Ana yin allunan fiber na itace daga itace mai laushi da katako. Sharar gida daga samar da alluna, plywood, da kuma daga daban-daban itace sarrafa ne mafi sau da yawa amfani da su. Itacen da aka yanka ana dafa shi a cikin manyan tankuna masu girma, sannan a nitse kuma a bi da shi da nau’ikan ɗaure da maganin kashe ƙwayoyin cuta, bayan an yi shi a cikin matse mai zafi. Ƙwayoyin da aka danna suna da siffar rectangular da kauri akai-akai.
Ana amfani da waɗannan bangarori da yawa a cikin masana’antu da gine-gine a matsayin kayan zafi da sauti don bango, rufi da rufi. Hakanan za’a iya amfani da waɗannan bangarori don ɗaure bango, yin kayan da aka gina a ciki, kofofi, da sauransu.
Nau’i da aikace-aikacen faranti
An raba bangarori zuwa bangarori masu rufewa, waɗanda aka yi amfani da su don sauti da zafin jiki na bango da rufi; rufi-cladding, wanda aka yi amfani da su na ciki na bango, bangarori, da dai sauransu; Semi-wuya da wuya, waɗanda aka yi amfani da su na ciki cladding na ganuwar, rufi da bangare bango. Ana iya amfani da alluna masu ƙarfi don yin ƙofofi, kayan da aka gina a ciki, da sauransu.
Girma da iznin sabawa
Matsakaicin nisa don kowane nau’in bangarori shine1200 mm, yayin da tsayi3600 mm. A kauri daga cikin rufi alluna ne12,5;20kuma25 mm; insulating da shafi10kuma12,5 mm; Semi-wuya6kuma12,5 mm; wuya3kuma5 mm.
Ana ba da izinin karkacewa ta nisa ±5 mm; a tsawon ±10 mm; ta kauri: don rufi ±1,5kuma don insulating-cladding ±1,0 mm; don Semi-hard da wuya ±0,5 mm.
Ainihin alamar alama ta zahiri da inji na faranti an ba da su a tebur15, da kuma alamun bayyanar waje na faranti a cikin tebur16.
Alamomin bayyanar waje
** Tebur16: Alamun bayyanar faranti na waje**
| Nau'in faranti | Class | An ba da izinin zurfin shigarwa da tsayin fitowa, mm | Fiber a gefen faranti a cikin kuri'a (mafi yawa), % | Yanke sasanninta na faranti a cikin tsari (mafi yawa), % | Tabo a saman faranti a cikin tsari (mafi yawa),% |
|---|---|---|---|---|---|
| Insulating | I | 2 | Ba a yarda da su ba | An halatta su | |
| II | 3 | 10 | 10 | ||
| Insulation-rufin | I | 1,5 | Ba a yarda da su ba | An halatta su | |
| II | 2,5 | 7 | 7 | ||
| Semi-hard | I | 1,0 | Ba a yarda da su ba | An halatta su | |
| II | 1,5 | 5 | 5 | ||
| Suna da'awar | I | 0,5 | Ba a yarda da su ba | An halatta su | |
| II | 1,0 | 5 | 5 | ||
Ana ba da izinin shiga ciki da haɓakawa ga duk azuzuwan a cikin jimlar yanki har zuwa40 cm² kuma mafi3com. kan1 m². Zaɓuɓɓukan da ke kan gefuna kada su fi tsayi25 mmzuwa karshen allon. Tsawon bangarorin ɓangarorin da aka karkatar da su tare da kowane haƙarƙari na farantin kada ya wuce50 mm.
Maganin saman
An haɗa bangarorin da kyau tare, an rufe su da yankakken vene, fentin, fenti da goge.
Maudu’ai masu alaƙa: shafi na al’ada, kofar katako da gilashin katako.