giraannada duubka carbide ee sibidhka ah (sidoo kale loo yaqaan tungsten carbide giraanta) ayaa leh hanti haynta kulaylka wanaagsan.Marka la barbar dhigo agabka kale, aad ayay uga wanaagsan tahay marka la eego kulaylka-iska-caabbinta,-iska-caabbinta iyo xoogga.Intaa waxaa dheer, engegnaantiisa wax yar ayaa hoos u dhigta heerka heerkulka sare.Sidaa darteed, siddo duudduuban carbide cemented waxaa la alifay la ap-pearance of xawaaraha sare ee ul siligga Mill.With horumarinta iyo hagaajinta, waxaa si weyn looga codsadaa in wax soo saarka ee silig xawaaraha sare, bar iyo bar birta qallafsan.
Ilaa iyo inta laga helayo agabka alaabtayada, waxaa jira laba taxane sida Wc-Co iyo Wc-Co-Ni-Cr kuwaas oo leh sifooyin farsamo oo dhamaystiran.Xoog qalooca iyo adkaanta saameyntu waxay gaadhaan 2200 Mpa iyo (4-) x106J/ m' siday u kala horreeyaan Waqtigan xaadirka ah, mishiinka dhammayntu wuxuu guud ahaan ka kooban yahay 8-10 istaag.Sababtoo ah cabbirka weyn ee dusha jaban ee qaybta duuban, kuleejka ku yaal safka hore ee wax-shiid kiimikaadka ayaa laga yaabaa inuu iska caabiyo waajibaad culus iyo saameyn xooggan.Sidaa daraadeed, adkaanta sare iyo caabbinta daalka kulaylka wanaagsan ayaa ah arrimaha aasaasiga ah, kuwaas oo ka hor inta aan la xirin-caabbinta. Iyadoo ay jiraan culeys yar iyo saameyn ku leh meelaha taagan, waa in aan fiiro gaar ah u siineynaa caabbinta xirashada iyo caabbinta kuleylka kuleylka ee duubista. faraantiWaqtigan xaadirka ah, mishiinka dhamaystirka guud ahaan wuxuu ka kooban yahay 8-10. Sababtoo ah xajmiga weyn ee dusha sare ee jabka ee qaybta duuban, daboolka ku yaala dhinaca hore ee mashiinka dhamaystirka ayaa laga yaabaa inuu iska caabiyo waajibaad culus iyo saameyn xoog leh.Sidaa darteed, adkaanta sare iyo caabbinta daalka kulaylka wanaagsan ayaa ah arrimaha aasaasiga ah, kuwaas oo ka hor inta aan la xidhin iska caabbinta.waa in aan fiiro gaar ah u yeelan doonaa caabbinta xirashada iyo iska caabinta daalka kulaylka ee giraangiraha duubka.
Tirada OD(mm) | Xajmiga lD(mm) | Xajmiga dhererka (mm) |
145-450 | 87-280 | 62-150 |
duub carbide Tungsten
Baaxadda dhexroorka dibadda: 154-450mm
Baaxadda dhexroorka gudaha: 87-280mm
Baaxadda dhererka: 62-150mm
Shaxda Gaarka ah ee Rolls la dhammeeyay
Dulqaadyada loo ogol yahay OD, ID, iyo Dhererka giraanta duubka (mm) | ||||
NOOCA | OD≤200 mm | OD> 200mm | ||
Darajo Wanaagsan | Fasalka caadiga ah | Darajo Wanaagsan | Fasalka caadiga ah | |
Dulqaadka OD | ±0.020 | ± 0.050 | ±0.030 | ± 0.050 |
Dulqaadka aqoonsiga | +0.020 | +0.035 | +0.025 | +0.050 |
Dulqaadka H | ±0.025 | ± 0.100 | ± 0.050 | ± 0.100 |
Fasalka ugu weyn ee TC birta shaabad giraanta farsamada oo leh cufnaan sare | ||||
Darajo | Cufnaanta (g/cm³) | Hardness (HRA) | TRS(Mpa) | Codsiga lagu taliyay |
YG4C | 15 | 89.5 | 1800 | Inta badan loo isticmaalo sida badhamada yar yar ee garaaca garaaca iyo sida galinta qashin-raadinta rotary si loo gooyo qaababka jilicsan, dhexdhexaadka ah. |
YG6 | 15.8 | 89.5 | 1700 | Inta badan waxaa loo isticmaalaa sida badhamada qaniinyada garaaca yaryar iyo kuwa dhexdhexaadka ah iyo sida gelinta qaniinyada rajada wareegga ah si loo gooyo qaabab jilicsan, dhexdhexaad ah. |
YG8 | 14.7 | 88.5 | 2300 | Inta badan waxaa loo isticmaalaa sida badhamada qaniinyada garaaca yaryar iyo kuwa dhexdhexaadka ah iyo sida gelinta qaniinyada rajada wareegga ah si loo gooyo qaabab jilicsan, dhexdhexaad ah. |
YG13C | 14.3 | 86 | 2500 | Inta badan loo isticmaalo sida galinta iyo badhamada tricone bits rotary-percussive bits iyo dhagaxyada laylida culus si loo gooyo qaababka adag ee dhexdhexaadka ah. |
YG15 | 14 | 86.5 | 2500 | Way ka xoog badan tahay, waxaana inta badan loo istcimaalaa galinta iyo badhamada rotary-percussive bits, dhagaxa culus ee laydhka si loo gooyo qaabab adag oo aad u adag.v |