Rock Drill Pipe

Tsanangudzo Pfupi

DTH drill rod/drill pombi yakakwira pressure yekuchera, kuchera matsime emvura, migodhi

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Mapombi ekudhira ayo anoshandiswa mumashandisirwo akadai seDTH/ DTHR/ DR anonyanyo sanganisira pombi yesimbi ine pini kune imwe magumo uye bhokisi kune imwe.Basa repombi yekuchera ndere kufambisa torque inotenderera uye kusundidzira kubva pane chibooreso chinotenderera musoro kuenda pasi mugomba maturusi ekuchera.

Zvinoenderana nekushandiswa kwakasiyana, madhayamita akasiyana emachubhu ekuboorera anodiwa, zvakanyanya, diki sando dzeDTH dzinoda madiki DTH drill chubhu, zvinopesana.Kazhinji tiri kupa 50mm, 60mm, 76mm, 89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159mm.

Kazhinji tambo dzacho ndidzo dzakajairika API dzekubatanidza, senge 2 3/8 ″ API REG shinda, 3 1/2 ″ API REG shinda kana API IF shinda, nezvimwe.
Maererano nevatengi chikumbiro, kubva 1000mm kusvika 6000mm kureba pombi dziripo.

Size		Nominal mass Lb/ft	Yakaverengerwa uremu mhando		Kukora kwemadziro
mu.	mm	Nominal mass Lb/ft	lb/ft	kg/m	mu.	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