Rock Breaker 101
The Breakdown on Rock Breaking
Rock breakers are widely used tools used in the mining, construction, and landscaping industries. Rock breakers are a common alternative to explosive devices sometimes used to clear rock. Construction crews often prefer rock breakers as they provide more precision and less unpredictability than other methods. But, like most equipment, each has their own application where they perform better. Choosing the right tool for the job can be overwhelming, but not impossible. Here is everything you need to know about hydraulic rock breakers.
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What is a hydraulic rock breaker?
A hydraulic rock break is a type of percussion hammer that is used to break up and demolish hard, rock-like structures like concrete. The term hydraulic comes from the auxiliary hydraulic system which powers this mighty tool. Rock breakers come as an attachment fitted to an excavator. They are characterized by the narrow, pointed shape they hold for maximum precision. Depending on the application, they can vary in dimensions. Some are longer than others and the width is variable.
When are rock breakers used?
Rock breakers are often used in relatively large demolition projects where smaller, hand-held equipment like jack-hammers fall short. Generally, large slabs of concrete or other rock compounds are too dense for traditional tools. Because rock-breakers are operated from within an enclosed machine, they are helpful in situations where the environment may produce unsafe conditions. Flying rock pieces, dust, and other debris could potentially harm a hand-held equipment operator.
How do hydraulic rock breakers work?
Rock breakers function based on the principle of applied force. The machine applies pressure to a small piston in the rock. This large amount of pressure in a small area breaks generates force throughout the hard slab, breaking it relatively efficiently. The weight of the rock breaker head determines the magnitude of the applied force.
Why choose a rock breaker?
Rock breakers are a common choice over traditional rock blasters. They offer a variety of elements that are not often achieved through explosives.
- Safer environment.
As aforementioned, blasting is far more unpredictable than breaking. The blast of the explosives, though they can be semi-contained, is subject to rogue debris, often called flyrock. This can potentially harm a crew member or damage other machinery. Because rock breakers provide the enclosed safety of the excavator and their force is more concentrated, the risk of danger is far lower.
- Less vibration.
Unfortunately, very few construction sites are completely clear of residential areas. The vibrations that result from rock blasting methods can disrupt the surrounding homes and businesses of a job site. Particularly strong vibrations can even damage the structural integrity of the buildings and homes. Rock breakers produce fewer vibrations, reduce noise levels, and go relatively unnoticed by the residents of the region.
- More efficient.
When using explosive methods, the entire area needs to be clear of people and equipment before the blast. This can cause a lot of lulls in the project&#;s progress, making the entire process much slower. Because of the more precise nature of the hydraulic breaker, there are fewer production delays.
- Fewer emissions.
Environmental regulations, especially in the mining industry, are becoming more and more strict. Rock blasting produces the second-largest amount of gas emissions into the atmosphere, after haul trucks. Rock breakers are better for the environment and fall more in line with the ever-growing list of emission restrictions.
How do I choose a rock breaker?
There are many types of rock breakers, each designed for a specific use. The main differences from model to model are in the dimensions. They differ in weight and in size. While they are all built from the same steel material, the varying dimensions provide different amounts of force and pressure. The heavier the head of the rock breaker, the more power it has. It can break larger rock slabs more easily and efficiently. On the other hand, lighter heads produce less power. These are often used for breaking smaller rock pieces.
Choose Rasmussen
Rasmussen Equipment has been proudly serving the Utah area since . We are to aid you in any of your construction supply needs. From repairs to rentals to sales and to service, our dedicated team can help you find exactly what you&#;re looking for. Our collection of rock breaker heads is designed to have something for every project. We offer both the attachment and the paired excavator.
For more information, call us at 801-972-.
What is a Rock Breaker Machine and How Does It Work?
What is a Rock Breaker Machine and How Does It Work?
When construction jobs require rock or concrete demolition, the rock breaker machines are indispensable. Aptly named, as they are designed and built for the sole purpose of breaking rocks to manageable sizes which can then be moved safely and efficiently.
These powerful machines are a common sight on construction sites where substantial demolition work is required. In this blog post, we will explore all about the mighty rock breaker machines.
Understanding the Rock Breaker Machine
A rock breaker machine, also known as a hydraulic hammer, is a piece of construction machinery that is attached to excavators, backhoes, skid steers, and mini excavators. It consists of an arm which is the extension, and at the end of which is the hammer, which delivers repeated force to shatter rocks/ concrete into smaller and manageable pieces.
A typical rock breaker consists of two main parts: a hammer (used to crush the hard materials) and an arm to which the hammer is attached. The size and design of rock breakers can vary. Depending on the operational requirements, they can range from small, handheld devices to large, powerful machines mounted on construction vehicles.
Impact Rate:
Typically ranging from 500 to 1,500 blows per minute.
Tool Diameter:
Usually between 45 to 175 mm, tailored to the scale of work.
Carrier Weight:
Matching the excavator or backhoes weight, from 1 ton to over 50 tons, ensuring stability and efficiency.
Hydraulic Flow:
Required flow rates can vary from 20 to 150 liters per minute, aligning with the machinerys hydraulic capabilities.
The Operational Mechanics of how Rock Breakers Workx`
The operation of a rock breaker is relatively straightforward, and highly efficient. It employs a high-pressure hydraulic system, which supplies hydraulic fluid to the rock breaker&#;s cylinder. This fluid puts pressure on a piston, which, in turn, transfers the force to a tool shaft, usually a steel chisel. The repeated hammering action of the chisel into the rock or concrete breaks it apart.
Rock Breaker Machine Efficiency
Efficiency in rock breaking is achieved through the powerful, concentrated force that the rock breaker exerts on the material. Unlike traditional methods of rock breaking that require multiple workers and various construction tools, a rock breaker machine delivers swift and powerful blows, shattering rock and concrete efficiently and at a significantly lower cost. The efficiency parameters of a rock breaker include:
- Energy Output: Energy delivered per blow, directly affecting breakage capacity.
- Operational Weight: Balancing the machines heft with its output force to optimize energy transfer.
Applications of Rock Breakers in Construction
The versatility of rock breakers allows them to be used in various construction and demolition tasks. These include:
- Excavating foundations
- Trenching rocky ground
- Tunnelling through rock
- Demolishing concrete structures
- Secondary breaking in quarries
Maintenance of Rock Breaker Machines
Proper maintenance is crucial to ensure the longevity and effectiveness of a rock breaker. Routine inspections for wear and tear, regular greasing to maintain parts lubrication, and ensuring hydraulic systems are free from contaminants are all part of the upkeep for this robust construction equipment.
Conclusion
A rock breaker machine is an indispensable component of the construction industry&#;s machinery arsenal. It stands as a testament to the advancements in construction vehicles and equipment technology, providing a practical and cost-effective solution for rock and concrete removal. With proper maintenance and operation, rock breakers can greatly enhance productivity, ensuring that construction projects stay on track and within budget.
When you&#;re in the market to purchase a rock breaker, understanding its operation and care will help you make an informed decision, ensuring you have the right equipment for your construction needs.
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