Dhuunta Daloolka Qarax

Sharaxaad Gaaban:

Usha daloolista ee DTH/tuubyada qodista cadaadis sare oo loogu talagalay qodista, qodista ceelasha biyaha, macdanta

Fariinta iimaylka

Faahfaahinta Alaabta

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Dhuumaha daloolku waa tuubbo bir ah oo aad u xoog badan oo loo isticmaalo qodista.Iyadoo ku xiran habka loo qodayo iyo ujeedada qodista, tuubooyinka waxay ku yimaadaan dhumuc iyo dherer kala duwan, iyadoo dhererka ugu badan uu yahay 3-10 mitir.Tuubooyinka qodista ayaa mid mid la isugu geeyaa marka uu daloolku sii qoto dheer u galo sariirta.Si wada jir ah, tuubooyinku waxay sameeyaan xadhig dalool ah, kaas oo gaadhi kara ilaa dhawr kiiloomitir ilaa dhulka.

Dhuumaha dalool kastaa wuxuu ka kooban yahay saddex qaybood oo la wada alxanayo, qayb dhexe iyo laba qaybood oo dhammaad ah.Qaybta dhamaadka waxay ka kooban tahay lab ("pin") ama dheddig ("sanduuqa") dunta, kaas oo ogolaanaya isku xidhka laba tuubbo oo dalool ah.Xadhkaha laydhka oo dhan waxa la saaray culaysyo aad u sarreeya marka la qodayo, duntuna had iyo jeer waa qaybta ugu muhiimsan ee tuubo kasta.Haddii sabab kasta ay dunta lab iyo dhedig si sax ah isula jaanqaadi waayaan, duntu waxay u badan tahay inay jabto oo waxaad lumin doontaa dhammaan xadhiggaaga laydhka.

Cabbirka		Tirada magaca Lb/ft	Nooca miisaanka la xisaabiyay		Dhumucda gidaarka
gudaha	mm	Tirada magaca Lb/ft	lb/ft	kg/m	gudaha	mm
2 3/8	60.3	6.65	6.26	9.32	0.28	7.11
2 7/8	73	10.4	9.72	14.48	0.362	9.19
3 1/2	88.9	9.5	8.81	13.12	0.254	6.45
3 1/2	88.9	13.3	12.31	18.34	0.368	9.35
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
4	101.6	14	12.93	19.26	0.33	8.38
4 1/2	114.3	13.75	12.24	18.23	0.271	6.88
4 1/2	114.3	16.6	14.98	22.31	0.337	8.56
4 1/2	114.3	20	18.69	27.84	0.43	10.92
5	127	16.25	14.87	22.15	0.296	7.52
5	127	19.5	17.93	26.71	0.362	9.19
5	127	19.5	17.93	26.71	0.362	9.19
5	127	25.6	24.03	35.79	0.5	12.7
5	127	25.6	24.03	35.79	0.5	12.7
5 1/2	139.7	21.90	19.81	29.51	0.361	9.17
5 1/2	139.7	24.70	22.54	33.57	0.415	10.54