Ring bit Tunnel Forepoling Casing Advance

Ko te Forepoling, e kiia ana ko te marara ngongo, he tono hei whakakaha i te tuanui o te kauhanga i nga ahuatanga toka pakaru.Ko te punaha keri hekohangangongo ka werohia i roto i te taumahatanga hei hamarara, ka whakakiia ki te kohu.Ka taea e te KAT Casing System te taraiwa ngawari o nga ngongo casing ki te whenua me te iti o te tono taipana.I roto i nga wa hou ka taea te whakamahi i nga kaata kaata kaata mo nga reera kanohi tino roa.

Ko nga punaha KAT Casing te nuinga e whakamahia ana i roto i nga mahi tomua ko RoX+ 88,9/8, RoX 114,3/10 me RoX 139,7/10.

Ngongo ngongo

I te nuinga o te waa ko tetahi puranga he maha nga waahanga rino o te 1,5 - 3 mita

Hononga ma te miro

Wero werohanga mo te grouting

Nga taima o te pouaka paerewa: 88,9 - 114,3 - 139,7 - 168,3 mm

.Pilot Bits .Huihuinga Mowhiti .Nga Pouaka Drill .Nga Waahi Whakamata .Nga Waahi Toronga .Mono Grouting (potae mutunga) .Kaiwhakaurutau .Pourewa Whakarere .Te Whakahou i nga punaha keri

Waehere pūnaha	Kohanga				Moka mowhiti				Pilot bit		Miro
	[mm]	[i roto]	[mm]	[i roto]	[mm]	[i roto]	[mm]	[i roto]	[mm]	[i roto]
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	6 ¼	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