciphisa umngcipheko wekhabhoni yazo.

I-white kraft idlula kwinkqubo yoku-bleach—apho ikhemistri ethile esetyenzisiweyo, efana ne-Elemental Chlorine-Free (ECF) vs Totally Chlorine-Free (TCF), ibalulekile kwiimfuno zozinzo—ukubonelela ngemvelaphi ecacileyo neyohlukileyo kakhulu yoyilo olunemibala yokukhuthaza. Nangona kunjalo, uku-bleach kunokunciphisa amandla efayibha malunga ne-5% ukuya kwi-10%, oko kuthetha ukuba abathengi banokufuna ukwandisa i-GSM kancinci ukuze ihambelane nokuqina kwemvulophu emdaka. Kukho nezinye iindlela zokugquma, zongeza imiqobo enganyangekiyo kumswakama okanye ii-poly-linings kwiipakethe ezifuna ukhuseleko olongezelelweyo kwimozulu, nangona kubalulekile ukuqaphela ukuba i-poly-coated kraft idla ngokungaphinde isetyenziswe kwiindlela eziqhelekileyo.

Khetha iphepha elifanelekileyo leKraft

Ukukhetha iphepha elifanelekileyo le-kraft kuxhomekeke ekuvavanyeni izinto ezikhoyo kwiimeko zokwenyani kunye nokulungelelanisa ezo ziphumo kunye nomgangatho wenkampani.

Iphepha elinamandla ehlabathini aliyi kunceda ukuba alikwazi ukugcina i-inki kakuhle, livala iprinta ye-offset, okanye libiza kakhulu ukuba lingathunyelwa ngobuninzi.

Amanyathelo okuvavanya ukuprintwa

Ngaphambi kokuba bazibophelele kwi-odolo enkulu, abaguquli kufuneka basebenzise uluhlu lokuhlola olucwangcisiweyo. Amaqela okuthenga kufuneka aceleiziqinisekiso zomatshini wokugayayohlalutyo (COA), qinisekisa ukuhambelana kwe-caliper kulo lonke umqulu, kwaye ujonge ukuba akukho cockling kumanqanaba okufuma ekujoliswe kuwo.

Okulandelayo, abaguquli kufuneka benze uvavanyo lokuprinta lwe-flexo okanye i-offset printing. Umphezulu wephepha kufuneka uthambe ngokwaneleyo ukuze ubambe iinkcukacha zebhakhowudi ezincinci kodwa ube nomfanekiso owaneleyo ukuze ufunxe i-inki ngokukhawuleza ngaphandle kokungcoliswa. IiMills zilinganisa oku zisebenzisa isikali se-Bendtsen smoothness; ukufundwa kwe-200 ukuya kwi-400 ml/min ngokuqhelekileyo kulungele ukuprinta i-envelope eqhelekileyo. Kusoloko kuyinyathelo elilumkileyo ukuqhuba i-trial batch ye-5,000-pieces ukujonga ukunamathela kwe-inki, ukucaca kwelogo, kunye nokuba i-adhesives inamathela kakuhle kangakanani kwiiflephu zephepha phantsi kweemeko eziqhelekileyo zokomisa.

Ukuthelekisa iphepha neemfuno zoshishino

Ekugqibeleni, iinkcukacha kufuneka zihambelane neemfuno zomsebenzisi wokugqibela. Amaziko emali athumela amaxwebhu abalulekileyo afuna i-opacity ephezulu (edla ngokuchazwa ngaphezulu kwe-95%) kwaye anokufuna i-tint yokhuseleko eyenzelwe wena eprintiweyo ngaphakathi. Ngenxa yokuba i-opacity kunye ne-tinting yokhuseleko ziinkcukacha ezahlukeneyo kwaye aziqinisekisi ubumfihlo obupheleleyo, zihlala zidityanisiwe.

Iimpawu zorhwebo lwe-e kunye neenkampani zezothutho zibeka phambili ukuqina okulula ukunciphisa iindleko zokuthumela ngeyunithi nganye. Xa zithenga ezi zinto, amaqela okuthenga kufuneka aqwalasele ubungakanani beodolo obuncinci (ii-MOQ).Iiroli ezinkulu ezenziwe ngokwezifisongokwesiqhelo ifuna i-MOQ yeetoni ezi-3 ukuya kwezi-5. Ukulungelelanisa iinkcukacha zobugcisa kunye nomthamo wokugcina, iinjongo zokuthobela imithetho, kunye nemida yohlahlo-lwabiwo mali kuqinisekisa ukusebenza kakuhle kwemveliso kunye neendleko eziphantsi.

Ukuze bathathe isigqibo sokugqibela, abathengi banokudibanisa iintlobo zeemvulophu zabo kwiiphakheji zeenkcukacha ezicetyiswayo:

● Ishishini Eliqhelekileyo:I-70–90 GSM, ithagethi yokutsalwa kwe-MD ephakathi nendawo, isiphelo esigudileyo, ifanelekile ukuprinta ngesantya esiphezulu.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

● Tshatisa i-GSM yephepha le-kraft nohlobo lwemvulophu, usebenzisa malunga ne-70–90 GSM kwiimvulophu zeshishini eziqhelekileyo kunye ne-100–120 GSM kwiimeyila ezininzi zekhathalogu.
● Cacisa indlela yomatshini kunye nendlela enqamlezileyo ngokucacileyo kuba ukulungelelaniswa kwefayibha kuchaphazela ngokuthe ngqo umgangatho wokugoba, indlela yokukrazula, kunye namandla omthungo.
● Lawula umthamo womswakama ojikeleze uluhlu olucetyiswayo yi-mill, oludla ngokuba yi-5%–7%, ukuze kuncitshiswe ukugoba, ukuqhekeka, ukushwabana, kunye nokuguqula inkunkuma.
● Hlola amandla okutsalwa, ukumelana nokukrazuka, kunye nokugoqeka kunye endaweni yokuthenga kuphela ngobunzima bephepha.
● Khetha iphepha eliqinileyo nelinamathelayo ukuze lixhase imigca yeenvelopu ekhawulezayo ehamba ngeemvulophu ezingamakhulu okanye ngaphezulu kwe-1,000 ngomzuzu.

Imibuzo ebuzwa qho

Yeyiphi i-GSM efanelekileyo kwiimvulophu zephepha le-kraft?

Iimvulophu zeshishini eziqhelekileyo zihlala zisebenzisa i-70–90 GSM, ngelixa ii-mailers zekhathalogu zihlala zifuna i-100–120 GSM. Ii-mailers ezikhulayo okanye ezikhuselayo zinokufuna ubunzima obuphezulu ngokuxhomekeke kwinto equlethwe kuyo, uyilo olugoqekayo, kunye neenjongo zeendleko zeposi.

Kutheni i-MD kunye ne-CD zibalulekile ekuvelisweni kweemvulophu?

Icala lomatshini kunye necala elinqamlezileyo lichaphazela ukugoba, ukukrazula, kunye nokuzinza kobukhulu. Ukulungelelanisa icala lefayibha ngokuchanekileyo kunceda ukuthintela ukugoba okuqhekekileyo, imithungo ebuthathaka, kunye nokuxinana koomatshini abaguqula ngesantya esiphezulu.

Ngawaphi amanqanaba okufuma ekufuneka abathengi bawachaze kwiphepha leenvelopu zekraft?

Iifektri ezininzi zijolise kumswakama omalunga ne-5%–7%, kodwa uluhlu olufanelekileyo luxhomekeke kwimozulu, iimeko zokugcina, kunye nesantya sokuguqula. Ukufuma okungalunganga kunokubangela ukugoba, ukuqhekeka, ukushwabana, okanye ukusebenza kakubi komatshini.

Iphepha le-kraft lifanele libe namandla kangakanani ukuze lithunyelwe ngeposi ethembekileyo?

Kwiinkqubo ezininzi zokuthumela ngeposi, abathengi bajonga amandla okutsalwa komatshini angaphezu kwe-5.0 kN/m, kuxhomekeke kumgangatho wovavanyo. Ukumelana nokukrazuka kunye nokugobeka kufuneka kujongwe ngokwesitayile semvulophu.

Ngaba iphepha le-kraft lingasebenza kwiimashini zeenvelopu ezikhawulezayo?

Ewe, ukuba ichazwe ngokuchanekileyo. Imigca yeemvulophu ingahamba phakathi kwama-500–1,200 ngomzuzu, ngoko ke iphepha kufuneka liqine rhoqo, ligobeke kakuhle, lihlale limanzi, kwaye likwazi ukwamkela iglu ngendlela ethembekileyo.