Home / Products / Drilling Rigs / Down-the-Hole Drilling Rigs / SDC170 Surface Down-the-hole Drilling Rig
SDC170 Surface Down-the-hole Drilling Rig

SDC170 Surface Down-the-hole Drilling Rig

The SDC170 fully hydraulic down-the-hole surface drilling rig is specifically engineered for large-diameter drilling operations in open-pit mines and quarries. It delivers safety, environmental compliance, stable performance, and high productivity, fully meeting the scaled drilling demands of mining operations. Equipped with the Sandvik HTRH6 rotary unit, it can effortlessly tackle diverse rock drilling challenges and adapt to complex working conditions. The CMS air compressor management and drilling control system significantly reduces fuel consumption. The fieldbus control system enhances information integration to ensure reliable operation, easy maintenance and minimized downtime. The high-efficiency dust collection system provides excellent dust removal performance, meeting green mining environmental requirements and maintaining a clean working environment. This comprehensive approach ensures efficient, compliant drilling operations.

Product Advantages

 

1. Large-Diameter Drilling for Quarry Production

The SDC170 supports a published hole diameter range of 138–178 mm, making it suitable for evaluation in quarry and open-pit mining projects that require larger-diameter surface drilling. Hole diameter selection should reflect bench height, blast design, rock properties, required fragmentation, and the planned drilling pattern.

Selecting the correct diameter can help align drilling operations with downstream blasting, loading, hauling, and crushing requirements. Before purchasing, confirm the target hole depth, drilling angle, hammer and bit configuration, and expected drilling output for your specific quarry.

2. Sandvik HTRH6 Rotary Unit

The SDC170 is equipped with a Sandvik HTRH6 rotary unit. The rotary unit is an important component of the drilling system because rotation must work together with the DTH hammer, drill pipe, and bit to maintain effective drilling operation.

Buyers should confirm the approved operating range, connection compatibility, maintenance requirements, and availability of replacement components for the offered configuration. Correct matching of the rotary unit and drilling tools is important when planning long-term equipment operation.

3. High-Pressure Air Compressor for DTH Drilling

The SDC170 has a published compressor specification of 24.6 m³/min at 24 bar. Compressed air powers the down-the-hole hammer and helps remove rock cuttings from the borehole. Air flow and pressure must therefore be matched to the selected hammer, drill pipe, hole diameter, and drilling conditions.

Insufficient air supply can affect hammer performance and cuttings removal, while an unsuitable operating point can increase energy consumption. Confirm the required air supply for the intended hammer and bit combination rather than comparing compressor pressure alone.

4. CMS Air Compressor Management and Drilling Control

The SDC170 incorporates a CMS air compressor management and drilling control system designed to coordinate equipment operation with drilling demand. Appropriate compressor management can help avoid unnecessary energy consumption when operating conditions change.

Actual fuel consumption depends on rock hardness, hole diameter, drilling depth, compressor load, engine operation, and maintenance. Request operating data under comparable drilling conditions when evaluating expected fuel costs or comparing competing quarry DTH drill rigs.

5. Fieldbus Control for Equipment Monitoring

The fieldbus control system supports information integration across the machine's control functions. For quarry operators and equipment managers, integrated monitoring can help with operational visibility, fault identification, and maintenance planning.

Before purchase, ask HCLH to confirm which operating parameters, alarms, diagnostic functions, and service information are available through the supplied control configuration. These details can help determine whether the system meets your maintenance and operational monitoring requirements.

6. High-Efficiency Dust Collection

Dry drilling in quarries can generate significant airborne dust, especially when working with hard and abrasive rock. The SDC170 features a high-efficiency dust collection system designed to capture drilling dust and support cleaner working conditions.

Effective dust management also depends on filter condition, maintenance intervals, rock characteristics, and site operating practices. Confirm filter specifications, replacement requirements, and any additional dust suppression measures needed to comply with local environmental and occupational health regulations.

7. Accessible Maintenance Layout

The SDC170 uses an open equipment layout that places routine maintenance points within reach. Easier access can help maintenance personnel carry out inspections and scheduled servicing more efficiently.

For continuous quarry operations, maintenance planning should include engine servicing, compressor inspections, hydraulic system checks, filter replacement, rotary unit maintenance, and drilling tool inspection. Confirm the manufacturer's recommended service intervals and spare parts arrangements before placing an order.

 

Applications of the SDC170 Quarry DTH Drill Rig

The SDC170 is designed for large-diameter surface rock drilling in quarries and open-pit mines. Its suitability for a specific project depends on the required hole diameter and depth, rock conditions, drilling pattern, air supply, and production target.

Stone Quarrying and Aggregate Production

Granite, basalt, limestone, and other quarry materials can require different drilling parameters according to rock strength, abrasiveness, and the intended blasting results. The SDC170's 138–178 mm drilling range provides a basis for evaluating whether the machine matches the quarry's blast-hole design.

Quarry operators should consider bench height, hole spacing, burden, target depth, expected meters drilled per shift, and the fragmentation requirements of downstream crushing equipment. The final hammer and bit configuration should be selected according to actual site conditions.

Open-Pit Mining and Production Blast-Hole Drilling

Open-pit mines need drilling equipment that can support planned production patterns and maintain availability across repeated drilling cycles. The SDC170 can be evaluated for mining projects requiring holes within its published diameter range.

Before selecting the rig, define the required drilling depth, hole inclination, daily production target, rock characteristics, and site operating conditions. Compressor performance, tool consumption, maintenance access, and spare parts availability should also be included in the evaluation.

Large-Scale Rock Excavation

Certain infrastructure and civil engineering projects require large-diameter rock drilling as part of excavation or blasting preparation. Equipment selection should account for project design, site access, ground conditions, required hole geometry, and applicable safety requirements.

Explore HCLH's Mining, Quarrying and Construction Applications for more information about the industries served by its drilling equipment.

 

How to Choose Quarry DTH Drill Rigs for Your Project

The right quarry DTH drill rig should match the drilling plan, not simply the engine rating or purchase price. Evaluate the following factors before requesting a quotation for the SDC170.

1. Hole Diameter and Maximum Drilling Depth

Start with the required hole diameter, depth, inclination, and drilling pattern. The SDC170 has a published hole diameter range of 138–178 mm. Maximum drilling depth is not specified in the published summary, so ask HCLH to confirm the achievable depth for your selected drill pipe arrangement and machine configuration.

2. Rock Type and Abrasiveness

Rock strength, abrasiveness, fractures, and geological variation influence penetration rate, bit life, and drilling stability. Provide geological data or previous drilling records when possible so the hammer and bit can be matched to the actual formation.

3. DTH Hammer and Drill Pipe Compatibility

The published SDC170 configuration includes 5-inch or 6-inch DTH hammers and 102 mm or 114 mm drill pipes. Confirm the approved combinations, connection specifications, and compatible bit diameters for your required hole size before ordering.

4. Compressor Air Flow and Pressure

Check that the compressor's air flow and operating pressure meet the requirements of the selected hammer. The SDC170 is specified at 24.6 m³/min at 24 bar, but actual drilling performance depends on the complete air delivery system, drilling depth, hole diameter, and rock conditions.

5. Daily Drilling Output

Estimate the number of holes and total meters required per shift. Include drilling time, machine repositioning, rod handling, inspections, bit changes, and planned maintenance when calculating the required equipment capacity.

6. Fuel Consumption and Total Operating Cost

Compare fuel use, drill bit consumption, hammer servicing, maintenance labor, spare parts, and downtime. The lowest purchase price does not necessarily result in the lowest cost per meter drilled.

7. Transport and Site Requirements

The SDC170 has published dimensions of 12,190 × 2,690 × 3,420 mm and an operating weight of 24,650 kg. Check transportation restrictions, loading arrangements, access roads, working space, and site ground conditions before arranging delivery.

8. Emission Requirements and After-Sales Support

The published engine specification is 335 kW, Tier III. Confirm the actual engine version and the emissions requirements of the destination market. Also establish spare parts availability, service arrangements, warranty terms, and the technical support available during operation.

 

SDC170 vs. SDC150 and SDC150H Quarry DTH Drill Rigs

HCLH offers three surface DTH drilling rig models with different hole diameter ranges, compressor specifications, and machine configurations. Comparing these parameters helps buyers narrow down suitable models before discussing detailed project requirements.

Parameter SDC150 SDC150H SDC170
Hole Diameter 115–152 mm 115–165 mm 138–178 mm
Drill Pipe Diameter 89 mm 76 / 89 / 102 mm 102 / 114 mm
DTH Hammer 4 or 5 inches 4 or 5 inches 5 or 6 inches
Air Flow and Pressure 18.5 m³/min at 22 bar 21 m³/min at 22 bar 24.6 m³/min at 24 bar
Engine Output 264 kW 264 kW; 294 kW optional 335 kW, Tier III specification
Operating Weight 16,500 kg 18,000 kg 24,650 kg
Product Details View SDC150 View SDC150H View SDC170

The SDC170 is the model to evaluate when the drilling plan requires hole diameters between 138 and 178 mm and a compressor specification of 24.6 m³/min at 24 bar. The SDC150 and SDC150H offer different published diameter ranges and compressor configurations that may better match other drilling requirements.

Compare the full Down-the-Hole Drilling Rigs range before deciding which machine to specify.

 

DTH Hammers, Drill Bits, and Drill Pipes for Quarry Drilling

Quarry drilling performance depends on the compatibility of the rig, rotary unit, DTH hammer, drill pipe, and drill bit. The selected components should match the target hole diameter, air supply, rock formation, and operating conditions.

DTH Hammers

The SDC170 lists 5-inch and 6-inch hammer options. Hammer selection should be based on the required hole diameter, compressor operating point, rock properties, and the approved configuration of the rig.

DTH Drill Bits

Bit diameter, button configuration, face design, and carbide grade affect penetration rate, hole quality, and wear life. Match the bit to the rock formation and drilling objective rather than selecting it by diameter alone.

DTH Drill Pipes

The published SDC170 specifications list 102 mm and 114 mm drill pipe options. Confirm pipe length, connection dimensions, and compatibility with the selected hammer and rotary system before purchasing replacement components.

Browse HCLH's Down-the-Hole Drilling Tools for related drilling components. When requesting a tooling recommendation, provide your rig model, required hole diameter, hammer size, drill pipe specification, and rock conditions.

 

How to Evaluate the Operating Cost of a Quarry DTH Drill Rig

For quarry operators, the total cost of drilling includes more than the initial equipment price. Fuel consumption, drilling output, tooling wear, maintenance, and downtime all affect the cost per meter drilled.

Fuel and Compressor Efficiency

Compare fuel consumption under similar hole diameters, rock conditions, compressor settings, and operating schedules. The SDC170's CMS air compressor management and drilling control system is designed to help manage equipment operation according to demand. Actual fuel savings should be verified using comparable field data.

Drilling Productivity

Record productive drilling hours, meters drilled per shift, completed holes, repositioning time, and interruptions. These figures help determine whether the rig meets the quarry's production schedule.

Tooling and Maintenance Costs

Include DTH hammer servicing, drill bit replacement, drill pipe wear, rotary unit maintenance, filter replacement, and other consumables in the operating cost calculation. Suitable component matching and scheduled maintenance can help reduce avoidable wear and downtime.

Calculate Cost per Meter

Divide total drilling operating costs over a defined period by the total meters drilled during that period. Include fuel, labor, consumables, maintenance, and relevant equipment costs. Use the same accounting method when comparing different drilling rigs to obtain a meaningful result.

 

Why Choose HCLH for Quarry DTH Drilling Equipment?

Beijing Haichuang Unite Technology Co., Ltd. supplies mining machinery, rock drilling equipment, drilling tools, and related spare parts for international customers. HCLH reports more than 20 years of experience in rock drilling and serves mining, quarrying, and infrastructure applications.

  • Multiple surface DTH rig options: Compare the SDC150, SDC150H, and SDC170 according to hole diameter, compressor capacity, and production requirements.
  • Large-diameter drilling configuration: Evaluate the SDC170 for drilling requirements within its published 138–178 mm range.
  • Related drilling tools: Discuss compatible DTH hammers, drill bits, drill pipes, and connection components.
  • Technical selection support: Review hole diameter, drilling depth, rock conditions, air requirements, and the intended application.
  • Procurement assistance: Confirm equipment specifications, accessories, spare parts, warranty terms, and delivery arrangements before ordering.

SDC170 Surface Down-the-hole Drilling Rig

Parameters

Hole Diameter (mm)

138-178

Drill Pipe Dia. (mm)

102 / 114

DTH Hammer (”)

5 or 6

Air Flow & Pressure(m³/min@bar)

24.6@24

Engine Output (kW)

335 (Tier III)

Dimension

12,190×2,690×3,420

Weight (kg)

24,650

FAQ

  • Do you provide technical support?

    Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

  • Sales Coverage

    We supply specialized products to customers worldwide.

  • Do you provide technical support?

    Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

Warranty Policy

We provide repair service if there is necessary

Payment Methods

30% advance payment,70% balance payment before shipment

Latest Products

We are dedicated to building a better future with you through meticulous and professional service!

Get in Touch