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What is Top Hammer Tools?

 

Top hammer drilling tools are used to drill holes into hard rock, ground, and other surfaces. They are often used in the mining, construction, and quarrying industries. The tools are named for the hammer that is positioned at the top of the drilling tool, which transmits a percussive force to the drill rods or tubes.

 

Why Choose Us

Company Profile

Henglong has become the industry's performance leader in tools that withstand the toughest rock drilling demands. Our commitment to this degree of quality starts with extensive research and development.

Main Products

Our high-performance products include TOP hammer drill bits, extension and tunneling rods, integral and tapered rods, shank adapters coupling, drag bits, blast tapping tools, self drilling anchor tools, coal mining tools and other drill tool accessories.

Company Honor

We pride ourselves on the ability to work with companies of all sizes, and in distinctly different industries and environments, we ensure that our worldwide clients have quick access to our service, manufacturing and marketing expertise.

Sales Network

Henglong now exports to over 45 countries, providing rock drilling tools for use in mining, construction, tunneling, water well, and quarrying projects around the globe.

 

Advantages of Top Hammer Tools

 

High drilling speed and efficiency
Top hammer drilling tools are known for their high drilling speed and efficiency. They can drill holes quickly and accurately, reducing the time and cost of drilling operations. The hammer's impact mechanism ensures that the tool penetrates the ground surface quickly, and the drill string's rotation helps to maintain a straight hole.

 

Suitable for hard rock drilling
Top hammer drilling tools are highly effective in drilling through hard rock formations. The hammer's impact mechanism delivers a high impact force, breaking the rock surface and allowing the tool to penetrate deeper. This makes them ideal for mining and construction operations that require hard rock drilling.

 

Low maintenance and downtime
Top hammer drilling tools are known for their durability and reliability. They require minimal maintenance, reducing downtime and increasing productivity. They are also designed with replaceable wear parts, which makes it easy to replace worn-out parts and extend the tool's lifespan.

 

Versatility
Top hammer drilling tools are versatile and can be used for a wide range of drilling applications. They can be used for drilling blast holes, anchor holes, and exploration drilling, among other applications. This versatility makes them a valuable tool in the mining and construction industry.

Top hammer drilling tools are a valuable tool in the mining and construction industry. They offer high drilling speed and efficiency, are suitable for hard rock drilling, require minimal maintenance and downtime, and are versatile.

 

Furukawa HD712-T45-790mm

 

How is The Top Hammer Drilling Made?

Top hammer drilling is a complex process that involves several steps. Firstly, a drill rig is set up at the drilling site, providing stability and support. The drill string, consisting of drill rods and a drill bit, is then connected to the rig. The drill bit is specifically designed for top hammer drilling, with a carbide button or chisel-shaped inserts for efficient rock penetration. As the rig operates, the drill string is rotated and pushed into the rock formation. Simultaneously, a hydraulic or pneumatic hammer strikes the top of the drill string, transferring impact energy to the drill bit. This percussive action breaks the rock, and the drill cuttings are flushed out using water or air. This process continues until the desired depth is reached, and the drill string is then retrieved. Top hammer drilling is a highly effective method for extracting valuable resources and constructing foundations in challenging geological conditions.

 

Top hammer drilling tools are essential equipment used in various industries for drilling purposes. These tools are primarily employed in mining, construction, and quarrying operations. They are specifically designed to penetrate hard rock formations efficiently and accurately. Top hammer drilling tools are commonly used for tasks such as drilling blast holes for explosives, creating anchor holes for support systems, and conducting exploration drilling. These tools utilize percussive action, where the drill bit strikes the rock surface at high frequency, enabling faster and deeper drilling. With their ability to handle tough drilling conditions, top hammer drilling tools play a crucial role in extracting resources, constructing foundations, and ensuring the success of various industrial projects.

 

How To Choose the Right Top Hammer Threaded Drill Bit?

 

Top hammer drilling is a popular method used in the mining and construction industries for drilling holes in hard rock surfaces. The success of this method depends heavily on selecting the right drill bit for the job. Top hammer threaded drill bits are an essential component of this drilling technique and are available in various sizes and designs.

 

Design
Top hammer threaded drill bits are available in different designs, including button bits, cross bits, and chisel bits. Each design is suited to a particular drilling application.

Button bits are the most common design and are ideal for drilling through hard and abrasive rock surfaces. Cross bits are suited for drilling through soft and medium-hard rock surfaces. Chisel bits, on the other hand, are used for drilling through hard rock surfaces and are ideal for drilling straight holes.

 

Size
The size of the top hammer threaded drill bit is an essential consideration when choosing the right bit for your project. The size of the bit should be matched to the size of the hole you need to drill. Using the wrong size bit can result in an inefficient drilling process and may damage the drill or the rock surface.

 

Face Design
The face design of the top hammer threaded drill bit is another crucial factor to consider. The face design refers to the shape and placement of the buttons or carbide inserts on the bit. Different face designs are suitable for different rock formations.

For instance, a conical button face design is suitable for hard and abrasive rock formations, while a flat button face design is ideal for soft rock formations. The spacing between the buttons or carbide inserts also affects the performance of the drill bit.

 

Shank Design
The shank design of the top hammer threaded drill bit is also essential. The shank connects the bit to the drill string, and its design can affect the performance of the drilling process. Different shank designs are available, including the standard round shank and the hexagonal shank. The shank design should be matched to the drill rig being used for the project.

 

Choosing the right top hammer threaded drill bit is crucial for the success of your drilling project. By considering the factors mentioned above, including the design, size, face design, and shank design, you can select the best drill bit for your project. With the right drill bit, you can achieve efficient drilling, save time and money, and ensure the safety of your project.

 

How Getting More Impact From Top Hammer Tooling?
 

 

To help optimize operational efficiency and protect investments, drill companies need to not only work with quality products to get the job done right, but also educate their drillers and mine management on good operating practices.

 

Once the right tools for the job have been determined, attention must be paid to their condition and performance. The nature of top hammer operations in extreme environments means that wear will quickly have an impact on how long various components can be used before replacement is required.


These tools represent a relatively small operational expense; however, incorrect use of the tooling can have a significant adverse impact to overall costs.

In regards to wear, bit condition will have the most immediate impact on drilling success. Drilling with worn bits not only decreases productivity but also escalates costs by reducing the life of the drill string components, the rock drill, and the rig components. Over time, direct contact with the rock and the extreme energy being applied to the tooling takes its toll on the bit and its buttons, making their condition deteriorate.

 

There are many factors that contribute to premature bit wear, whether it’s ground conditions, risky drilling practices like hole collaring, excessive feed pressures, or not maintaining equipment correctly. Premature bit failures are substantially reduced when over drilling is eliminated and correct sharpening practices are followed.
Here are a few things to consider to keep energy utilization optimized and to get the most out of top hammer tools.

 

Understand the ground conditions
If drilling through abrasive materials such as sandstone and quartzite the wear tends to be greater on the bit circumference. Drillers should consider bit replacement or restoring the gauge button-to-body gap to original (new) condition.

When drilling in non-abrasive materials, carbide wear is minimized and drilling intervals are possibly longer. This allows for continued chip removal around the bit and wears away the bit body quicker than the carbides also referred to as body wash.


Similar wear occurs in fractured and loose formations where constant hole cleaning and re-drilling of the materials is required for stabilizing the hole and to keep the hole open during retraction. To prevent button loss or shearing under these conditions, the protrusion should be reduced to the original height by scheduling grinding intervals.

 

Learn from your manufacturing representative
To use top hammer tooling effectively and get the most life out of tooling, it is recommended to work with a technical representative. A good technical rep will help establish specific guidelines for maximum suggested life of the bits.
To purchase the most advanced and reliable top hammer tooling, look for companies that have developed the tooling over decades of experience and continue to improve the products they offer.

 

Take some time to properly train crew
It is always important to care for and maintain tooling and equipment. Consider training and regularly reminding drillers on how to get the most life out of top hammer equipment. More often than not, drillers come to work to do their very best and everyone wants to improve. Share these tips and top hammer drilling productivity will increase.

 

Our Factory
 

Henglong is one of the world's leading manufacturers of top quality percussive rock drilling tools.Our high-performance products include TOP hammer drill bits, extension and tunneling rods,integral steel,tapered rods,shank adapters,coupling,blast tapping furnace tools,self drilling anchor tools,coal mining tools and other drill tool accessories.HENGLONG is a flexible company that puts all its efforts to developing first class rock drilling tools especially button bits.HENGLONG provides a wide range of tools to mining,construction,tunneling,quarrying,and water well projects from China to all of the world. 

 

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FAQ

Q: How does top hammer drilling work?

A: The working principle of the top hammer drilling system involves utilizing the compressed air pressure generated by the rock drill and the elastic force of the spring to transfer pressure through the drill rod. This pressure is then applied to the drill bit, propelling it to the rock surface.

Q: What are the parts of a top hammer drill?

A: The top hammer rock drilling tools include four parts: Drill bit, Drill rod, Shank Adapter, and Coupling Sleeve.

Q: What are the advantages of a hammer drill?

A: Advantages Of Hammer Drills
The drill's hammer action helps create holes quickly and efficiently, allowing you to get your project done faster than ever before. Another advantage of hammer drills is that they come with additional features which can further improve their performance.

Q: What is special about a hammer drill?

A: For this reason, a hammer drill drills much faster than a regular drill through concrete, brick, and thick lumber. In standardized drilling speed tests, the most effective hammer drills improve drilling speeds by upwards of 30% compared to completing the same task with the hammer mode disabled.

Q: Is a hammer drill a jackhammer?

A: No. A jackhammer is a tool that efficiently breaks up pavement on a considerable scale. It generally has more hitting force than a demolition hammer, which has more force than a combination rotary hammer. While you can drill through concrete using a hammer drill, you will have no luck chipping away at concrete.

Q: Why is it called a hammer drill?

A: Hammer drills have a cam-action or percussion hammering mechanism, in which two sets of toothed gears mechanically interact with each other to hammer while rotating the drill bit. With cam-action drills, the chuck has a mechanism whereby the entire chuck and bit move forward and backward on the axis of rotation.

Q: What is the top part of the drill called?

A: If by top you mean the end used for clamping in the chuck, it's called the “shank”.

Q: What is the top switch on a drill?

A: Check the speed settings on the drill -- the big switch on the top. Setting 1 is low speed and high torque, which is ideal for uses such as driving screws into the material. Setting 2 is high speed and low torque, which is good for drilling holes.

Q: Can I use a hammer drill as a regular drill?

A: Additionally, even with the hammer function turned off, most people don't use them as their regular drill/driver because they tend to be heavier and often require two hands to operate properly. SDS hammer drills, the most powerful of this type, can be used in hammer mode only, without any rotation.

Q: When should you not use a hammer drill?

A: If you are drilling into a delicate surface such as tile or glass, a hammer drill could easily crack or damage the surface. In these situations, it is better to use a regular drill along with a diamond-tipped drill bit that is specifically designed for these materials.

Q: Do you need a special bit for a hammer drill?

A: Yes, you need a special bit for your hammer drill, called an SDS (Slotted Drive System) bit. Standard drill bits are not compatible with a hammer drill's hammering action, which is needed to drill into hard materials like concrete and masonry.

We're professional top hammer tools manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized top hammer tools made in China here from our factory.

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