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Maxdrill Down The Hole Hammer

Maxdrill Down The Hole Hammer
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Maxdrill Down The Hole Hammer

Product catalog summary
Overview
This document provides comprehensive technical specifications and data for various models of Down The Hole (DTH) hammers, categorized into models with and without foot valves, as well as big hole DTH hammers. It serves as a guide for selecting the appropriate hammer model based on specific drilling needs.
DTH Hammers with Foot Valve
  • Characteristics: These hammers feature valveless air distribution, a simple piston design, efficient energy transfer, and lower air and oil consumption. They are easy to maintain due to fewer internal parts.
  • Technical Specifications: Detailed specifications include length, weight, external diameter, bit shank, hole range, connection thread, working pressure, impact rate, recommended rotation speed, and air consumption.
  • Example Models: MD35, MD45, MSD4, MQL4, MD55, MSD5, MQL5, MD65, MSD6, MQL6, MD85, MSD8, MQL8, MSD10.
DTH Hammers without Foot Valve
This section likely mirrors the structure of the hammers with foot valves, focusing on models without a foot valve, designed for efficient cuttings discharge.
Big Hole DTH Hammers
This section details hammers designed for larger hole drilling, with specifications tailored for larger scale operations.
Technical Data Highlights
Each hammer model includes a comprehensive list of parts with weights and part numbers, along with detailed technical data such as length, weight, external diameter, bit shank specifications, hole range, connection thread types, working pressure, impact rate, recommended rotation speed, and air consumption.
Additional Features
Some models offer customizable features such as spanners, protection buttons, and the option to drill an air controlling hole on the check valve for more efficient cuttings discharge.
Conclusion
This document is a detailed guide for selecting DTH hammer models, providing necessary technical specifications and customization options.
Models Covered
  • MQL5A, MD65A, MM6A, MSD6A, MQL6A, MW7-A, MD85A, MSD8A, MQL8A, MQL95A, MSD10A, MN100A, MD1120A, MSD12A, and MN125A.
  • Each model is designed for specific hole ranges and connection threads, with varying lengths and weights.
Recommendations
  • An air controlling hole can be drilled on the check valve for more efficient cuttings discharge.
  • Detailed air consumption data is available in the appendix for precise operational planning.
Key Features
  • Optimized internal structure and air distribution for efficient energy transfer and reduced air consumption.
  • Specially designed anti-shedding device for drill bits.
  • Customizable top sub with options for spanners and protection buttons.
  • Check valve can be modified for improved cuttings discharge.
Models Detailed
  • MN125A: Length 1880mm, Weight 518kg, External Diameter 275mm, Hole Range 305-445mm.
  • MD330A: Length 3870mm, Weight 1050kg, External Diameter 330mm, Hole Range 350-660mm.
  • MD450A: Length 2195mm, Weight 1450kg, External Diameter 450mm, Hole Range 550-700mm.
  • MD525A: Length 2650mm, Weight 2895kg, External Diameter 525mm, Hole Range 610-800mm.
Additional Information
Detailed air consumption data is available in the appendix, and a comparison line chart of technical data is provided.
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Catalog excerpts

Maxdrill Down The Hole Hammer-1

industry Technology Down The Hole Hammer & Bit

 Open the catalog to page 1
Maxdrill Down The Hole Hammer-2

Down The Hole Hammer & Bit 01

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Maxdrill Down The Hole Hammer-3

The Characteristics Of High Air Pressure DTH Hammer -with foot valve It is a kind of valveless high air pressure DTH Hammer with foot valve It has the following characteristics:  Valveless air distribution. More reliable.  Simple design of the piston, long life.  More efficient energy transfer,faster drilling speed, lower air consumption and lower oil consumption.  Fewer internal parts, simple structure,longer life, Less failure and easier to maintain because all the parts are heat treated.  Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected...

 Open the catalog to page 3
Maxdrill Down The Hole Hammer-4

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description 10 "O" Ring of Stop Ring 0.01 Weight (Kg) Part Number Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 4
Maxdrill Down The Hole Hammer-5

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number Technical Date 10 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 5
Maxdrill Down The Hole Hammer-6

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 10 "O" Ring of Stop Ring 0.02 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 6
Maxdrill Down The Hole Hammer-7

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 11 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 7
Maxdrill Down The Hole Hammer-8

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 10 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 8
Maxdrill Down The Hole Hammer-9

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number Technical Date 10 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 9
Maxdrill Down The Hole Hammer-10

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 11 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 10
Maxdrill Down The Hole Hammer-11

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number Technical Date 11 "O" Ring of Stop Ring 0.02 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 11
Maxdrill Down The Hole Hammer-12

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 10 "O" Ring of Stop Ring 0.01 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 12
Maxdrill Down The Hole Hammer-13

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 11 "O" Ring of Stop Ring 0.02 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 13
Maxdrill Down The Hole Hammer-14

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 11 "O" Ring of Stop Ring 0.02 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 14
Maxdrill Down The Hole Hammer-15

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 11 "O" Ring of Stop Ring 0.05 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 15
Maxdrill Down The Hole Hammer-16

Industry Technology High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number 12 "O" Ring of Stop Ring 0.02 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 16
Maxdrill Down The Hole Hammer-17

High Air Pressure with foot valve DTH Hammers Item Description Weight (Kg) Part Number Technical Date 10 "O" Ring of Stop Ring 0.03 According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Detailed air consumption can be seen in appendix,P73

 Open the catalog to page 17

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