Corrugated board chimwe chezvinhu zvakakosha mukugadzirwa kwecorrugated board. Hurombo husina kunaka hwemarata ebhodhi remarata huchaunza maumbirwo akasiyana-siyana emapuranga ane makora, ari nyore kunamira panguva yekudhindwa kwemichina uye kuita kuti bhodhi rebepa ribviswe uye kumanikidzwa kuvharwa kuti richeneswe; inki isina kuenzana, kuenzanisa kwemavara kusina kujeka, uye mikaha mupendero inopindirana yeruvara zviri nyore kuitika mukudhindwa kwemavara maviri kana kudhinda kwemavara mazhinji; saizi yekusimuka kweiyo yepamusoro uye yepasi groove pamushini wekudhinda inokonzeresa kupindirana kana kusaita musono wepamusoro uye wezasi zvivharo zvekatoni; kufa kwekucheka uye kudyisa kuchagadzirwawo Kukanganisa kwakadai sekunamatira uye saizi kusimuka kunogona kutungamira kune yechipiri tsvina yeakanaka paperboard, kana kukuvara kwemidziyo, uye kumanikidzwa kumira kupedzisa. Mune izwi, iyo yakashata flatness yepaperboard ichaita kuti kudyisa kuve kusagadzikana uye kukonzeresa kuwedzera kwechipiri tsvina zvigadzirwa mukugadzira.
Kuti uvandudze kupfava kwekirasi yezvinhu zvakakanyiwa, kuve nechokwadi chechiyero chakakodzera chemhando yechigadzirwa uye yakajairika kugadzirwa, tanga tichiyedza nekuongorora nguva dzose mukugadzira mabhokisi, uye takaona dzimwe nzira dzekuvandudza. Inopfupikiswa sezvizvi kunongedzera chete.
Kuonekwa kwe corrugated board ine yakashata flatness inogona kukamurwa kuita matatu marudzi: transverse arch, longitudinal arch uye arbitrary arch.
Transverse arch (Transverse arch) zvinoreva arch yakaumbwa ichitevedza gwara. Longitudinal arch inoreva arch inogadzirwa nebepabhodhi pamwe nekumhanya kutungamira kwemutsara wekugadzira. An arbitrary arch iarbitrary arch inochinjika ichitevedza mativi ose. Iyo arch iri pamusoro pepepa inonzi positive arch, iyo pamusoro pepepa remukati inonzi negative arch, uye iyo pamusoro pepepa remukati ine ups and downs inonzi positive and negative arch.
Zvinhu zvikuru zvinokanganisa kupfava kwepepa
1. Kune marudzi akasiyana uye mamakisi emapepa mukati. Kune kunze kwenyika uye kudzimba kraft bepa, kutevedzera kraft bepa, corrugated bepa, tii board bepa, yakakwirira-simba marata bepa, zvichingodaro, uye rakakamurwa kuita, B, C, D, e, giredhi. Maererano nekusiyana kwezvinhu zvemapepa, mapepa epamusoro ari nani kupfuura mukati mepepa.
2. Iyo huru tekinoroji parameters yemukati mapepa akasiyana. Tichifunga nezve mashandiro ekuita kwemakatoni kana kuderedzwa kwemitengo yevashandisi, bepa riri mukati memabhokisi rinofanirwa kuve rakasiyana.
(1) Kuwanda kwepepa mukati kwakasiyana. Mamwe mapepa epamusoro akakura kudarika emukati, uye mamwe maduku.
(2) Hunyoro hwebepa mupepa rechiso hwakasiyana. Nekuda kwehunyoro hwakasiyana hwemamiriro ekunze emutengesi, chekufambisa uye chekuverenga, hunyoro hwepepa repamusoro hwakakwira kupfuura hwemukati bepa, uye kune zvakare mamwe madiki.
(3) Huremu hwepepa uye hunyoro hwemukati hwakasiyana. Kutanga, bepa repamusoro rakakura kudarika bepa remukati, uye hunyoro hunodarika kana hushoma pane hwemukati bepa. Chechipiri, huremu hwepamusoro hwepepa hushoma pane bepa remukati, hunyoro hwemukati hwakakura kupfuura bepa remukati kana kushoma pane pepa remukati.
3. Hunyoro hwebatch rimwe chete repepa hwakasiyana. Hunyoro hwechimwe chikamu chebepa hwakakwirira kupfuura hwechimwe chikamu chebepa kana humburumbira, uye hunyoro hwekunze kwemupendero nepakati pepakati pepakati hwakasiyana.
4. Kureba kwekupisa kwepamusoro (kuputira angle) yepepa rinopfuura nemuchina wekupisa harina kusarudzwa zvakanaka uye rinogadziriswa, kana kureba kwekupisa kwepamusoro (kuputira angle) hakugoni kugadziriswa pasina. Iyo yekutanga nekuda kwekushanda zvisina kunaka, iyo yekupedzisira nekuda kwekushomeka kwemidziyo, inokanganisa preheating uye kuomesa maitiro.
5, hazvigoneke kushandisa dhizaini yekupfapfaidza mudziyo kana midziyo isina kupfapfaidza mudziyo nemazvo, kuitira kuti hunyoro hwemapepa hurege kuwedzera zvisina tsarukano.
6. Nguva yekubuda kwehunyoro mushure mekutanga kupisa haina kukwana, kana hunyoro hwezvakatipoteredza hwakakura, mhepo yemhepo yakashata, uye mutsara wekugadzira mutsara hauna kunaka.
7. Single side corrugating machine, glue muchina pahuwandu husina kufanira, husina kuenzana, uye kuunzwa kwepaperboard shrinkage isina kuenzana.
8. Kusakwana uye kusagadzikana kusimba kwemhepo, steam trap uye zvimwe zvinokuvadza zvinokuvadza kana mvura yepombi haina kuderedzwa, zvichiita kuti kushanda kwakajairika uye kwakagadzikana kwepreheater.
Tichifunga nezve dambudziko rekugadzirisa kupfava kwepepa, zvimiro zvemuviri, magadzirirwo emidziyo uye zvimwe zvine hukama uye maparamendi emapepa akawanda anowanzo shandiswa anoedzwa uye nekuongororwa muchidimbu.
(1) Rudzi rwakafanana rwebepa kuwanda kwekuwedzera, shrinkage yakaderedzwa zvishoma. Hukama huri pakati pekugoverwa, hunyoro uye kuderera kweimwe kraft bepa rinotengeswa kunze kwenyika, bepa remukati remukati, bepa retii bhodhi uye simba rakawanda bepa rakadzidzwa.
(2) The steam pressure inopihwa necorrugated board yekugadzira mutsara inoenderana zvakananga nekupisa kwepamusoro kwepreheater. Iyo yakakwirira mhepo yemhepo. Iyo yakakwirira tembiricha yepamusoro yepreheater iri.
(3) Pepa rine huwandu hukuru uye hunyoro hwepamusoro rinononoka kupisa uye kuoma, kana zvisina kudaro rinokurumidza. Iro bepa rine huremu hwakasiyana uye hunyoro hwemukati hunopisa uye hwakaomeswa pamhepo yekumanikidza 1.0mpa/cm2 (172 ℃) preheater.
(4) Kureba kwehurefu hwekudziya (kuputira kona) ndiko kuderera kwehunyoro. Hukama huri pakati pehurefu hwekudziya kwepamusoro uye hunyoro hwemukati mushure mekuomeswa kwehuremu hwakasiyana bepa nehunyoro hwe10% pa172 ℃ uye mutsetse wekugadzira we0.83 M / s.
(5) Mushure mekupisa, kunyorova kwepepa rekona rimwe-side kunonoka, uye poda yekudzoka kwemhepo ye fan inokurumidza. Hunyoro hwe220g / m2 uye 150g / m2 single-sided corrugated bepa ndeye 13% mushure mekupisa pa172 ℃. Munharaunda ye20 ℃ uye 65% humidity mugreenhouse, kukurumidza kwekubuda kwehunyoro hwechisikigo kunofananidzwa neiyo yekufemesa kwefan.
Mhedzisiro yebvunzo iri pamusoro inoratidza kuti kupera kwebepa kwakasiyana nehuremu hwakasiyana hwepepa uye hunyoro hwemukati, inova chinhu chakakosha chemuviri webepa. Nezvinhu zvakafanana, iyo paperboard iri nyore kuwana yakanaka flatness. Zvakapesana zvakaoma. Izvo zvinodiwa kuti titarise shanduko yezvishanu zviri pamusoro apa zvinhu uye kugadzirisa kwakakodzera. Iyo yakanaka kana yakaipa flatness zvinoenderana ne shrinkage rate yega rega repepa. Kuti uite kuti pepa bhodhi rive nani flatness, shrinkage rate yepepa rimwe nerimwe repepa rinofanira kunge rakafanana, pakati peiyo inonyanya kukosha mukati mepepa. Iyo shrinkage rate yepepa repamberi idiki pane iyo yemukati pepa, uye iyo yakanaka arched, kana zvisina kudaro iyo yakaipa arch. Kana iyo shrinkage rate yepepa yemukati isina kuenzana, ichava yakanaka uye yakaipa arch. Kubva pakuongororwa kwemaitiro ekugadzira mapepa mumutsara wekugadzira, kutonga kwe shrinkage kunogona kukamurwa kuita nhanho mbiri.
(1) Danho rekugadzira corrugation. Kureva kuti, maitiro kubva pakudyisa kune yechipiri gluing ndiyo nhanho yakakosha yekudzora shrinkage. Zvinoenderana nemamiriro chaiwo epepa, kumanikidza kwemhepo, tembiricha yekudziya uye humidity yeimwe neimwe tirairi, iyo paramita yekushisa kwekutanga kupisa, kureba kwenzvimbo yekudziya, kusanganisira kureba kwenzvimbo yekudziya, kugoverwa kwemvura kufefetedza, kupfapfaidza kwehutsi, huwandu hwegluing uye tekinoroji maparamendi eyekugadzira tambo yekumhanyisa mwenje inosarudzwa zvakateerana, kuitira kuti ese mapepa emapepa agone kuvharirwa zvakasununguka neakakodzera uye anoshanda maitiro ekudzora, uye yekupedzisira shrinkage chiyero chakafanana.
(2) Pepa rekugadzira danho. Iko ndiko, yechipiri gluing kune inotevera nzira yekubatanidza, kuomesa uye ironing. Panguva ino, mapepa ega ega haakwanisi kuderera zvakasununguka, uye kupera kwepepa rimwe nerimwe repepa rinorambidzwa kune rimwe nerimwe mushure mekunamirwa mupepa. Iyo yekubatanidza poindi inogona kunzi ndiyo yekutanga nzvimbo yepaperboard arch. Izvo zvinodikanwa kusarudza uye kugadzirisa tekinoroji paramita, senge glue huwandu, yekuomesa ndiro tembiricha, yekugadzira mutsara kumhanya, nezvimwe, kudzora mutsauko we shrinkage rate kusvika padiki, uye iron iyo arch chimiro chinogadzirwa nepepa bhodhi kusvika pazvinobvira. .
Chekutanga, zvinodikanwa kuti bepa rekutanga rakapihwa nemutengesi rinofanira kunge rakakwanisa uye rakagadzikana huwandu uye hunyoro hwemukati. Panguva yekufambisa uye kurodha uye kurodha, zvinodikanwa kuti uchengetedze hunyoro hwemamiriro ekunze panguva yekuchengetera mufekitori.
Imwe yacho ndeyekushandisa bepa rakafanana kana bepa rine huwandu hwakafanana, hunyoro uye giredhi zvakanyanya sezvinobvira.
Iwo matatu ndeokuti kureba kwenzvimbo yekudziya (kupeta kona) yeiyo preheated mvura hita ine unyoro hukuru hunowedzera, fan inofefeterwa, nguva yekugovera mvura inowedzera, kukurumidza kwemutsara wekugadzira kunodzikiswa, uye hunyoro hwepepa hunoderedzwa nekureba kwekudziya kwepamusoro peiyo preheater, iyo yakasikwa mhepo uye steam spray inoshandiswa kukurumidza mutsara wekugadzira.
Chechina, rimwe nerimwe bepa pahuwandu hweglue kuti urambe uchienderana, pamwe negwara rinotungamira pahupamhi hwakazara hweyunifomu uye mwero huwandu.
Chechishanu, mhepo yemhepo yakagadzikana, uye valve yekudhonza uye zvimwe zvigadziriso zvepombi zvinochengetedza mabasa akajairika.
Pane zvinhu zvakawanda zvinokanganisa flatness yecorrugated board. Zvinhu zve flatness zvinoshanduka kune mumwe nemumwe. Iko kuvandudzwa kunofanira kuitwa maererano nemamiriro emunharaunda uye kwakanangwa, uye kupokana kukuru kunofanirwa kubatwa nekugadziriswa. Izvi zvinotevera matambudziko akajairika mukugadzirwa kwepepa rimwe chete uye kaviri corrugated paperboard mufekitari yedu, semuenzaniso.
Zvinozivikanwa kuti: bepa repamusoro ndeye 250G / m2 giredhi 2A kraft bepa rine hunyoro hwe7.7%; mataira bepa ndeye 150g / m2 emumba yakakwirira simba makora mapepa ane mwando wegumi muzana; bepa remukati ndeye 250G / m2 giredhi 2B kraft bepa rine mwando we14%; kudzvinyirirwa kwemhepo kwe1.1mpa/cm2 mutsara wekugadzira mutsara we60m / min. Kuvandudza nzira:
(1) Kureba kwechirango (clip) bepa rinopfuura nepanzvimbo yekudziya yepreheater (kuputira angle) inowedzerwa ne1 kusvika 1.6 nguva uye 0.5 kusvika 1.1 nguva zvichiteerana.
(2) Iyo yepakati yekumhanyisa kufefetedza ye0.9Kw yemagetsi fan inogamuchirwa panzvimbo inofamba ye lining (clip) tile line pabhiriji rekugadzira mutsara, uye mahwindo emusangano anovhurwa kuti apinde mhepo.
(3) shoma shoma yekupfapfaidza inopfungaira pamatishu.
(4) Iko kumhanya kwemutsara wekugadzira yakaderedzwa kusvika pa50M / min.
Zvinoenderana nepamusoro pesarudzo paramita, iyo yepakutanga yakachinjika arch inogona kupera.
Iyo paperboard yakashata arched kubva kune longitudinal direction
Kuvandudza nzira:
(1) Pamberi pematatu-layer heater, kupikisa kwekufamba kwepepa retishu kunowedzera, uye simba rekutenderera rinotenderera re cylinder paper rinowedzera.
(2) Gumbo rekutungamira uye tension vhiri pamberi peatatu-layer hita inoderedza kuramba kwekufamba.
Mushure mekugadzirisa kwakakodzera, iyo yekutanga longitudinal arch inogona kupera.
Zvinozivikanwa kuti bepa repamusoro ndeye 200g / m2 giredhi 2B kutevedzera kraft bepa, hunyoro hwemukati ndeye 8%, mhepo yekumanikidza ndeye 1.0mpa/cm2, uye mutsara wekugadzira kumhanya i50M / min. Kuvandudza nzira:
(1) Hurefu hwepamusoro (sandwich) bepa rinopfuura nepanzvimbo yekudziya yepreheater inowedzerwa ne0.9 kusvika 1.4 uye 0.6 kusvika 1.12 nguva zvichiteerana.
(2) bepa rekuisa rinoderedza kureba kwenzvimbo yekudziya yepreheater kana kushandisa shoma shoma yekupfapfaidza.
(3) Iyo yekumhanyisa yemutsetse wekugadzira yakawedzera kusvika pa60m / min.
The paperboard is negative arch in longitudinal direction
Kuvandudza nzira:
(1) Bepa riri pamberi peatatu-layer preheater rinoderedza kuramba kwekufamba uye kutenderera kwebhureki simba rehumburumbira bepa.
(2) Gumbo rekutungamira uye tension vhiri relinen paper pamberi peatatu-layer preheater inowedzera kuramba kwekufamba. Mushure mekugadzirisa kwakakodzera, iyo yekutanga longitudinal arch inogona kupera.
Zvinozivikanwa kuti: bepa repamusoro i200g / M2b kraft bepa, hunyoro huri 13%; iyo (clip) tile bepa ndeye 150g / M2 yakakwirira simba corrugated bepa rine hunyoro hwegumi muzana; bepa remukati rakagadzirwa ne200g / M2b giredhi yekutevedzera kraft bepa rine mwando we8%; mhepo yemhepo ndeye 1.0mpa / cm2; iyo yekugadzira mutsara kumhanya ndeye 50M / min. Kuvandudza nzira:
(1) Hurefu hwepamusoro (sandwich) bepa rinopfuura nepanzvimbo yekudziya yepreheater inowedzerwa ne0.9 kusvika 1.4 uye 0.6 kusvika 1.1 nguva zvichiteerana.
(2) bepa rekuisa rinoderedza kureba kwenzvimbo yekudziya yepreheater kana kushandisa shoma shoma yekupfapfaidza.
(3) Iyo yekumhanyisa mutsetse wekugadzira yakawedzera kusvika 60m / min.
The paperboard is negative arch in longitudinal direction
Kuvandudza nzira:
(1) Bepa riri pamberi peatatu-layer preheater rinoderedza kuramba kwekufamba uye kutenderera kwebhureki simba rehumburumbira bepa.
(2) Iyo inotungamira kunetsana kweLiwa mutsetse pamberi peatatu-layer preheater inowedzera kuramba kwekufamba.
Kadhibhodhi iri mune yakanaka uye yakaipa arch
Kune marudzi maviri ezvakanaka uye zvisina kunaka arches, uye nzira dzekuvandudza dzakasiyana. Pano tinotsanangura chete akajairika akachinjika akanaka uye asina kunaka arches.
Nguva yekutumira: Mar-31-2021