Tunneling jumbo

4.2-10.2m2 small section of roadway operations,, Greatly improve the working environment., Improve the construction efficency. - details see: https://www.machineto.com/tunneling-jumbo-10313674

Condition:New	Type:Blasthole drilling	Place of Origin:Hebei China (Mainland)	Brand Name:HUATAI
Model Number:CMJ17	Usage:Coal	Application:Tunnel construction

CMJ17 hydraulic crawler drills mainly for coal, metal mining, nonferrous metals, water, electricity, railways, highways and other departments of the roadway, tunnel, culvert excavation project. The Drill can be used for 4.2-10.2 square meter small section of roadway operations, can greatly improve the working environment, improve the construction efficiency and construction quality.

Technology Specification

Item	Unit	Specification
Outside dimension (L x W x H)	mm	6550 x 960 x 1650
Hole depth (feed at once)	mm	1600/2100
Hole size	mm	φ33-φ42
Cross section (W x H)	m x m	3.5x3.5 ~ 2.0x2.0
Length of feeder	mm	3250 - 3750
Voltage	V	380/660
Travelling speed	KM/H	0 ~ 2.4
Qty. of drill boom	piece	1
Rock hardness		f6 ~ f16
Drilling speed	m/minute	0.8 ~ 2
Impact power	J	200
Climb capability	degree	≤16
Min. turning radius	mm	3000
Stabilization while drilling		by jack
Length of steel rod	mm	1975/2475
Total weight	T	≈5.3