YG80 Drifter Drill
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YG80 Drifter Drill

●High efficiency and power: The YG80 drifter drill delivers a high impact frequency (≥37 Hz at a working air pressure of 0.63 Mpa).
●Large rotation torque: Enables efficient drilling in medium-hard to hard rocks (with a hardness coefficient of f=8~18).
●Easy Operation: Centralized control mechanisms for user-friendly operation.
●Strong Adaptability: Its excellent mechanical performance allows it to adapt to various complex environments.
●Wide Application:It's widely used in mining, tunnel engineering, and infrastructure construction.
●Quality Assurance:Backed by over 50 years of R&D and manufacturing experiencealongside strict quality control, it is a mature product proven over long-term market application.

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Product Introduction

introduction：

The YG80 rail-mounted rock drill is a professional device specifically designed for efficient rock drilling.Equipped with dual core advantages of strong impact force and high stability, it can significantly reduce operation time.The YG-80 heavy-duty track-type rock drill is used in conjunction with drilling platforms (vehicles) for drilling fan-shaped medium-depth blast holes in underground mining areas.After being paired with an open-pit drill rig, it can be used for medium and small open-pit mining operations, rock excavation projects, as well as auxiliary tasks such as cutting foundations and clearing isolated hills in large open-pit mines.This machine is suitable for medium-hard to hard rock (f=8~18), with a drilling diameter of 55~75 millimeters. The drilling speed is 150~200 millimeters per minute when the hole depth reaches up to 20 meters, and the maximum drill depth can reach around 30 meters.Using air pressure in the range of 5 to 7 kg/cm² provides optimal efficiency. It can be used for dry or wet drilling, and the direction can be arbitrary (downward work requires dust removal measures).

product specifications

weight	KG	69
length times width times height	mm	900×310×90
cylinder diameter	mm	120
Piston stroke	mm	70
Piston weight (including the nut)	KG	6.8

The pressure is 5 kg/cm²：

impact energy	kg·m	18
impact frequency	rpm	1750~1800
drill rod torque	kg·cm	1000
amount of gas consumption	㎡/min	8.5
tracheal diameter	mm	38
internal diameter of the pipe	mm	19
flush water pressure	Kg/cm²	3~5
drill hole diameter	mm	55~75
drilling depth	m	30
The dimensions of the drill tail.	mm	Φ38×97

Product features and applications

1.Product features:

• High-efficiency rock drilling: With a high impact frequency, the drilling speed is 20% faster than conventional models, reducing on-site waiting time.

• Stable and durable: Designed with a guide rail structure, it has minimal vibration during operation. Core components are made of high-strength materials, extending the equipment's lifespan.

• Bidirectional rotation: Equipped with a bidirectional rotation mechanism, combined with pneumatic bit clamping, it allows for convenient bit removal, reducing workers' labor intensity. It can be used with various jumbos or work platforms.

2.Application scenarios:

• Underground mining site fan-shaped medium-depth drilling: This equipment is specially designed to be used with drilling platforms or drilling rigs, mainly for rod connection drilling of fan-shaped medium-depth blast holes in underground mining sites. The drilling depth can reach up to 20 meters (with a drilling speed of about 150-200 millimeters per minute at this depth), and it can drill as deep as about 30 meters, making it very suitable for such working conditions.

• Open-pit mining auxiliary operations and stone engineering: After being paired with open-pit drillers, YG-80 can be used for auxiliary operations in small and medium-sized open-pit mining sites, stone engineering projects, and for tasks such as cutting foundations and clearing isolated hills in large open-pit mines. It is suitable for medium-hard to hard rocks (Poussin hardness coefficient f=8~18), with a typical drill hole diameter range of 55~75 millimeters.

• Rock-soil anchorage and geological disaster prevention: This model of drill rig is widely used in the construction of high-tonnage prestressed anchor holes and drainage holes for the slopes of hydropower stations, railways, and highways, as well as in projects for preventing landslides, rock collapses, and other geological disasters.

product details

Power system: stable power output, can flexibly adjust impact force according to rock hardness, suitable for different operational needs.

Rail structure: High-precision rails combined with smooth sliders ensure precise positioning of the drill bit during rock drilling, reducing deviations and improving hole quality.

Forging and heat treatment: Forging and heat treatment techniques enhance the hardness and toughness of core components.

Why choose us

1. Outstanding comprehensive performance: efficient, energy-saving, and low consumption.

Fast rock drilling speed: The optimized impact and rotation mechanism ensures extremely high drilling efficiency in medium to hard rock, directly shortening your project cycle.

Low energy consumption: Compared to similar products, our YG-80 provides strong power while consuming less compressed air, significantly reducing your long-term operating costs.

Easy operation: Humanized design makes the machine stable when starting holes, easy to operate, and the bidirectional rotation mechanism combined with the pneumatic rock drill release system allows for mobile rock removal, reducing the physical strain on workers.

2. Outstanding reliability and durability, long service life

Key component reinforcement: The piston, locknut, bushing, and other core vulnerable parts have undergone material and process reinforcement, resulting in higher wear resistance and lower failure rates.

Durable: The entire machine structure is robust, capable of withstanding harsh working environments, with long mean time between failures, making it a reliable 'partner' you can trust.

3. Strong adaptability, capable of handling various complex operating conditions.

Whether it is in the narrow tunnels of underground mines, or in complex environments such as surface quarries, railway tunnels, and water conservancy projects, YG-80 can consistently demonstrate its performance, truly being a 'jack-of-all-trades'.

4. Easy to maintain, with strong after-sales support

The structural design is reasonable: easy to disassemble and assemble, daily maintenance and replacement of parts are simple and quick, reducing downtime of the equipment.

Complete accessories and service system: We provide high-quality original parts and fast technical support to ensure that your equipment always remains in optimal condition, giving you peace of mind.

FAQ

Q: What precautions should be taken when using YG80?

A: The air pressure used by rock drills should be maintained at 5-7 kg/cm². If the air pressure is too low, the drilling efficiency cannot be fully utilized; if it is too high, the lifespan of the machine parts will significantly decrease. The compressed air used must be dry; if it contains too much moisture, it will wash away the lubricating oil film on the machine parts, affecting lubrication. An air-water separator should be installed on the compressed air pipeline to remove moisture from the compressed air.

In addition, the following two points should also be noted:

① The inner diameter of the hose should meet the specified requirements or use a slightly larger substitute.

② The hose should be as short as possible, reducing intermediate joints to eliminate leaks.

2,Lubrication: The rock drill operates under high-speed and high-load conditions, so it requires good lubrication. Otherwise, parts will wear out quickly, and it will also affect the drilling speed. Therefore, it must never operate without lubrication. Depending on different environmental temperatures, the following table recommends the use of specific lubricating oils.

atmospheric temperature	name	grade	kinematic viscosity (50°C) centistokes	freezing point	standard
10° ~ 30°C	engine oil	20,30	27~30	−10°C	SYB1104-64
<10°C	turbine oil	22,32	20~30	−15° ~ −10°C	SYB1201-60

3,drilling tools
The quality of the drill string greatly affects the efficiency of the rock drill, especially when the machine parameters are large and its performance is high, the quality requirements for the drill string are stricter. ① The drill shank specifications should meet the drawing requirements (Φ38×97), and the drill shank must be equipped with a sealing ring (CZ300-F101). If any failure is found, it should be replaced immediately to avoid water ingress inside the machine, which would affect lubrication and cause ice blockage at the exhaust port, impacting the rock drilling effect and powder removal capability.

② The mating surfaces of the drill shank and drill rod must be flat and in proper contact to ensure effective energy transfer; otherwise, leakage of water or air may occur. The threaded sections of the drill shank and drill rod should have a certain length and gap; too large a gap can easily cause damage, while too small a gap makes it difficult to install or remove the drill rod. The drill rod should be straight, as any deviation will increase friction between the drill rod and the hole wall, increasing resistance.

③ The internal hole of the drill string should be unobstructed. The alloy segments of the drill bit should be symmetrically welded securely. During operation, the drill tip should be kept sharp.

Q: What are the faults of low drilling speed, their causes, and how to troubleshoot them?

A: 1. Phenomenon: Both the machine and the drill are functioning normally.

Reason: low working pressure.

Exclusion method: Check the compressor and load to make them compatible.

Eliminate pipeline leaks or blockages, and check if the diameter specifications of the air path affect the airflow volume.

2,Phenomenon: Drilling speed suddenly decreases, and the drill rod rotation is abnormal.

Reason: Drill bit damage, chipping, or fragmentation.

Solution: Replace the drill bit.

Q: What are the common causes of machine malfunctions and their troubleshooting methods?

A: 1. Phenomenon: The machine operates normally but does not rotate in either forward or reverse direction.

Reason: The reversing mechanism's sleeve is stuck or the reversing sleeve pawl is broken.

Exclusion method: Unscrew the two plug caps (YG80-45) on the handle body, push the sleeve to check if it moves smoothly. If the sleeve moves smoothly, the handle body needs to be disassembled for inspection.

2,The machine is malfunctioning, sometimes starting up, sometimes stopping, or not turning at all.

Cause: Valve jamming, pawl breakage, or piston and cylinder scoring.

Exclusion method: Turn the drill tail by hand. If it can turn left and right, it is a valve issue. If it does not turn, disassemble the machine to find the cause.

3,The machine is making abnormal sounds.

Reason

Two long screws are not tightened or the tightening force is uneven.

Lubrication is poor (lack of oil in the oiler or too thick to flow).

The piston, cylinder, and guide sleeve experience slight sticking.

Exclusion method：

Check if the nuts are loose.

Check the lubrication (add oil to the oiler or adjust the oil output).

If it is not due to the above reasons, disassemble the machine to check and eliminate the problem.

4,The machine and drill tools are functioning normally, but the torque is low, the RPM is slow, and the drilling speed is low.

Reason

Ratchet pawl or helical gear teeth wear.