Matsakaicin yumbura mai murabba'i an yanke su daga manyan alumina masu yawa (yawanci 92% ko 95% Al₂O₃) kuma an sanya su don matsananciyar taurin (HRA 85-90). Geometry ɗin su na lebur yana ba da damar mara tazara, tile-to-tile jeri, yana haɓaka kariya yayin rage adadin yanke da ake buƙata. Idan aka kwatanta da fale-falen fale-falen zagaye ko hexagonal, murabba'ai sun fi saurin girka kuma suna da sauƙin sauyawa a cikin filin, yana mai da su zaɓin da aka fi so don aikace-aikace mai girma, matsakaicin tasiri.
Ingantaccen Rufewa & Kariyar Sawa
Layukan murabba'i suna rufe kusan 100% na shimfidar wuri idan an shimfiɗa su daidai, suna barin sirara, madaidaiciya madaidaiciya. Fale-falen fale-falen fale-falen buraka, da bambanci, suna barin gibba mai siffar jinjirin wata da ke buƙatar filaye ko fallasa ƙarfe ga ɓarna. Fale-falen fale-falen hexagonal suna ba da ɗaukar hoto mai kyau amma suna buƙatar ƙarin hadaddun yankewa da daidaitawa.
Bayanin bayanai:A cikin madaidaicin murabba'in murabba'in murabba'in 10m², fale-falen fale-falen buraka (150 × 150 mm) sun rufe 98.5% na yanki tare da daidaitattun layukan ƙonawa mm 3. Fale-falen fale-falen fale-falen fale-falen buraka iri ɗaya suna rufe kawai 78% - sauran 22% dole ne a cika su ko kuma za su ɓace da sauri.
Saurin Shigarwa & Kudin Ma'aikata
Masu layi na murabba'i sune mafi sauri don shigarwa. Ba a buƙatar juyi ko ƙididdigewa - ma'aikata suna sanya su a cikin layuka kawai. Fale-falen fale-falen hexagonal suna buƙatar daidaitaccen jeri na kusurwa; Fale-falen fale-falen fale-falen suna buƙatar tazara a hankali don kauce wa wuce gona da iri.
Maganar masana'antu:ASTM C704 (Gwajin juriya) bai fayyace siffa ba, amma binciken filin ya nuna cewa ma'aikatan jirgin biyu na iya girka 40m2 na layin murabba'i a kowane motsi sama da 25m² na hexagons da 18m² na zagaye.
Tasiri Resistance & Siffar iyaka
Fale-falen fale-falen fale-falen suna da madaidaiciyar gefuna, wanda zai iya zama maki mai rauni a ƙarƙashin tasiri mai ƙarfi. Kararrawa sau da yawa suna farawa a sasanninta. Siffofin hexagonal da zagaye suna rarraba tasirin tasiri akai-akai saboda basu da sasanninta na digiri 90. Don yankunan da ke da tasiri mai ƙarfi (misali, bututun fitar da muƙamuƙi tare da duwatsun kilogiram 50 suna faɗowa 2 m), ana ba da shawarar siffa mafi ƙarfi ko haɗaɗɗen layin murabba'i (tare da goyan bayan roba).
Bayanin bayanai:Daidaitaccen fale-falen fale-falen fale-falen 92% (babu goyan baya) suna nuna guntuwar gefuna bayan watanni 3 a cikin farar fata na farko. Fale-falen fale-falen fale-falen fale-falen fale-falen daraja iri ɗaya sun wuce watanni 8. Koyaya, fale-falen fale-falen fale-falen fale-falen buraka tare da madaidaicin roba na mm 5 sun cimma watanni 12 - tsayi fiye da duka biyun.
Dogon Kulawa & Kudin Maye gurbin
Lokacin da fale-falen fale-falen fale-falen guda ɗaya ya fashe, ana iya cire shi kuma a maye gurbinsa ba tare da damun fale-falen fale-falen da ke kusa da shi ba – in dai mannen bai da ƙarfi sosai ba. Fale-falen fale-falen hexagonal da zagaye sukan kulle tare sosai, yana sa maye gurbin tabo mai wahala.
Misali:Wata masana'antar shirya kwal a West Virginia ta yi amfani da murabba'in 95% na alumina liners a cikin wata babbar hanyar watsa labarai mai nauyi. Bayan watanni 42 na aiki, kawai kashi 7% na tayal suna buƙatar maye gurbin. Kamfanin ya ceci dala 18,000 a cikin ma'aikata kuma ya kauce wa rufewa guda uku da aka tsara idan aka kwatanta da rufin zagaye da suka gabata.
Takaitaccen bayanin tallafi (ana iya gabatar da shi azaman tebur mai sauri a cikin ainihin labarin):
| Siffar | Rubutun (%) | Saurin shigar (m²/shift) | Juriyar tasiri (dangi) | Sauƙin gyara tabo |
|---|---|---|---|---|
| Dandalin | 98.5 | 40 | Matsakaici (mafi kyau tare da goyan bayan roba) | Babban |
| Hexagonal | 95 | 25 | Babban | Matsakaici |
| Zagaye | 78 | 18 | Babban | Ƙananan |
Nazarin shari'a (takaice, kamar yadda aka nema):
Aikace-aikace:Canja wurin dutsen farar ƙasa a wata masana'antar siminti a Kentucky.
Mai layi na baya:Fale-falen alumina na zagaye na 80 mm - ya kasa bayan watanni 9 saboda slurry shiga ta gibin jinjirin wata.
Magani:150 × 150 × 25 mm murabba'in 92% alumina fale-falen buraka tare da ƙirar gefuna masu tsaka-tsaki (ko da yake ba a cika cika ba, madaidaiciyar seams an kiyaye su kunkuntar).
Sakamako:Saitin layin murabba'in ya ɗauki watanni 27 - sau uku ya fi tsayin fale-falen fale-falen fale-falen - kuma ya kawar da rufewa biyu a kowace shekara. Ma'aikacin masana'antar ya ba da rahoton raguwar kashi 40 cikin ɗari na farashi masu alaƙa da layin layi na shekara.
