Ib daim ntawv teev cov ntawv luam tawm ua cov luam ntawv luam tawm
Txawm hais tias muaj ntau ntau hom kev luam ntawv, offset lithography-offset printing-yog txoj kev feem ntau ntawm cov ntawv luam tawm ntawm daim ntawv luam tawm. Cov xov xwm luam tawm uas xa cov ntawv luam tawm kev lag luam yog cov vib nas this los yog daim ntawv fes.
Cov ntawv sau ua ntawv sau rau ntawm daim ntawv txhawm rau ntawm daim ntawv es tsis yog daim npluas daus ntawm daim ntawv siv web nias . Cov ntawv fed tuaj ntawm ntau qhov sib txawv. Cov ntawv me me ntawm cov ntawv sau ua rau daim ntawv me me li 4 ntiv ntawm 5 nti thiab cov ntawv luam loj tshaj plaws nyob rau ntawm nplooj ntawv 26 inches los ntawm 40 ntiv.
Cov ntawv sau ua ntawv sau rau ntawm daim ntawv coated thiab uncoated paper and cardstock. Cov xovxwm tuaj yeem ua rau tib lub peev xwm luam tawm ib qho xim ntawm ib lub sijhawm, tab sis cov ntawv loj loj yuav tsum muaj rau lossis tshaj saud units uas txhua tus sau cov xim txawv ntawm daim ntawv tag nrho hauv ib qho ntawm cov xovxwm.
Sheet-Fed Versus Web Presses
Cov ntawv fed presses muaj nyiaj ntau dua los khiav qhov web presses. Lawv yog cov me thiab tsuas yog ib tug los yog ob tug tswv xwb. Vim tias lawv yooj yim los tsim thiab khiav, lawv xaiv cov kev lag luam me me xws li cov ntawv teev lus lag luam, cov phau ntawv qhia, cov ntawv teev npe, cov ntawv xov xwm, cov ntawv xov xwm, thiab phau ntawv qhia . Cov ntawv xauj ntawm daim ntawv ncaj nraim ntawm txoj kab ncaj nraim los ntawm cov koog xov xwm, nrog txhua lub chaw ua ntawv thov ntxiv xim cuav ntxiv rau ntawv. Cov ntawv xaiv rau cov ntawv fed presses loj dua cov ntawv xaiv rau hauv web presses.
Web presses yog chav-tsuas thiab yuav tsum tau ob peb lub xov tooj thiab cov cuab yeej tshwj xeeb kom khiav mus thiab txhim kho qhov loj ntawm daim ntawv uas tawm hauv xov xwm. Cov qib high-speed presses yog qhov zoo tshaj plaws rau cov ntawv luam ntev sau ntawm ntau txhiab los yog ntau dua impressions. Cov ntawv xov xwm txhua hnub, cov phau ntawv, thiab cov ntawv teev npe xa ncaj qha feem ntau yog nyob ntawm cov ntawv xovxwm. Web presses sau rau ntawm ob sab ntawm daim ntawv nyob rau hauv ib lub sij hawm thiab feem ntau yog nruab nrog xov khoom uas collates, folds thiab trims lub tiav lawm khoom raws li nws tawm los ntawm xovxwm. Lawv tsis tuaj yeem sau rau ntawm daim ntawv sau los yog cov ntawv uas hnyav heev los qhwv rau ib yob loj.
Dab tsi yog kev tshaj tawm Printset?
Cov ntaub ntawv luam tawm siv cov phaj luam tawm ntawm ib hom hlau uas muaj cov duab uas luam tawm rau ntawm daim nplooj ntawv. Thaum number case thiab dej siv rau lub phaj, tsuas yog cov duab tuav tus cwj mem. Cov duab ntawd pauv los ntawm cov hlau phaj rau daim pam thiab rub tawm los ntawm daim ntawv. Txhua tus xim ntawm tus cwj pwm xaj yuav tsum muaj nws cov phaj hlau.
Txiav Hlais-Daim Ntawv Npau Tawm Txog Kev Tshem Tawm
Cov lag luam luam tawm lag luam uas siv cov ntaub ntawv fed presses feem ntau khiav ntawm qhov ntau thiab tsawg ntawm cov ntawv sau los ntawm daim ntawv mills. Cov ntawv xa tawm cov ntawv ntau thiab cov ntawv tshwj xeeb muaj xws li:
- 17 los ntawm 22 nti
- 19 los ntawm 25 nti
- 23 los ntawm 35 nti
- 25 los ntawm 38 nti
- 22.5 los ntawm 28,5 nti (lossis)
- 25.5 los ntawm 30.5 nti (Performance index)
- 20 los ntawm 26 nti (npog)
Cov ntawv teev lus "niam txiv" tau txiav txim siab yooj yim mus rau qhov ntau thiab tsawg dua peb hu ua tsab ntawv loj me, kev cai lij choj thiab daim duab. Cov tshuab luam ntawv siv cov ntawv uas zoo tshaj plaws rau txhua tus qauv tsim. Feem ntau lawv sau cov ntawv loj loj rau ntawm ib daim ntawv thiab mam li muab lawv tso rau qhov kawg tom qab lawv luam tawm. Piv txwv, lub tuam txhab tsab ntawv ceeb toom uas yog 8.5 los ntawm 11 nti luam tawm plaub zaug ntawm 17 mus rau 22 thiab tsis muaj ntawv pov tseg.
Cov lag luam me me me me uas luam cov ntawv me me tsuas pub me me ntawm 8.5 los ntawm 11 nti, 8.5 los ntawm 14 nti thiab 11 los ntawm 17 ntiv thiab khiav cov qhov ntau thiab tsawg ntawm lawv cov xovxwm.