Which Long Hole Drill Rig is Right for Your Mining Needs?

Long hole drill rigs are crucial for underground mining operations. These powerful machines are designed to drill deep holes in underground mines, and then these holes are filled with explosives to break up the rock, allowing for easier and more efficient extraction. Choosing the right long hole drilling rig can be challenging due to the wide variety of models and features available. It’s essential to select a drill rig that meets your specific needs and maximizes productivity. In this article, we’ll guide you through the key factors to consider when selecting a long hole drill rig and introduce some of Siton's top-performing models.

First: Understanding Your Mining Project

Before selecting a deep hole drilling rig, it's essential to have a clear understanding of your mining project. Please consider the following aspects:

• Type of Metal Mine: Identify the specific type of underground mine and the rock hardness of the target metals. Some metals, like certain chemically reactive minerals, can be highly corrosive, and harder rocks may require more powerful deep hole drilling rigs. These factors will affect your choice of equipment.
• Dimension of Drifts: Knowing the size and layout of your drifts is crucial to ensure that the underground deep hole drilling rig you choose can fit and maneuver easily within your mine's infrastructure.
• Method of Excavating: The choice of excavation method, such as cut and fill, room and pillar, or block caving, can determine the specific functions you require from your hydraulic deep hole mining jumbo.

Key Parameters of Production Drill Rigs

When looking for deep hole production drilling rigs, please focus on the following key performance parameters for reference:

1. Dimension of Long Hole Drilling Rig: Ensure the rig can maneuver easily in the mine drifts. For smaller mines, compact rigs are ideal for narrow or restricted spaces.
2. Choice of Rock Drill: The rock drill is a crucial component of the face drill rig. Its design and quality can affect the efficiency of the drilling process and the overall lifespan of the production drill rig. Choosing a high-quality rock drill can improve performance and reduce maintenance costs.
3. Configuration of Feed Beam: This refers to the rig’s ability to support various drilling diameters, accept selectable drill rod specifications, and provide rod storage capacities. These configurations also influence drilling precision.
4. Hole Diameter and Depth: Determine the size and depth of the holes you need to drill. Different production underground mining drill rigs are designed to handle various diameters and depths.
5. Power and Efficiency: The power of the drilling rig’s motor and the efficiency of its hydraulic system can impact its performance, especially in hard rock conditions.

Recommend for You

Siton DL series underground production drill rigs, including the DL2, DL2-hs, DL4, and other models suitable for small to medium drifts, are designed for use in various drift sizes. These three typical models are equipped with a hands-free rod handling system and FOPS (Falling Object Protective Structure) Cab. These underground mining jumbos can drill holes with diameters ranging from 64mm to 89mm. The DL2 and DL2-hs can each drill holes up to 30m deep in a single pass, while the DL4 can drill up to 41.5 meters deep, thanks to its more powerful rock drills.

Siton DL2 Long Hole Drill Rig

DL2 long hole drill features a cantilever drill boom with an extendable arm, providing stability and versatility for long-distance drilling. The suitable cross-section (width x height) is from minimum 3m x 3m to maximum 4.5m x 4.3m. The rod bank can handle up to 11+1 pc rods for T38 shanks or 10+1 pcs rods for T45 shanks, with an additional rod for each type.

DL2-hs Deep Hole Drilling Rig

DL2-hs deep hole drilling rig adopts a unique design of Horseshoe Type Frame Boom. The suitable cross-section (width x height) is from minimum 3.2m x 3.2m to maximum 4m x 4m. Its rod bank can handle up to 27+1 rods, highlighting its larger capacity.

DL4 Long Hole Drilling Rig

DL4 long hole drilling rig is specifically designed for deep hole drilling used in medium to large drifts. The suitable cross-section (width x height) is from minimum 4m x 4m to maximum 5.6m x 5.6m. Its rod bank can handle up to 21+1 rods.

Case

Project Condition: Lead-zinc ore, cross section is 3.2x3.2 meters.

Siton DL2 long hole underground drill rig, equipped with Woserld hydraulic rock drill, the deepest hole can be drilled at one time is 44 meters, and 300 meters in one shift.

Project Condition: iron ore, cross section is 5x5 meters, the rock hardness is F12.

Siton DL4 mining long hole drilling rig, equipped with Woserld hydraulic rock drill, takes 1 hour to drill a hole of 30 meters. Adopt the fan-shaped hole arrangement, 22-24 holes in a row, single drill rod is 1.525m, each hole depth is about 9.2-41m.

Conclusion

Choosing the right long hole drill rig is important for the success of your underground mining operations. By considering your project’s unique requirements and the key performance parameters, you can select a rig that improves efficiency, safety, and productivity. Contact us now to learn more about our range of production drilling rigs and how we can support your mining goals.

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