Heavy Duty Mining Solutions

YN27C Portable Rock Drill For Gold Mine Roadway Drilling

Empowering underground gold mining operations with autonomous, combustion-driven drilling technology. No compressors, no external power—just raw performance.

Featured Roadway Drilling Equipment

The Commercial Reality of Gold Mine Roadway Drilling

In the demanding realm of underground gold mining, roadway drilling represents the critical pathway to accessing high-grade ore veins. Roadways, or drifts, must be carved through some of the hardest geological formations on earth, including quartz, granite, and basalt. Historically, this development process required massive capital investments in heavy hydraulic jumbo drills and extensive pneumatic infrastructure. However, the commercial landscape of global mining has shifted.

Today, small-to-medium-scale gold operations and exploratory ventures face stringent budget constraints and challenging topographies. Transporting heavy machinery into remote mountain shafts or narrow, twisting tunnels is often logistically impossible. This is where the YN27C Portable Rock Drill proves to be an invaluable asset. By integrating a self-contained internal combustion engine, the YN27C eliminates the need for expensive air compressors, electrical grids, and high-pressure hose networks, drastically lowering both capital expenditure (CapEx) and operational costs (OpEx).

Key Commercial Advantages

Zero Infrastructure Setup: No heavy tow-behind compressors or piping networks required.
Unmatched Portability: A single operator can carry the entire setup into tight, low-headroom drifts.
Rapid Deployment: Start drilling blast holes within minutes of arriving at the face.
High Fuel Efficiency: Low gasoline consumption translates directly to minimized daily operating costs.

Deep Application Analysis: YN27C in Gold Mine Roadways

Gold mine roadway drilling is characterized by complex, variable rock conditions. Quartz veins—the primary host rock for gold mineralization—frequently exhibit high compressive strength and abrasiveness. The YN27C Portable Rock Drill is engineered to tackle these specific conditions. It utilizes a high-frequency percussion mechanism coupled with continuous rotation to shatter hard rock structures efficiently.

1. Blast Hole Drilling

The primary application of the YN27C in roadway development is drilling precise blast patterns. Its impact energy and rotation speed allow operators to drill holes ranging from 32mm to 42mm in diameter, perfect for receiving standard dynamite or emulsion cartridges. The integrated flushing system uses engine exhaust to blow rock cuttings out of the hole, preventing drill bit binding in deep drives.

2. Rock Bolting & Ground Support

Safety is paramount in underground mining. Once a roadway is blasted, the roof and walls must be stabilized immediately. The YN27C is widely used to drill anchor holes for split-set bolts and expansion shell anchors. Its lightweight design allows for comfortable vertical and angled drilling, ensuring miners can secure overhead rock formations quickly.

3. Secondary Rock Breaking

Blasting often produces oversized boulders that block loading areas or damage underground haulage equipment. The YN27C can be quickly switched from drilling mode to breaking mode. This dual-functionality allows operators to drill splitting holes or directly hammer and break down large rocks without switching tools, keeping the roadway clear.

Technological Evolution & Future Trends

The global mining equipment industry is moving rapidly toward automation and reduced emissions. For portable combustion tools like the YN27C, this means continuous refinement in fuel combustion efficiency. Modern iterations focus on optimized carburetors and advanced alloy materials that decrease heat generation and exhaust emissions in enclosed spaces.

Furthermore, ergonomics have become a focal point. Modern YN27C units incorporate vibration-dampening handles and balanced weight distribution to reduce Hand-Arm Vibration Syndrome (HAVS) among operators, aligning with global occupational health standards.

Global Mining Development Trends

As gold prices continue to fluctuate at historic highs, mining companies are looking to exploit deposits that were previously deemed economically unviable. Many of these deposits are located in ecologically sensitive or geographically isolated regions, such as the Andes, the African rift valley, or remote regions of Central Asia.

In these locations, heavy machinery footprints are heavily regulated or physically restricted. The trend is shifting toward low-impact, highly decentralized mining methods. The YN27C fits this trend perfectly. It allows operators to execute exploratory drilling, shaft sinking, and drift driving with minimal environmental disturbance and zero setup footprint.

Company Profile

SHENLI is a leading supplier of superior pneumatic tools for the construction, mining and industrial markets. Since 2005, the Shenley brand has been synonymous with quality and innovation.

For over a decade, the SHENLI brand has represented performance, innovation and quality in the pneumatic tool industry. The SHENLI product line now offers a complete line of pneumatic tools, a wholly owned factory, pneumatic tools and a full line of accessories. With superior product performance, as well as superior product and reliability, competitive pricing for factory direct sellers, exceptionally ergonomically designed tools and quality warranty terms, Shenley has become an industry leader. We take every customer's problem seriously so that we can solve our common problems, and choosing Shenley is just the beginning for you. SHENLI will provide reliable service and support through every step of the process from product consultation to final delivery.

Company Mission & Culture

Striving to be a world-class supplier of rock drill

Adhering to the development experience of pneumatic tools for many years, Shenli takes "customer first, service first" as the spirit of enterprise, and "strive to become the world's first-class rock drill provider" as the vision, constantly innovate technology, strive for perfection, and open up a broader market for customers.

Corporate Culture

More attentive: Work together, keep improving.
More Focused: With sincerity, you can achieve anything.
More thoughtful: Customer first, service first.
Dare to innovate: Keeping up with the times and forging ahead.

Global Success & Roadway Drilling Project Cases

Dutch Clients - Custom Roadway Drill Solutions

The Dutch customer came to our factory and was satisfied with the production equipment, raw materials as well as advanced processes that we have in place. The client then signed a custom order for 500 units of specialized drilling tools after being shown all of these great things about what is possible here at this facility! They hope long-term cooperation can occur between both parties moving forward since they are happy overall from their visit today.

U.S. Customers - Gold Mine Roadway Project Partnerships

The American customer visits our factory and has an in-depth negotiation to reach a long-term cooperation relationship. They selected our heavy-duty drilling units specifically to handle complex geological formations in their western states gold mine roadway development projects.

Japanese Customers - Collaborative Engineering for Drills

The Japanese customer was very satisfied with the factory equipment and production process. He also proposed that they work together on design, which would give them an edge over their competitors who do not have this partnership!

India Customers - Deep Roadway Drilling Operations

We are delighted that Indian customers have visited our factory to learn more about ISO 9001 certification, which opens up new opportunities for us to collaborate. We explained in detail which parts go to which products, and how many different assembly lines there are, and we all understood. He is looking forward to working with us. This is our first cooperation, and we still maintain a cooperative relationship.

Factory Tour & Production Excellence

Raw materials: All materials are sourced from domestic and international well-known suppliers, and the quality is free from any flaws.

Processing: We have all precision machining production lines, including high-precision CNC lathes, and multi-axis CNC milling machines. Machine tools are from well-known brands, and online quality assurance is performed at every step.

Heat treatment: All heat treatment activities are carried out in a sealed quench furnace with facilities including but not limited to carburizing, nitriding, volume quenching, annealing, and tempering.

Grinding Division

We have world-class grinding equipment that is capable of maintaining dimensions to within 3 microns. The grinding line includes state-of-the-art equipment including universal CNC grinding machines, cylindrical CNC grinding machines with process gauges, CNC internal diameter grinding machines, and universal CNC grinding machines.

Surface Treatment

We offer a range of surface treatment options painting and other processes. These processes increase the service life of the tools and provide them with an appearance that meets the customer's requirements.

Assembly & Commissioning

Assembly and testing are carried out by our dedicated team on custom-built assembly platforms and test machines. Each assembled rock drill is tested for torque, BPM, and air consumption. After successful testing, each machine receives a test certificate to ensure its quality.

Quality Control

Quality standard:

Customer satisfaction is achieved through the provision of 'zero defect' products and timely delivery.
Ensuring an orderly programme.
Increased production efficiency through the latest technology and equipment.
The company provides regular training to its employees in accordance with the defined objectives, training needs and requirements.

Shenli is ISO 9001:2015 certified. We strive to constantly monitor and improve our processes to ensure the highest quality products. Experienced quality inspectors use a variety of precision instruments and special gauges to test the dimensional and functional performance of all components. Regular internal and external quality audits are carried out to continuously improve quality.

Our Certifications

Epiroc Intellectual Property Certificate

CE certification is a mandatory conformity mark for certain products sold within the European Economic Area (EEA). CE stands for "Conformité Européenne" which translates to "European Conformity." The CE mark certifies that a product has met EU consumer safety, health or environmental requirements. CE certification also allows manufacturers to freely circulate their products within the EEA. ISO 9001:2015 is an international quality management system (QMS) standard that outlines requirements for a quality management system. The standard is designed to help organizations ensure they meet customer and regulatory requirements. Our factory has been ISO 9001:2015 certified since 2015, and all of our products are CE certified. This ensures that our products meet high standards of quality and safety, and that they can be freely circulated within the EU. CE certification and ISO 9001:2015 certification are just two of the ways we ensure that our products are of the highest quality.