Tapered Drill Rods
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Tapered laum cov cuab yeej tseem muab ib qho hexagonal chuck seem los muab kev txhawb zog rau kev sib hloov chuck bushing, uas feem ntau kuj muaj lub dab tshos forged los tuav lub ntsej muag kom zoo nyob rau hauv lub pob zeb laum, thiab sib tw me ntsis ntawm lub qhov (socket) kawg. Qhov feem ntau yog drilled nyob rau hauv 0.6 m increments kom haum raws li huab cua-ceg noj ntev. Nrog rau kev nkag siab dua, qhov ncaj dua, kev pab lub neej ntev dua thiab tus nqi qis dua ib lub meter drilled dua ib qho hlau, cov cuab yeej siv cov khoom siv sib txuas yog rub tawm kev lag luam los ntawm cov khoom siv tho steel, tshwj xeeb tshaj yog hauv kev siv mining thiab kev lag luam pob zeb.
Txawv pob zeb formations thiab pob zeb xyaum yuav tsum sib txawv taper ces kaum. Thaum drilling nrog kev cuam tshuam siab hydraulic pob zeb xyaum nyob rau hauv nruab nrab-nyuaj mus rau nyuaj thiab abrasive pob zeb formations, ib tug dav taper lub feem ntau siv. Taper lub kaum sab xis ntawm 11 ° thiab 12 ° feem ntau yog siv rau niaj hnub xyaum rigs. Rau qhov tsis tshua muaj kev cuam tshuam pob zeb xyaum thiab cov pob zeb softer, lub kaum sab xis nqaim ntawm 7 ° yog siv. Lub kaum sab xis 7 ° kuj tuaj yeem siv tau yog tias me ntsis spinning yog ib qho teeb meem thaum siv 11 ° thiab 12 ° khoom. Tsis tas li ntawd, lub kaum sab xis 4.8 ° (tseem 4 ° 46 ') yog qhov zoo tagnrho rau cov pob zeb mos thaum koj siv pneumatic lossis hydraulic laum rigs - txhawm rau tiv thaiv cov khoom los ntawm kev sib tw los yog ua kom tawg. Ib tus pas nrig yog siv los laum qhov luv luv (≤2.0m), thaum cov pas nrig hauv cov koob siv los tho qhov tob (txog 2.0m), kom tsis txhob muaj kev ntxhov siab ntau dhau.
Plato tapered laum rods tuaj nrog peb qib, thiab ntev muaj los ntawm 600mm (2') mus rau 11,200mm (36'8 "), ( ntsuas los ntawm dab tshos mus rau qhov kawg tapered).
Taper Rods Qib Recommended Table:
| Qib | Hom | Pom zoo tej yam kev mob |
| Superior | G III, T III, | 1) Pob zeb xyaum cuam tshuam lub zog: ≥76J, feem ntau qauv: YT28 2) Drilling qhov tob: ≥ 2.5 m (8' 2 27/64 ") 3) Pob zeb formations: nyuaj heev, nyuaj, nruab nrab nyuaj thiab mos pob zeb Protodyakonov Hardness Scale: f ≥ 15 Uniaxial Compressive zog: ≥150 Mpa 4) Hloov: G pas nrig, G I pas nrig, ROK |
| Ib txwm | G I, ROK | 1) Pob zeb xyaum cuam tshuam lub zog: ＜ 76 J, feem ntau qauv: YT24 2) Drilling qhov tob: ≤2.5 m (8' 2 27/64 ") 3) Pob zeb tsim: Nruab nrab nyuaj thiab mos pob zeb Protodyakonov Hardness Scale: f ＜15 Uniaxial Compressive zog: ± 150 Mpa 4) Hloov: G pas nrig |
| Kev lag luam | G | 1) Pob zeb xyaum cuam tshuam lub zog: ＜ 76 J, feem ntau qauv: YT24 2) Drilling qhov tob: ≤2.5 m (8' 2 27/64 ") 3) Pob zeb tsim: Nruab nrab nyuaj thiab mos pob zeb Protodyakonov Hardness Scale: f ＜10 Uniaxial Compressive zog: ± 100 Mpa |
Specification Txheej txheem cej luam:
| Qws Ntev | Taper Degree | ||
| Shank Style | mm | ko taw/inch | |
| Loj: 22 × 108mm | 500 ~ 8,000 | 1’ 8” ~ 26’ 2” | 7°, 11° and 12° |
| 25 × 108 hli | 1500 ~ 4,000 | 4'11' ~ 13'1' | 7° |
| Hex25 ×159mm | 1830-6.100 Nws | 6 ~ 20 hli | 7 ° thiab 12 ° |
Nco tseg:
1.Qhov kev sib txuas zoo tib yam taper degree yog 7 °, 11 ° thiab 12 °, lwm yam degrees xws li 4.8 °, 6 ° thiab 9 ° kuj muaj raws li kev thov;
2.Qhov zoo tib yam shank yog Hex22 × 108mm, Hex25 × 159mm thiab lwm yam qauv kuj muaj nyob rau ntawm cov neeg siv khoom thov;
3.Lub pas nrig ntev yuav tsum tau teev nyob rau hauv kev txiav txim;
4.In thiaj li hloov mus rau cov pob zeb sib txawv, lub laum pas nrig yog xaiv los ntawm cov neeg siv.
Yuav xaj li cas?
Shank Hom + Qws Ntev + Taper Degree
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