Taxanaha Birta Daawaha ee Nashqadeysan
Codsiga la taaban karo
Saxanka jeeggu wuxuu leeyahay faa'iidooyin badan sida muuqaalka quruxda badan, anti-skid, xoojinta waxqabadka, badbaadinta birta iyo wixii la mid ah.Waxaa si weyn loogu isticmaalaa gaadiidka, dhismaha, qurxinta, dabaqa ku wareegsan qalabka, mishiinada, dhismaha maraakiibta iyo beeraha kale.Guud ahaan, isticmaaluhu ma laha shuruudo sare oo ku saabsan sifooyinka farsamada iyo qalabka farsamada ee saxanka jeegaga, sidaas darteed tayada saxanka la hubiyay ayaa inta badan lagu muujiyaa heerka qaabka qaabka, dhererka qaabka, iyo farqiga dhererka qaabka.Dhumucyada caadiga ah ee suuqa ayaa u dhexeeya 2.0-8mm, ballacyada guudna waa 1250 iyo 1500mm.
Kala soocidda
Kala soocida dhumucda
Saxan bir khafiif ah <4 mm (ka ugu khafiifsan 0.2 mm), saxan bir dhumucdiisuna tahay 4-60 mm, saxan bir ah oo dheeraad ah 60-115 mm.Ballaca saxanka khafiifka ah waa 500-1500 mm;ballaca saxan qaro waa 600-3000 mm.Nooca birta ee birta qaro weyn waxay asal ahaan la mid tahay saxanka birta ee dhuuban.Marka la eego alaabooyinka, marka lagu daro taarikada birta ee biriijka, taarikada birta kuleyliyaha, baabuurta wax soo saarka taarikada birta, saxarada weelka cadaadiska iyo taarikada birta ee lakabka sare ee cadaadiska sare, kuwaas oo ah taarikada birta ah, noocyada qaar ka mid ah taarikada birta sida baabuurta. Taarikada birta ah ee beam ( dhumucdiisuna 2.5-10 mm), nashqada taarikada birta ah (dhuuban 2.5-8 mm), taarikada birta ah, birta kulaylka u adkaysata, iwm.2. Saxanka birta ah waxaa loo qaybiyaa mid kulul iyo qabow-duuban iyadoo loo eegayo rogid.
Ujeeddo lagu kala saaray
(1) Birta birta ah ee birta ah (2) saxan bir kariye ah (3) saxan birta dhiseysa (4) saxan bir ah oo bir ah (5) saxan bir baabuur ah (6) saxan bir ah oo saqaf ah (7) saxan bir dhismo ah (8) saxan bir koronto ah (silikon) xaashi bir ah) (9) saxan birta guga (10) Mid kale
Lagu kala saaray qaab dhismeed
1. Birta saxanka ee markabka cadaadiska: Isticmaal raasamaal R si aad u tilmaanto dhamaadka fasalka.Darajada waxaa lagu muujin karaa dhibicda dhalisa ama kaarboonka ku jira ama walxaha isku darka ah.Sida: Q345R, Q345 waa barta wax-soo-saarka.Tusaale kale: 20R, 16MnR, 15MnVR, 15MnVNR, 8MnMoNbR, MnNiMoNbR, 15CrMoR, iwm. dhamaantood waxa ay matalaan waxyaabaha kaarboonka ah ama alwaaxinta.
2. Birta birta ah ee alxanka dhululubada gaaska: Isticmaal raasamaal HP si aad u tilmaanto dhamaadka fasalka, iyo darajada ay leedahay waxa lagu qeexi karaa dhibic dhalidda, sida: Q295HP, Q345HP;waxa kale oo lagu muujin karaa walxo daawaha ah, sida: 16MnREHP.
3. Saxanka birta ee kuleyliyaha: Isticmaal far yar oo g si aad u muujiso dhamaadka magaca astaanta.Heerkeeda waxaa lagu muujin karaa dhibicda wax-soo-saarka, sida: Q390g;waxa kale oo lagu muujin karaa kaarboonka ka kooban ama walxo daawaha, sida 20g, 22Mng, 15CrMog, 16Mng, 19Mng, 13MnNiCrMoNbg, 12Cr1MoVg, iwm.
4. Birta birta ee buundooyinka: Isticmaal far yar q si aad u muujiso dhamaadka fasalka, sida Q420q, 16Mnq, 14MnNbq, iwm.
5. Birta birta ah ee looxa baabuurta: Isticmaal caasimada L si aad u muujiso dhamaadka fasalka, sida 09MnREL, 06TiL, 08TiL, 10TiL, 09SiVL, 16MnL, 16MnREL, iwm.
Shaxda Miisaanka Aragtida Ee Saxanka Birta La Hubiyay
| Miiska miisaanka aragtida ee saxan bir la hubiyay (mm) | ||||
| Dhumucda aasaasiga ah | Weecinta la oggol yahay ee dhumucda aasaasiga ah | Cufnaanta aragtida (kg/m²) | ||
| Dheeman | Lentils | Digirta wareega | ||
| 2.5 | ±0.3 | 21.6 | 21.3 | 21.1 |
| 3. O | ±O.3 | 25.6 | 24.4 | 24.3 |
| 3.5 | 土0.3 | 29.5 | 28.4 | 28.3 |
| 4. O | ±O. 4 | 33.4 | 32.4 | 32.3 |
| 4.5 | ±O. 4 | 38.6 | 38.3 | 36.2 |
| 5. O | +O. 4 | 42.3 | 40.5 | 40.2 |
| -O.5 | ||||
| 5.5 | +O. 4 | 46.2 | 44.3 | 44.1 |
| -O.5 | ||||
| 6 | +O.5 | 50.1 | 48.4 | 48.1 |
| -O.6 | ||||
| 7 | 0.6 | 59 | 58 | 52.4 |
| -O.7 | ||||
| 8 | +O.6 | 66.8 | 65.8 | 56.2 |
| -O.8 | ||||
| Fiiro gaar ah: | ||||
| 1. Baaxadda saxanka birta ah waa 600 ~ 1800mm, darajaduna waa 50mm;Dhererkiisu waa 2000 ~ 12000mm, darajaduna waa 100mm. | ||||
| 2. Dhererka qaabka ma aha wax ka yar 0.2 jeer dhumucda substrate-ka.Baaxadda sawirka looma isticmaalin saldhig u ah hubinta alaabta la dhammeeyay. | ||||
| 3. Heerarka birta ee taarikada birta waxay waafaqsan yihiin GB/T700, GB/T712, iyo GB/T4171. | ||||
| 4. Qalabka farsamada ee taarikada birta ah lama dammaanad qaaday.Marka iibsaduhu leeyahay shuruudo, waxaa ku heshiin kara labada dhinac si waafaqsan heerarka khuseeya. | ||||
| 5. Saxanka birta ah waxaa lagu keenaa xaalad kulul oo duuban. | ||||
Heerarka La Xiriira
Marka loo eego heerka qaranka GB/T 3277 ee taarikada birta qaabaysan, dhererka qaabku waa inuu ka weyn yahay ama la mid yahay 20% dhumucda substrate-ka.
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