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Reverse Circulation Hammer
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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Model Number | MX5456 |
Remet Thread Hammer Well Drilling , Durable Borewell Drilling Hammers
Borewell Drilling Hammers Introduction
Accurate sampling Reverse Circulation (RC) drilling is gaining recognition and is already the most common mineral exploration drilling method used in many regions of the world. Combined with the Secoroc RC 45 hammer it is unbeatable for obtaining accurate and uncontaminated rock samples at high speed and low cost. SPM produces the complete RC drill string including hammer, bit and pipes, for both in-pit grade control and exploration drillers.
Reverse Circulation Drilling Hammers Key Features and Benefits:
. Patented mounting system for fixed internal components.
. An extremely sturdy shank with a short length allows for greater transfer of energy between the piston and bit.
. Variable chuck sleeve lengths for varying drilling conditions.
. Single piece sample tube assembly.
. Specially heat treated sample tubes over superior wear resistance vs. our competitors.
. Variable sample tube bore sizes allows the contractor greater flexibility in setting up his tool.
. Hardened wear sleeve for optimum wear resistance even in the most abrasive conditions.
. Multi-start threads on backhead and chuck ensure easy coupling/uncoupling of hammer.
. Metal sprayed chuck sleeve and wear sleeve options for greater wear resistance on outside circulation.
. All critical internal components are heat treated under strict control to maximize tool longevity.
. Ease of service with no special assembly or disassembly tools required.
Roschen RC Hammers Technical Parameters
| MX5456 RC Hammer Technical Data | ||
| Specifications | Metric | Imperial |
| Hammer Outside Diameter | 132mm | 5.2” |
| Hammer Length (Less Drill Bit) | 1165mm | 45.9” |
| Backhead Spanner Flat Size | 100mm | 4” |
| Drill Bit Shank Type | MX5456 | |
| Backhead Thread | 4 1/2” Metzke | |
| Drill Bit Size Range | 137mm - 146mm | 5.4” - 5.75” |
| Hammer Weight (Less Bit) | 77 Kgs | 170 Lbs |
| Maximum Drill Bit Weight | 18.7 Kgs | 41.2 Lbs |
| Piston Weight | 19 Kgs | 41.9 Lb |
| Make up Torque | 5288-7050 NM | 3900-5200 FT Lbs |
| Backhead Stand Off | 0.75mm | 0.030” |
| Recommended Minimum Air Package | 25.5m3/min @ 24.1Bar | 900cfm @ 350psi |
MX5456 RC Hammer Drill Bits:
| Diameter | Face Type | Part Number | Description | No. x Button Dia (inch) | Sample holes | Weight Approx. | ||||
| mm | inch | Outer | Face | Centre | Kgs. | Lbs. | ||||
| 137 | 5 3/8 | Concave | 5456137C10 | 5 3/8CC MX5456 BIT | 8*5/8 | 4*5/8 | 4*9/16 | 2 | 17 | 37.5 |
| 137 | 5 3/8 | Hard Formation | 5456137H10 | 5 3/8HF MX5456 BIT | 8*5/8 | 6*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 140 | 5 1/2 | Concave | 5456140C10 | 5 1/2CC MX5456 BIT | 8*5/8 | 4*5/8 | 4*9/16 | 2 | 17 | 37.5 |
| 140 | 5 1/2 | Drop Centre | 5456140D10 | 5 1/2DC MX5456 BIT | 8*5/8 | 4*5/8 | 4 * 9/16 | 2 | 17 | 37.5 |
| 140 | 5 1/2 | Hard Formation | 5456140H10 | 5 1/2HF MX5456 BIT | 8*5/8 | 6*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 143 | 5 5/8 | Drop Centre | 5456143D10 | 5 5/8" MX5456 BIT | 8*5/8 | 4*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 143 | 5 5/8 | Hard Formation | 5456143H10 | 5 5/8" MX5456 BIT | 8*5/8 | 6*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 146 | 5 3/4 | Concave | 5456146C10 | 5 3/4CC MX5456 BIT | 8*5/8 | 4*5/8 | 4*9/16 | 2 | 17 | 37.5 |
| 146 | 5 3/4 | Drop Centre | 5456146D10 | 5 3/4 MX5456DC BIT | 8*5/8 | 4*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 146 | 5 3/4 | Hard Formation | 5456146H10 | 5 3/4HF MX5456 BIT | 8*5/8 | 6*5/8 | 4 * 1/2 | 2 | 17 | 37.5 |
| 152 | 6 | Hard Formation | 5456152H10 | 6 HF MX5456 BIT | 8*5/8 | 6*5/8 | 4 * 1/2 | 2 | 18 | 39.7 |
| 165 | 6 1/2 | Drop Centre | 5456165C01 | 6 1/2 MX5456 collaring bit | 8*5/8 | 4*9/16 | 4 * 1/2 | 2 | 18 | 39.7 |
| 190 | 7 1/2 | Drop Centre | 5456190C10 | 7 1/2 MX5456 collaring bit | 16*5/8 | 4*5/8 | 4 * 1/2 | 2 | 20 | 44.1 |
| 200 | 8 | Drop Centre | 5456200C10 | 8" MX5456 collaring bit | 16*5/8 | 4*5/8 | 4 * 1/2 | 2 | 20 | 44.1 |
MX5456 RC Hammers:
Usage
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