Hoʻohana nui ʻia nā Swivels o ka rotary drilling rig e hāpai i ka pahu kelly a me nā mea hana wili. ʻO nā hui luna a me lalo a me nā waena waena o ka elevator i hana ʻia me ke kila kila kiʻekiʻe; Hoʻohana nā bearings āpau āpau i ka maʻamau SKF, i hoʻonohonoho kūikawā ʻia, me ka hana maikaʻi loa; ʻO nā mea hoʻopaʻa a pau nā ʻāpana i lawe ʻia mai, i kū i ka corrosion a me ka ʻelemakule.
Nā ʻāpana ʻenehana
Ana maʻamau | ||||||||
Hoʻohālike | D1 | D2 | D3 | A | B | L1 | Ka helu o nā bearings | ikaika huki (KN) |
JT20 | ¢120 | ¢40 | ¢40 | 43 | 43 | 460 | 3 | 15-25 |
JT25 | ¢150 | ¢50 | ¢50 | 57 | 57 | 610 | 4 | 20-30 |
JT30 | ¢170 | ¢55 | ¢55 | 57 | 57 | 640 | 4 | 25-35 |
JT40 | ¢200 | ¢60¢80 | ¢60¢80 | 67 | 67 | 780 | 5 | 35-45 |
JT50 | ¢220 | ¢80 | ¢80 | 73 | 83 | 930 | 6 | 45-55 |

Nā pono
1. ʻO ka swivel o ka rotary drilling rig he ʻano hoʻohui metala, a ʻo nā hui luna a me lalo, nā waena, a me nā mea ʻē aʻe i hana ʻia me ke kila kila. Ma hope o ka mīkini paʻakikī, e hoʻokō ʻia ke kaʻina hana wela ma mua o ka hana ʻana.
2. Lawe ʻia ʻo SKF a me FAG no ka halihali kūloko.
3. ʻO ka mea hoʻopaʻa inoa NOK,ʻaʻole hiki ke maʻalahi kaʻaila i loko o ka pahu i loko, aʻaʻole hiki ke maʻalahi ka lepo a me nā mea i loko o ka lua o waho, i mea e hōʻoia ai i ka hana maʻamau o ka halihali.

