Silikoon Carbide Xumbo-xumo-xumo ah Shaandheeyaha dhoobada
Alaabta shaandhada dhoobada xumbo waa alaab dhoobo ah oo leh qaab dhismeedka xumbo u eg oo lagu sameeyay habraac gaar ah. Waxay leeyihiin faa'iidooyin badan sida guryaha kiimikada deggan, xoogga sare, caabbinta heerkulka sare, caabbinta shoogga kulaylka wanaagsan, iyo meel gaar ah oo gaar ah. Aad ayaa loo isticmaalaa. Xagga birta, shubista, ilaalinta deegaanka iyo qaybaha kale.
| Qaabka | WAA JIRAY | BHS-1 | BHS-2 |
| Qalabka | Alumina (Al2O3) | Silicon Carbide (SiC) | Silicon Carbide (SiC) |
| Ku habboon shaandhaynta noocyada birta dhalaalaysa | Aluminium aluminium | Daawaha naxaasta ah, shubista birta cawl | Ductile Iron tuurista |
| Heerkulka shaqada (℃) | 1200 | 1500 | 1550 |
| Cufnaanta daloolka (ppi) | 10 ilaa 40 | 8 ilaa 25 | 8 ilaa 25 |
| Sifeynta birta halbeeg kasta (kg/cm2) | 1. 1.5 | 3～5 | 3～5 |
| saamiga unugyada furan (%) | 80-90 | 80-90 | 80-90 |
| Awood cadaadis leh heerkulka qolka (MPa) | ≥0.8 | ≥1.0 | ≥1.2 |
| Cufnaanta weyn (g/cm3) | 0.35 ilaa 0.5 | 0.35 ilaa 0.5 | 0.35 ilaa 0.5 |
Astaamaha:
1. Yaree heerka diidmada tuurista oo yarayso cilladaha porosity
2, waxay leedahay saamayn shaandhayn aad u muhiim ah
3. Hagaajinta awooda makaanikada ee tuurista
4. fududee nidaamka gating oo wanaaji heerka isticmaalka ee template
5. Waxa uu leeyahay xadiga qulqulka birta ee weyn, heerka socodkana waa mid deggan
6. Xoog shaqo oo sarreeya heerkulka sare, caabbinta shoogga kulaylka iyo caabbinta saameynta socodka birta
7. Yaree wakhtiga mashiinka iyo waxyeelada qalabka
8. Wuxuu leeyahay saxnaansho cabbir aad u sarreeya.
Codsiga:
1. Ku rid koobka shubka ama hoose ee sprue
2. Waxaa si siman loo dul dhigaa orodyahanka, si birta dhalaalaysa loogu buuxiyo si habsami ah, iyada oo laga fogaanayo saamaynta tooska ah ee shaandhada ama si toos ah loogu dhejiyo orodyahanka. Heerka qulqulka birta dhalaalaysa waa mid degdeg ah waxayna leedahay awood buuxin wanaagsan.
3. Cabbirka shaandhada waa in lagu go'aamiyaa iyadoo loo eegayo arrimo ay ka mid yihiin qaabaynta iyo dhalaalinta iyo sifooyinka shaandhada lafteeda.
4. Madaxa tuurista waa in la xakameeyaa intii suurtagal ah si loo yareeyo saamaynta birta dhalaalaysa ee shaandhada
5. shaandhada waa in aan loo isticmaalin in ka badan heerkulka
6. Iska ilaali isticmaalka filtarrada si aad u xakamayso xawaaraha wax tuurista
Dooro cabbirka shaandhada iyo cabbirka mesh:
1. Tixgeli nadaafadda birta dhalaalaysa iyo heerkulka ku shubaya
2. Tixgeli madaxa shubka birta oo xisaabi aagga xakamaynta socodka si aad u buuxiso shuruudaha wakhtiga shubista
3. Isku day inaad isticmaasho nidaamka gating furan si aad uga fogaato hawo-ku-xidhnaanta
4. Xisaabi oo dooro meesha shaandhada si waafaqsan awoodda shaandhaynta iyo ku shubista shuruudaha wakhtiga. Awoodda shaandhaynta ee xaashida dhoobada ee silikoon carbide ee dhoobada ah (Kg/cm2): Bir cawlan: 4.0 Birta birta ah: 2.0 Alloy birta shubka ah: 1.0-2.0
5. Birta guud ee cawlan waxay isticmaashaa 20ppi, birta ductile waxay isticmaashaa 10ppi. 15 ama 25ppi sidoo kale waa la dooran karaa, iyo xulashada mesh waxay la xiriirtaa arrimo badan oo ku saabsan shubanka dhabta ah.
Alaabooyinka la xidhiidha
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