Ana yin OSB ne da manyan ƙullun katako na ƙayyadaddun siffa da kauri bayan gluing da ɗora su ta hanyar da ta dace, sannan a matsa da zafi don samar da allon tsari mai nau'i-nau'i, kuma aski na saman yana daidaitawa tare da tsayi ko faɗin allon. .
A matsayin tsarin tsarin, masu amfani da kasar Sin sun yarda da OSB a hankali saboda ƙarfinsa (kusa da plywood), kwanciyar hankali mai kyau, kare muhalli, aikace-aikace masu yawa da kuma kyakkyawan aiki, wanda kuma yana inganta OSB a kasar Sin. cin gaban.
1. Shiri na OSB albarkatun kasa
Shirye-shiryen albarkatun kasa yana ɗaya daga cikin mahimman matakai a cikin samar da OSB. Bayan kwasfa da cire datti daga albarkatun itace, ana sarrafa shi a cikin aske da ake buƙata don samarwa. Yawancin lokaci tsawon gashin da ake amfani da shi don samar da OSB shine 100-120 mm, nisa shine 20-50 mm, kuma kauri yana kusan 0.6 mm. .
Daban-daban daga manyan katakon diamita da aka yi amfani da su wajen samar da OSB na waje, tushen albarkatun da ake amfani da su don samar da OSB a kasar Sin suna da fadi da yawa kuma nau'ikan suna da rikitarwa. Sun kasance ƙananan bishiyoyi masu girma da sauri da kuma adadi mai yawa na kayan aiki, irin su poplar, eucalyptus da itacen reshe. Ga ragowar katako, da sauransu.
1.1. OSB dogon samfurin flaker yana samar da manyan shavings
Samar da manyan shavings ta hanyar zobe-nau'in dogon itace mai tsayi shine tsarin gargajiya na tsarin shirye-shiryen kayan aiki na layin samar da OSB. Da farko, an aika da gundumomi zuwa injin peeling don kwasfa. Gudun katakon da aka kwaɓe suna wucewa ta cikin injin gano ƙarfe don cire katakon da ke ɗauke da ƙarfe. Ingantattun katakon suna shigar da dogon itacen Dogon katakon batch feeder, sannan a aika zuwa dakin yankan doguwar katakon bishiyu ta hanyar aski don aski.
Tsare-tsaren samfura da aka saba amfani da su sun haɗa da nau'in zoben wuka mai tsayin samfur, nau'in yankan kai nau'in samfurin mai tsayi mai tsayi da nau'in wuka mai tsayin samfurin, wanda daga cikinsu aikace-aikacen zoben wuka ya fi yadu. Nau'in zoben wuƙa mai tsayin samfurin planer ya ƙunshi sassa da yawa kamar tsarin ciyar da tsari, injin daidaitawa, matsi, ɗakin yankan hannu da babban motar tuƙi.
Ka'idar aikinta yayi kama da na fensir da wukar fensir. Bayan log ɗin ya shiga ɗakin yankan, ɗakin yankan dogon katakon katako yana ci gaba tare da dogo mai jagora cikin sauri akai-akai, sai kuma yankan zoben wuka mai jujjuyawar ciki tare da kutuwar katako. Wukake na jagora da ƙira don sarrafa tsayi, faɗi da kauri na shavings. Kauri daga cikin shavings samar da zobe-nau'in dogon itace flaker ne in mun gwada da uniform, siffar shavings ne mai kyau, da kuma fitarwa ne high, wanda ya dace da manyan-ikon samar da OSB samar Lines.

1.2. Fasahar sassa biyu na OSB don samar da manyan sassan aske
Bayyanar fasahar samar da aski mai girma na OSB mai matakai biyu ya canza tarihin baya na kawai yin amfani da itace mai girma a cikin samar da OSB. Za a iya amfani da ƙananan ƙananan kayan kamar itacen reshe, katako mai lanƙwasa, da tarkacen itacen da aka yi amfani da shi don aiwatar da gyaran itacen da ya dace da samar da OSB, yin kayan albarkatun OSB An fadada iyakokin, wanda ya sauƙaƙa ƙarancin kayan aiki ga masana'antun OSB. wani iyaka.
Fasaha shirye-shiryen shavings na kashi biyu ya kasu kashi biyu: mataki na farko shine wuce kayan albarkatun itace ta hanyar da aka kera na musamman don samar da manyan guntuwar itace da tsayin kusan 150 mm; Mataki na biyu shine a duba yankan manyan guntun itacen Cire datti, sannan a sarrafa manyan flakes tare da kauri na 0.6 mm da tsawon kusan 150 mm ta hanyar ingantaccen flaker na zobe.
Idan aka kwatanta da na gargajiya dogon itace flaker, da tsawon-kauri rabo na shavings sarrafa ta hanyar biyu-segion shiri shirye-shiryen aski ya fi kyau. Bugu da ƙari, ba kamar ƙullun rectangular da dogon itace mai walƙiya ta shirya ba, gefuna na shavings da aka shirya ta hanyar flaking mai matakai biyu ba daidai ba ne kuma ba a kusurwoyi masu kyau ba, kuma suna da matsayi mafi girma na tashin hankali.

2. Bushewar askewar OSB
Masu busar da OSB gabaɗaya suna amfani da bushewar tashoshi ɗaya. Fasahar bushewa na matsakaici-zazzabi na yau da kullun ba zai iya cika buƙatun busassun busassun na OSB na al'ada ba, amma kuma ana amfani da shi don bushewar bushewa mai kyau da ƙwanƙwasa manyan shavings a cikin albarkatun albarkatun OSB waɗanda za a iya yi wa ado.
An raba dukkan tsarin bushewa zuwa matakai uku: sashin bushewa kafin bushewa, sashin bushewa, da sashin daidaitawa don tabbatar da cewa ana sarrafa danshi na shavings na ƙarshe a kusan 2%. Yin amfani da iskar fan mai fita na na'urar bushewa, kyawawan askewa suna wucewa ta cikin na'urar bushewa da sauri saboda ƙananan girmansu da nauyi;
A ƙarƙashin aikin sau biyu na shebur a cikin na'urar bushewa da iska, shavings masu matsakaici suna cikin yanayin dakatarwa kyauta don kammala bushewa; yayin da manyan shavings suna juyawa tare da bangon ciki na bushewa don kammala bushewa. Lokaci da hanyar da aka bi suna da tsayi sosai, ta yadda danshin askin da a ƙarshe ya fito daga na'urar bushewa ya zama iri ɗaya.

3. Rarraba aske OSB
Akwai hanyoyi biyu na rarrabewa guda biyu, ɗaya shine don amfani da hanyoyin injiniyan don warware saututtukan gabaɗaya ko kuma saura da tsararru da tsararru daban-daban ta hanyar daidaita hanyoyin iska gudun. jerawa.
Askewar da ke fitowa daga na’urar bushewa gabaɗaya an kasu kashi biyu ne, ɗaya manyan aski ne waɗanda ke saukowa kai tsaye daga akwatin fitarwa na bushewar, ɗayan kuma aski mai kyau da ake hadawa a cikin busar da iskar gas ɗin wutsiya ana fitar da shi ana tattarawa. ta hanyar sake amfani da cyclone. Domin inganta aikin rarrabuwa, yawanci ana ba da shawarar raba rafukan shavings guda biyu don nunawa.
Kayan aikin tantance injina da aka saba amfani da su don tantancewar aski sun haɗa da allon ganga, sieve diski, da kuma juzu'i. Zaɓin kayan aikin nunawa na shavings don layin samar da OSB ya dogara da ƙarfin samarwa da siffar gashin gashi.

4. Girman askewar OSB
Abubuwan askewar da aka jera suna shiga busasshiyar aske silo na saman core Layer bi da bi. Don tabbatar da cewa aski ba su gada a cikin silo ba, an fitar da kayan da kyau kuma siffar gashin ba ta lalace ba, silo don adana kayan aski shine kayan da aka tsara na musamman a kwance. sito.
Akwai sandar tallafi a tsakiyar na'ura mai haɗawa manne, wanda aka tsara wasu adadin atomizing shugabannin kuma an sanya shi), manne, emulsion paraffin, wakili na warkewa da sauran abubuwan ƙari ana haɗe su tare da shavings a cikin injin haɗaɗɗen manne ta hanyar. shugaban atomizing.
Wurin jagora da aka ɗora akan bangon ciki na mahaɗin manne yana kawo ƙarfin tsakiya na askewar yana jujjuyawa tare da silinda zuwa alkiblar agogo a 11:00. Shavings sun gama girma yayin aikin faɗuwa kyauta, kuma aski a cikin mahaɗin manne zai bi hanyar mahaɗin manne. Ana kawo jujjuyawar silinda sama da ƙasa sau da yawa don maimaita girman girman.
5. Pavement na OSB shavings
Ana aika da askewar saman bayan an haɗa manne zuwa silo ɗin ma'aunin ma'aunin saman saman, sannan kowane kan shimfidar ya shimfiɗa shi. Tafarkin OSB na al'ada shine shimfidar tsari mai nau'i 3, wato, saman saman da na ƙasa da kuma babban Layer. Daga cikin su, hanyar shimfida shimfidar saman saman da kasa ita ce shimfidar shugabanci a tsayin daka, kuma manyan aski masu fadi da dogayen an yi su ne kai tsaye a kan shimfidar saman; Hanyar shimfida shimfidar shimfidar wuri ita ce shimfidar kwatance a kwance, kuma an yi shimfidar rarrabuwar kananun aski a kan babban Layer.
The auna naúrar za a iya hadedde a kasa na shavings metering silo, da metering bel sikelin shigar a kasan na pavement metering silo iya daidaita ciyar da adadin a cikin lokaci bisa ga sabawa na shavings girma yawa canji, don haka kamar yadda cimma madaidaicin iko, wanda shugaban buɗaɗɗen ya cika kai tsaye Tafarkin guntu na katako yana samar da tsarin katako.