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Multi-arm tunneling drilling rig is designed to support demanding underground excavation work with a practical and coordinated structure. As a professional Roadheader for underground mining, it combines powerful drilling capability, flexible arm movement, and stable operation to help improve efficiency in complex working environments. The multi-arm configuration allows operators to handle different drilling positions while maintaining a more organized workflow.

Built for challenging tunneling applications, the rig focuses on structural durability, operational flexibility, and convenient maintenance. Its design can adapt to mining tunnels and other underground projects where working space, rock conditions, and equipment mobility require careful consideration. The integrated system helps connect drilling, positioning, and machine movement into a more efficient excavation process.

For contractors and project operators, equipment selection should always consider actual geological conditions, tunnel requirements, transportation arrangements, and maintenance needs. This Multi-arm tunneling drilling rig can be evaluated according to specific project applications, with professional support available for product selection and customization. Contact the supplier to learn more about the Roadheader for underground mining and discuss a suitable solution for your project.

The large-scale tunneling drilling rig adopts a modular design, making it easy to transport and relocate. It is suitable for tunneling operations in fields such as medium- and large-scale mining, highway and railway construction, water conservancy and hydropower projects, and defense tunnel construction.

External dimensions

Model	A(mm)	B(mm)	C(mm)	D(°)	E(°)	F(mm)	G(mm)	H(mm)	I (mm)
CY-T313C	15697	3810	442	16	16	2600	3500	900	2200
Model	J(mm)	K(mm)	L(mm)	M(°)	N(°)	P(mm)	Q (mm)	S(mm)	T(mm)
CY-T313C	500	3134	8500	4000	40	10000	7800	4200	3500

Performance parameters

Project		Unit	Numerical value
Project		Unit	Slotting	Excavation (Composite Beam)
Job Parameters	Soldering tip	/	T60	R38/T38
	Aperture	mm	127~180	38~64
	Maximum impact power	kW	35	18
	Maximum Torque	N.m	2285	1050
Rock drill parameters	Total length	mm	5310	4910
	Drilling depth	mm	6300	6000
	Propulsive force	kN	20	15
Walking parameters	Promote compensation	mm	1800
	Advance beam flip	°	360
	Drill arm pitch	°	-25/55
Power parameters	Diesel engine power	kW	96
	Departure angle	°	16
	Approach angle	°	16
	Maximum climbing ability	°	14
	Walking speed	km/h	3.7

Project		Unit	Numerical value
Project		Unit	Slotting Excavation (Composite Beam)
Electrical System	Host power	kW	55/75
	Voltage	V	1000
	Frequency	Hertz	50
Hydraulic system	Maximum system pressure	bar	250
	Hydraulic oil tank volume	L	480
	Filtration accuracy	micrometer	10
Water supply system	Motor power	kW	7.5
Water supply system	Maximum flow	L/min	400
Gas supply system	Rated power	kW	11
Gas supply system	Maximum flow	L/min	1970

Technical Features

Deep single-drilling depth	Wide scope of work	Coordinated operations for slotting and rock drilling
Adopting a composite extended-propeller design, the drilling blast holes can reach a depth of up to 6 meters.	Adopting a dual-propeller design, it provides wide coverage for rock excavation.	Three arms with independent control enable simultaneous and coordinated operations for slotting and tunneling.

Keywords:

CUTTING TUNNEL JUMBOCY-T313C

Roadheader for underground mining china

Large tunneling drilling rig

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