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RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

    • RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling
    • RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling
    • RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling
  • RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

    Product Details:

    Place of Origin: China
    Brand Name: MIROC DTH Drilling Tools
    Certification: API
    Model Number: NRC Reverse Circulation DTH hammer

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 Piece Reverse Circulation DTH hammer
    Price: Negotiation
    Packaging Details: Wooden Box
    Delivery Time: 10-15 Days
    Supply Ability: 20000 pieces per month
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    Detailed Product Description
    Product Name: Reverse Circulation DTH Hammer Series: NRC Series DTH Hammer
    Size: 99mm - 126mm Diameter Dth Hammer Type: With Foot Valve, Without Foot Valve
    Use: Tunneling, Mining,Quarrying,Water Well Color: Green, Black, Orange, Blue, Golden Etc.

     

    Reverse Circulation DTH hammer With Fast Drilling Speed For Deep Exploration Drilling

     

    NRC series reverse circulation DTH hammer is the latest developed product of our company. It is mainly used for deep exploration drilling and core sampling.

     

    The Characteristics of RC Hammers

    RC series reverse circulation DTH Hammer is the latest developed product of our company. It is mainly used for deep exploration drilling and ore grade control.

    It has the following characteristics:
    1. Based on previous experience of ordinary hammers, combined with the features of reverse circulation hammer, optimized internal structure and ideal energy transfer, thus ensuring the series of hammers drilling with fast, smooth and continuous sampling.

    2. The internal structure is very simple with components of high rigidity, thus ensuring long life and easy maintenance of the hammer.

    3. The collection tube adopts an integrative design and can be replaced without disassembling the hammer. With carburizing treatment, it has good abrasive resistance.

    4. Equipped with bits designed with patent. Simply by replacing the drill bit, the same hammer can drill holes of different sizes ensuring that the sample is not contaminated.

    5. In difficult conditions such as loose soil, hard rock and plenty of water exists, sampling can be done well.

     

    Reverse Circulation Hammers​ Specification:

    Reverse Circulation Hammers
    Description Weight(kg)
    RC45 RC55 RC65 RC52
    1. Internal Circlip 0.03 0.04 0.05 0.04
    2. Air Screen 0.35 0.44 0.65 0.44
    3. Top Sub 6.50 9.65 20.00 9.65
    4. "O" Ring 0.01 0.02 0.02 0.02
    5. Sample Tube 5.10 6.72 12.50 6.75
    6. Check Valve 0.25 0.68 0.85 0.68
    7. Spring 0.04 0.12 0.10 0.12
    8. "O" Ring 0.01 0.02 0.02 0.02
    9. Air Distributor 0.85 1.48 3.50 1.48
    10. "O" Ring 0.02 0.01 0.02 0.01
    11. Internal Cylinder 2.20 4.12 4.20 4.12
    12. Piston 8.50 16.90 24.00 16.90
    13. External Cylinder 14.50 19.50 32.00 21.50
    14. Guided Sleeve 1.20 0.90 5.50 1.90
    15. "O" Ring - - - 0.02
    16. Stop "O" Ring - - - 0.01
    17. Stop Ring - - - 0.32
    18. Shrout - - - 1.86
    19. Drive Chuck 3.20 5.65 6.50 4.17
    20. Bit Retaining Pin 0.01 0.15 0.30 -
    21. Drill Bit 10.50 15.80 31.00 11.05
    Technical Data  
    Model NRC45 NRC55 NRC65 NRC52
    Length (Without Bit) 1020mm 1111mm 1250mm 1208mm
    Weight (Without Bit) 94.00kg 66.50kg 110.00kg 70.00kg
    External Diameter φ99mm φ126mm φ146mm φ126mm
    Bit Shank NRC45 NRC55 NRC65 PR52
    Hole Range φ114 - φ127mm φ133- φ152mm φ155- φ190mm φ133- φ146mm
    Connection Thread As required As required As required As required
    Working Pressure 1.0 - 3.0 Mpa 1.5 - 3.5 Mpa 1.5 - 3.5 Mpa 1.5 - 3.5 Mpa
    Impact Rate at 17 Bar 30HZ 35HZ 28HZ 35HZ
    Recommended Rotation Speed 25 - 40 r/min 25 - 40 r/min 25 - 40 r/min 25 - 40 r/min
    Air Consumption 1.0Mpa: 8 m³/ min 1.7Mpa: 16 m³/ min 1.7Mpa: 20 m³/ min 1.7Mpa: 16 m³/ min
    1.8Mpa: 12 m³/ min 2.4Mpa: 22 m³/ min 2.0Mpa: 26 m³/ min 2.4Mpa: 22 m³/ min
    2.4Mpa: 16 m³/ min 3.0Mpa: 28 m³/ min 3.0Mpa: 35 m³/ min 3.0Mpa: 28 m³/ min

     

    RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

    RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

     

    Applications
    1. Mine and quarry
    2. Road construction for the drilling and blasting work
    3. Water well drilling
    4. Slope protection

    RC545 Reverse Circulation DTH Hammers Nrc Series For Hard Rock Drilling

     

    Contact Details
    KSQ Technologies (Beijing) Co. Ltd

    Contact Person: katy.zhang@ksq-tech.com

    Send your inquiry directly to us (0 / 3000)

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