Ukuthamba kwemveliso yethishu, ukufunxa kwayo, kunye nokusebenza kwayo okuguqulayo kugqitywa kakhulu ngaphambi kokuba ifike kwi-rewinder. Kubathengi, umbuzo wokwenyani awukokuba ingaba i-roll yenziwe nge-virgin wood pulp, kodwa ingaba iingxelo zomthengisi ziyangqina ukuba ingasebenza ngokufanelekileyo kwaye ihlangabezane nomgangatho wemarike ekujoliswe kuwo.Ukwakheka kwefayibha, i-GSM, ukukhanya, ukufuma, ubukhulu bomqukumbelo, ukufunxa, kunye nedatha yamandlaZonke ezi zinto zinefuthe kwimveliso ephumayo, ixesha lokungasebenzi, kunye nokuhambelana kwemveliso egqityiweyo. Esi sikhokelo sichaza oko kufuneka kuqinisekiswe ngamaqela okuthenga kunye noochwephesha kwiphepha leenkcukacha zomqulu wabazali bethishu, indlela yokutolika amanani aphambili afana ne-12–42 GSM kunye nokufuma kwe-4%–7%, kunye nokuba zeziphi iziphene zomzimba ezinokuphazamisa ukuguqulwa.
Iinkcukacha eziphambili zokuqinisekisa
Xa ufuna ii-virgin wood pulp tissue parent roll, ukuqinisekisa iinkcukacha zesiseko kubalulekile ukuqinisekisa imisebenzi yokuguqula engenamthungo. Ezi rolls zinkulu zisebenza njengesiseko seukuveliswa kwezicubuNokuba iziko lenza izicwili zobuso ezikumgangatho ophezulu okanye iimveliso zokucoca zemizi-mveliso, isiseko sokufaka silawula umgangatho wokugqibela. Amaqela okuthenga kufuneka aqinisekise imilinganiselo ethile kwiingxelo zabathengisi ngaphambi kokuba akhuphe iodolo yokuthenga.
Umxholo weFayibha, Ukukhanya, kunye ne-GSM
Imilinganiselo yokuqala yokuqinisekisa kuyo nayiphi na ingxelo yomthengisi kukwakheka kwayo. Izicubu zeprimiyamu eziqhelekileyo zifuna umxube olinganisiweyo ngononophelo we-hardwood kunye ne-softwood virgin fibers. Umlinganiselo ofanelekileyo uyahluka ngokwendlela esetyenziswa ngayo: i-softwood pulp inika amandla okutsalwa afunekayo ukuze umatshini usebenze kakuhle kwayeiitawuli zezandla ezinzima, ngelixa i-pulp yomthi oqinileyo inegalelo ekuthambekeni nasekugqibeleni kwezicubu zobuso. Kunye nokwakheka kwefayibha, abathengi kufuneka bahlole ubunzima besiseko, obuhlala buqala kwi-12 ukuya kwi-42 GSM kuxhomekeke ekubeni isicelo siyasebenza na.izicubu zobuso ezithambileyookanye i-wipe enzima.
Ukukhanya yenye into ebalulekileyo ekukhangelweni kwabathengi kwiimarike zobunewunewu kunye neendwendwe. Iingxelo zelebhu zeeklasi ze-bleached virgin kufuneka ziqinisekise inqanaba lokukhanya kwe-ISO phakathi kwe-86% kunye ne-90%. Ngokwahlukileyo koko, i-pulp ye-virgin engaxutywanga idla ngokusetyenziswa kwiindawo ezithile zoshishino kunye neenkonzo zokutya, ezineemfuno ze-optical ezahlukeneyo kakhulu. Ukuba indawo ifumana uncedo.iiroli zomzali ezenziwe ngokwezifiso, ukuqinisekisa ukuba ezi metrics ze-optical zichanekile kuya kugcina inkangeleko enqwenelekayo kwiimpahla ezigqityiweyo.
Amaqela okuthenga kufuneka aqinisekise ukuba kukho ukufuma okufikileyo. Njengento ebalulekileyo,uluhlu lwabazali oluphezulukufuneka igcine umlinganiselo wokufuma we-4% ukuya kwi-7%. Amanqanaba okufuma angaphezu kwe-7% anokubangela ukubola ngexesha lokuhamba, ngelixa amanqanaba angaphantsi kwe-4% enza iphepha libe buthathaka, okwandisa umngcipheko wokuqhekeka kwewebhu ngexesha lokuqhekeka okanye ukugqunywa.
Ububanzi beRoll, Ububanzi, kunye nobukhulu beCore
Ubukhulu bomzimba bulawula ukuhambelana komatshini kumgangatho wefektri kwaye buchaphazela uthutho lokuhambisa. Iirolls ezizalayo zinokwenziwa ngobukhulu obugqithisileyo—njengobubanzi obufikelela kwi-5,520 mm—kodwa ezi zimele amandla aphezulu oomatshini kunobungakanani obuqhelekileyo besitokhwe. Abathengi badla ngokufuna ukucacisa iimfuno ezichanekileyo zobubanzi besithuba ezilungiselelwe ii-dispenser zabo ezithile. Ububanzi buqala kwi-1,000 ukuya kwi-2,560 mm; ngelixa ububanzi be-1,150 mm buhlala bukhethwa ukuze kuphuculwe indawo ngaphakathi kwezikhongozeli zokuhambisa zaselwandle eziqhelekileyo, ubukhulu obufanelekileyo kufuneka ekugqibeleni buhambelane nemida yezixhobo zomthengi.
Ubungakanani be-core bubaluleke ngokulinganayo. Nangona i-core engama-76 mm (3-intshi) ixhaphakile, ayiqhelekanga kuyo yonke indawo; ii-parent rolls ezininzi zisebenzisa ii-cores ezingama-150 mm okanye ezinkulu. Ukuqinisekisa ubungakanani be-core kuqinisekisa ukuhambelana nee-chucks zokuphumla zesixhobo kwaye kugcina ulawulo oluzinzileyo loxinzelelo ngexesha lokucubungula. Ukhuseleko lokuhamba, okwangoku, luxhomekeke kwiindlela ezifanelekileyo zokusonga nokuphatha endaweni yobukhulu be-core ngokwayo.
Ngaphaya kobukhulu obuqhelekileyo, abathengi kufuneka bahlole iziphene ezibalulekileyo phakathi komzali nomqolo. Izinto eziqhelekileyo zoluhlu ziquka imeko ye-reel-edge, i-machine direction (MD) caliper uniformity, kunye nokungabikho kwemibimbi okanye imingxunya. Ukutyumza kwe-core kufuneka kuthintelwe ngokungqongqo, njengoko i-core eyonakeleyo ithintela ukungqubeka ngokufanelekileyo. Ezi mpawu zomzimba zezona zinto ziphambili ezibangela impumelelo yokungakhululeki.
Uthelekiso Lokusebenza Nomgangatho
Ngaphaya kweenkcukacha zobukhulu, abathengi kufuneka bavavanye indlela esebenza ngayo i-parent roll kwimigca yokuguqula ekhawulezayo. I-parent roll isebenza njenge-substrate egqityiweyo ekufuneka inyamezele ukuqhekeka okuqinileyo, ukugrumba, ukugquma, kunye nokugqobhoza. Ukuqonda ukusebenza koomatshini be-virgin fiber kunceda ukuthethelela ukukhethwa kwayo kunezinye izinto kwaye kuqinisekisa ukucutshungulwa okuthembekileyo phantsi koxinzelelo loomatshini.
Ubumsulwa beFiber, Ukufunxa, kunye namandla
I-Virgin wood pulp inika ukusebenza okuphezulu koomatshini, ekufuneka kuqinisekiswe kusetyenziswa uvavanyo oluqhelekileyo olufana noluhlu lwe-ISO 12625. Endaweni yokucaphula umgangatho ngokubanzi, abaguquli kufuneka bajonge iimetrikhi ezithile: ISO 12625-4 yeMachine Direction (MD) kunye neCross Direction (CD) amandla okutsalwa, ISO 12625-8 yeixesha lokufunxa amanzikunye nomthamo, kunye ne-ISO 12625-3 yobukhulu, ubukhulu, kunye nomthamo othile. Ukuthamba kufuneka kuhlolwe ngokwahlukeneyo kusetyenziswa iindlela zovavanyo ezizinikeleyo ezifana ne-EMTEC Tissue Softness Analyzer (TSA) okanye i-Handle-O-Meter. Ezi zinto zibalulekile xa kuguqulwaiiroli ezingundoqo zetawuli yesandla, apho ukufunxwa ngokukhawuleza kunye nokuqina komzimba zezona zinto ziphambili.
Ngaphezu koko, abaguquli kufuneka bavavanye ukuveliswa kwe-lint kunye nothuli kunye nokulingana kweprofayili ye-cross-directional (CD). Amanqanaba othuli aphantsi abalulekile ekugcineni iindawo zokuguqula ezicocekileyo kunye nomgangatho ophezulu wemveliso yokugqibela, ngelixa iprofayili ye-CD efanayo ye-basis-weight iqinisekisa ukugoba rhoqo kwaye ithintela i-telescoping kumatshini.
Utshintshiselwano phakathi kweVirgin kunye neeGrade eziNye
Nangona amasebe okuthenga enokuphonononga amanqanaba asetyenzisiweyo ukuze kuncitshiswe iindleko, ukuthengiselana kwemveliso kubalulekile. I-Virgin wood pulp inesakhiwo sefayibha esifanayo esiguqulela ekusebenzeni kakuhle koomatshini, nto leyo ebangela ukuba kubekho ukuqhekeka kwewebhu okuncinci kunye nexesha lokungasebenzi elinciphileyo. Nangona kunjalo, i-virgin pulp idla ngokuba nexabiso eliphantsi, oko kuthetha ukuba iingxoxo malunga nokusebenza kunye nenkunkuma zisebenza kuphela xa ukubeka imveliso yokugqibela kunye nomphumo oqhubekayo zithethelela iindleko eziphezulu zokufaka.
| Uphawu | I-Virgin Wood Pulp | Intlama Ephinda Yasetyenziswa |
|---|---|---|
| Ukuguqula Ilahleko Ngendlela Ebonisayo* | ~1% – 3% | ~3% – 7% |
| Ukukhanya kwe-ISO | 86% – 90% (Igcadiwe) | Ngokwesiqhelo < 80% |
| Umxholo wobumanzi | 4% – 7% | Iyaguquguquka kakhulu |
| Isicelo esiBalaseleyo | Iprimiyamu, Ikhuselekile ekutyeni, Ezonyango | Uqoqosho, Imizi-mveliso |
*Qaphela: Ukuguqulwa kwelahleko kuluhlu olubonisayo; inkunkuma yokwenyani iyahluka kakhulu ngokusekwe kwimeko yomatshini, ulawulo loxinzelelo, kunye namanqaku athile ephepha.
Ngenxa yokuba iprimiyamu yexabiso le-virgin pulp iyatshintsha-tshintsha ngokweemeko zemarike, abathengi kufuneka babale ubungakanani be-break-even endaweni yokucinga ukuba i-virgin fiber ihlala inika ixabiso eliphantsi lobunini (TCO). Imodeli eqinileyo ye-TCO kufuneka iqwalasele ixesha lokungasebenzi koomatshini kunye neepesenti eziphantsi zenkunkuma ye-virgin rolls ngokuchasene ne-market pulp indices zangoku ukuze kuchongwe ukusebenza kakuhle kweendleko.
Amanyathelo okuqinisekisa umthengi kunye nezigqibo
Ukumisela iinkcukacha ezisisiseko kunye nemilinganiselo yokusebenza sisigaba sokuqala sokuthenga. Abathengi kufuneka bahlole ababoneleli ukuqinisekisa ukuba bafezekisa imilinganiselo echazwe kwiingxelo zabo zelebhu. Ukusebenzisa inkqubo yokuqinisekisa eqhelekileyo kukhusela uthotho lokubonelela kwiingxaki ezibizayo.
Uhlolo lweSampuli kunye namaxwebhu ababoneleli
Ngaphambi kokuba bazibophelele kwi-odolo yevolumu yorhwebo, abathengi kufuneka bacele isampuli yeroli ukuze benze uvavanyo kwizixhobo zabo zokuguqula.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Qinisekisa umlinganiselo we-hardwood kunye ne-softwood virgin fiber kuba i-softwood iphucula amandla okutsalwa ngelixa i-hardwood ixhasa ukuthamba kunye nobukhulu.
- Tshatisa uluhlu lobunzima obususela kwi-12 ukuya kwi-42 GSM kunye nemveliso ekujoliswe kuyo, ukusuka kwizicubu zobuso ezilula ukuya kwiitawuli zesandla ezinzima okanye iiwipes.
- Kufuneka umswakama ophakathi kwe-4% kunye ne-7% ukunciphisa ukonakala kwendlela yokuhamba, ukuqhekeka, kunye nokuqhekeka kwewebhu ngexesha lokuguqula.
- Qinisekisa ukukhanya kwe-ISO ukusuka kwi-86% ukuya kwi-90% kwiiklasi ze-bleached virgin ezisetyenziswa kwimveliso ye-premium, yokwamkela iindwendwe, kunye nezicubu ezijongene nabathengi.
- Jonga ububanzi bomqukumbelo, ububanzi, kunye nobukhulu bombindi wesixhobo sakho sokukhulula umbane, kuba imiqukumbelo engaphambili inokuba phakathi kwe-1,000 ukuya kwi-2,560 mm ububanzi.
- Hlola imiphetho yereyile, imibimbi, imingxunya, ukuqina kwe-caliper, kunye nokutyumza kwe-core ngaphambi kokuba yamkelwe ukuze ukhusele ukubaleka kunye nomgangatho wemveliso egqityiweyo.
Imibuzo ebuzwa qho
Zeziphi iinkcukacha zefayibha ekufuneka abathengi bazicele ngaphambi kokuba ba-odole ii-tissue parent rolls?
Abathengi kufuneka bacele ukwakheka kwefayibha eyi-virgin, kuquka umlinganiselo we-hardwood kunye ne-softwood. I-Softwood ixhasa amandla okutsalwa kunye nokuhamba lula, ngelixa i-hardwood iphucula ukuthamba kunye nobukhulu bezicubu zobuso okanye iimveliso zeprimiyamu.
Luluphi uluhlu lwe-GSM oluqhelekileyo kwii-virgin wood pulp tissue parent rolls?
Ubunzima obuqhelekileyo buqala kwi-12 ukuya kwi-42 GSM, kuxhomekeke kwimveliso yokugqibela. I-GSM esezantsi ifanelekela izicwili ezithambileyo zobuso okanye zendlu yangasese, ngelixa i-GSM ephezulu ifanelekile ngakumbi kwiitawuli zezandla kunye neemveliso zokusula.
Kutheni umxholo womswakama ubalulekile kwingxelo yoluhlu lwabazali?
Ukufuma ngokubanzi kufuneka kuhlale phakathi kwe-4% kunye ne-7%. Ngaphezulu kwe-7%, imiqulu inokonakala ngexesha lokuhamba; ngaphantsi kwe-4%, iphepha linokuba buthathaka kwaye libangele ukuqhekeka kwewebhu ngexesha lokuqhekeka, ukugqunywa, okanye ukubuyiselwa umva.
Iirolls zezicubu ezi-bleached virgin tissue rolls kufuneka zifikelele kwinqanaba elingakanani lokukhanya?
Kwimigangatho yezicubu ezi-bleached virgin, abathengi kufuneka baqinisekise ukukhanya kwe-ISO okumalunga ne-86% ukuya kwi-90%. Oku kubaluleke kakhulu kwiindawo zokuthengisa, ezokwamkela iindwendwe, ezobuso, kunye neemveliso zococeko ezikumgangatho ophezulu.
Zeziphi imilinganiselo yomsongo ekufuneka ihlolwe ukuze kuguqulwe ukuhambelana?
Abathengi kufuneka baqinisekise ububanzi bomqukumbelo, ububanzi, kunye nobukhulu bentloko ngokuthelekisa izixhobo zabo zokukhulula. Ububanzi obuqhelekileyo buqala kwi-1,000 ukuya kwi-2,560 mm, ngelixa ii-cores zinokuba yi-76 mm, 150 mm, okanye ngaphezulu kuxhomekeke kwizixhobo.
Ixesha lokuthumela: Sep-13-2026