Ring bit Tunnel Forepoling Casing Advance

Forepoling, yomwe imadziwikanso kuti chubu umbrella, ndi ntchito yomwe imagwiritsidwa ntchito kulimbitsa denga la ngalandeyo pamiyala yosweka.Drilling dongosolo imakhala ndiposungiramachubu omwe amabowoleredwa mochulukira ngati ambulera ndikudzazidwa ndi grouting.KAT Casing System imalola kuyendetsa kosavuta kwa machubu oyika pansi ndikufunika kocheperako.M'mawonekedwe amakono komanso ma casings a fiberglass amatha kugwiritsidwa ntchito ngati ma ultra-atali facebolt.

KAT Casing Systems yomwe imagwiritsidwa ntchito kwambiri pofotokoza ndi RoX+ 88,9/8, RoX 114,3/10 ndi RoX 139,7/10.

Machubu a casing

Kawirikawiri mulu umodzi umakhala ndi zitsulo zingapo za 1,5 - 3 mamita

Kugwirizana ndi ulusi

Mavavu a jekeseni a grouting

M'mimba mwake wamba: 88,9 - 114,3 - 139,7 - 168,3 mm

.Pilot Bits.Misonkhano Ya mphete .Drill Rods .Zoyambira Zoyambira.Zowonjezera Casings .Grouting Plugs (zovala zomaliza).Adapter.Grouting Valves .Forepoling Drilling Systems

System kodi	Casing				Pang'onopang'ono				Pilot pang'ono		Ulusi
	[mm]	[mu]	[mm]	[mu]	[mm]	[mu]	[mm]	[mu]	[mm]	[mu]
RoX+ 76,1/4	76.1	3	4	0.157	52	2.047	90	3.543	66	2.598	R32
RoX+ 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	R32
RoX+ 88,9/4	88.9	3 ½	4	0.157	71	2.795	99	3.898	80	3.150	T38
RoX+ 88,9/8	88.9	3 ½	8	0.315	50.8	2.000	94.9	3.736	70	2.756	T38
RoX+ 101,6/10	101.6	4	10	0.394	65	2.559	110	4.331	79	3.110	T38
RoX+ 114,3/5	114.3	4 ½	5	0.197	91	3.583	128	5.039	102	4.016	T38
RoX 114,3/10	114.3	4 ½	10	0.394	73.5	2.894	120.30	4.736	92.5	3.642	T38
RoX 139,7/10	139.7	5 ½	10	0.394	94	3.701	145.70	5.736	117.5	4.626	T45
RoX+ 159,0/10	159.0	6¼ pa	10	0.394	119	4.685	169.0	6.654	137	5.394	T45
RoX+ 168,3/10	168.3	6 ⅝	10	0.394	127	5.000	182.3	7.177	147	5.787	T45
RoX+ 219,1/12,7	219.1	8 ⅝	127	0.500	167	6.575	234	9.213	191	7.520	T45
RoX+ GFRP 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	R32
RoX+ GFRP 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	T35