API 7-1 Roller Reamer e nang le rolara ea Mofuta oa B le Mofuta oa F le Mofuta oa T

Tlhaloso e Khutšoanyane:

Qaqiso ea Sehlahisoa

Li-tag tsa Sehlahisoa

Kopo ea Sehlahisoa

Roller Reamer e etselitsoe ts'ebetso e fapaneng ea ho lahla empa haholo-holo bakeng sa merero ea ho tsitsisa ha ho chekoa ka mekhoa e matla haholo. E tla lekana boholo ba masoba ho tloha ho 4 5/8 ho isa ho 26inch. Ho phaella moo, 'mele o mong le o mong ka ho lokisa li-block habonolo le khetho e nepahetseng ea li-cutter, o tla tšoanela mefuta e mengata ea masoba.

Mofuta oa sehlahisoa

Ho fanoa ka mefuta e meraro e fapaneng (T,F le B) ea li-cutter:

Mofuta oa T: E siloa, e entsoe ka meno a bohale a sefahleho se thata bakeng sa ho etsa lintho tse bonolo.
Mofuta wa F: E silwa, e sebetsoa ka meno a thata a sefahleho se bataletseng, bakeng sa dibopeho tse mahareng tse thata.
Mofuta oa B: E hlomelitsoe ka likonopo tsa tungsten carbide tse hatelletsoeng, bakeng sa libopeho tse thata.

Paramethara ea tekheniki

Boholo ba Lesoba (intshi/mm)	Khokahano. API	Molala OD (intshi/mm)	Bophara ba seha (intshi/mm)	Bolelele ba Sehahi (intshi/mm)	Bolelele ba Kakaretso (intshi/mm)
28" (711.2)	7 5/8 REG	9 1/2" (241.3)	7" (178)	15 3/4" (400)	112 7/8" (2867)
26" (660.4)	7 5/8 REG	9 1/2" (241.3)	7" (178)	15 3/4" (400)	118 7/64" (3000)
24" (609.6)	7 5/8 REG	9 1/2" (241.3)	6 7/32" (158)	15 3/4" (400)	110 15/64" (2800)
22" (558.8)	7 5/8 REG	9 1/2" (241.3)	6 7/32" (158)	15 3/4" (400)	105" (2667)
17 1/2" (444.5)	7 5/8 REG	9" (229)	5 1/2" (140)	12" (304)	88 39/64" (2200)
12 1/4" (331.2)	6 5/8 REG	8" (203)	3 15/16" (100)	11 13/16" (300)	74 13/16" (1900)
8 1/2" (215.9)	NC50 (4 1/2 REG)	6 1/2" (165)	2 13/16" (71)	7 7/8" (200)	68 7/64" (1730)
6" (152.4)	NC38 (3 1/2 REG)	4 3/4" (121)	2" (50.6)	7 7/8" (200)	55 1/8" (1400)
5 7/8" (149.2)	NC38 (3 1/2 REG)	4 3/4" (121)	1 13/16" (46.2)	7 7/8" (200)	55 1/8" (1400)