There are innumerable industries that use excavation. Construction, mining, agriculture, and oil and gas exploration are just a few of the major ones.

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Like most jobs, doing excavation well requires having the right tools. For instance, hydraulic hammers are used for breaking up hard materials. They are particularly useful when traditional excavation techniques do not suffice.

This article covers the basics of hydraulic hammers for mini-excavator projects. Keep reading to find out the many advantages they have to offer.

Hydraulic Hammer Basics

Hydraulic hammers are often called “hydraulic breakers” or “percussion hammers”. They are robust tools that can demolish stone, asphalt, concrete, and other hard materials.

Hydraulic hammers come in a variety of sizes. Many larger, more powerful ones require heavy-duty excavators. However, you can use smaller hydraulic hammers with mini-excavators.

Check Compatibility

First, you need to ensure that the size and weight of the hydraulic breaker are compatible with the mini-excavator. In general, the hammer should weigh no more than 10 percent of the excavator’s weight.

It is also vital to check the excavator capacity for hydraulic pressure and flow. It needs to be able to meet the demands of the hydraulic hammer.

Advantages of Using Hydraulic Hammers for Mini-Excavator Projects

There are many advantages of using hydraulic hammers with mini-excavators. Here are the main ones to consider.

Compact Size

One of the biggest benefits of using a hydraulic breaker with a mini-excavator is its compact size. This can be ideal for job sites that do not support larger machines, including in urban areas or other confined environments.

They also offer better maneuverability on a work site. It could mean being able to reach and break up hard materials in tight spaces that you otherwise may not be able to access.

It is easy to see how all this can translate into greater efficiency. It also means not having to use manual labor to complete the job.

Increased Precision

Imagine trying to remove brick mortar with a jackhammer rather than a chisel. It will do the trick but is likely to damage the surrounding bricks.

Similarly, smaller hydraulic hammers can offer a level of precision not achievable by larger breakers. This can allow you to tackle jobs that require a higher level of exactness or care while avoiding collateral damage.

Ease of Use

Unlike larger, more cumbersome breakers, smaller hydraulic hammers attach easily to mini-excavators. This can be particularly useful on sites where you are often switching attachments, and can lead to greater efficiency when shifting between jobs.

Power

Smaller does not mean weaker. In fact, hydraulic hammers for mini-excavators can pack a lot of power, especially relative to their size. You can find breakers that fit smaller excavators that produce as much as 1,500 foot-pounds of torque.

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Find Quality Hydraulic Hammers Near You

Now that you have some basic information on hydraulic hammers for mini-excavator equipment, you can determine if it is the right tool for your project. An experienced retailer can help you find the right hydraulic hammer size for your project or industry.

Also see  . Our   may help you as well. You can find specifications of virtually all hydraulic breakers (hammers) makes by using our  .

Sizing Hydraulic Breaker (Hammer)

The breaker must be sized properly for both the work it will do and the carrier on which it will be mounted.

Sizing breaker (hammer) based on type of work

This is the most critical factor in choosing the breaker size.

SMALL HYDRAULIC BREAKERS (HAMMERS): up to -ft.lbs. ( Joules), are typically used in concrete and other light duty work.

MEDIUM HYDRAULIC BREAKERS (HAMMERS):  – -ft.lbs. ( – Joules) are used in both concrete and rock applications with limitations on the size and amount of material to be broken.

LARGE HYDRAULIC BREAKERS (HAMMERS): over ft. lbs. ( Joules), are typically used in rock and large scale concrete demolition projects.

BREAKING OVERSIZE MATERIAL: When breaking oversize material the breaker is expected to break the material down the middle into two pieces. This is optimum production. If the operator has to re-position the breaker towards the edge of the rock and gradually downsize the material, production rate slows down. To assess what size of breaker will effectively handle this application, the size and hardness of the material must be known. If a 4 cubic yard piece of hard rock (20,000 psi or greater) needs to be broken in half you will require a 7,500-ft. lb. or larger breaker. If a 2 cubic yard piece of limestone (20,000 psi or less) needs to be broken in half you will require a 3,000 – 5,000-ft. lb. breaker.

TRENCHING: When trenching, the breaker is expected to fracture a solid mass of rock into manageable pieces. The size of the material could be 100’s of cu.yds, and the energy will be quickly absorbed. This is why it is recommended to work from a bench so the rock has somewhere to break out. We recommend when trenching in limestone or medium hard rock, to use a 3,000 – 5,000-ft. lb. breaker. When working in hard material we recommend a 7,500 – 10,000-ft.lb. breaker, and if high production is critical, a 13,500-ft.lb. breaker would be beneficial.

BREAKING CONCRETE: When breaking Concrete, the breaker is expected to penetrate the material, allowing it to crack and shake loose from the reinforcing steel. High frequency breakers tend to provide better performance in this application as it is not the energy per blow, but the fast blow rate that destroys the concrete’s structural integrity. We recommend on concrete walls, footings, and floors to use a 750 – 1,500-ft. lb. breaker. With larger projects, consisting of large footings greater then 4 cubic yards, use a 2,000 – 5,000-ft. lb. breaker. The high production demand of bridge and building demolition requires a 7,500 – 10,000-ft. lb. breaker.

Please refer to the   provided on our site.

Sizing breaker (hammer) based on the carrier size

After considering the application work, determine the carrier on which the breaker will be installed. Gorilla Hammers has assigned a ‘Recommended Carrier Weight’ range to each breaker. If the operating weight of the carrier falls within this range, the carrier will safely handle this model of breaker. If the desired breaker falls outside of this recommended carrier weight range, the carriers lifting capacity and oil flow will need to be verified to ensure a proper fit.

Lifting Capacity: Provided the weight of the breaker does not exceed the maximum lifting capacity at any position, the carrier is assumed to be stable. On most loader backhoes and excavators, the maximum lifting capacity is lowest when the boom is at full reach. This is the value that must be compared to the operating weight of the breaker.

Oil Flow and Operating Pressure: A required oil flow range is specified for each breaker. Oil flow to the breaker within this range is adequate for operation. However, for maximum productivity the carrier should be capable of providing the maximum required flow. Compare the maximum oil flow requirement of the breaker with the oil flow capacity of the carrier. Remember the breaker operates at --psi. therefore, oil flow should be evaluated at operating pressure.

Please refer to the following charts, Sizing the Breaker which outlines the recommended carrier weight range.

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