Kev sib tham ntawm daim ntawv thov kev pabcuam rau cov tub menyuam
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Lub nruas linear yog hais txog ntau cov ntaub qhwv lub npoo ntawm lub nruas sab nraum lub nruas casing. Muab cov ntawv xov xwm npoo npog npog thiab cov pam khawm npog npog sab nrauv. Ntxiv rau cov luam ntawv thiab cov pam vov, cov khoom siv hauv tsev phais yog daim ntawv insulating, kraft ntawv, roj hmab mats, cov felts thiab lwm cov ntaub ntawv.
Lub raj phom feem ntau yog hais txog ntawm ob sab phom ntawm lub pog cov tog raj kheej. Qhov luaj li cas ntawm lub qhov tsaj txiav txim siab seb puas muaj peb lub rhaub ntawm qhov tshuab luam ntawv xov tooj tua hluav taws tuaj yeem ua kom zoo, thiab hloov ntawm daim duab thiab qhov tseeb ntawm qhov kev txig rov qab ua dua tshiab ntawm cov ntawv xov xwm thiab cov duab yog raug. Cov xim ntau dhau, kom ua tau zoo dua ntawm cov ntawv luam tawm, yog qhov tseem ceeb tshaj plaws.
Lub hom phiaj ntawm lub ncoo uas siv lub ncoo: Ua ntej, qhov hloov ntawm cov ntaub qhwv tau siv los ua qhov tsim nyog yuav tsum luam ntawv; qhov thib ob yog kom them nyiaj rau qhov kev ua yuam kev ntawm lub tshuab raug thiab cov teeb meem ntawm cov luam tawm; qhov thib peb yog los txo cov kev cuam tshuam thiab kev thauj khoom. , kom tsis txhob muaj qhov "nyuab huas" hu rau txhua lub nruas lub plhaub, los tiv thaiv cov khoom siv dag zog.
Ua ntej, qhov kev faib tawm ntawm cov tub sab
Raws li qhov sib txawv ntawm ntau hom offset xovxwm puav leej thooj voos kheej kheej (tseem hu ua tus nqi ntawm cov txiav), cov khoom siv cushioning, cov kev cai ntawm qhov khoom, qhov sib txawv ntawm qhov offset xovxwm, thiab lwm yam., Lub nruas liner yuav ua tau muab faib rau hauv cov hnab tawv nqaij. Sab hauv, sab hauv nruab nrab, khov ntsej zoo muag ntawm peb pawg.
l. Sab hauv ob sab phlu
Qhov nruj nruj muaj daim ntawv pov thawj thiab ib daim pam, uas yog, ob peb nplooj ntawv ntawm daim ntawv nyob rau hauv daim pam daim ntawv tawv tawv. Lub voj voos khov siab dav yog 4-6 hli, thiab lub cheeb txo qhov nqi λ yog 0.004 mus rau 0.08 hli. Hom kab no yog ib qho nyuaj, qhov khoob ntawm lub hauv ob sab phlu loj, thiab ib qho me me ntawm deformation tuaj yeem ua qhov loj printing, thiab feem ntau cov tshuab luam ntawv siv luam ntawv siv cov chais (piv txwv li, xub pwg hlau), kom lub nruas khiav ntseeg nkaws.
Cov hlua hauv plab yog ib qho me me ntawm shrinkage, uas yog, qhov deformation ntawm sab hauv yog me me, thiab cov dot enlargement thiab deformation yog me me. Nyob rau hauv kev kub ntxhov ntawm cov ntawv xovxwm, kev siv txoj hauv ob sab phlu, kev sib kis ntawm cov dots yog zoo dua, cov phom zoo yuav ua kom meej meej reproduced, thiab reproduction ntawm cov xim thiab qib yog facilitated, thiab qhov ncaj thiab tseeb high- zoo sau cov ntaub ntawv tuaj yeem tau, uas yog tsim rau textured printing. . Thaum siv tawv meem, txoj kev sib txhuam ntawm daim phuam ntawm lub luam ntawv loj loj, cov ntawv xov xwm hnav coj los pom tseeb, luam ntawv phaj luam tawm tsawg tsawg, thiab kev tsim kho thiab kev hnav tsis taus ntawm cov khoom yog siab heev. Txwv tsis pub, nws yuav yog vim muaj kev luam tawm siab. Kev tsis sib haum ntawm cov number case sticks. Domestic JJl02A, JJ204, JJ201 Web offset presses, Txais Miller, Heideberg, thiab Komori cov cav hlau hauv Nyiv yog feem ntau nyuaj-lined.
2. Sab hauv ob sab phlu
Qhov nruab nrab sab hauv yog daim ntawv tuab tuab, xim npoo thiab pam. Lub npov siab ntawm txoj kab muaj qhov dav ntawm 8 - 10 hli thiab txo qhov kab uas hla = 0 mus rau 0.2 hli.
Kev ua luam tawm ntawm sab hauv nruab nrab yog nruab nrab ntawm lub zog thiab qhov muag phom, cov khoob hauv koos pis tawj yog qhov nruab nrab, thiab qhov teebmeem me dua qub. Cov ris tsho rau ntawm lub phaj ntawv tsis yog loj heev, cov ntawv pov thawj ntawm daim ntawv thiab kev tsim kev txuag ntawm qhov tshuab luam ntawv xov tooj ntawm cov offset Cov kev txwv tsis yog xav tau heev thiab cov ntawv luam ntawm kev ua kom muaj zog. Feem ntau cov ntawv sau pressfed offset thiab qee qhov tawm ntawm qhov nruab nrab ntawm thaj tsam offset feem ntau siv sab nruab nrab.
1 sab nruab nrab hauv ob sab phlu
Ib daim pam siv sia nrog lub thickness ntawm 1.85 rau 1.90 hli, ntxiv rau cov roj hmab los yog cov npuas cork, tuaj yeem nrhiav tau nrog ib hom ntawv tuab.
2 nruab nrab sab hauv ncoo
Ib daim pam nrog rau ib lub thickness ntawm 1.85 mus 1.90 hli, ntxiv rau lub siab, thiab thaum kawg ib daim ntawv nrog ib tus thickness yuav nrhiav tau.
3. Mos hauv ob sab phlu
Qhov phom ntev yog feem ntau yog ib tug cim rau hauv qab ntawm daim pam thiab ntxiv rau cov ntaub so ntswg. Lub npov siab rau txoj kab muaj qhov dav ntawm 10 - 12 hli thiab txo qhov kab uas tsis muaj zog λ = 0.2 txog 0.4 hli. Qhov phom ntev yog cov lus tsis txaus siab rau lub qhov quav. Qhov hloov ntawm qhov tseem ceeb yog qhov me me, thiab tus nqi ntawm qhov yuav tsum tau cia rau tib lub tshuab luam tawm tib yam loj, yog li lub qhov phom khov kuj hloov tsis tau mus rau ntawm cov dots. Thaum cov txaj ntxhib ntxwb ntxoov ntxoo, qhov chaw tiv tauj muaj qhov dav dav, thiab kev sib cuag tseem zoo. Xim number case ntawm cov khoom luam tawm kuj yog tuab thiab tag nrho, tshwj xeeb tshaj yog thaum twg cov khoom raug luam tawm, uas yog tsim nyog rau cov ntawv luam tawm, cov blocks xim thiab cov ntaub ntawv luam tawm. .
Qhov phom muam muaj peev txheej muaj zog, daim pam yog tsis yooj yim rau kev txaj muag, thiab cov kev sib txuam ntawm cov ntawv luam tawm me me. Feem ntau ntawm cov kev sib tw hauv cov menyuam yaus txoj hlua tuaj yeem raug muab tshem tawm los ntawm daim pam ntawm daim pam, thiab daim ntawv luam ntawv muaj lub neej ntev thiab lub siab ntev. Txawm li cas los xij, vim yog lub cev loj thiab xa tawm ntawm daim pam, nws yog ib qho yooj yim yuav tsum tau deformed, thiab cov ntawv luam tawm cov khoom tsis tsim nyog yuav tsum luam tawm, thiab nws tsis haum rau luam tawm cov khoom zoo. Cov kev cai rau cov neeg kho tshuab tsim precision thiab luam ntawv cov kev hloov kho siab tseem raug qis dua.
Lub tsev J1202, J2101, thiab German PZO-5 qauv muaj hlua nrog sab hauv.
Qhov thib ob, cov ntawv luam ntawm tus neeg uas quav
l. Tawv thiab nruab nrab tawv tawv
Cov lag luam muaj meej meej, du thiab tiav, thiab muaj kev luam tawm reproducibility zoo, tsim rau luam tawm cov khoom zoo thiab cov khoom siv qib siab qib siab;
Geometry ntawm daim duab hloov me ntsis, qhov tshwj xeeb tshaj yog qhov dav ntxiv ntawm daim duab thiab cov ntawv phaj tseem ceeb me me; tus nqi ntawm tus cwj pwm uas tau txais hauv daim ntawv yog tsawg, thiab qhov tshwm sim muab tshuaj tsis yooj yim tshwm sim;
Cov phom luam yog yooj yim hnav thiab muaj tshuab luam ntawv tsawg kawg;
Tus nqi hloov pauv me me, thiab thaum siv daim pam, nws yooj yim rau kev ua si "lub qhov ncauj";
Thaum twg daim ntawv tais thiab pob tw, nws yog ib qho yooj yim uas tawg cov pam thaum muaj ntau cov ntawv;
Lub cav manufacturing precision yog siab. Txwv tsis pub, nws yog nquag rau "number case bar" los yog qias neeg phaj, muab tshuaj thiab lwm yam teeb meem.
2. Sab caj dab thiab nruab nrab mos phom
Qhov kev sib txhuam ntawm qhov tsis txaus yog qhov tsawg dua, cov ntawv xov xwm muaj kev ua haujlwm ntev; tus number case txheej yog thicker, tsim rau nruab nrab ntim ntawv ntawm cov kab ntim loj thiab khoom khoom; qhov tawm thiab deformation ntawm daim pam yog loj, cov dots yog yooj yim deformed thiab tsis du; qhov dav ntawm dav nraaj yog nce. Ntau; nws tsis yog yooj yim rau "nyuaj" thaum padding lub pam, tab sis qhov hloov ntawm lub pauv pauv loj loj; lub pam tsis yooj yim crushed.
Thib peb, txoj kev xav ntawm cov tub sab sab
l. Qhov sib npaug ntawm cov kab lus sib npaug
Qhov sib npaug-inch meem hauv kev tshawb xav yog raws li txoj kev xav ntawm linear tshaj tawm uniformity, namely! Raws li txoj kev xav, thaum lub npov yog dov, lub vojvoog ntawm peb lub khawm yuav tsum muab sib npaug los xyuas kom meej tias qhov ceev ceev ntawm peb lub rollers yog zoo tib yam, thiab tsis muaj ntawv cog lus thaum lub caij dov, yog li tau txais qhov zoo ntawm lub dov, luam phaj. Tom qab ob txoj kev hloov tsheb, nws yuav tsum muab siab hlo rau hauv cov ntawv luam tawm.
Txij li thaum lub thawv poom pauv tsis yog lub cev, tab sis ib lub cev hloov, thaum lub sij hawm luam ntawv, qhov taw tes ntxig yog kev nyuaj siab kom tsis txhob muaj kev vojvoog, qhov ntawd yog, cov lus ntawm lwm qhov chaw hauv thaj chaw uas tsis muaj dab tsi yog tsis sib npaug, yog li txoj kev xav ntawm txoj kab uas sib npaug sib npaug Lub vojvoog ntawm peb lub thawv ntawm lub kab txaij tsis sib luag, tab sis lub voos kheej kheej ntawm lub thawv pliaj yog me ntsis loj dua.
2. Qhov txawv ntawm txoj kab nruab nrab hauv lub qhov tsom
1 duab ntsuas qhov sib txawv
Thaum lub cev tsis sib thooj nrog rau tus elastomer, lawv tsuas muaj ib lossis ob lub ntsiab lus nrog sib npaug sib npaug, thiab cov ntsiab lus ntxiv tsis tuaj yeem sib npaug sib npaug. Yog li, qhov kev tshawb xav yog tias thaum ob lub thawv uas yog nyob rau hauv kev sib chwv, tsuas yog ib qho los yog ob lub ntsiab lus muaj tib txoj kab tawm tib yam, thiab lwm cov ntsiab lus yog inconsistent, thiaj li hais tias qhov chaw tawm lub plhaub ntawm lub phom thiab lub pog poom.
2Sites (Dimensions) txoj kev xav ntawm ntau diameters
Thaum qhov sib npaug ntawm lub cev sib npaug thiab lub cev tsho txhais tau ua ke, qhov stroke ntawm ib-ntev zog ntawm lub cev muaj zog yog ib nyuag ntev tshaj li qhov ntawm lub cev tsis ncaj vim yog qhov kev sib deformation ntawm lub cev lub cev. Nws yog precisely vim qhov tseeb tias lub voos kheej kheej ntawm tus kheej lub tog raj kheej ntau zog tom qab raug ntaus, nws raug npaj siab hais tias lub voj voog ntawm daim pam plhaub yuav tsum yog me dua lub voj voog ntawm lub tswv yim kheej kheej thiab lub plhaub lub tog raj kheej. Ntawd yog, phaj lub tog raj kheej yog qhov loj tshaj plaws, lub tswv yim kheej kheej yog qhov chaw khawm lub khawm yog qhov tsawg tshaj plaws, los yog pam poom pliaj yog qhov tsawg tshaj, thiab qhov ob lub yob sib npaug.
Qeb plaub, kev txiav txim siab ntawm lub nruas hlua
Qhov kev sib tw rau sab laj yog txiav txim los ntawm cov xim ntawm lub phom thiab lub thawv poom ntim nrog ib lub thickness ntawm cushion khoom raws li yuav tsum tau kho cov kis ntawm lub thawv thiab cov kev luam ntawv siab, kom lub zog yog tangent rau lub pitch lub voj voos. Koom rau hauv txoj haujlwm kom tau raws li cov kev xav tau ntawm kev ua haujlwm.
l. Txiav txim siab rau txoj ntsiab cai
1Qhov dej ntawm lub nruas tsis tsim ib txoj cai ntawm tus txheeb ze
Ntawd yog, txoj cai ntawm synchronous dov. Muaj peb lub chob nyob rau txhua pawg xim ntawm lub tshuab luam ntawv tshuab luam ntawv. Thaum peb lub ncuav uas sib txuas nrog txhua zaus thaum luam ntawv, txhawm rau xyuas kom zoo ntawm cov khoom, nws yuav tsum muaj qhov tsis muaj kev sib txhuam ntawm kev sib txhuam ntawm qhov chaw ntawm cov caj dab. Txawm li cas los xij, txij li peb lub thawv uas tau tsav los ntawm cov zog thiab lawv cov velocities (ω) yog sib npaug, los xyuas kom meej tias cov saum npoo tsis npleem, lub rolling radii (R rolls) ntawm cov riam yuav tsum sib npaug. Thaum lub nruas yog ib lub cev tsis txaus, lub vojvoog thiab lub vojvoog (R ntawm) ntawm qhov nruas sib npaug. Txij li thaum lub thawv poom pliaj nrog lub tsho caj dab, nws yog ib lub cev uas nws lub vojvoog tsis sib luag nrog nws cov vojvoog dawb, thiab lub plhaub lub tog raj kheej thiab lub tswv yim lub tswv yim yuav zoo ib yam li lub cev tsis sib luag.
Lub vojvoog ntawm cov menyuam yaus uas muaj feem cuam tshuam muaj feem rau qhov txo kab (λ) ntawm lub qhov phom rau cov menyuam yaus.
Namely: R roll = R ntawm + λ
R Dov: Dov ntiv taw
R ntawm: Dawb vojvoog
λ: tus nqi ntawm lub raj xauv ntawm lub cauj dej
2 nruas iav seem lub voj voog tangency txoj cai
Ntawd yog, lub ntsiab lus nruas chaw nyob. Lub zog rau ntawm lub tshuab luam ntawv offset yog kis tau los ntawm lub zog. Yuav kom paub tseeb tias qhov kev sib txuas ntawm kev sib kis thiab txo qhov kev qoj ntawm lub zog, lub zog yuav tsum muaj kev sib haum xeeb thiab kev tsav, uas yog, qhov chaw nrug ntawm lub nruas yog sib npaug rau qhov ntsuas ntawm ob lub nruas zog. Tus lej ntawm lub vojvoog ntawm lub voj voos. Txawm li cas los xij, hauv daim ntawv thov, qhov no tsis yog qhov teeb meem. Yog tias qhov chaw nrawm nrawm yog kho loj heev, ua rau muaj qhov sib txawv ntawm qhov sib txawv, qhov kev hloov mus rau sab nraud yog txo, cov iav hnyav tseem tuaj yeem muaj zog, thiab qhov khoom zoo thiab tshuab lub neej yuav poob rau kev sib txawv. .
3 lub hauv siab tsis ncaj
Kev sib tiv ntawm kev sib tsoo ntawm tus phaw twj (P) thiab pam lub tog raj kheej (B) yog hu ua phaj siab (λP-B), thiab kev sib chwv sib khawm ntawm lub pog lub tog raj kheej thiab lub tswv yim kheej (I) yog hu ua stamping siab (λB - Kuv), uas yog, kev luam ntawv siab. Feem ntau, cov ntawv luam siab siab tshaj qhov phaj siab ntawm 0.05-0.1 hli. Lub siab zoo yog thawj txoj hauv kev txiav txim siab lub nruas phaj. Kev kho yuav tsum tau noj kom tsis txhob muaj kev siab ntev, tshwj xeeb tshaj yog cov phaj siab yog qhov tseem ceeb tshaj plaws rau kev nthuav dav ntawm lub sijhawm. Kev tshaj tawm ntawm lub phaj ua rau cov ntawv teev lus nthuav dav kom zoo, yog li cuam tshuam tus luam ntawm xim thiab theem ntawm cov ntawv luam tawm.
2. Txiav txim siab rau txoj kev
Hauv cov ntawv thov, cov ntsiab lus saum toj no tuaj yeem tsis tau ntsib tib lub sijhawm, thiab tsuas qee tus tuaj yeem tau ntsib. Yog li ntawd, peb yuav tsum tau txais ib co kev ntsuas kev sim kom ua tiav cov ntsiab lus saum toj no, thiab qhov txawv yuav tsis zoo heev.
1 qhia txog lub suab ntxig ntawm kev sib hloov
Raws li qhov sib txawv ntawm qhov sib txawv, lub vojvoog ntawm peb lub tawb yuav khaws cia sib npaug thaum muab dov. Txawm li cas los xij, thaum lub thickness ntawm cov ntaub ntawv luam hloov, txoj hlua ntawm lub nruas yuav tsum kuj yuav tsum tau kho dua. Txawm li cas los xij, nws tsis yog yooj yim heev, yog li ntawd daim kabmob cov ntaub ntawv tau txiav txim siab los ntawm hom qauv no yog tsim rau cov khoom uas muaj ntev lossis feem ntau ntawm cov ntawv luam ntawv daim ntawv tuab tuab lossis daim ntawv tuab.
2 Qhov tshwj xeeb tshaj rau cov phaj, pam cuav
Nyob rau hauv txoj kev no, lub zwj ceeb ntawm qhov sib xyaw thiab lub chaw nruab nrab ntawm cov phaj luam tawm thiab daim pam lub tog raj kheej yuav txaus siab rau, thiab nws tsis hloov nrog qhov kev hloov ntawm cov thickness ntawm cov teeb meem luam, tab sis tus mob ntawm lub tswv yim kheej kheej thiab pam lub tog raj kheej tsis txaus siab. Qhov kom zoo dua yog thaum tha xim ntawm cov ntawv sau txog kev hloov pauv, cov phom ntawm cov phom luam thiab lub pog poom tsis tas yuav hloov, thiab qhov chaw nruab nrab ntawm cov phom lub tog raj kheej thiab pam poom tsis tas yuav hloov, thiab tsuas yog qhov chaw nruab nrab ntawm lub tswv yim kheej thiab lub thawv pam pauv yuav hloov. Qhov no ua rau nws yooj yim dua khiav lag luam thiab txuag teebmeem.
V. Soj ntsuam ntawm tuab ntawm lub qhov quav
Ob qho pam thiab cov ntaub ntawv cushioning yog elastomers. Qhov kev sib hloov ntawm lub cev thiab cov tensile deformation yog tus loj. Thaum ntsuas nrog ib txhiab-ib daim npav, yuav tsum tau ntsuas ntau lub ntsiab lus thiab qhov nqi nruab nrab yuav tsum tau txais. Nws yog qhov zoo tshaj plaws los mus siv ib lub voj voos cuav tag nrho rau ntsuas. Thaum qhov tuab thiab qhov chaw nyob ntawm qhov chaw ntawm lub nruas raug txiav txim siab, nws yog qhov zoo tshaj plaws kom tsis txhob hloov nws nquag los ua kom tiav cov ntaub ntawv thiab kev tsim qauv ntawm cov txheej txheem luam ntawv, yog li ua kom muaj qhov teeb meem ntawm cov ntawv luam tawm zoo, txuag tau ntau lawm sij hawm, thiab tsim kom muaj kev mob siab rau kev paub siv zuj zus ntawm kev tsim khoom siv.