Mincon MR120 RC Hammer for reverse circulation africa gold drilling

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2022年07月30日

Mincon MR120-LA RC Hammer (4 1/2″ Metzke)

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Retrievable Type RC Reverse Circulation Drill Hammer Bits For Well Drilling

Mincon MR120 RC Hammer for reverse circulation africa gold drilling 

Roschen manufactures an extensive range of hammers for a variety of industries including construction, exploration, geothermal, mining, seismic, and waterwell. The company employs a whole quality philosophy which covers all aspects of design and manufacturing, ensuring only state of the art products leave their plants. Roschen hammers are known for their performance, reliability, and longevity.


Roschen Group limited is happy to assist with your Roschen hammer selection and to provide product support to keep you running long afterward. Contact us today!




Roschen DTH, Reverse Circulation Hammer mattch For Exploration Drilling 127-178 mm Bit



RC series reverse circulation 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.


 

Roschen RC Hammer Technical Data
DTH hammer typeHRC45DTH hammer typeHRC55HRC65HRC52
Length(with bit)1020Length(with bit)111112501208
Weight(less bit)94Weight(less bit)66.511070
External diameterΦ99External diameterΦ126Φ146Φ126
Bit shankHRC45Bit shankHRC55HRC65HRC65
Hole range(mm)Φ114-127Hole range(mm)Φ133-152Φ155-190Φ133-146
Connection threadupon drill the tube
Working pressure1.0-3.0MpaWorking pressure1.3-3.5Mpa1.3-3.5Mpa1.5-3.5Mpa
Impact rate at 1.7Mpa30HzImpact rate at 2.4Mpa35Hz28Hz35Hz
Recommended Rotation speed25-40r/minRecommended Rotation speed25-40r/min25-40r/min25-40r/min
Air consumption1.0Mpa8.0m3/minAir consumption1.7Mpa16.0m3/min20.0m3/min16.0m3/min
1.8Mpa12.0m3/min2.4Mpa22.0m3/min26.0m3/min22.0m3/min
2.4Mpa16.0m3/min3.0Mpa28.0m3/min35.0m3/min28.0m3/min


Reverse circulation drill bits technical specification
Drill BitBit Dia. (mm)NO.AirGaugeFrontWeightPart No.
HolesButtonsButtons(Kg)
HRC11528×φ148×φ1314HRC45-115
14028×φ168×φ1416.5HRC55-140
16528×φ188×φ1619.5HRC65-165
Mic13328×φ168×φ1417.5Mic-133
14028×φ168×φ1418Mic-140
14628×φ188×φ1420Mic-146
PR513328×φ168×φ1412.5PR5-133
14028×φ168×φ1413PR5-140
14628×φ188×φ1413.5PR5-146
PR411528×φ168×φ1314.4PR4-115
12728×φ168×φ1415PR4-127
13328×φ168×φ1415.5PR4-133





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